Huawei H12-821_V1.0-ENU 問題集

質問 1：
In the broadcast network shown in the figure, OSPF runs on four routers, and they are in the same area and the same network segment. OSPF will automatically elect a DR and a BDR, and the other two routers will become DR other, so as to achieve a better backup effect.

A. FALSE
B. TRUE
正解：B

質問 2：
If DR Priority is set to 0, then in the OSPF routing domain, the router is allowed to be elected as DR or BDR, but it has the lowest priority.
A. FALSE
B. TRUE
正解：A

質問 3：
When the payload is an ICMPv6 message, if the extension header is not considered, what is the value of the Next Header field in the IPv6 header?
A. 68
B. 58
C. 55
D. 78
正解：B

質問 4：
Which of the following descriptions of router classification in IS-IS is incorrect?
A. Level-1 router cannot establish adjacency relationship with Level-2 router
B. Level-1 routers can establish adjacency relationships with Level-1-2 routers.
C. When configuring IS-IS on a Huawei router, by default, the global Level1 of the router is Level-1-2.
D. The Level-2 LSDB only contains routing information for the area where the Level-2 router is located.
正解：D

質問 5：
Which of the following statements about the address used by AC to establish a CAPWAP tunnel in VRRP hot backup is correct?
A. VRRP virtual addresses of the active and standby ACs
B. The physical address of the standby MC
C. The physical address of the primary AC
D. Any address configured in the AC is fine
正解：A

質問 6：
In the BGP process, what is the role of the DETAIL-SUPPRESSED option of the AGGREATE command?
A. Advertise aggregate routes and detailed routes to other BGP neighbors
B. Suppress the generated aggregate routes from being delivered to the IP routing table
C. Suppress the delivery of aggregated detailed routes to the IP routing table
D. Only advertise aggregated routes to other BGP neighbors
正解：D

質問 7：
When performing source NAT configuration and having no-pat configuration parameters, which of the following statements is correct?
A. Only source IP address translation is performed
B. Simultaneous source IP address and source port translation
C. Only the destination IP address is translated
D. Perform destination IP address and destination port translation
正解：A

質問 8：
Which of the following statement about OSPF neighbor information is wrong?

A. The address of DR is 10.1.1.1
B. This router is the Master
C. The router id of this router is 1.1.1.1
D. The router id of the neighbor is 2.2.2.2
正解：B

質問 9：
Which of the following description of the permanent multicast address is wrong?
A. All routers listen on 224.0.0.2
B. All routers running OSPF protocol listen on 224.0.0.5
C. All hosts and routers in the network segment listen to 224.0.0.1
D. All routers running the PIM protocol listen on 224.0.0.100
正解：D