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NEW QUESTION # 25
When a routing policy is used to filter routes, which of the following route prefixes will be denied by the IP prefix below?
- A. 1.1.1.1/32
- B. 1.1.1.1/24
- C. 1.1.1.2/16
- D. 1.1.1.1/26
Answer: B
NEW QUESTION # 26
Which of the following PIM protocol packets have unicast destination addresses.
- A. Assert
- B. Bootstrap
- C. Graft
- D. Register Stop
Answer: C
NEW QUESTION # 27
Which of the following statements regarding OSPF route summarization is false?
- A. Route summarization is the process of summarizing routes with the same prefix into one route and then advertising only the summarized route to other areas.
- B. OSPF supports two route summarization modes: ABR summarization and ASBR summarization.
- C. Route summarization can reduce routing information, decrease the routing table size, and improve router performance.
- D. Any router in OSPF can summarize routes.
Answer: C
NEW QUESTION # 28
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. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 29
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 or learning state does not forward data frames.
- B. The port in discarding or learning state does not learn MAC addresses
- C. The port In learning stole docs not learn MAC addresses table.
- D. The port in discarding state does not learn MAC addresses table.
Answer: B
NEW QUESTION # 30
Which of the following statements about multicast packet forwarding is true?
- A. 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.
- B. The source address of a multicast packet is a unicast address.
- C. In multicast transmission, the destination address of a packet can be the unicast address of a host.
- D. IGMP snooping cannot control the scope of multicast traffic flooding on a Layer 2 network.
Answer: A
NEW QUESTION # 31
IGMPV3 not only supports IGMPv1 General Query and IGMPv2 Group-Specific Query, and also IGMPv3 Source/Group-Specific Query.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 32
A monitoring plane usually comprises the monitoring units of main control boards and interface boards. This plane can monitor the system environment independently. Which of the following environment monitoring functions can be provided by the monitoring plane?
- A. Temperature monitoring
- B. System power-on and power-off control
- C. Fan control
- D. Voltage monitoring
Answer: A
NEW QUESTION # 33
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 # 34
The traffic limiting policy feature only supports the number of connections initiated by the specified IP or the number of connections received.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 35
According to BGP route selection rules, the route with the higher Local_Pref is preferred.
- A. TRUE
- B. FALSE
Answer: A
NEW QUESTION # 36
The filter-policy 2000 export command is run in an ISIS process. Which of the following statements about the functions of a filter policy is false?
- A. Filters LSPs to be advertised.
- B. Controls the advertisement of routes generated by the device.
- C. Is used together with the route import function to advertise some imported external routes to neighbors.
- D. If this command is not run, the device by default advertises all routes that ISIS Imports form external routing protocols.
Answer: D
NEW QUESTION # 37
After which of the following parameters are modified does an IS-IS neighbor relationship need to re-established?
- A. The level of an ISIS interface is changed.
- B. The cost of an IS-IS interface is changed.
- C. The interval at which an IS-IS interface sends IIH packets is changed.
- D. The IP address of an ISIS interface is changed.
Answer: A
NEW QUESTION # 38
See the following figure. RTA, RTB, RTC, and RTD are in the same AS and establish IBGP peer relationships through direct links. RTB an RTC are route reflectors (RRs), RTA and RTC are the RR clients of RTB, and RTB and RTD are the RR clients of RTC. If RTA advertises the route 10.1.1.0/24 to the BGP process, the Originator ID of the BGP route received by RTD is------------------.
Answer:
Explanation:
IN ORDER
NEW QUESTION # 39
Which of the following attribute must be carried in an Update message?
- A. MED
- B. Local-pref
- C. AS-Path
- D. Prefval
Answer: B
NEW QUESTION # 40
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. S4/0/0 supports IPv6.
- C. The cost of S4/0/0 is 20.
- D. The circuit level of S4/0/0 is Level-1.
Answer: A
NEW QUESTION # 41
Compress the 2001:0DBB:B8:0000:C030:0000:0000:09A0:CDEF address.___________(if the answer contains letters, capitalize them.)
Answer:
Explanation:
pending
NEW QUESTION # 42
To inject IGP routes into BGP routes, you can only use the network command.
- A. FALSE
- B. TRUE
Answer: A
NEW QUESTION # 43
BFD control packets are encapsulated in UDP packets for transmission. What is the destination port number of multi-hop BFD control packets?
- A. 0
- B. 1
- C. 2
- D. 3
Answer: A
NEW QUESTION # 44
Regarding the route-policy set-cost configuration below, which of the following statements is true?
- A. The cost of all routes is set to 200.
- B. 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.
- C. All the routes that are not permitted by node 10 will be denied.
- D. The route 11.1.0.0/16 is permitted by node 10, and its tost Is set to 300.
Answer: D
NEW QUESTION # 45
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: A
NEW QUESTION # 46
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Huawei H12-821_V1.0 exam is a computer-based exam that consists of 60 questions. The candidates are given 90 minutes to complete the exam. H12-821_V1.0 exam includes multiple-choice questions, fill in the blanks, and drag-and-drop questions. The passing score for H12-821_V1.0 exam is 60 percent, and the result is immediately displayed upon completion of the exam. H12-821_V1.0 exam fee varies depending on the region, and candidates can register for the exam online through Huawei's website.
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