2021 Free & Valid JNCDA JN0-1102 Questions and Answers Online

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JNCDA credential validates an understanding of network design fundamentals. A certification holder at this level has demonstrated entry-level knowledge of network design, theory, and best practices. You are required to pass Juniper JN0-1102 exam to get JNCDA Certification.

The purpose of this JNCDA JN0-1102 Questions and Answers is to assist you in studying for the JNCDA exam. These sample questions will give you an idea of the kind of questions you’ll see on the JN0-1102 certification test, as well as the difficulty level of the questions. FreeTestShare will always be here if you want more JN0-1102 test questions with verified answers for the actual exam.

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1. What are two phases of assessment when designing network security? (Choose two.)

to layout a logical design

to layout a physical design

to identify requirements

to perform data analysis

2. What is the name of Juniper’s network management platform?

Junos

Junos Space

MX Series

Juniper Secure Analytics (JSA)

3. You are asked to deploy VPNs in your network.

What are two deployment models you would use? (Choose two.)

site to site

hub and spoke

overlay

hierarchical

4. A customer wants to implement an automation system that can update BGP routes without commits and can make hundreds of changes per minute.

Which Junos automation tool would accomplish this task?

REST Explorer

JSNAPy

JET

event scripts

5. Network Director is an example of which type of network management application?

on-box

out-of-band

centralized

op script

6. What should be the first item in your network design checklist?

A validation process for analyzing customer's existing environment.

A process for selecting protocols, address schemes, and naming conventions.

A process for understanding the customer's business and technical goals.

The steps for designing a network topology.

7. Which name is used by a service provider to identify the edge device inside the central office facing the customer?

LSR

8. Your customer is a government organization with strict security requirements. They want to expand their Layer 2 infrastructure between multiple buildings within the same campus environment.

They also want to ensure that no unauthorized devices are connected between the switches in the different buildings.

Which solution ensures data security in this environment?

Use PNAC on all inter-switch connections.

Use LLDP on all inter-switch connections.

Use LACP on all inter-switch connections.

Use MACsec on all inter-switch connections.

9. Which Junos Space application can be used to manage the security features of the SRX devices?

Security Director

Log Director

Network Director

Connectivity Services Director

10. What should be included in a network design to improve resiliency?

climate control systems

redundant power supplies

out-of-band management

in-band management

Page 2 of 7

11. Which statement is true in regards to VRRP?

The VRRP members use a control link between the two nodes.

The VRRP members use an FXP0 link between the two nodes.

The VRRP members must contain two identical routing platforms.

The VRRP members can contain two different routing platforms.

12. Your customers new data center contains network devices from multiple vendors. You have been asked to propose two technologies that will work among all the vendors' networking equipment.

Which two technologies can you recommend for the design? (Choose two.)

MACsec

CDP

VXLAN

EIGRP

13. You need to deploy an IPsec VPN technology that provides low application latency when a remote office is communicating with another remote office. This solution must also provide low management overhead.

Which IPsec VPN technology should you choose for this design?

SSL VPN

full mesh VPN

hub-and-spoke VPN

ADVPN

14. What are two features used to enable high availability? (Choose two.)

VRRP

chassis clustering

full duplex mode

SNMP

15. You are designing a network management strategy for a new network.

The requirements for the management of network devices are shown below:

- Administrator passwords must have an expiration date.

- Administrators must be assigned role-specific privileges on each device.

In this scenario, which statement is true?

Local authentication must be used on each device.

A centralized AAA system must be used for authentication.

All devices must be configured with the same privilege levels.

Each user must have a unique login account.

16. What are two main elements of a network design RFP? (Choose two.)

business requirements

staffing requirements

e-waste requirements

environmental requirements

17. What does the network MTBF indicate?

the speed of the network

the reliability of the network

the age of the network

the cost of the network

18. What is a feature provided by devices in the WAN aggregation site of a large enterprise WAN deployment?

Internet gateway

MACsec

power redundancy

DHCP

19. When discussing network reliability, what does the term “five nines” mean?

The network is up 99.999% of the time.

The network is up .99999% of the time.

The network is up 9.9999% of the time.

The network is up .09999% of the time.

20. Which two applications suggest that the network should be engineered to support QoS/CoS functionality? (Choose two.)

video conferences

e-mail

voice over IP (VoIP)

customer relationship management (CRM)

Page 3 of 7

21. What are two phases in Juniper’s lifecycle approach when designing a network? (Choose two.)

plan

build

buy

oversee

22. You are the network administrator for a large university, and are ready to upgrade your network. You want to solicit multiple vendors for design suggestions to help you define your plan moving forward.

Which two methods should you employ? (Choose two.)

Publish an RFP to key vendors.

Publish an RFI to key vendors.

Attend industry conferences.

Require your reseller to submit a BO

23. What are two characteristics of using the Virtual Chassis technology in the aggregation tier of a data center? (Choose two.)

You can fully use all up-links from the access tier.

It increases the control plane complexity.

If reduces the control plane complexity.

You cannot fully use all up-links from the access tier.

24. Your customers new network contains network devices from multiple vendors. You have been asked to propose two technologies that will work among all the vendors' networking equipment.

Which two technologies can you recommend for the design? (Choose two.)

DVMRP

PIM

IGMPv2

DTP

25. The connectivity and throughput requirements RFP element contains which two items? (Choose two.)

Hierarchical design considerations

Number of wireless connections needed

Traffic analysis

Functionality of each module within the design

26. You have designed a network in which all network devices have redundant power supplies. However, the redundant power supplies are plugged into a single power source.

Which two statements are true? (Choose two.)

There is no problem and the power redundancy requirements are met.

The power redundancy requirements are not met as the single source of power could fail and the network devices will not stay powered on.

The redundant power supplies should be plugged into separate power sources.

Redundant power supplies should always be plugged into the same power source.

27. In which two situations does power supply redundancy make sense in a network design? (Choose two.)

when using an SRX320

when redundant power sources are not present on site

when redundant power sources are present on site

when a two-device HA solution is not possible

28. In which two situations does physical device redundancy make sense in a network design? (Choose two.)

When zero impact to users and applications is required during device failures.

When device failures in the customer's WAN provider are a possibility.

When downtime is not acceptable for device upgrades.

When server load in the DMZ is a is higher than normal.

29. As part of your automation design, you need an off-box system that will be able to monitor telemetry information. You must then use that information to dynamically update devices as needed to ensure optimal network traffic flow.

Which automation solution would accomplish this goal?

Ruby

SaltStack

Chef

Puppet

30. Which statements is true in regards to the Assess the Risks step of business continuity planning?

You should list all the functions and services in the network.

You should perform a business impact analysis.

You should perform a risk assessment.

You should develop a plan of action to mitigate the risks.

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31. Which Junos Space application can be used to manage VLANs on EX devices?

Security Director

Log Director

Network Director

Connectivity Services Director

32. You are asked to secure a branch location in your network.

Which two actions would accomplish this task? (Choose two.)

Configure an IPsec VPN back to headquarters.

Configure MC-LAG on the branch’s edge router.

Separate VLANs for each user group.

Configure OSPF areas in the core.

33. A company requires a managed WAN solution that supports Layer 2 adjacency across remote offices for applications and services.

What solution should be selected?

DMVPN

MPLS

VPLS

34. What are three environmental characteristics that affect the campus network design? (Choose three.)

distribution of users

PC operating system

transmission media characteristics

locations of wiring closets

remote-site connectivity

35. Which automation tool uses the master/minion model for changes?

Puppet

Chef

SaltStack

Ansible

36. Which two statements are true in regards to the Test the Plan step of business continuity planning? (Choose two.)

You should test the plan hypothetically on paper.

You should test the plan in full-fledged live exercises.

You should only test the plan if the risk-assessment shows that more than 10% of the customer's revenue is at risk.

You should only test the plan if the risk-assessment shows that more than 20% of the customer's revenue is at risk.

37. Which statement describes a data center is right?

The data center locally hosts thousands of users with wired connections, all with three to four active devices.

The data center typically involves high density topologies with multiple points of access.

The data center encompasses a broad area that is used to interconnect business locations and resources.

The data center houses the computing resources and services used by a company.

38. Which two data center network architectures might be proposed by other vendors to compete with Juniper Networks Virtual Chassis Fabric (VCF) solution? (Choose two.)

TRILL

FCoE

SON ET 1

three-tier architecture

39. You are consulting on the redesign for a large retail network. The customer has dozens of locations, all connected to a central data center.

Which two requirements would you expect from you customer? (Choose two.)

resiliency to ensure continuous operation

WAN aggregation using Internet-based VPN

very high throughput at every location

distributed network management

40. Which two statements are true in regards to network capacity planning? (Choose two.)

The application behavior is important.

The application behavior is not important.

The network management platform is not important.

The network management platform is important.

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41. Which two metrics are important for determining the size and scope of a new network design? (Choose two.)

implementation time frame

number of users

location of users

training requirements

42. In an SRX Series environment, what would you use to manage your network's firewall policy?

Virtual Director

Security Director

Network Director

Services Activation Director

43. Which two statements are true regarding a Virtual Chassis? (Choose two.)

A Virtual Chassis must be configured on the same series but not the same model.

A Virtual Chassis supports up to 10 participating devices.

A Virtual Chassis supports only two participating devices

A Virtual Chassis can be configured on mixed series and models.

44. What is the first step of business continuity planning?

know your network

test the plan

assess the risk

formulate the plan

45. You are designing a highly resilient network, which two high availability techniques should you use? (Choose two.)

How-swappable chassis components.

Redundant ACLs.

Redundant network devices

Copper interfaces.

46. You are designing a highly resilient network, which two high availability techniques should you use? (Choose two.)

Virtual Chassis for EX devices.

High bandwidth uplink.

Redundant power supplies for network devices.

SFP interfaces.

47. The business continuity RFP element contains which two requirements? (Choose two.)

Wired connection requirements

Traffic requirements

Network efficiency requirements

QoS requirements

48. Which two statements are true regarding virtual chassis fabric (VCF)? (Choose two.)

VCF uses a spine-and-leaf architecture.

VCF uses a hub-and-spoke architecture.

Each connected host in a data center is no more than three hops away from every other host in a data center.

Each connected host in a data center is no more than two hops away from every other host in a data center.

49. Which two industry standard automation platforms are used to provision Juniper data center switches? (Choose two.)

Python

Chef

OpenView

Tivoli

50. The environmental requirements RFP element contains which two items? (Choose two.)

A summary the type of business the customer is in.

An explanation of why a new design is required.

A detailed report that describes the facility specifications.

The number of users and workstation requirements.

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51. Which two technologies can you use to stretch Layer 2 traffic between two data centers over a DCI? (Choose two.)

RSTP

GRE

EVPN

OSPF

52. Your customer is a growing enterprise with limited capital to invest in network expansions.

They have noticed performance problems in their campus LAN, which have been traced back to a high oversubscription ratio between the aggregation and core layers. The customer’s aggregation and core switches are connected using a single 1GbE connection.

Which solution improves network performance?

Add additional 1GbE connections between the aggregation and core layers with LAC

Add additional 1GbEconnections between the aggregation and core layers with MACsec.

Add additional 1GbE connections between the aggregation and core layers with PNA

Add additional 1GbE connections between the aggregation and core layers with LLD

53. You are developing a network monitoring strategy to track network response time and availability. The monitoring strategy should be scalable to accommodate future network growth.

Which two statements are true in this scenario? (Choose two.)

Network reachability monitoring functions should be centralized to a dedicated monitoring device.

RPM allows the monitoring of reachability, but does not allow delay or jitter monitoring.

Network reachability monitoring functions should be delegated to each network device.

RMON is a standardized system that is not vendor specific.

54. You must design a network requires a VPN technology that employs low application latency between spoke devices. The customer has also stated that they do not wish to use PKI certificates as a form of authentication.

Which VPN technology should you recommend in this situation?

ADVPN

hub-and-spoke VPN

full mesh VPN

SSL VPN

55. Your customers new network contains network devices from multiple vendors. You have been asked to propose two technologies that will work among all the vendors' networking equipment.

Which two technologies can you recommend for the design? (Choose two.)

ISIS

LACP

GLBP

PAgP

56. You are designing a data center network that will require the rapid deployment and removal of security features between virtual machines based on triggered traffic flows.

The data center will require the ability to scale up and down rapidly according to traffic load, and then release resources when security services are not needed.

In this scenario, which type of security design would fulfill this requirement?

a centralized security appliance

a container-based security deployment

a physical security device connected to each host

an all-in-one virtual security device in each host

57. What is the forth step of the Juniper recommended executive summary structure of an RFP?

Identification of business benefits.

Relevant supporting information outlining why the customer should choose your plan.

Overview of your proposed solution.

Introduction of the customer's need or problem.

58. What are two important considerations with respect to the customer's IT organization which might affect your design? (Choose two.)

availability of funding to increase IT staffing

staff expertise levels in the technology under consideration

reporting hierarchy of the IT support organization

availability of the IT telephone contact center

59. A company asks you to develop a solution to provide secure access to the corporate network with a goal of providing a differentiated security policy per role and per device.

Which three measurements do you need to satisfy the company's requirement? (Choose three.)

the number of physical desktop ports

the number of power over Ethernet ports

the number of guest access users

the number of unmanned IP enabled end-point systems the number of WLAN access points

60. Which three options are effective ways of gathering data about the customer's current networking environment? (Choose three.)

questionnaires

interviews

social media

job aids

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61. The business requirements RFP element contains which two items? (Choose two.)

A summary the type of business the customer is in.

An explanation of why a new design is required.

A detailed report that describes the facility specifications.

The number of users and workstation requirements.

62. Which application would be used to manage Juniper EX Series switches?

Network Director

Security Director

Log Manager

Services Activation Director

63. What are three components used to enforce 802.1X in your design? (Choose three.)

authenticator

VoIP phone

authentication server

supplicant

edge router

64. What are two valid reasons to implement a network management solution within your network infrastructure? (Choose two.)

to increase network visibility

to eliminate the need for network planning

to reduce network operating expenditures

to reduce network capital expenditures

65. Which two items must be included in an RFP include? (Choose two.)

A list of design requirements.

The new design of the network.

An analysis of application behavior in the network.

The types of solutions the design must provide.

66. Which three characteristics are associated with the Physical Layer of the OSI reference model? (Choose three.)

cables

routing protocols

electricity

full duplex communications

TCP/IP

67. You are designing a network in which access between different groups must be tightly restricted.

What should you do to accomplish this task?

Use a firewall with security policies to control the traffic.

Use a switch with Layer 2 ACLs to control the traffic.

User a router with Layer 3 ACLs to control the traffic.

Use a Web filtering device to control Layer 7 traffic.