Free Access Huawei.H12-821_V1.0-ENU.v2024-06-19.q121 Practice Test (Page 2)

Question 1

What are the differences between IGMP versions? (Multiple choice)

A.IGMPv1/v2 cannot elect a querier by itself, while IGMPv3 can

B.IGMPv1/v2/v3 cannot support the SSM model

C.IGMPv1 does not support specific group queries, while IGMPv2 supports

D.For members to leave, IGMPv2/Nv3 can leave voluntarily, but IGMPv1 cannot

Question 2

As shown in the figure, all routers run IS-IS. R3 is a Level-1 router, R6 is a Leve1-2 router, and the other routers are Level-1-2 routers. What are the types of neighbor relationships between routers? Multiple choice)

Question 3

The following is the output information of a router. The correct description of this information is:

A.The community attribute value carried by the destination network segment 5.1.1.0/24 is no-advertise, indicating that the routing entry cannot be advertised outside the local AS

B.The community attribute value carried by the destination network segment 1.1.1.0/24 is no-export, indicating that the routing entry can be advertised to any BGP neighbor

C.The community attribute value carried by the destination network segment 5.1.1.0/24 is no-advertise, indicating that the routing entry cannot be advertised to any other BGP peers

D.The community attribute value carried by the destination network segment 1.1.1.0/24 is no-export, indicating that the routing entry cannot be advertised to any BGP neighbors

Question 4

In RSTP, many optional protection functions are set to prevent the Layer 2 network from being invaded by malicious users.
So which of the following descriptions about TC-BPDU functions are correct? (Multiple choice)

A.After this function is enabled, for other TC BPDU packets that exceed the threshold, the device only processes them once after the timer expires

B.By default, the maximum number of topology change packets processed by the device within a specified time is 2

C.The anti-TC-BPDU attack function can be configured and enabled on all interfaces

D.By default, the time required for the device to process the maximum number of topology change packets is Hello Time

Question 5

In the MSTP protocol, each MST Instance uses the RSTP algorithm alone to calculate a separate spanning tree.

A.False

B.True

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