Huawei H31-521-ENU HCNA-Cloud DataCentre operations Free Online Test

Come to HCDAtest now, new HCNA-Cloud DataCentre operations Certification Exam H31-521-ENU questions have been released on October 9, 2018. If you are preparing for H31-521-ENU HCNA-Cloud DataCentre operations(Huawei Certified Network Associate – Cloud DataCentre Operations) exam, just choose HCDATEST H31-521-ENU exam questions as the preparation materials.

HCDATEST offers valid H31-521-ENU exam questions to ensure that you can pass H31-521-ENU exam with 100% passing guarantee. Here, we share 25 free questions as Huawei HCNA-Cloud DataCentre operations H31-521-ENU Free online Test, You can get 4 points after answer one question correctly. You can test these 25 free questions to feel the high quality of HCDATEST H31-521-ENU exam dumps.

Begin to Test:

1. Which of the following is not included in the host resource content of the FusionManager?

Host

Host group

Virtual host group

Virtual machine

Question 1 of 25

2. Which of the following options must be noted for server storage unit replacement? (Multiple Choice)

Can leave immediately after replacement

The cabinet is correctly grounded correctly

Strictly follow the manufacturer's product operation steps

Anti-static: operator anti-static

Question 2 of 25

3. Which of the following is not the main indicator of server memory?

Capacity

External dimension

Delay

Frequency

Question 3 of 25

4. When configuring the security level of the firewall security zone, which of the following statement is wrong?

The security level of the newly created security zone is 1 by default.

You can only set security levels for custom security zones

Security level is not allowed to change once set

Two security domains in the same system are not allowed to configure the same security level

Question 4 of 25

5. After the server operating system suddenly restarts, it can not find the hard disk, which of the following directions is recommended to check?

Hard disk failure

BIOS failure

HBA card failure

Built-in RAID card information

Question 5 of 25

6. In the Huawei Elastic Compute Cloud Total Solution, which category does not belong to“integrated resource management”?

Unified topology management

Unified alarm management

Unified monitoring management

Business issuance

Question 6 of 25

7. Which of the following are included in the FusionManager alarm settings? (Multiple Choice)

Mail notification

SMS notification

Alarm template

Alarm threshold

Question 7 of 25

8. One of the highlights of virtualization technology is the refined control and dynamic allocation of resources, namely QoS technology.
Which of the following QoS technologies does Huawei virtualization software support? (Multiple Choice)

CPU Qos technology

Memory QoS technology

Network QoS technology

Storage QoS technology

Question 8 of 25

9. In server virtualization, virtual machines running on the same physical computer do not affect the running status of other virtual machines when one of them crashes or modifies. What feature does this represent for virtualization?

Isolation

Compatibility

Hardware-independent

Unity

Question 9 of 25

10. Which of the following description of the OBS (Object Based Storage) function is incorrect?

Block replication

Fault tolerance

Simulating a local hard drive

Smooth expansion

Question 10 of 25

11. What are the features of Huawei NIP products included? (Multiple Choice)

Excellent detection mechanism and performance

Vulnerability-based signature, low false positives, anti-evasion

Zero configuration online, centralized management / rich reports

Traffic self-learning, no manual configuration

Question 11 of 25

12. Route priority is determined according to which of the following option?

Advantages and disadvantages of routing protocol algorithms

Hop count to the target network

Bandwidth of the sending interface

Reliability of the physical link

Question 12 of 25

13. When creating RAID, which of the following statement is incorrect?

RAID0 is suitable for high reading and writing requirements, and data has no security requirements.

RAID1 is suitable for the case of data security requirements first

RAID5 is suitable for a large number of small IO switching frequently operation situations

RAID6 applies to situations where data security requirements are high

Question 13 of 25

14. For web-based virtualization technology, what are the following statements correct? (Multiple Choice)

Channels connecting different VPCs

VPN system using endpoint to endpoint

Divide multiple domains on top of a high-end VPN device, each domain acting as a separate VPN

VPN devices cannot be virtualized

Question 14 of 25

15. The attacker intercepts and records the data from A to B, and then extracts the information from the data intercepted earlier to B, what is the process called?

Man-in-the-middle attack

Password guesser and dictionary attack

Reflection attack

Replay attack

Question 15 of 25

16. Which of the following statements about the firewall fragment cache function are correct? (Multiple Choice)

After configured the direct forwarding function of packet fragment, the firewall does not cache the fragmented packet.

After configured the direct forwarding function of packet fragment, the firewall will forward the packet based on the interzone packet filtering policy for fragmented packet that are not the first packet.

The fragmented pracket will also create a session table, which will also look up the session table when forwarding.

The non-first packet of the fragmented packet, because there is no transport layer port number information, the direct forwarding function of the fragmented packet cannot be used in the NAT environment.

Question 16 of 25

17. Which of the following method is not a common storage maintenance method?

Web page login management

Command line login management

FTP login management

Serial port login management

Question 17 of 25

18. Which of the following service model of the cloud computing can quickly implement the online process of new services?

SaaS

PaaS

IaaS

DaaS

Question 18 of 25

19. In RAID 2.0, which of the following is the basic object that make up a RAID group?

CKG

extent

disk

Question 19 of 25

20. Among the various firewall technologies, which of the following is the mainstream firewall?

Packet filtering firewall

Application state detection firewall

Proxy firewall

Antivirus firewall

Question 20 of 25

21. Which of the following statement about the description of the Linux base directory is incorrect?

In the base directory, "." (a dot) represents the current directory

In the base directory, ".." (two points) represents the upper level directory

The directory beginning with "." (a dot) is a hidden directory

The "cd.." command can be returned to the previous directory, and ls -| can display the hidden directory.

Question 21 of 25

22. Which of the following is incorrect about the description of FusionManager deployment?

FusionManager can be deployed in active/standby mode.

FusionManager supports single point deployment

FusionManager can be deployed on the VM.

FusionManager must be deployed on the physical server.

Question 22 of 25

23. Which of the following statement about the description of VPC is incorrect?

You can define your own private subnet in the VPC and deploy the application and other services under the corresponding subnet as needed.

You can use the security group function to divide the Elastic Cloud Server in the VPC into different security domains and define different access control rules for each security domain.

You can apply for an independent public IP address, bind to the elastic cloud server freely and flexibly and take effect immediately.

VPC is a separate area that cannot be interconnected with traditional data centers.

Question 23 of 25

24. Which of the following statement about the description of network virtualization is correct?

Deploy a complete, feature-rich virtual network through API automation with the cloud platform

Virtual network and security topology for each application is not mobile

Virtual network resources and compute layer are binding

Network virtualization does not provide a secure isolation network for multi-tenants

Question 24 of 25

25. Which of the following may affect the SAN storage read and write performance? (Multiple Choice)

One of the controllers is offline

Hot spare disk failure

One of the BBU battery is offline

RAID reconsitution

Question 25 of 25

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