HCIE-Data Center (Written) V2.0 - H13-431-ENU Exam Practice Test

Question 1

In the cloud network integration scenario, the cloud host applies for the SNAT service. When the cloud host traffic is accessed to the external network, the source IP address is replaced with the public network address, and the traffic reaches the public network through the Border Leaf. For the return traffic of the Border Leaf to the firewall, manual configuration is required.

A. True

B. False

Correct Answer: B

Question 2

The two-site three-center solution in the data center disaster recovery plan, that is, one copy of the data has three backups (including itself) and is distributed in three different geographical locations, which are called three data centers, usually referred to as production centers, plus City disaster recovery center and remote disaster recovery center.

A. True

B. False

Correct Answer: A

Question 3

In Huawei SDN solution, which is wrong with the Overlay network value point description?

A. Facilitate the expansion of Underlay network

B. Centralized management of controllers to achieve rapid and automated service delivery

C. Separation of IP and location information, flexible deployment of services

D. Tied up with Underlay network to build an application-oriented adaptive Overlay network with network virtualization

Correct Answer: D

Question 4

Which of the following encapsulation format for NSH packets is correct?

A. | VXLAN | ETH | NSH | Payload |

B. | NSH | ETH | VXLAN | Payload |

C. | VXLAN | NSH | ETH | Payload |

D. | NSH | VXLAN | ETH | Payload |

Correct Answer: A

Question 5

Each OpenStack platform corresponds to one physical data center, and ServiceCenter cannot access multiple OpenStack platforms at the same time.

A. True

B. False

Correct Answer: B

Question 6

In the network overlay network of Huawei SDN solution, which is the supported operation and maintenance function? (Multiple Choice)

A. Multipath detection between NVE

B. Network connectivity detection: IP Ping, MAC Ping

C. Logical Router Switch Entry Visualization (MAC/IP)

D. Single path detection: IP Trace (ICMP/UDP)

Correct Answer: A,B,D

Question 7

Wihch of the following description is correct about Huawei Anti-DDoS solution function? (Multiple Choice)

A. Anti-DDoS can protect against viruses

B. Anti-DDoS can prevent intrusion

C. Anti-DDoS can prevent traffic type denial attacks

D. Anti-DDoS can protect against single-packet attacks

Correct Answer: C,D

Question 8

The following is about the intelligent operation and maintenance of Huawei cloud data center SDN solution. Which is the correct description? (Multiple Choice)

A. Unified management of network resources

B. ARP business pickup

C. Layer 2 loop detection

D. Business path visible

Correct Answer: A,B,C,D

Question 9

Which of following description about the current security threats in the data center is correct? (Multiple Choices)

A. Operation and maintenance management cannot be associated with analyzing massive data and attack events

B. The application server may be paralyzed by a traffic attack

C. VM may be invaded

D. The border network is vulnerable to attack

Correct Answer: A,B,C,D

Question 10

In the cloud network integration scenario, a client successfully applies for a cloud host and binds the EIP. In case of a problem, the cloud host does not reach the external network, and another cloud host that reaches the same network segment does not pass. What is the possible reasons? (Multiple Choice)

A. No virtual firewall is applied.

B. Cloud hosts are in different security groups.

C. There is no virtual firewall configured.

D. The cloud host uses an internal network.

Correct Answer: B,C

Question 11

In the cloud network integration scenario, the VDC tenant creates a routing network, 192.168.123.0/24, gateway is 192.168.123.1, and enables DHCP.
Which of the following descriptions are wrong? (Multiple choice)

A. The VBDIF gateway is automatically created on the physical switch and the DHCP function is enabled.

B. The Bridge Domain ID is automatically assigned randomly from the AC-DCN global resources.

C. VXLAN VNI does not need to be manually specified and is automatically assigned randomly from AC-DCN global resources.

D. Because there is no cloud host, no user port is online on the AC-DCN.

Correct Answer: A,C,D

Question 12

Which of the following components must be involved in the process of deploying disaster recovery services? (Multiple Choice)

A. Neutron

B. Nova

C. Cinder

D. ManageOne SC

Correct Answer: B,C,D

Question 13

The peak write bandwidth of an application is 10MB/s, the average written bandwidth is 200KB/S, and the average write IO size is 4KB (the overhead of private information is about 11%, and the bandwidth utilization is 70%). The FC network is used and set. For synchronous replication mode (considering the overhead of private information), what should the network bandwidth be greater than required?

A. 89Mbps

B. 2.23Mbps

C. 128Mbps

D. 135Mbps

Correct Answer: C

Huawei HCIE-Data Center (Written) V2.0 - H13-431-ENU Exam Practice Test

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