Huawei Routing & Switching H12-261 Questions & Answers

• Question 481:

  As shown in the figure, in the context of the IPv4 IPv6 ISIS NET SEL 00 ring, the address in the field begins with the final value.

  

  A. Correct

  B. Error

  Correct Answer: A

• Question 482:

  About the sliding window TCP ( ) action, which of the following description is the error? Multiple selection

  A. When the repeater is over-timed, the sender does not receive the confirmation, and the data will be unrecognized.

  B. Sending the transmission end does not require a full window size

  C. TCP Sliding window allows multiple packets to be sent before receiving the acknowledgment

  D. Sliding window size can only increase or remain unchanged

  E. The sender announces the initial window size

  Correct Answer: DE

• Question 483:

  OSPFv3 OSPFv2 OSPFv3 protocol Single-issue protocol is a separate one. It differs from the other in

  terms of road-based rather than network segment chain.

  The next thing is to say the mistake ?

  A. Two routers connected to the link, even if their IPv6 addresses are differently suffixed, they can still establish a neighbor relationship.

  B. Pairing the two routers connected to the road, even if you do not configure the broadcast IPv6 address, you can establish a neighbor.

  C. The OSPFv3 Link-local router obtains the next hop of the neighboring address from the neighboring routing information.

  D. In addition to the virtual connection, all interfaces use the address of the address composition OSPFv3 Link-local

  Correct Answer: D

• Question 484:

  What is correct about the following description? Filter-policy

  A. In the middle, Filter-Policy, OSPF ASBR type 5 LSA type 7 LSA can be generated for filtering

  B. The previous list can be used for both route suffix filtering and packet filtering.

  C. Filter-Policy can receive or route the information line to filter the chain status, and modify the attributes of the route entry.

  D. Pre-use list When route filtering is applied, the entry ip ip-prefix 1 deny 0.0.0.0 0 less-equal 32 means that only the default route is matched.

  Correct Answer: A

• Question 485:

  ISIS DIS DIS ?( ) will access the election in the broadcast multiplex network. The following is correct.

  A. ISIS DIS MAC is better than the first-ranked election. If it is consistent, it is better than the priority.

  B. DIS CSNP is sent periodically to send messages to keep the data synchronization certificate

  C. Accessing the network in a broadcast multiplex network, sending DIS Hello PDUs at a rate of three times

  D. DIS DIS LSP support occupies the function, the new one occupies the success, does not need to flood any text

  Correct Answer: ABC

• Question 486:

  The following about the attribute BGP RD ( ) filter, is the description correct? Multiple selection

  A. If configured, but the route does not match any of the specified RD-filter RD RD Permit rules, the default match is then recognized.

  B. The use of the RD-filter " configuration is the relationship between rules or

  C. If there is no configuration, but reference RD-filter RD-filter deny, this is the filter line, the match is the result

  D. Multiple, according to the configuration, the line matching rules

  Correct Answer: BD

• Question 487:

  Which of the following may affect the establishment of the option IBGP ( ) neighbor? Multiple selection

  A. Authentication is unsuccessful

  B. The BGP protocol version is inconsistent

  C. IBGP ?Multi-hop not configured

  D. IGP routing is unreachable

  Correct Answer: ABD

• Question 488:

  In which port can provide a copy of the path to the generated root point RSTP sufficient tree section?

  What is the port?

  A. Alternate Learning port and status

  B. Alternate Forwarding Port and Status

  C. Root port and shape Listening state

  D. Designate Listening port and status

  E. Alternate Discarding port and status

  Correct Answer: E

• Question 489:

  The following description of the process of receiving data in the Access mode for the exchange interface is correct?

  A. Access mode directly discards the data frame with the tag

  B. Only receive data in Access mode with label frame

  C. Data The destination modification frame MAC address in the opportunistic data when the input interface frame is changed.

  D. In the Access VLAN mode, the send frame will be stripped of the data.

  Correct Answer: D

• Question 490:

  When a deployed LAN line goes wrong with a Huawei device, there are a large number of unknown sources in your LAN that discover the broadcast frame of the MAC address. a lot of unknown The source address broadcast will pay MAC single frame. What is the biggest harm to the change?

  A. Consume available bandwidth

  B. Increase the power consumption of the source

  C. Occupied memory slow frame

  D. The available MAC address entries in the consumption system

  E. Occupation table TCAM item

  Correct Answer: D