[Jul 16, 2024] Valid H12-821_V1.0-ENU Test Answers & Huawei H12-821_V1.0-ENU Exam PDF
Realistic H12-821_V1.0-ENU Exam Dumps with Accurate & Updated Questions
NEW QUESTION # 488
Which function does the switch control plane not include?
- A. System loading
- B. Traffic statistics
- C. Routing calculation
- D. Business processing
Answer: A
NEW QUESTION # 489
Which one of the following descriptions of the trigger mechanism of 802.1X authentication is correct? (Multiple choice)
- A. 802.1X clients can trigger authentication by multicast or broadcast
- B. The authentication device can trigger authentication in multicast or unicast mode
- C. 802.1X authentication cannot be initiated by an authentication device (such as an 802.1 switch)
- D. 802.1X authentication can only be initiated by the client
Answer: A,B
NEW QUESTION # 490
In a network environment, there are both switches running RSTP and switches running SIP, then the phenomenon that will appear in this network is: (Multiple choice)
- A. RSTP and STP are not interoperable and will perform independent operations
- B. RSTP can interoperate with STP, but at this time RSTP advantages such as fast convergence are lost
- C. If it is a Huawei switching device, RSTP will switch to STP mode. After the STP switching device is withdrawn from the network, the RSTP -running switching device can migrate back to the RSTP working mode
- D. If it is a Huawei switching device, the STP will switch to RSTP mode, and the switching device running RSTP can be configured to switch back to the RSTP working mode after the switching device is removed from the network.
Answer: B,C
NEW QUESTION # 491
( *; G ) routing table entries in multicast routing can guide packet forwarding.
- A. False
- B. True
Answer: A
NEW QUESTION # 492
As shown in the figure, the stateful inspection firewall will forward the message because the message conforms to the firewall session state.
- A. False
- B. True
Answer: A
NEW QUESTION # 493
The state inspection firewall uses the session table to track the active TCP sessions and UDP sessions, and the firewall security policy determines which sessions are established, and the data packets will only be forwarded when they are associated with the session.
- A. False
- B. True
Answer: B
NEW QUESTION # 494
Which of the following description about BGP, OSPF, ISIS is correct?
- A. OSPF runs based on the IP protocol, and the protocol number used is 90
- B. BGP runs based on UDP sessions, and the port number used is 179
- C. ISIS runs based on the IP protocol, using the protocol number 89
- D. The BGP neighbor relationship is established based on TCP sessions, and the port number used is 179
Answer: D
NEW QUESTION # 495
The Link ID of the Type 3 of LSA is:
- A. Described ABR 's Router ID
- B. Generate the Router ID of this LSA's router
- C. The port IP address of the DR on the network segment where it is located
- D. Described destination network segment
Answer: D
NEW QUESTION # 496
Which of the following statements about the characteristics of a high availability network are correct?
(Multiple choice)
- A. will not fail
- B. Can not fail frequently
- C. Once a failure occurs, the business can only be restored through manual intervention
- D. Can recover quickly after a failure
Answer: B,D
NEW QUESTION # 497
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 the priority is the lowest.
- A. False
- B. True
Answer: A
NEW QUESTION # 498
Which of the following fields are included in the 0SPF Hello packet? (Multiple choice)
- A. Originating router interface authentication type and authentication information
- B. Router ID of the originating router
- C. The MAC address of the originating router interface
Router ID of F.DR and BDR - D. Area ID of the originating router interface
- E. Hello interval of the originating router interface
Answer: A,B,C,D,E
NEW QUESTION # 499
Which of the following about the default routing of each protocol is incorrect?
- A. Static default route can be configured
- B. ISIS can issue default routes
- C. OSPF cannot deliver default routes
- D. BGP can deliver default routes
Answer: C
NEW QUESTION # 500
Which of the following statements about the BFD detection mode is correct? (Multiple choice)
- A. Asynchronous mode is a commonly used BFD detection mode
- B. In query mode, once a BFD session is established, the system will no longer periodically send BFD control packets
- C. Asynchronous detection mode does not support echo function
- D. In asynchronous mode, the systems will send BFD control packets at the negotiated cycle. If a system does not receive the BFD control packets from the peer within the detection time, it will declare the status of the BFD session Down.
Answer: A,B,C,D
NEW QUESTION # 501
As shown in the picture, there are the following configurations under BGP. Which of the following descriptions is wrong? (Multiple choice)
[HUAWEI-bgp] timer keepalive 30 hold 90
[HUAWEI-bgp] peer 1.1.2 timer keepalive 10 hold 30
- A. The global configuration takes precedence, so the final result is that the timer value of peer
1.1.1.2 takes keepalive 30 hold 90 - B. The timer takes the minimum value, so the final result is that the timer value of peer
1.1.1.2 takes keepalive10 hold 30 - C. The default configuration is timer Keepalive 60 hold180, so pee r1.1.12 has a faster speed of detecting Peer connection failure than the default value
- D. Peer configuration takes priority, so the final result is that the timer value of peer
1.1.1.2 takes keepalive 10 hold 30
Answer: A,B
NEW QUESTION # 502
Which of the following LSAs has a propagation range only in a single area? (Multiple choice)
- A. Summary LSA
- B. Network LSA
- C. AS External LSA
- D. Router LSA
Answer: B,D
NEW QUESTION # 503
The recognized attribute in BGP is the attribute that all BGP routers must recognize and include in the Update message.
- A. TRUE
- B. FALSE
Answer: B
NEW QUESTION # 504
R1 contains the configuration shown in the figure. Which option is correct for the following description about IS-IS process 1?
Isis 1
Cost-style wide
Network-entity 49.0022.ee8c.a0c2.baf2.00
- A. The device type of R1 is Level-1-2.
- B. The device type of R1 is Level-2.
- C. The device type of R1 is Level-1.
- D. The device type of R1 cannot be determined
Answer: A
NEW QUESTION # 505
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