Dumps for Free Huawei H12-261_V3.0 Practice Exam Questions [Nov 25, 2022]
H12-261_V3.0 Dumps PDF And Certification Training
NEW QUESTION 41
If there is a Huawei switch running the STP protocol, and now the G0/0/17 interface and the G0/0/18 interface of the switch are connected by a cable, which of the following descriptions about this scenario is correct?
- A. G0/0/17 interface and G0/0/18 interface will enterDiscarding state
- B. The G0/0/17 interface will enter the Blocking state
- C. G0/0/17 interface and G0/0/18 interface will enterForwarding state
- D. The G0/0/18 interface will continue to be in the Listening state andL earning status changes back and forth
- E. G0/0/18 interface will enterDiscarding state
Answer: E
NEW QUESTION 42
Regarding the stub area in the OSPF protocol, the following statements are correct:
- A. Type injection is not allowed in stub area7 LSA
- B. ASBR cannot be stored in stub area.
- C. The backbone area cannot be configured as a stubarea.
- D. Virtual connections cannot pass through stubsarea.
Answer: A,B,C,D
Explanation:
Explanation
The stub stub area cannot import external routes and type 5 LSAs, and cannot have ASBsR, Class 7 LSAs are also not allowed
NEW QUESTION 43
Interface Se of an existing routerrial0 is in OSPF area 1, and interface Serial 0 is set as a Silent interface. So what effect does this setting have?
- A. OSPFNo adjacency will be established over this interface
- B. OSPFEstablish available adjacencies through this interface
- C. OSPF receives routing updates from neighbors
- D. OSPFRoutes learned from this interface will not be added to the local routing table
Answer: A
Explanation:
Explanation
will run OSPF After the interface of the protocol is designated as the silent state, the directly connected route of the interface can still be advertised, but the Hello packets of the interface will be blocked, and the neighbor relationship cannot be established on the interface.
NEW QUESTION 44
You want only telnet traffic to be able to access the server(address is 10.1.1.100). Then, you added the following A on the routerCL: rule 5 permit tcp source any destination 10.1.1.100 0.0.0.0 destination-port eq 23 rule 10 deny ip source any destination any Then you apply that ACL to the ingress direction of that router's serial interface. Which of the following types of packets will be allowed to pass through this router? ( confirmed)
- A. Packets that are not the first fragment and use port 23 to access the server
- B. Non-first fragmented packets to access other hosts
- C. Packets that are not the first fragment and use port 21 to access the server
- D. The first fragmented or non-fragmented packet that uses port 23 to access the server
- E. A non-fragmented packet using port 21 to access the server
Answer: A,C,D
NEW QUESTION 45
an existing AS-path-filter: ip as-path-filter 1 permit 100( 100)*( 400)*$, The As-path-fiter cannot match which AS-PATH Properties?
- A. 0
- B. 100 200 400
- C. 100 400
- D. 100 400 400 400
Answer: B
Explanation:
Explanation
regular expression
The * mark matches the preceding character 0 or more times, and $ marks the end of the string. All BCDs can match.
NEW QUESTION 46
Which of the commonly used routing policy tools in BGP can be used to filter routes?
- A. route-policy
- B. filter-policy
- C. traffic-policy
- D. ip extcommunity- filterr
Answer: A,B,D
NEW QUESTION 47
What is wrong about the functional description of OSPFv3 protocol authentication?
- A. OSPFv3 can only use manual mode to establish SA SA
- B. OSPThe Autype and Authentication fields are removed from the Fv3 protocol header
- C. OSPFv3 authentication relies on the authentication header and encapsulating security payload header of IPv6 packets
- D. OSP for routerFv3 IPSec authentication can support not only transport mode, but also tunnel mode
Answer: D
NEW QUESTION 48
OSPF There will definitely not be a type of LS in the stub areaA
- A. Type7
- B. Type5
- C. Type4
- D. Type3
Answer: A,B,C
Explanation:
Explanation
The stub stub area cannot import external routes and type 5 LSAs, and cannot have ASBsR, also does not allow Type 7 LSAs, so there is no Type 4 LSA either.
NEW QUESTION 49
The routing attributes of the three routing entries are shown in the figure. Assuming that the next hops of the three routing entries are reachable, when the three routing entries arrive at the BGP router in sequence, by default, which routing entry will be preferred by BGP in the end ?
- A. Route B
- B. Route B and Route
- C. will be selected at the same time-and form load sharing
- D. Route CB, Route A
Answer: D
NEW QUESTION 50
One of the things you're doing is compressing the length of IPv6 addresses as much as possible. Existing IPv6address is
2013:0000:130F:0000:0000:09C0:876A:130B, in order to make the IPv6 address more concise, the IPv6 address can be compressed into the followingWhich one?
- A. 2013:0:130F:0:0:09C0:876A:130B
- B. 2013:0:130F::9C0:876A:130B
- C. 213::130F::9C:876A:13B
- D. 2013:0:130F:0:0:9C0:876A: 130B
- E. 2013::130F::9C0:876A:130B
Answer: B
NEW QUESTION 51
Which of the following statements is false about TCP's sliding window? (Multiple Choice)
- A. TCPSliding window allows multiple packets to be sent before an acknowledgment is received
- B. Sliding window size can only increase or stay the same
- C. The sender does not need to transmit the full window size of the message
- D. After the retransmission timer expires, the sender has not received the acknowledgment and will retransmit the unacknowledged data
- E. The sender announces the initial window size
- F. The receiver needs to confirm the data packet of the sender
Answer: B,E
NEW QUESTION 52
About PIM-Description of He1lo message in SM, what is wrong?
- A. at P1M- In the SM network, the newly started multicast router needs to useHello message to discover neighbors and maintain neighborsresidential relationship
- B. Used periodically between routersHello, keep in touch
- C. pass throughHe11o message elects DR in multi-router network segment
- D. Hello packets are sent to the multicast address 224.0.0.5
Answer: D
NEW QUESTION 53
Different IS-IS of the same routerBetween processes, link state information is isolated by default.
- A. FALSE
- B. TRUE
Answer: B
NEW QUESTION 54
As shown in the figure, in a medium-sized network, in order to improve RR reliability, BGP generally deploys dual RRs. When deploying dual RRs, the Cluster IDs of the two RRs are generally set to be the same. What is the reason for this?
- A. prevent suboptimal
- B. Prevent the client from receiving too many routes and causing it to run out of memory
- C. prevent loops
- D. preventRR receives too many routes and causes insufficient memory
Answer: D
NEW QUESTION 55
R3 andR1 IS-IS The neighbor is not established. According to the information in this picture, what is the possible reason? (single choice)
- A. R3 and R1 have different area numbers
- B. R3 andR1 IIH Authentication failed
- C. R3 andR1 IS-Leve1 Do not match
- D. R3 andR1 Systemm ID Repeat
Answer: D
NEW QUESTION 56
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