Free Access Huawei.H12-821_V1.0-ENU.v2025-03-17.q157 Practice Test (Page 26)

Question 121

What are the working modes of the Eudemon firewall? (Multiple choice)

A.Routing pattern

B.Exchange Mode

C.Transparent mode

D.Blend Mode

Question 122

Which of the following descriptions of the OSPF protocol is wrong?

A.There are four connection types described by Router-LSA: P2P/TransNet/StubNetl virtual link

B.It is only allowed to advertise routing information between backbone areas and non-backbone areas, and it is not allowed to advertise routing information directly between non-backbone areas

C.The Link State ID described in the third type of LSA is the router-id of the ABR

D.Each OSPF router uses only one Router-LSA to describe the local active connection status belonging to an area

Question 123

When OSPF external routes are imported, Metric-Type-1 or Metric-Type-2 will be used, so which of the following is the calculation method of the routing cost of Metric-Type-1 type?

A.The sum of the cost from the nearest ABR to the ASBR and the cost from the ASBR to the destination address of the route

B.Cost from the ASBR to the destination address of the route

C.The sum of the cost from the device to the corresponding ASBR and the cost from the ASBR to the destination address of the route

D.The cost from this device to the corresponding ASBR

Question 124

Which of the following descriptions about the Keepalive message in BGP is wrong?

A.Keepalive messages are periodically sent between two BGP neighbors

B.The Keepalive message contains only one BGP data header

C.By default, the Keepalive interval is 180 seconds

D.Keepalive messages are mainly used to maintain the connection between BGP peers

Question 125

The RSTP protocol provides a variety of protection functions. For example, when the edge terminal port is configured in the protection state, the processing method of the edge port after receiving the BPDU message is:

A.Forward BPDU messages as required

B.Close the port

C.Obtain relevant information after the BPDU message

D.Directly discard the BPDU message

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