HCIA-Datacom V1.0 H12-811_V1.0 Free Demo Questions And Answers

1. When the host accesses the web server of the server, the network layer protocol field takes the value 6.

True

False

2. A network engineer prompts the following information when entering the command line:

Error: unrecognized command found at ‘^’ position. Which statement is correct about the prompt message?

The input command is not clear

Wrong parameter type

No keyword found

Input command is incomplete

3. Which statements are correct about the transport layer protocol? (Multiple choice)

The establishment of a TCP connection is a three-way handshake, and the termination of a TCP connection requires a four-way handshake.

UDP uses the SYN and ACK flags to request and confirm the establishment of a connection

The range of well-known port numbers is 1-1023

UDP is suitable for transmitting delay-sensitive traffic and can be reorganized according to the sequence number field in the message header

4. The tracert diagnostic tool in Huawei routers is used to track the data forwarding path.

True

False

5. Which of the following statements about static routing is wrong?

Manual configuration by the network administrator

Routing information needs to be exchanged between routers

Cannot automatically adapt to changes in network topology

Low system performance requirements

6. In VRP operating platform, which of the following commands can only view static routes?

display IP routing-table

display IP routing-table statistics

display IP routing-table verbose

display IP routing-table protocol static

7. Which of the following protocol types does the ospf protocol support? (Multiple choice)

Point-to-multipoint

Point-to-point type

Broadcast type

NBMA

8. Which of the following descriptions are wrong about the Forwarding status in the spanning tree protocol? (Multiple choice)

The port in the Forwarding state does not learn the source MAC address of the packet

Ports in the Forwarding state must send BPDU packets

The port in the Forwarding state can forward data packets

The port in the Forwarding state can receive BPDU packets

9. Which of the following statements are correct about link aggregation in manual load balancing mode?

In manual load sharing mode, all active interfaces participate in data forwarding, sharing load traffic

There can only be 4 active ports in manual load sharing mode

In manual load sharing mode, devices at both ends of the link send LACP packets to each other

The number of active ports can be configured in manual load sharing mode

10. What is the transmission rate related to about the Eth-Trunk port in manual link aggregation mode? (Multiple choice)

Is the member port on the public network or on the private network?

Is an IP address configured on the member port

Bandwidth of member ports

Number of member ports

11. VRP operating system commands are divided into four levels: access level, monitoring level, configuration level, and management level.

Which level can run various business configurations and set commands but cannot operate the file system?

Configuration level

Access level

Management level

Monitoring level

12. Which of the following protocols belong to the link state routing protocol?

PTP

OSPF

Direct

Static

13. Which of the following port states does the RSTP protocol contain? (Multiple choice)

Discarding

Forwarding

Listening

Learning

14. Which statement is correct about the dynamic AC address table? (Multiple choice)

The dynamic MAC table entries obtained through the source AC address learning in the message will age

By viewing the number of specified dynamic MAC address table entries, you can get the number of users communicating under the interface. After the device restarts, the previous dynamic table entries will be lost

After the device restarts, the previous dynamic entries will be lost

After the device restarts, the previously saved entries will not be lost

15. If the Length/Type of an Ethernet data frame = 0x8100. Which of the following statements is correct?

There must be a UDP header in the upper layer of this data frame

There must be an IP header in the upper layer of this data frame

There is always a TCP header in the upper layer of this data frame

This data frame must carry VLAN TAG

16. Which of the following statements about IPv6 anycast addresses are correct? (Multiple choice)

Anycast address and single address address use the same address space

Provide redundant functions for services

The packet whose destination address is the anycast address will be sent to the nearest network interface in the sense of routing

Realize service load sharing

17. Which of the following statements about Python is incorrect?

Python has a wealth of third-party libraries.

Python is a fully open source high-level programming language.

Python can be used in many fields such as automated operation and maintenance scripts, artificial intelligence, and data science.

Python has a clear grammatical structure, simple and easy to learn, while running efficiently.

18. What kind of message does the OSPF protocol use to send LSA to neighbors?

LSR

LSACK

LSU

LSA

19. Which of the following are communication networks? (Multiple choice)

Use computer to watch videos online

Use a computer to access the official network

Download emails from the company’s mailbox to your computer

Use instant messaging software (such as QQ, WeChat) to chat with friends

20. Which of the following statements are incorrect? (Multiple choice)

If the route cost value is larger, the route priority is higher

By default, direct routes have a higher priority than OSPF routes

In VRP, the higher the routing priority value, the higher the routing priority

The priority of each static route can be different

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