2022 Free & Valid JNCIA-Junos JN0-104 Questions and Answers Online

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Junos, Associate (JNCIA-Junos) JN0-104 Exam verifies your understanding of the core functionality of the Juniper Networks Junos OS. FreeTestShare provides a free JN0-104 practice exam with real exam questions and answers to assist you to understand the exam topics and format. JN0-104 test dump contains actual questions and answers that have been verified and updated to ensure accuracy. Our JN0-104 questions and answers are up to date and feature actual test, allowing you to pass your exam quickly.

Now is a great time to take a free JN0-104 practice test to see how well you know yourself!

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1. You are connected to your Junos device using an SSH connection to the txp0 interface. No other interfaces are currently configured and unreachable from your management network .

How would you reestablish communication with the device?

Establish a SSH connection to the loopback interface

Unplug the network cable and plug it back in

Power off and power on the device

Connect to the console of the device

2. Which three statements are true about dynamic routing protocols? (Choose three.)

They are scalable.

They are Dijkstra based.

They share network layer reachability information among neighbors.

They automate next-hop decisions.

They are tolerant of configuration errors.

3. Which parameter of the monitor traffic command should be used with caution when considering storage space on a Junos device?

write-file

layer2-headers

extensive

detail

4. Which three steps are part of the root password recovery process?

Reboot the device.

Run the recovery script.

Reset the root password.

Reset the user passwords.

Load factory-default configuration.

5. When troubleshooting ATM, which command would allow you to test reachability from one side of an ATM cloud to the other?

ping atm vci 0.100 interface at-0/1/0 end-to-end

ping atm vci 0.100 interface at-0/1/0 circuit

ping atm vci 0.100 interface at-0/1/0 far-end

ping atm vci 0.100 interface at-0/1/0 final-hop

6. In the command set policy-options policy-statement policy ABC term A from route-filter 192.169.1.0/24 longer, which two other parameters could replace longer”?

Choose two.

andlonger

shorter

exact

orlonger

7. Referring to the Exhibit,

What information is provided about the route to 192.168.47.0/24? Choose Two

There is a single active route to 192.168.47.0/24

There are two next-hops available to 192.168.47.0/24

There is a single next-hop available to 192.168.47.0/24

There are two active route to 192.168.47.0/24

8. Which command will display the available space on storage media?

show system file-storage

show system storage

show chassis routing-engine

show files

9. Which two commands is used to validate the syntax of a configuration without applying the configuration?

commit confirmed

commit synchronize

commit check

commit and-quit

10. Which of these correctly describes the PFE?

The PFE performs policing, firewall filtering and class of service.

The PFE sends traffic to RE for forwarding.

The PFE receives hardware and environmental status messages from R

The PFE controls the R

Page 2 of 19

11. Which of these configuration steps are needed to create and apply an export policy that advertises static routes to RIP neighbours? (Choose two)

edit policy-options policy-statement DEMO set term 1 from protocol static accept

user@host# show protocols rip group INTERNAL export ExportStatic;

user@host# show policy-options policy-statement ExportStatic { term exportstatic1 { from protocol static; then accept; } }

set protocols rip export DEMO

12. A packet enters a Junos device. No matching destination entry exists in the forwarding table.

How will the device respond?

The PFE responds to the source with a destination unreachable notification message.

The PFE responds to the destination with a source unreachable notification message.

The RE responds to the source with a destination unreachable notification message.

The RE responds to the destination with a source unreachable notification message.

13. 100.100.1/32;

}

}

then {

forwarding-class expedited-forwarding;

accept;

}

}

term ALL-OTHER-TRAFFIC {

then accept;

}

[edit interfaces ge-0/0/1]

user@router# show

unit 0 {

family inet {

filter {

input COS-CLASSIFIER;

}

address 192.168.200.1/24;

}

}

- Exhibit -

behavior aggregate

policer

multifield

forwarding policy

14. Which of the following is a component of the Packet Forwarding Engine?

the Junos software

a forwarding table

the routing protocol process (daemon)

the configuration

15. You have configured a firewall filter with a single term matching on packets with a source address in the 10.0.0.0/24 subnet. This term only includes the count action.

Which two statements are true about traffic evaluated by this firewall filter?

Packets within the 10.0.0.0/24 subnet will be accepted.

Packets within the 10.0.0.0/24 subnet will be rejected.

Packets within the 10.0.0.0/24 subnet will be counted.

Packets within the 10.0.0.0/24 subnet will not be counted.

16. Which Junos mode should you use to view the status of interfaces on a router?

monitoring

private configuration

operational

configuration

17. How many usable hosts per subnet can you create using a 28-bit subnet mask to segment the network block - 108.12.5.0?

10 hosts

12 hosts

14 hosts

16 hosts

18. You notice that the terms in your firewall filter are not in the correct order.

What would solve this problem?

Use the next term action to force an evaluation of the next term

Use the insert command to reorder the terms within the filter

Use the count parameter to ensure that the terms are evaluated correctly

Use the reject action to change the action of the filter

19. Which two statements are correct about the inet.0 routing table? (choose two)

It is used for populating the Ethernet switching table

Is stores information learned from routing protocols and other sources

It is used for populating the forwarding table

It is used for populating the forwarding policy

20. What are two valid initial configuration methods supported on Junos devices? (Choose two)

CLI

J-Web

Junoscope

PCMCIA flash card

Page 3 of 19

21. Which of these must be configured prior to the first commit after factory defaults are loaded?

hostname

default gateway

management services

root authentication

22. Which of these are valid match criteria for a routing policy? (Choose two)

prefix list

port

time-to-live (TTL)

OSPF area ID

23. What is the default firewall filter behavior when a term is matched but no terminating action is specified?

an implicit deny and the filter evaluation terminates

an implicit accept and the filter evaluation terminates

an implicit accept and the filter evaluation continues to the next term

an implicit deny and the filter evaluation continues to the next term

24. What are three firewall filter terminating actions? (Choose three.)

discard

reject

log

drop

25. Which of these is an advantage of dynamic routing?

Dynamic routing requires no initial configuration.

Compared to static routing, dynamic routing is more scalable.

Dynamic routing provides redundant IP addresses for end-user devices.

Dynamic routing provides DNS services along with IP connectivity, while static routing does not.

26. Which of these transfer methods can be used to archive the configuration of a Junos device? (Choose two)

SFTP

SCP

TFTP

FTP

27. Which of these about firewall filters is true? (Choose two)

Firewall filters are used to control routing information being exchanged between devices.

Firewall filters are stateless.

Firewall filters can only be applied to traffic entering the device.

Firewall filters are used to control traffic passing through the device.

28. What information does the help topic command provide?

a brief description of commands and their default values

usage guidelines for a topic or configuration statement

router's version and serial number to help open a case with JTAC

a verification of the current configuration on the router

29. 168.0.0/12 *[Static/5] 2w4d 12:54:27

> to 192.168.167.254 via fxp0.0

The route is a direct route.

The route was learned using a dynamic routing protocol.

The route is both the active and the last active route.

The route is a default route.

30. What does the output of the show route forwarding-table command display?

The routing protocol databases in the Routing Engine.

The inactive entries in the Routing Engine's routing table.

The Routing Engine's forwarding table.

The Packet Forwarding Engine routing table.

Page 4 of 19

31. Which two keystrokes will auto-complete a command? (Choose two.)

Esc

Spacebar

End

Tab

32. Which two firewall filter actions will affect a packet's class-of-service setting? (Choose two.)

scheduler

queue

forwarding-class

loss-priority

33. Which three link-specific fields must match between OSPF neighbors before they form an adjacency over a broadcast medium? (Choose three.)

dead interval

options

neighbor

route priority

hello interval

34. Which of these protocol daemons is responsible for routing protocols?

dcd

syslogd

rpd

chassisd

35. What statement is true about the orlonger route-filter match type?

All routes within the specified prefix that are longer than the given prefix are considered a match

All routes within the specified prefix that are longer or equal to the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer than the given prefix up to a defined acceptable prefix length are considered a match

All routes within the specified prefix that are longer or equal to the given prefix are considered a match

36. Which command displays all IPv4 routes in the default routing instance?

show route table inet.1

show route table inet.0

show route table inet6.0

show route table inet.2

37. You issue the ping interface t3-2/2/0 10.0.2.1 bypass-routing count 1000 rapid command.

Which statement is correct?

The rapid parameter does nothing because a count is specified.

The rapid parameter will send out 1000 ping echo replies.

The rapid parameter will send out subsequent echo requests before receiving a reply.

The rapid parameter will allow the ping results to be reported in a single message for each ping request.

38. Which command do you use to create a routing policy that accepts all routes?

Set policy-options policy-statement policyABC term match-all then accept

Set routing-options policy-statement policyABC term match-all then accept

Set routing-options policy-statement policyABC term match-all from all then accept

Set policy-options policy-statement policyABC term match-all from all then accept a

39. Which of these route filter match type will match only prefixes greater than the defined prefix?

longer

upto

exact

orlonger

40. Which of these commands are used to view operational information of the device?

show commands

put commands

set commands

get commands

Page 5 of 19

41. Click the Exhibit button.

Referring to the exhibit, what happens to a packet that has a destination address of 172.17.0.1?

The packet is forwarded to the next hop defined in the default route.

The packet is silently discarded.

The packet is rejected and an ICMP network unreachable message is sent to the source address.

The packet is forwarded to the next hop of the management network.

42. Which statement is correct about the validate option when upgrading JUNOS software with the request system software add command?

It will check the compatibility of the configuration with the install package.

It will check if the device meets the storage requirement for the install package.

It will check the MD5 checksum of the install package.

It will check if the device meets the memory requirements for the install package.

43. You are in configuration mode at the top of the hierarchy.

How would you save your configuration to a file on the router?

save configuration <filename>

save config <filename>

save <filename>

save run <filename>

44. Which of these is incorrect?

A route filter can be used in multiple terms in a single policy or in different policies.

A prefix list is a list of prefixes.

A route filter is a list of prefixes.

A prefix list can be used in multiple terms in a single policy or in different policies.

45. Which two statements are true about the root bridge election process? (Choose two.)

The highest root bridge identifier is preferred over lower root bridge identifiers.

The lowest root bridge priority is preferred over higher root bridge priorities.

The lowest root bridge identifier is preferred over higher root bridge identifiers.

The higher root bridge priority is preferred over lower root bridge priorities.

46. Which of these commands can be used to investigate problems regarding temperature? (Choose two)

show chassis environment

show chassis hardware

show chassis pic

show chassis temperature-thresholds

47. Which type of routes are held in inet.0?

multicast and unicast IPv4 routes

ARP tables and MAC reachability

IPv4 unicast routes

IPv6 and IPv4 routes

48. What are two benefits realized by the disaggregated Junos? (Choose two.)

The platform drivers and forwarding engineer are removed from the control plane to increase performance.

The architecture facilitates programmability through provisioning the control plane, the data path, and the platform API's.

The Junos VM becomes hardware-independent and can be deployed on any hypervisor without modification.

There is increased flexibility to use different control plane versions.

49. Which two statements describe the default routing policy for BGP? (Choose two.)

Advertise only locally originated routes.

Accept all BGP routes and import into inet.0.

Advertise all active BGP routes.

Advertise only EBGP routes.

50. What are two default routing policies on Junos devices?

The BGP import policy accepts all BGP routes.

The BGP export policy rejects all active BGP routes.

The OSPF import policy accepts all OSPF routes.

The OSPF export policy accepts all active OSPF routes.

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51. Which of these is true about Junos OS?

All platforms running the Junos OS use the same source code base.

All platforms running the Junos OS use the same PF

All platforms running the Junos OS use a separate process with protected memory space for each routing protocol.

All platforms running the Junos OS use a hard drive to optimize syslog data storage.

52. What does it mean by ge-0/1/2?

FPC 0, Slot 1, Port 2

Port 0, FPC 1, Slot 2

Slot 0, Port 1, FPC 2

53. Which device or function is typically used to break up individual broadcast domains?

bridge

router

switch

hub

54. Which of these commands can be used to discard changes made to candidate configuration? (Choose two)

delete 0

rollback 0

delete

rollback

55. Your Junos device has a routing policy with three terms. The first term of the policy does not contain a terminating action.

What happens to the routes after they have been evaluated by the first term?

In the absence of a terminating action, all routes are accepted.

The routes are evaluated by the second term in the policy.

The default action is applied to the routes.

In the absence of a termination action, all routes are rejected.

56. Which of these are examples of dynamic IGP's? (Choose three)

OSPF

PIM

BGP

IS-IS

RIP

57. Which class of IP's does 11.1.1.102 belong to?

Class E

Class B

Class C

Class D

Class A

58. Which of these are true about subnet masks? (Choose two)

A subnet mask specifies the portion of an IP address that represents a network prefix.

A subnet mask specifies the portion of an IP address that is in a binary format.

A subnet mask specifies the portion of an IP address that represents network hosts.

A subnet mask specifies the portion of an IP address that is in a decimal format.

59. Choose the advantages that dynamic routing protocols offer over static routing protocols. (Choose three)

easier to implement qualified next hops

easier ECMP route implementation

increased network availability

lower administrative overhead

greater network scalability

60. Which statement is true about route preference?

A lower preference is better than a higher preference.

A higher preference is better than a lower preference.

It must be assigned manually for each protocol.

It is the same as a route metric.

Page 7 of 19

61. Which command do you use to navigate to [edit interfaces]?

cd interfaces

dir edit interfaces

edit interfaces

interfaces

62. What is the interface name for the third SONET interface on a PIC installed in PIC slot 1, FPC slot 1?

interface sonet-1/1/3

interface so-1/1/2

interface so-3/1/1

interface so-0/1/1.2

63. You want to configure the same NTP server on ten different Junos routers that have never had an NTP server configured without altering any other configuration.

Which command will accomplish this configuration?

[edit]user@router# set ntp server 172.17.42.42

[edit]user@router# load patch terminal

[edit system]user@router# load merge terminal

[edit]user@router# load override terminal

64. When multiple users are editing the configuration on a Junos device, what is the default behavior when a user issues a commit command?

All valid configuration changes made by all users will take effect

The user's configuration changes are committed; other users' configuration changes are still pending

The user will receive an error message disallowing a commit of the configuration

The user's configuration changes are committed; other users will be exited from configuration mode

65. What is responsible for processing multicast transit traffic?

Control plane

Management plane

PFE

66. What is the binary equivalent of 192.168.187.201?

10101000 11001000 10101001 10101001

11000000 10101100 10101011 11000101

11000000 10101000 10111011 11001001

11000100 10101010 10110011 11001011

67. You must segment your internal 192.168.1.0/24 network into a minimum of 12 subnets, each containing a minimum of 12 hosts.

Which network mask do you use?

/26

/27

/28

/29

68. Which of these authentication methods are NOT supported by Junos? (Choose two)

RADIUS

local user database

CHAP

TACACS+

PAP

69. What is considered a logical interface property on a Junos device?

MAC address

duplex setting

protocol family

clocking

70. Which two statements describe the connection between control plane and forwarding plane? (Choose two.)

No rate limiter is configured by default.

A rate limiter is configured by default.

Exception traffic is preferred over the control traffic during congestion.

Control traffic is preferred over the exception traffic during congestion.

Page 8 of 19

71. What are the two examples of exception traffic? (Choose two)

SCP traffic that is destined for the router`s loopback interface.

SFTP traffic that enters and exits the same interface on the local routers.

SFTP traffic that enters one interface and is destined for a local physical interface

SCP traffic that enters one interface and exits another interface on the local router

72. Which statement is true regarding static routes?

Static routes are capable of resolving next hops that are not directly connected without any special configuration.

Static routes are capable of resolving next hops that are not directly connected, but they require that resolve be configured.

Static routes are capable of resolving next hops that are not directly connected only if the next hop was learned by a dynamic routing protocol.

Static routes are not capable of resolving next hops that are not directly connected.

73. On which operating system is the Junos OS based?

ScreenOS

Solaris

FreeBSD

HP-UX

74. What is the default SNMP permission level on Junos devices?

write

read-write

read-only

read

75. Which operational command is used to show active alarms on a Junos device?

file list alarm

show chassis alarms

show chassis state

show hardware alarms

76. Which routing table is used for all IPv4 unicast forwarding?

inet.0

inet4.0

ipv4.0

forwarding.0

77. What are three interface prefixes for a 40-gigabit interface? (Choose three.)

fte

xle

78. What is minimum configuration required for a Junos device to respond to SNMP requests?

set snmp community public authorization read only

set snmp public version v2

set snmp community public

set snmp trap-group public version v1

79. Your firewall filters are not in the correct order, what would solve this problem?

Use the commit parameter to ensure that terms are evaluated correctly

Use the next-term action to force an evaluation of the next-term

Use the filter command to reorder the terms with the filter

Use the reject action to change the action of the filter

80. Which J-Web tab contains the ping and traceroute utilities?

"maintain"

"Configure"

''Troubleshoot"

"monitor'’

Page 9 of 19

81. What represents the decimal equivalence of 11100101?

177

229

82. Referring to the exhibit, which action would synchronize the local router's clock with the NTP server?

Issue the set date ntp operational command

Configure the correct NTP trusted key using the set trusted-key <key-value> configuration command under the [edit system ntp] hierarchy

Configure the NTP server using the set boot-server 172.25.11.254 configuration command under the [edit system ntp] hierarchy

Reboot the router

83. You configured the route filter shown in the exhibit.

In this scenario, which IP addresses would term-One accept?

IP addresses that are part of the 172.35.0.0/16 network only.

IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in the 172.35.0.0/16 and 172.36.0.0/16 subnets.

IP addresses that are in a subnet of 172.35.0.0/16 network, but not IP addresses that are part of the 172.35.0.0/16 network itself.

IP addresses that are part of the 172.35.0.0/16 network and IP addresses that are in subnets of 172.35.0.0/16 network.

84. Click the Exhibit button.

***Exhibit is Missing***

Referring to the exhibit, how many received packets are classified as exception traffic?

20814681

14442602

12417

27824

85. Which of these represents the simplified version of 2001:0000:3238:DFE1:0063:0000:0000:FEFB?

2:1:0:3238:DFE1:63::FEFB

2001::3238:DFE1:63::FEFB

2001:0:3238:DFE1:63::FEFB

86. You are asked to change the cable on interface fe-4/2/3.

Which statement is correct?

The cable is found on port 4, FPC 2, and slot 3.

The cable is found on slot 2, port 3, and FPC 4.

The cable is found on FPC 4, slot 3, and port 2.

The cable is found on slot 2, FPC 3, and port 4.

87. xe-0/0/0 up down

The interface is up but has been administratively turned off.

The interface is administratively up but the link status is down.

Layer 1 on the interface is up but Layer 2 is down.

Layer 2 on the interface is up but Layer 3 has not been configured.

88. You must configure the 2bfc:0000:0000:beet.0217:cbff:0000:5c85 IPv6 address on your device.

In this scenario, which three addresses are correct? (Choose three.)

2bfc::beef:217:cbff:0:5c85

2bfc:0:0:beef:0217:cbff:0:5c85

2BFC::BEEF:0217CBFF:0:5C85

2bfc:0:beef:0217:cbff:0:5c85

2BFC::BEEF:217:CBFF::5C85

89. Which of these commands shows ONLY interfaces that are administratively and operationally up?

show interfaces terse | except up

show interfaces terse | except down

show interfaces terse | match up

show interfaces terse | match down

90. Which of these protocols use UDP as a transport protocol by default? (Choose two)

SNMP

SMTP

NTP

HTTP

Page 10 of 19

91. Referring to the exhibit,

what happens when ping packets are sent to management interface address of the local router?

The ping packets are silently discarded

An ICMP unreachable message is returned

The Ping packets are accepted

An ICMP redirect message is returned

92. Which command configures an address of 192.168.1.1 with a mask of 255.255.255.0 on interface ge-0/0/0?

set ip interface ge-0/0/0 address 192.168.1.1 255.255.255.0

set ip interface ge-0/0/0 address 192.168.1.1/24

set interface ge-0/0/0 ip4 address 192.168.1.1 mask 255.255.255.0

set interfaces ge-0/0/0 unit 0 family inet address 192.168.1.1/24

93. When a local loopback is activated on a PPP serial link, which of the following indicates that the local interface is good?

A ping to the local address succeeds.

A ping to the remote address succeeds.

A ping to the remote address received a 'TTL expired' message.

The interface shows a flag indicating that a loop is detected.

94. Which two statements are correct about the request system zeroize local command? (Choose two.)

The command preserves the management interface addresses.

The command resets all key values.

The command removes all data files.

The command removes all user-created files from the system.

95. By default, under which directory is syslog information stored?

/var/tmp

/var/syslog

/var/log

/var/messages

96. What is the command to enable the 802.1Q protocol on interface ge-0/0/2?

[edit interfaces ge-0/0/2 unit I00]user@router# set vlan-tagging

[edit interfaces ge-0/0/2]user@router# set vlan-tagging

[edit interfaces ge-0/0/2 unit I00]user@router# set family vlan-tagging

[edit interfaces ge-0/0/2 unit I00]user@router# set dotlq

97. Which command will display only direct routes?

show route

show route protocol direct

show ip route direct

show route inet.0 direct

98. To be considered synchronized, what is the maximum time difference allowed between an NTP server and a client?

30 seconds

60 seconds

64 milliseconds

128 milliseconds

99. What is the initial prompt displayed when logging in as the root user?

root@router>

root@router%

root@router#

root@router*

100. Which of these about route preference is true? (Choose two)

Lower preference values are preferred over higher preference values.

By default, static routes are preferred over RIP routes.

Static routes are always preferred over direct routes.

Default preference values for all routing information sources can be modified.

Page 11 of 19

101. You want to filter the syslog file named “test” for only the entries that contain either “kernel” or “panic”.

Which command do you use?

show log test | find kernel | find panic

show log test | find “kernel | panic”

show log test | match kernel | match panic

show log test | match “kernel | panic”

102. What is the decimal equivalent of 10101100 00011111 11001001 11000101?

172.28.187.189

172.31.201.197

172.30.231.182

172.19.151.107

103. Which of these commands can be used to run a ping? (Choose two)

user@router> run ping 192.168.1.1

user@router# ping 192.168.1.1

user@router> ping 192.168.1.1

user@router# run ping 192.168.1.1

104. Which three statements are true about the PFE? (Choose three.)

The PFE uses Layer 2 and Layer 3 forwarding tables to forward traffic toward its destination.

The PFE handles all processes that control the chassis components.

The PFE is responsible for performing protocol updates and system management.

The PFE implements various services such as policing, stateless firewall filtering, and class of service.

The PFE is the central processing component of the forwarding plane.

105. What are two logical interface properties? (Choose two.)

duplex

IP address

DLCI

speed

106. Choose the acceptable modifiers to a terminating action of a firewall filter? (Choose four)

Discard

Count

Syslog

Policer

Log

107. Which of these commands can be used to configure an IP address on an interface? (Choose two)

set interfaces ge-0/0/0 unit 0 family inet address 192.168.1.1/24

set interfaces ge-0/0/0.0 address 192.168.1.1/24

set interfaces ge-0/0/0 address 192.168.1.1/24

set interfaces ge-0/0/0.0 family inet address 192.168.1.1/24

108. Which command can be used to verify active alarms on the interfaces?

show interfaces terse

show interfaces alarms

show interfaces extensive

show alarms extensive

109. You have configured an SRX Series device for the first time. When you commit your configuration, the Junos OS notifies you that you cannot yet commit your configuration.

Which configuration step must you complete?

date/time

root authentication

security policies

hostname

110. Which two fields are found in an Ethernet frame? (Choose two.)

Version

TTL

Checksum

Data

Page 12 of 19

111. Which command displays the current temperature of a Junos device's components?

show chassis temperature-thresholds

show chassis environment

show chassis hardware

show chassis alarms

112. Which operational command is used to retrieve the serial numbers of components installed in a Junos device?

show version

show chassis hardware

show hardware detail

view hardware database

113. Which statement is true?

The forwarding plane is responsible for Layer 2 only; it does not look at IP addresses.

The Routing Engine performs a longest match lookup for the destination address on each packet traversing the router.

The forwarding plane maintains the complete routing table, including inactive routes.

The forwarding plane performs a longest match lookup for the destination address on each packet traversing the router.

114. Which two statements are true about login classes in the Junos OS? (Choose two.)

A different login class must be configured for each user.

Individual commands can be explicitly allowed or denied.

A user must be assigned to one of the default login classes.

Each login class is associated with one or more permissions flags.

115. Your junos device is using the configuration shown in the exhibit, you notice that the 172.17.23.10/30 address is incorrect and should be 172.17.23.9/30.

What are two commands that would solve the problem?

[edit interfaces] user@router# delete ge-0/0/2.0 family inet address 172.17.23.10

[edit interfaces] user@router# rename ge-0/0/2.0 family inet address 172.17.23.10/30 to address 172.17.23.9/30

[edit interfaces] user@router# replace pattern 172.17.23.10 with 172.17.23.9

[edit interfaces] user@router# set ge-0/0/2.0 family inet address 172.17.23.9

116. Why is unicast reverse path forwarding used?

to forward packets out the interfaces where the traffic should be sent

to validate packet receipt on interfaces where the traffic should be sent

to validate packet receipt on interfaces where the traffic should be received

to forward packets out the interfaces where the traffic should be received

117. Which of these routing information sources is preferred by default?

IS-IS level 2

OSPF internal

IS-IS level 1

OSPF external

118. Which two statements are true regarding trace options on Junos devices?

You can see the contents of the log file by entering the show log <filename> command.

Trace options will send information to your screen automatically.

Trace options are limited to one protocol at a time.

The file name and a set of flags may be specified when enabling traceoptions.

119. You are asked to configure your Junos device to automatically archive your configuration upon commit.

Which two methods are supported by the Junos OS? (Choose two.)

SCP

RCP

FTP

HTTP

120. An administrator is unable to ping any address on the 10.0.19.0/24 subnet.

To identify the problem, the administrator uses the command shown in the exhibit.

user@router# run show interfaces terse

Interface Admin Link Proto Local

fe-0/0/0 up up

fe-0/0/0.0 up upinet 10.0.39.2/24

iso

mpls

fe-0/0/1 up up

fe-0/0/1.0 up upinet 10.0.18.2/24

fe-0/0/1.5 down up inet 10.0.19.2/24

Which step should be taken to solve the problem?

Check the physical cable.

Issue the command activate interfaces fe-0/0/1.5.

Issue the command delete interfaces fe-0/0/1.5 disable.

Reconfigure the IP address.

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121. Exhibit:

what information is provided about the route to 192.168.47.0/24? (Choose two.)

There are two active routes to 192.168.47.0/24.

There is a single active route to 192.168.47.0/24.

There are two next hops available to 192.168.47.0/24.

There is a single next hop available to 192.168.47.0/24.

122. Which two commands are used during the password recovery process?

clear system login

boot -s

recovery

delete system root-authentication

123. Which statement is correct regarding exception traffic on Junos devices?

The Junos OS does not provide congestion control for exception traffic sent to the R

The built-in rate limiter for exception traffic is configurable.

All exception traffic destined for the RE is sent over the out-of-band management link.

The Junos OS has a built-in rate limiter for exception traffic.

124. During a password recovery, what is the next step after configuring the system to boot into single-user mode?

Type recovery.

Press the space bar.

Press the "Enter" Key.

Reset the password.

125. What are three benefits of using IPv6?

IPv6 supports a greater level of security by integrating features that were optional add-ons in IPv4.

IPv6 reduces administrative overhead using stateless address autoconfiguration for hosts.

IPv6 eliminates the need for private to public NAT using a large address pool.

IPv6 provides backward compatibility with IPv4 using the Next Header field.

IPv6 represents large IP addresses using dotted decimal notation.

126. Which command correctly sets a Junos device’s date and time?

user@host# set date 199708290900.00

user@host# set system time 199708290900.00

user@host> set date 199708290900.00

user@host> set system time 199708290900.00

127. Which of these is true about configuring more than one archival site?

The device will transfer using SCP before attempting FT

The device will transfer the configuration to each archival site.

The device will first attempt the transfer using the URL last configured.

The device will not transfer to a secondary site unless the previous site fails.

128. Which network mask is the equivalent of 255.255.248.0?

/20

/21

/22

/23

129. Your junos name is using me configuration shown in the exhibit. You notice the 172.17.23.10/30 address is incorrect and should be 172.17.23 9/30

What are two commands that would solve this problem? (Choose two)

[edit interfaces] user&router# delete ge-0/0/2.0 family inet address 172.17.23.10

[edit interfaces] user&router# rename ge-0/0/2.0 family inet address 172.17.23.10/30 to address 172.17.23.9/30

[edit interface] user&router# replace pattern 172.17.23.10 with 172.17.23.9

[edit interface] user&router# set ge-0/0/2.0 family inet address 172.17.23.9

130. Exhibit:

which type of route does the configuration create?

an indirect next hop

a non-advertised route

a default gateway

a generated route

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131. Which command will change the 172.16.10.1/24 IP address to 172.16.100.1/24 IP address?

insert interface ge-0/0/2 unit 0 family inet address 172.16.10.1/24 before address 172.16.100.1/24

rename interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address 172.16.100.1/24

copy interfaces ge-0/0/2 unit 0 family inet address 172.16.10.1/24 to address 172.16.100.1/24

set interfaces ge-0/0/2 unit 0 family inet address 172.16.100.1/24

132. Which command can be used to upgrade the current software of the Junos device?

request system software upgrade

request system software add

request system software install

request system software replace

133. Which Junos CLI operational command will gracefully shut down a router?

request system shutdown

shutdown now

request system halt

shutdown -r now

134. Which command can be used to quickly determine the administrative status of all interfaces on a Junos device?

show interfaces extensive

show interfaces terse

show interfaces status

show interfaces detail

135. Which of these methods can be used to announce static routes found in the routing table to OSPF peers?

Apply an import policy to the static routes that injects the static routes into OSP

Apply an export policy to OSPF that injects the static routes into OSP

Apply an export policy to the static routes that injects the static routes into OSP

Apply an import policy to OSPF that injects the static routes into OSP

136. Which operational command allows viewing of only OSPF routes?

show ip ospf route

show ip route protocol ospf

show route protocol ospf

show ospf table

137. When is the BA Classifier engaged for identifying the forwarding class of traffic in a Juniper router?

after a packet is identified by a multifield classifier

after the traffic passes though a shaper

prior to ingress policing of traffic

while the packet is stored in the switching fabric of the router

138. Which of these about exception traffic is true?

The internal link rate-limits exception traffic to protect the R

When congestion occurs, exception traffic is not prioritised.

Only PFE is responsible for handling exception traffic.

Forwarding tables are used to forward exception traffic.

139. Which two ping command parameters would be used to troubleshoot MTU issues? (Choose two.)

ping <destination> do-not-fragment

ping <destination> rapid

ping <destination> verbose

ping <destination> size

140. Which routing table is used for multicasting forwarding cache?

Inet.0

Inet.3

Inet.2

Inet.1

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141. Which of these about TCP are true? (Choose two)

The receiver acknowledges each packet it receives from the sender

The sender adds sequence numbers to the packets it sends

The receiver acknowledges the final packet in each communication stream

The receiver adds sequencing numbers to the packets received

142. Which two statements are true about the rescue configuration file? (Choose two.)

It gets updated automatically when you commit.

You need to create it using the command request system configuration rescue save.

It is rollback file number 50 and you can recover it by issuing rollback 50.

You can load it by entering rollback rescue.

143. What is the default protocol preference for OSPF internal routes?

160

150

144. Which command will show files stored in the /var/home/lab directory?

lab@router> file list

[edit] lab@router# rollback ?

lab@router> ls

lab@router> file show

145. Which of these methods can be used to redistribute a default route received through BGP, into OSPF?

Apply an import policy to OSPF that imports the default route.

Apply an export route to OSPF that exports the default route.

Apply the redistribute-igp command to BG

Apply the default-network command to OSP

146. Which of these about rescue configurations are true? (Choose three)

Rescue configuration should have the minimum configurations needed to restore network connectivity.

Rescue configurations must include a root password.

Rescue configurations can be loaded using the rollback command.

Junos has a rescue configuration by default.

147. Which command gracefully shuts down the Junos OS?

request system reboot

request system logout

request system halt

restart gracefully

148. Which command will gracefully shut down a Junos device from the CLI?

request system shutdown

shutdown now

request system halt

shutdown -r now

149. Which parameter would you use to prohibit the redistribution of a static route used for management traffic?

discard

passive

reject

no-readvertise

150. Referring to the exhibit, which two statements are true?

[edit system syslog]

user@router# show

host 152.170.10.10 {

any warning;

}

file changes {

change-log info;

}

Any warning message will be sent to the 152.170.10.10 host.

A warning message will be logged when the 152.170.10.10 host logs in.

Changes to the device's internal temperatures will be logged.

Changes to the configuration will be logged.

Page 16 of 19

151. Exhibit:

Which statement is true about the command shown in the exhibit?

There needs to be a ; after top for the command to be accepted as a valid command.

Only top should be used, no other options are allowed on the same line.

The command shown in the exhibit would be accepted as a valid command.

If you replace top with up command, it becomes valid.

152. Which command prompt indicates that you are in operational mode?

user @ router &

user @ router #

user @ router $

user @ router >

153. Which of these about NTP clock synchronization are true? (Choose two)

Junos OS must be used as a primary time reference.

When time is synchronised, it's easier for troubleshooting.

Authentication methods are not supported.

Junos supports client, server and symmetric modes of NTP operation.

154. What are two services performed by the Packet Forwarding Engine? (Choose two.)

to process transit traffic

to handle processes that control the device's interfaces

to maintain the routing tables

to implement stateless firewall filtering

155. What represents the decimal equivalence of 10100101?

127

165

156. Which part of the Junos architecture handles ICMP time-to-live (TTL) expired messages?

control interface

forwarding plane

control plane

services plane

157. Given the policy shown in the exhibit, which action will be taken when a static route to 172.10.16.0/24 is evaluated?

reject

next policy

go to default policy

158. The auto-complete feature in the Junos CLI is triggered by which methods?

pressing the Spacebar for both command and variable completion

pressing the Spacebar for only command completion and the Tab key for only variable completion

pressing the Spacebar for only variable completion and the Tab key for only command completion

pressing the Tab key for both variable and command completion and the Spacebar for command completion

159. The interface ge-0/2/3 is located in which flexible PIC concentrator slot?

160. Which J-Web tab allows you to add licenses to the device?

Monitor

Troubleshoot

Configure

Maintain

Page 17 of 19

161. Which two statements are correct about traceroute on Junos devices? (Choose two.)

It transmits ICMP echo-request packets.

It transmits UDP packets.

It receives ICMP echo-reply packets.

It receives ICMP time-exceeded packets.

162. A Junos device is in a factory-default configuration and no host name is set.

What is used in place of a host name in this scenario?

router

Junos

user

amnesiac

163. A BGP route does not match any term within a routing policy applied to BGP.

Which action is taken by the router for this route?

It discards the route by the implicit ‘discard all’ at the end of the policy.

It advertises the route according to BGP rules.

It discards the route by the default routing protocols policy.

It discards the route because it is unable to match the route to a configured action.

164. Which of these are requirements for two devices to communicate on an IP network? (Choose two)

end-to-end communications path

routing information on participating Layer 3 devices

hosts should be on the same Layer 3 broadcast domain

hosts should be on the same Layer 2 broadcast domain

165. Which of the following option is correct regarding the configuration shown below?

static route 0.0.0.0/0 qualified-next-hop 172.30.25.1 preference 7 next-hop 172.30.25.5

The next-hop 172.30.25.1 is selected because it is the lowest protocol preference.

The next-hop 172.30.25.1 is selected because it is listed first.

The next-hop 172.30.25.5 is selected because it is the lowest protocol preference.

The next-hop 172.30.25.1 is selected because the address has the lowest value.

166. Which of these arguments can be used with the load command to combine the current configuration with the configuration you load?

patch

override

update

merge

167. Which of these is an equivalent network mask for 255.255.240.0?

/19

/20

/18

/17

168. Which of these is true about Network Time Protocol on Junos?

The Junos OS does not support the use of a boot server.

MD5 authentication is supported.

The Junos OS can provide a primary time reference.

Server mode is not supported.

169. What is the default export routing policy for BGP?

Accept all active IGP routes.

Accept all active BGP routes.

Accept all BGP routes.

Accept no routes.

170. Which statement is true regarding the processing of transit traffic on platforms running the Junos OS?

Forwarding decisions are made only after the Routing Engine evaluates each packet's destination address.

Forwarding is handled by the forwarding plane, which is where the primary copy of the forwarding table exists.

Forwarding is performed by the forwarding plane, and the Routing Engine is not directly consulted.

Forwarding is performed by the Routing Engine so that forwarding can continue during PFE instabilities.

Page 18 of 19

171. Which IP Protocol number is assigned to TCP?

172. Which layer of the OSI Model performs error checking?

Transport Layer

Physical Layer

Data Link Layer

Network Layer

173. When you first log in to a router, how does the router indicate that factory defaults are being used?

The router's host name is Amnesiac.

The password you used to log in is junos.

The router immediately enters configuration mode after you log in.

The router allows you to enter configuration mode without logging in.

174. How many usable host addresses are available in 181.74.94.235/21?

2048

2044

1024

2046

175. Refer to exhibit.

What will be the result?

The device will boot in a Single-user mode at the operational prompt

The device will boot in a multi-user mode at the configuration prompt

The device will boot in a Single-user mode at the shell prompt

The device will boot in a multi-user mode at the shell prompt

176. Which of these loopback types are supported for serial interfaces on Juniper devices? (Choose two)

Bidirectional

Remote

Far End

Local

177. Which of these about login classes are true? (Choose two)

There are five system-defined login classes

Users can belong to multiple login classes

178. Which of these is true about the load override command?

it will completely overwrite the current configuration with the configuration you load

it will update replace the full current configuration with the factory-default configuration

it will combine the current configuration with the configuration you load

179. Which of these are true when using the configure exclusive command? (Choose three)

Only a single user can make changes to the configuration.

Multiple users can enter the configuration mode and have their own private configuration.

A message indicates that another user has locked the configuration, the CLI displays the user and the hierarchy level the user is viewing or editing.

When a user commits, only the user's changes are committed.

180. What is the default keepalive time for BGP?

30 seconds

10 seconds

90 seconds

60 seconds

Page 19 of 19

181. Referring to the Exhibit,

Which parameter at the end of the command would provide information for troubleshooting purposes?

Print-ascii

Extensive

No-resolve

No-timestamp

182. Which of these are valid actions for a routing policy? (Choose two)

next policy

ignore

discard

183. When considering the Junos 14.2R3.2 release, what is the correct order for each designator?

[year of release] . [main release number] [version] [minor release number] . [spin number]

[main release number] . [minor release number] [software release] [build number] . [spin number]

[year of release] . [minor release number] [software release] [build number] . [spin number]

[main release number] . [build number] [software release] [minor release number] . [spin number]

184. Which of these commands can be used to view the active configuration?

user@router> show system commit

user@router> show system configuration

user@router# show

user@router> show configuration

185. Exhibit:

You are asked to limit traffic on interface xe-0/0/3 to 1G using the policer shown in the exhibit.

Which configuration would accomplish this task?

Opation - A

Opation - B

Opation - C

Opation - D

Comments (2)

MAZOUZ Omar Reply

thanks a lot for this practice exam, it’s very useful. just for the Q24 , the three terminating actions are : accept , reject and discard .

May 7, 2022 at 9:14 am
MAZOUZ Omar Reply

Q35- What statement is true about the orlonger route-filter match type?
– All routes within the specified prefix that are longer or equal to the given prefix are considered a match.(the correct one )

May 7, 2022 at 9:36 am