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無料Huawei H12-821_V1.0テスト練習問題試験問題集
Huawei H12-821_V1.0認定試験は、IT専門家の知識とスキルをテストする包括的な試験です。この試験は、データ通信技術に関する候補者の理解をテストする複数選択の質問とシミュレーションで構成されています。この試験は挑戦的であるように設計されており、合格するにはかなりの量の準備と研究が必要です。
質問 # 20
Which of the following statements regarding DR/BDR are false?
- A. All DR others establish neighbor relationships with DR and BDR only.
- B. DR others listen on the multicast address 224.0.0.5.
- C. DR others listen on the network address 224.0.0.6.
- D. In a broadcast network, DR and BDR must be elected. A broadcast network without a DR or BDR cannot operate normally.
正解：A
質問 # 21
To inject IGP routes into BGP routes, you can only use the network command.
- A. TRUE
- B. FALSE
正解：B
質問 # 22
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
- A. FALSE
- B. TRUE
正解：B
質問 # 23
Which of the following statement regarding the display ospf peer command output is true?
- A. Through negotiation during DD packet exchange, the local end becomes the slave.
- B. Address: 10.1,1.1 Indicates that the local interface address is 10.1.1.1.
- C. The DR address is 10.1.1.1
- D. Router ID indicates that the local router ID Is 10.1.1.1.
正解：B
質問 # 24
In a route-policy, which of the following BGP attributes can be used in apply clauses?
- A. AS_Path
- B. MED
- C. Local-Preference
- D. Tag
正解：A、B、C
質問 # 25
A Huawei firewall by default creates security zones named untrust, dmz, _________ and local. (Use Lowercase letters.)
正解：
解説：
security policy
質問 # 26
Which of the following statements about WLAN roaming are true?
- A. APs for roaming must be in the same extended service set (ESS).
- B. APs for roaming must have overlapping signal coverage.
- C. APs for roaming do not need to have overlapping signal coverage.
- D. APs for roaming must be in the same basic service set (BSS).
正解：C
質問 # 27
Which of the following statements regarding BGP route advertisement are false?
- A. Only the optimal routes preferred by BGP can be advertised to other BGP peers.
- B. All the BGP routes learned from all BGP peer will be advertised to other BGP peers.
- C. By default, the routes learned from an IBGP peer will not be forwarded to other IBGP peers.
- D. Only the routes learned from IGPs can be advertised to other BGP peers.
正解：A
質問 # 28
Four routers run ISIS and have established adjacencies. The area IDs and router levels are marked in the following figure. If route leaking is configured on R3, which of the following is the cost of the route from R4 to 10.0.2.2/32?
- A. 0
- B. 1
- C. 2
- D. 3
正解：C
質問 # 29
Which of the following statements is false?
- A. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
- B. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
- C. If the current DR fails, the current BDR automatically becomes a new DR, and a BDR will be elected again.
- D. A device with a higher router priority has a higher election priority.
正解：C
質問 # 30
In the OSPF protocol, inter-area route calculation involves only Router LSA, Network LSA, and Summary LSA.
- A. FLASE
- B. TRUE
正解：B
質問 # 31
To prevent inter-area routing loops, OSPF does not allow advertising routing information between two non-backbone areas and allows sing routing information only within an area or between the backbone area and a non-backbone area. Therefore, each ABR must be connected to the backbone area.
- A. FALSE
- B. TRUE
正解：B
質問 # 32
If a router ID is configured in both the system via and the BGP view, BGP uses the router ID configured in the BGP view because the BGP view takes precedence over the system view.
- A. TRUE
- B. FALSE
正解：B
質問 # 33
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. FALSE
- B. TRUE
正解：B
質問 # 34
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.
- A. FALSE
- B. TRUE
正解：B
質問 # 35
Which of the following PIM protocol packets have unicast destination addresses.
- A. Register Stop
- B. Graft
- C. Assert
- D. Bootstrap
正解：B
質問 # 36
What parameters can a DHCP6 server assign to a DHCPv6 client?
- A. SNTP server address
- B. IPV6 address/prefix
- C. DNS server address
- D. Gateway address
正解：A
質問 # 37
A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?
- A. S4/0/0 sends IIH packets at the interval of 30s.
- B. The cost of S4/0/0 is 20.
- C. S4/0/0 supports IPv6.
- D. The circuit level of S4/0/0 is Level-1.
正解：A
質問 # 38
As shown in the following figure, a new AP is deployed In dual link MSB networking (load balancing mode).
Which AC will the connect to?
- A. None
- B. Random access
- C. AC2
- D. AC1
正解：A
質問 # 39
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