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To prepare for the Huawei H12-821_V1.0 exam, candidates are recommended to have a deep understanding of data communication technologies, as well as experience in designing and deploying data communication networks. They should also have a strong knowledge of Huawei's products and solutions, along with the ability to troubleshoot and resolve network issues.
NEW QUESTION # 704
Which of the following commands is used to enable the IS-IS protocol on the interface?
- A. isis enable 100.
- B. ip router isis 100.
- C. route isis enable 100
- D. router isis 100.
Answer: A
NEW QUESTION # 705
Regarding the warning message "0SPF/2/IFAUTFAIL (OID) [1.3.6.1.2.1.14.16.2.6]:
Apacketisreceivedonanon-virtual
Interface from a muter whos eauthentication key
Or
authentication type conflicts with the local authentication key
Or
authentication type. (IflpAddress=[ipaddress]AddressLesslf=interflce-index] Processld=[process-id]Routerld=muter-id]PacketSrc=[source-ip-address] ConfigErrorType= (error-type) ] PacketType=[packettypel] InstanceName=[linstancename] ) " Which of the following description is wrong?
- A. It may be caused by interface verification and coordination errors
- B. Errors that may be caused by the HELLO time interval
- C. It may be an error caused by a mismatch in the area code
- D. An error may be caused by a subnet mask mismatch
Answer: A
NEW QUESTION # 706
Which of the following routing protocols support publishing default routes through command configuration? (Multiple choice)
- A. OSPF
- B. BGP
- C. ISIS
- D. IGMP
Answer: A,B,C
NEW QUESTION # 707
Which of the following BGP route attributes can the Route-Policy tool modify? (Multiple choice)
- A. Community
- B. AS_Path
- C. MED
- D. Origin
- E. Preferred-Value
Answer: A,B,C,D,E
NEW QUESTION # 708
The advantage of IS-IS messages using the TLV structure is that it has better scalability. To add new features, you only need to add a new TLV, and there is no need to change the overall structure of the entire message.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 709
Router-LSA can describe different link types. Which of the following is not a Router LSA link type?
- A. Link Type can be used to describe the connection to the peripheral network, namely SubNet
- B. Link Type can be used to describe the point-to-multipoint connection to another router group, namely p2mp
- C. Link Type can be used to describe a point-to-point connection to another router, ie p2p
- D. Link Type can be used to describe the connection to the transit network, namely TranNet
Answer: D
NEW QUESTION # 710
A switch runs MSTP. The configuration is shown in the figure. What is the role of this switch in MSTI 1?
- A. Root switch
- B. Secondary root switch
- C. Non-root switch
- D. Uncertain
Answer: D
Explanation:
Based on the MSTP configuration shown, the role of the switch in MSTI 1 cannot be determined without additional details about the topology or priority values of other switches in the instance. The role could be a root switch, secondary root, or non-root, depending on these factors .
NEW QUESTION # 711
Regarding business travel, which of the following statements is correct? (Multiple choice)
- A. Administrators do not need to check out the user's IP address when configuring policies.
- B. Administrators can manage business policies on network-wide policy execution devices in the controller system.
- C. In the business mobility solution, administrators do not need to repeat configurations on each device.
- D. The controller is not only the authentication center in the campus network, but also the management center of business policies.
Answer: A,B,C,D
NEW QUESTION # 712
Which of the following is wrong about OSPF discarding directly?
- A. The DD packet carries the LSA header information to describe the link state summary information
- B. The DD packet contains all LSA information, which can be used to periodically synchronize link state database information between neighbors
- C. Hello packets are used to discover and maintain neighbor relationships. On broadcast networks and NBLA networks, Hello packets are also used to elect DR and BDR.
- D. The intervals for sending Hello packets between the two routers must be the same, otherwise neighbors cannot be established
Answer: B
NEW QUESTION # 713
By default, the IS-ISLevel-1-2 router will publish the detailed routing information of the Level-2 area to the Level-1 area to ensure that the routers in the Level1-1 area can normally access the devices in the backbone area.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 714
When a device running BGP receives a BGP route and finds that its AS number is in the AS_Path, which of the following methods will it take?
- A. Discard directly
- B. First notify the neighbor through a Notification message, and then discard the route.
- C. Delete your own AS number in AS_Path and forward it.
- D. Forward directly to the peer
Answer: A
NEW QUESTION # 715
IS-IS cannot run on point-to-multipoint links P2MP (Point to MultiPoint)
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION # 716
OSPF is a link state protocol. Link state information includes which of the following items? (Multiple choice)
- A. Link type
- B. Interface IP address and its mask
- C. Neighbor routers connected on the link
- D. Link overhead
Answer: A,B,C,D
NEW QUESTION # 717
Which of the following statements is true about BGP?
- A. IGP routes can be converted into BGP routes only through the network command.
- B. A router cannot be configured with multiple BGP processes.
- C. If the export routing policy applied to a BGP peer changes, manual intervention is required so that the device resends Update messages to the peer.
- D. Open messages carry only the BGP header.
Answer: C
Explanation:
Export Routing Policy Changes
When an export routing policy is modified, BGP does not automatically resend affected routes. Manual intervention, such as a clear ip bgp command, is required to resend Update messages reflecting the new policy.
NEW QUESTION # 718
A local router runs IS-IS and its command output is shown in the following figure. Which of the following statements is true?
- A. The cost of S4/0/0 is 20.
- B. The circuit level of S4/0/0 is Level-1.
- C. S4/0/0 sends IIH packets at the interval of 30s.
- D. S4/0/0 supports IPv6.
Answer: C
NEW QUESTION # 719
......
To take the exam, candidates must have a solid understanding of network fundamentals, including TCP/IP, routing protocols, and switching technologies. They should also have hands-on experience with Huawei network products and solutions. H12-821_V1.0 exam consists of 60 multiple-choice questions that must be completed within 90 minutes.
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