Free Access To HCIA-Cloud Computing V4.0 H13-511_V4.0 Real Questions

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1. Op e n source virtualization technologies are all type I vir t ualization, and closed source virtualization technologies are all t y pe II virtualization

TRUE

F ALSE

2. Cloud c o mputing is t h e pro d uct of the develop m ent of the In t ernet and c omputing technolog y , so c l oud computing must be inseparable from the netw o rk

TRUE

F ALSE

3. Both CPU resource QoS and mem o ry multiplexing technologies use di f ferent stra t egies to rationally allocate resources

T rue

False

4. The following incorr e ct description of Huawei FusionCom p ute architecture is

CNA provides computing re s ources for virtual machines

VRM can run on CAN or can be d e ployed on a separate ph y sical machine

VRM provides a management por t al for administrators

CNA can manage clu s ter network, storage and computing r e sou r ces // all of the c lust e r

5. D u ring the snapshot c reation pro c ess, you can perform other ope r ations on the virtual machine.

TURE

F ALSE

6. The foll o wing are n ot part of snapshot manag e ment.

Copying a snapshot

Modifying a snapshot

Create a snapshot

Delete a snapshot

7. What is incorrect about the snapshot description is

A v irtual m achine can crea t e multiple s napshots. When you u s e a snapshot to resto r e a virtual machin e , subsequent snapshots become invalid.

Snapshots can save b oth virtual machine settings and virtual machine disk data

All virtual machines on a host can only create one memory s n apshot at the same t i me

Snapshots can save the state of virtual machine memory

8. The foll o wing incorr e ct description of hot and cold migration is () .

Hot migration is the migration of virtual machin e s running f r o m one host to another ki n g machine, business will not occur during the mig r ation process Break.

In the performance test-reliability test, there are tests f o r virt u al machine migration, including hot migration, cold migration, migration du r ation, Duration of bus i ness interrupti o n.

Cold migration is to migrate a virtual machine in a stopped state from one host to another host, and business will be interrup t ed du r i n g the migration p r ocess.

both hot and cold migrations will migrate memory and disk d ata

9. In Hu aw ei FusionC o mpute, the memory and C PU resourc e s used by vi r tual mach i nes can only b e provided by the same cl u ste r . Therefore, the max i mum computing resourc e s that vi r tual machines c a n actually use cannot exceed the sum of resources available to a l l hosts in the cluster

T rue

False

10. CO R RE C T TEXT

CPU virtualization technology can be divided into full virtualization, paravirtua l ization, software virtualization, and har d wa r e - assisted virtualization.

TRUE

F ALSE

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11. The foll o wing description of d istri b uted storage is correct

The disks of the distri b uted storage come from t h e x86 architecture disk arra y .

The disk o f the distributed storage comes from a personal PC

The disks of the distri b uted storage come from x86 architec t ure servers

The disks of the distri b uted storage come from t h e x86 architecture virtual machine

12. V irtualization desc r iption is correct

VMM runs in Guest M a c hine

VMM runs directly on H ost Machine

VMM runs on Guest OS

VMM runs on Host OS

13. In Huawei FusionCompute, the configuration mode of the most storag e -e f ficient v irtual machine disk loading is

General

Indepen d ent-persiste n t

Streamline

Indepen d ent-n o n-p e rsistent

14. In Hu aw ei FusionC o mpute, if the server has a small number o f phys i cal NIC s , you can consider merging multiple planes, Using a VLAN to logically isolate each plane

TRUE

F ALSE

15. CO R R E CT TEXT

What is inco r rect about the VIMS file system descr i ption below? D

V IMS is c ompatible with FC SAN, I P SAN, local disk

VIMS is t h e technical foun d a t ion for advanced features such as thin disks, snapshots, and storage migration

VI M S i s a high-performance cluster file s y s tem

VIMS is a universal st o rage virtualization file system

16. In-use memory exchange refers to using virtual memory or external storage for the virtual machine, and storing tempor a rily unused da t a o n the virtual machine to e xternal storage. When t h e system n e eds to use this data, it is then exchanged with data reserved in memory Exchange

TRUE

F ALSE

17. 1.CORRECT TEXT

As FusionSphere, the disk thin provis i oning can be achieved is (multiple choice)

thin provisioning and virtual storage operating system, hard w are has noth i ng to do, so as long as t h e use of virtual image management system, w ill be able to achieve disk thin provisioning

does not curr e n t ly support NTFS formatted virtual machine d i sk recovery // NTFS does not support online reco v ery

providing virtual disk space monito r ing and rec o very featur e s

to provide data storage c apacity warning thres h o l d may be set, generating a warning when the storage capacity e x ceeds the thr e shold value

18. Which of the following state m ents a bout the rela t ionship be tw een cloud computing and the Internet of

Things is in c orrect?

Without c l oud computing support, the Int e rnet of Things cannot perform data transmission

Cloud c o mputing is the corne r stone of the development of t h e Internet of Things, and at the same t ime, the Internet of Things c o ntinues to promote the d e velopment of cloud com p uting

Cloud computing can provide e n o u gh sto r age space for massive data of the Internet o f Things

If there is no cloud compu t ing as the basic support, the wo r k e f f icien c y o f the Internet of Things wi l l be greatly redu c ed

19. CO R R E CT TEXT

When you use a template to quick l y deploy a virtual machine, y o u do not ne e d to install t h e ope r ating system or c o nfigure it, so you save a l ot of t i me and e f fort.

T rue

False

20. The following are c o mputing virtualization (multiple choices)

CPU virtualization

Network virtualization

Memory virtualization D, I/O v irtual i z ation

Disk virt u alization

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21. CO R R E CT TEXT

Among the following RA I D levels, the highest utilization of di s k space is

A, RAID 0

B, RAID 6

C, RAID 1

D, RAID 5

22. Destroy d ata storage

3 ---> 2 ---> 4 ---> 1

2 ---> 4 ---> 1 ---> 3

1 ---> 2 -- - > 3 ---> 4

1 ---> 4 -- - > 2 ---> 3

23. The following description abo u t virtualized storage and n o n - v irtualized st o rage is corr e ct

V irtualized storage is more secure than non-vir t ualized sto r age

V irtualized storage is bett e r than n on-virtualized storage

Read a n d write perfo r mance of non-virtualized storage is be t ter than virt u alized storage

Non-virtualized storage scales better than virtualized storage

24. CO R R E CT TEXT

In Huawei F usionComp u te, the de f ault alarm level does not include ()

Normal

emergency

hint

secondary

important

25. In FusionCompute, the virtual network adapt e r of each virt u al machine is connected to the port of the virtual switch. In order to fa c ilitate the user to conf i gure a n d manage multip l e ports at the same t i me, divide the ports with the same network attributes into the same port group

TRUE

F ALSE

26. CO R R E CT TEXT

The following Hypervisor description is incorrect

In virtualization, Hypervisor and VMM are a concept

In v irtuali z ation, Hypervisor can run directly on H ost Mach i ne

In vi r tuali z ation, Hypervis o r can m o nitor the sta t us of the guest m a c hine

In vi r tuali z ation, only Hypervisor has direct a cc e ss to physical resources

27. In computing virtualization, the ope r ating system running in a v irtual machine is called Host OS.

TRUE

F ALSE

28. CO R R E CT TEXT

The followi n g options belong to open source virtualization tech n ology:

FusionCompute

vSphere

KVM

Hyper-v

29. In Huawei FusionCompute, the f o llowing description about t h e hot migration is incorrect

Live migration includes virtual machine live migration and disk live migration

Use the technology of rapid replication of memory data and shar e d stora g e during the hot migration of virtual machines to en s ure the numb e r of virtual machines Data unchang e d

Storage live migra t ion can only be perfor me d within the same storage d e vice under stora g e virtualization managem e nt

The types of virtual machine live migration are d i vided into c h ange host, chan g e datastore, and change host and datastore

30. CO R R E CT TEXT

In the Ope n Stack soluti o n, wh i ch module does the load provi d e f or persistent block sto r age?

Swi f t // O b ject S torage

Glance /// Quick storage

Nova // C ompute node life c y cle

Cinder

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31. The de s cription of t h e relationsh i p between H ost Machine and Guest Machine is co r rect (multiple choice)

After usi n g virtualizati o n technolog y , one guest machine can use the resources of multiple host machines at the same ti m e.

After usi n g virtualizati o n technolog y , a guest m a c hine can only run on the host ma c hi n e that created it

After usi n g virtualizati o n t e chnolog y , a Host Machine can o nl y run one Hypervisor

After usi n g virtualizati o n t e chnolog y , multiple g u est machi n e s can run on one host machine

32. The storage resource types supported by H uaw e i FusionCompute are (multi-select)

FusionSt o rage

Advanced SAN

NAS

IP SAN

FC SAN

33. V irtual machines are gen e rally composed of virtual machine configura t ion infor m ation and disk files. Users can move the two files to implement virtual machines running on di f ferent physical hosts.

What are the characteristics of cloud computing d e scribed above? (Multiple choices)

Part i tion

i solation

indepe nd ent

Encapsulation

34. Which of the following is not included in the NAS architec t u r e?

V olume mana g ement module

S tatus verification mo d ule

file s y s t e m

Network interface

35. Which of the following scenarios is not recommended to en ab le the memory reuse function?

Ordinary o f fice cloud hosting

T elecommunications business hall

Graphic workstation

Bank window o f fice

36. What's incorrect in NUMA's descri p tion is ()

Guest NUMA is to identify the Guest OS and its internal a ppl ic ations by presenting the NUMA structure to the virtual machine. NUMA struc t ure to achieve the purpo s e of improving application performan c e

NUMA technology makes CPU a cc e ss similar to the speed of memory in Node a n d the speed of access to m emory in other No d es

Host NUMA mainly p r ovides a CPU load bala n cing mechanism to resol v e VM performance bottl e necks caused by imba l anced CPU resour c e allocation.

Host NUMA guarant e es VM a ccess to l o c al physical memor y , reduces memory acc e ss latenc y , and can improve VM performance

37. Wh e n u sing the same Window template to quickly deploy a virtual mac h ine, the S I Ds generat e d may be consistent. As a result, some special software will fail when installed

T rue

False

38. In Hu aw ei FusionC o mpute, a virtual machine can have multiple virtual n etwork adap t ers.

TURE

F ALSE

39. CO R R E CT TEXT

The following incorrect description of virtualiza t ion is (multi-sel e c t)

network v i rtuali z ation refers to dist r ibuted virtual switches

Storage virtualization refers to distributed stora g e

In cloud computing, IaaS layer virt u alization can be divided i n to computing virtualizatio n , storage virtualization, and ne t work virtualization

Computi n g virtualizati o n includes CPU virtualiz a tion, memory virtualizatio n , and IO vi r tualization

40. SSD disks are mec h anical hard disks, which h ave the advant a ges of fast read and w r ite speeds, l ow power consumption, and light we i ght, but they have a limited life span

TRUE

F ALSE

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41. CO R R E CT TEXT

The followi n g description o f the Hypervisor is correct

Hypervis o r is virtualization

Hypervis o r is essenti a lly an operati n g system

Hypervisor carries a large nu m b e r o f drivers, so the Hypervisor does not n e ed to install drivers and patches

Hypervisor is the key t o computer virtualization

42. CO R R E CT TEXT

Which of the following technolog i es on a switch can increase link speed?

LDAP

LACP

VLAN

VXLAN

43. Which of the following technolog i es or equipm e nt cannot iso l ate broadcasts

Router

VLAN

Hub

Firewall

44. CO R R E CT TEXT

As FusionCompute, which one of the following options do not be l ong CPU r esources QoS paramete r s?

CPU sha r e of resources

CPU res o urce limits

CPU resource reservation

CPU resource reuse

45. H u awei FusionCom p ute supports adding h osts in batches. The administrator fills in h ost informat i on according to the tem p late provided by the system a nd imports it at one time.

TRUE

F ALSE

46. In Hu aw ei FusionC o mpute, if the Windows vir t ual machine has a blue screen, what ope r ations can the system p erform? [Multiple choice]

HA V irtual Machine

Recover a virtual mac h ine using a snapshot

Restart t h e virtual ma c hine

Not processed

47. In Hua w ei FusionCompute, when a host in the cluster fails, t he virtual machine on that host will automatically Automatic m igration to other hosts in the cluster

TRUE

F ALSE

48. In FusionCompute, the foll o wing description about deleting a security group is incorrect .

Authorization betwe e n the sec u rity gro u p to be deleted a n d other security groups do e s not a f fect the deletion

There are no virtual machines in the security group. If the r e a re virtual machines in the security group, you need to r emove the virtual m achines from the security grou p .

After the security group is deleted, all the s e curity gro u p rules in the group a re deleted at the same time

When you delete a security group to which a virt u al machine belongs, the other security groups have no e f fect on the virtual machine.

49. NUMA is a memory a rchitecture designed for multiprocessor computers. Memory access time depends on Processor location, under NUMA, the processor acces s es its o wn local memory faster than non-local m e mory (the memory is l o cated in Anot h er processo r , o r shared memory be t w e en processo rs ) is f a ste r .

TRUE

F ALSE

50. CO R RE C T TEXT

The followi n g description about KVM ( Kernel- b as e d V irtual Mach i ne) is correct (multiple selection) A, K VM i s t y pe II v irtuali z ation

B, KVM is a type I virtualization

C, KVM is a module in the Linux kernel

D, KVM is an open source vi r tualization technology

Page 6 of 7

51. Cloud c o mputing is t h e pro d uct of the develop m ent of the In t ernet and c omputing technolog y , so c l oud computing must be inseparable from the netw o rk.

TRUE

F ALSE

52. In FusionCompute, the QoS pa r ameters that c an be set for the virtual machine do n o t include:

GPU

Di s k IOPS

Memory

Network

CPU

53. In Hua w ei fusion com p ute, all vi r tual machine NICs that join the same security group us e this security gro u p filtering. T o improve securit y , y o u need to a d d the same network card to multiple s e curity groups. B

// A network card is only assigned to one security gro u p

TURE

F ALSE

54. In a NAS environment, multiple ho s ts writing to a file at the s ame time will cau s e data consistency issues.

T rue

False

55. In Huawei FusionCompute, DRS rules do not take e f fect for virtual mac h ines bound to USB devices.

TURE

F ALSE

56. Comm o n external stora g e solutions are

DAS

NAS

NFS

SAN

57. If an enterprise uses a hy b rid cloud, the de v ic e s that cannot be used as the demarcat i on point betwe e n pu b lic and p r ivate clouds are

Core switch

Firewall

V irtual sw i tch

Flow cleaning equ i pment

58. In Hua w ei FusionCompute, the role of the uplink is.

Assign an IP address to the virtual machine

Connect virtual and p h ysical networks

Manage virtual ma c hine MAC add r esses

Detecting the status of the virtual network card

59. The foll o wing options are chara c t e ristic of the era of clo u d computing 1.0 (multiple c h oices)

Agile application develop m ent and l ife cycle ma n agement

Foc u s on virtualization pro d ucts

Standard i zation and automa t ion of resource se r vices

Use virtu a lization tech n o l ogy to improve resource utilization

60. The foll o wing description of cloud computing is correct

Cloud computing is a techno l ogy that enables IT resources to be obtain e d anytime, a nywhere, convenientl y , and on de m and

V arious IT resources in cloud com p uting need to be paid to u se

IT resources obtained in cloud computing need to be used th r ough the ne t work

In the process of obta i ning IT resources, users need to rep ea tedly negotiate with cloud computing service providers

Page 7 of 7

61. CO R R E CT TEXT

In Huawei FusionCompute, the f o llow i ng incorrect technical des c ription of CPU QoS is (C)

The role o f "reservati o n" is to ensure the lower limit of the c o mputing power of the virt u al machine, that is, how much resourc e s are used at least

"Shares" is used to calcul a te resou r ces based on the relati v e CPU share values of m u ltiple virtual machines when computing re s ources are insu f fici e nt. Source bal a nce and adj us tment

"limit" is used to spec if y the maximum number of hosts

By adjust i ng the "Reservation", "Share", "Restriction", to a chieve control of the virtual machine CPU resource usage

Free Access To HCIA-Cloud Computing V4.0 H13-511_V4.0 Real Questions

Free Access To HCIA-Cloud Computing V4.0 H13-511_V4.0 Real Questions

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