[Jan 29, 2022] Fully Updated Huawei Other Certification (H12-821_V1.0) Certification Sample Questions
Latest Huawei H12-821_V1.0 Real Exam Dumps PDF
NEW QUESTION 19
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 supports IPv6.
- B. The circuit level of S4/0/0 is Level-1.
- C. The cost of S4/0/0 is 20.
- D. S4/0/0 sends IIH packets at the interval of 30s.
Answer: D
NEW QUESTION 20
Which of the following statements about multicast packet forwarding is true?
- A. IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
- B. In multicast transmission, the destination address of a packet can be the unicast address of a host.
- C. If a multicast data packet fails the RPF check, the packet must have been received through a sub-optimal interface. However, this interface still receives and forwards the multicast traffic downstream.
- D. The source address of a multicast packet is a unicast address.
Answer: C
NEW QUESTION 21
Which of the following statements is false?
- A. When a router with the highest router priority joins an OSPF network, this router will become the new DR.
- B. If two devices have the same router priority, the device with a larger router ID has a higher election priority.
- 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.
Answer: C
NEW QUESTION 22
RSTP provides different functions in different scenarios. Which of the following statements Is false?
- A. The role of the designated port that is enabled with root protection cannot be changed
- B. If the edge port on the switch enabled with BPDU protection receives RST BPDU, the switch sets the edge port as a non-edge-port and triggers STP calculation
- C. When the designated port enabled with root protection receives optimal RST BPDUs, the port enters the Discarding state and does not forward packets. If the port does not receive optimal RST BPDUs within a certain period of time, the port will automatically restore to the Forwarding state
- D. After TC-BPDU attack defense function is enabled, you can set the number of times the switch processes TC BPDUs within a certain period
Answer: B
NEW QUESTION 23
Which of the following statements regarding an IP prefix are true?
- A. An IP prefix filter can be used to filter data packets.
- B. An IP prefix filter cannot be used to filter data packets.
- C. An IP prefix filter is used to filter IP address prefixes and cannot match an IP prefix number and a prefix length at the same time.
- D. An IP prefix filter is used to filter IP address prefixes and can match an IP prefix number and a prefix length at the same time.
Answer: A
NEW QUESTION 24
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
Answer: C
NEW QUESTION 25
Which of the following statements regarding different LSA types is false?
- A. LS Ack packets contain complete LSA information.
- B. DD packets contain only LSA summary information, including LS Type, LS ID, Advertising Router, and LS Sequence Number.
- C. LS Update packets contain complete LSA information.
- D. LS Request packets contain only LS Type, LS ID, and Advertising Router.
Answer: C
NEW QUESTION 26
The Interface \P address and VRRP virtual IP address can be the same.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 27
Regarding the route-policy set-cost configuration below, which of the following statements is true?
- A. The route 11.1.0.0/16 will continue to match node 20 after permitted by node 10, and (he final cost is set to 200.
- B. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
- C. All the routes that are not permitted by node 10 will be denied.
- D. The cost of all routes is set to 200.
Answer: B
NEW QUESTION 28
Which of the following statements regarding the LSA age field are true?
- A. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), any router can regenerate an instance of this LSA again.
- B. The unit of this field is seconds. In a LSDB, the LS age of a LSA decreases with time.
- C. If the LS age of a LSA has reached the LSRefreshTime (30 minutes), the originator of this LSA needs to regenerate an instance of this LSA again.
- D. The unit of this field is seconds. In a LSDB, the LS age of a LSA increases with time.
Answer: B
NEW QUESTION 29
In a route-policy, which of the following BGP attributes can be used in apply clauses?
- A. MED
- B. Local-Preference
- C. Tag
- D. AS_Path
Answer: A,B,D
NEW QUESTION 30
Preferences of routing protocols determine the sequence In which a router selects a route among routes to the same destination /earned through different routing protocols.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 31
Which of the following statements regarding the summary automatic command and BGP route summarization is false?
- A. After this command is configured, BGP sends only the summarized routes to peers
- B. After this command is configured, BGP summarizes routes based on natural network segments
- C. This command enables automatic summarization for the locally imported routes
- D. This command is used to implement automatic summarization. Automatic summarization takes precedence over manual summarization
Answer: B
NEW QUESTION 32
When two routers exchange LSDB information using DD packets, a master/slave relationship is formed first, the router with a larger router ID is the master, and determine the MS bit.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION 33
Compared with STP, RSTP defines the different port states. Which of the following statements regarding discarding and learning states are true?
- A. The port in discarding state does not learn MAC addresses table.
- B. The port In discarding or learning state does not forward data frames.
- C. The port in discarding or learning state does not learn MAC addresses
- D. The port In learning stole docs not learn MAC addresses table.
Answer: C
NEW QUESTION 34
OSPF supports area authentication and interface authentication. If both authentication modes are configured, Interface authentication takes preference over area authentication.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 35
Which of the following attribute must be carried in an Update message?
- A. AS-Path
- B. MED
- C. Prefval
- D. Local-pref
Answer: D
NEW QUESTION 36
......
Huawei H12-821_V1.0 Dumps - Secret To Pass in First Attempt: https://www.dumpsreview.com/H12-821_V1.0-exam-dumps-review.html
H12-821_V1.0 Practice Test Questions Updated 62 Questions: https://drive.google.com/open?id=18DLHhzoK-_GIRiyzdQYTxmcEfX1yJ_qq
