H12-821_V1.0-ENUの無料問題集（966題）、H12-821

Huawei H12-821_V1.0-ENU 問題集

試験コード：H12-821_V1.0-ENU

試験名称：HCIP-Datacom-Core Technology V1.0

最近更新時間：2024-05-13

問題と解答：全966問

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質問 1：
Which of the following descriptions about AS_Path is wrong
A. AS_Path refers to the list of ASs that BGP routes have experienced in the path of transmission
B. When there are two or more routes with the same destination in the router, these routes can use this attribute to compare the advantages and disadvantages of each other. The longer the AS_Path, the better the path
C. AS_Path is a recognized mandatory attribute in BGP
D. BGP will not accept the route that contains this AS Number in the AS_Path attribute
正解：B

質問 2：
Which of the following statements about the characteristics of a high-availability network are correct?
(Multiple choice)
A. Failure to occur frequently
B. will not fail
C. Once a failure occurs, only manual intervention is required to restore the business
D. Can recover quickly after a failure
正解：A,D

質問 3：
Which of the following are sources of demand for network optimization? (Multiple choice)
A. It is necessary to carry out video conferencing services in the network, and it is necessary to add switching equipment that supports Layer 2 multicast kinetic energy
B. Enterprise information security needs, adding new security equipment
C. The environmental problem of a weak electric well, the signal line is seriously aging, and needs to be replaced intensively
D. After long-term network maintenance, put forward relevant suggestions for some problems and improvement points summarized, and carry out centralized rectification
正解：A,B,C,D

質問 4：
Which of the following statements about BFD is correct? (Multiple choice)
A. BFD can provide connectivity detection across networks
B. Use a single mechanism to detect all types of media and protocol layers to achieve a unified detection mechanism for the entire network
C. The upper layer application provides parameters such as detection address and detection time to BFD
D. Provides light-load, short-duration detection of paths between adjacent forwarding engines
正解：B,C,D

質問 5：
Regarding the basic concept of link aggregation, which of the following description is wrong?
A. Link aggregation only exists on active interfaces
B. Link aggregation is a method of bundling a group of physical interfaces together as a logical interface to increase bandwidth and reliability.
C. The logical link formed by bundling several physical links together is called a link aggregation group (LAG or Trunk)
D. Link aggregation follows the IEE802.3ad protocol.
正解：A

質問 6：
The ABR in the OSPF complete Stub area does not flood the area with Type 3, Type 4, and Type 5 LSAs.
Therefore, the ABR in the complete Stub area needs to manually release a default route to the area to guide how the data packets reach the destination of outside of the AS.
A. False
B. True
正解：A

質問 7：
Which of the following BGP routing attributes is not a recognized attribute?
A. Origin
B. MED
C. AS_ PATH
D. Local_Pref
正解：B

質問 8：
In the test phase of the cutover, which one is the standard to indicate that the test has been completed?
A. The command to view the results is normal as the standard
B. The upper layer application service test carried by the network is normal as the standard
C. The test network business is normal as the standard
D. Check the normal operation of the network as the standard
正解：B

質問 9：
Which of the following descriptions about the triggering mechanism of 802.1X authentication is correct? (Multiple choice)
A. 802.1X authentication can only be initiated by the client
B. The 802.1X client can trigger authentication by multicast or broadcast
C. 802.1X authentication cannot be initiated by an authentication device (such as an 802.1 switch)
D. The authentication device can trigger authentication in multicast or unicast mode
正解：B,D

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Huawei HCIP-Datacom-Core Technology V1.0 認定 H12-821_V1.0-ENU 試験問題:

1. There are multiple equal-cost links between node A and node B, but equal-cost load sharing is not implemented. The possible reason is that OSPF limits the maximum number of load-sharing links.

A) FALSE
B) TRUE

2. How long is the default lease period of the DHCP address pool?

A) 1 day
B) 1 month
C) 1 week
D) 1 hour

3. If two Huawei routers establish a BFD session, and the sending interval of AR1 is 50 milliseconds, the receiving interval is 80 milliseconds; the sending interval of AR2 is 60 milliseconds, and the receiving interval is 90 milliseconds.
Which of the following statements about the post-negotiation time interval is correct?

A) After negotiation, the sending interval of AR2 is 90 milliseconds, and the receiving interval is 80 milliseconds
B) After negotiation, AR1 sends at an interval of 50 milliseconds and receives at an interval of 80 milliseconds
C) After negotiation, AR2 sends at an interval of 80 milliseconds and receives at an interval of 90 milliseconds
D) After negotiation, the sending interval of AR1 is 60 milliseconds, and the receiving interval is 90 milliseconds

4. Regarding the following configuration commands for issuing default routes for each protocol, which of the description is wrong?

A) In the OSPF protocol, the default-route-advertised command is used to advertise the default routing information to the common OSPF area
B) In static routing, the ip route- static default preferer command is used to generate a default route on the current router
C) In the BGP protocol, the default-route imported command is used to enable the function of importing provincial routes into the BGP routing table
D) In the ISIS protocol, the default-route-advertise command is used to advertise the default routing information to neighbors

5. About the description about the OSPF calculating the shortest path tree stage, which is the correct?

A) The first stage calculates the routing nodes, and the second stage calculates the Stub network segment.
B) The first stage calculates the Stub network segment, and the second stage calculates the router node and Transit network segment.
C) The first stage calculates routing nodes and Transit network segments, and the second stage calculates Stub network segments.
D) The first stage calculates the stub segment, and the second stage calculates the routing node.

質問と回答：

質問 # 1
正解： B

質問 # 2
正解： A

質問 # 3
正解： C

質問 # 4
正解： B

質問 # 5
正解： C