exam

MSTP solves many shortcomings of the single spanning tree of RSTP and STP. Regarding the MSTP, which of the following description is correct?A . Each MST INSTANCE uses a separate STP algorithm to calculate a separate spanning treeB . Each MST INSTANCE has an identifier, MSTID is a one-byte integerC...

Which of the following description of OSPF message verification is wrong?A . The verification modes supported by AR2200 are divided into NULL SIMPLE MD5 and HMAC-MD5 according to the different methods specified in the encryption protocol.B . AR2200 supports two authentication methods: area verification and interface verificationC . When regional...

In OSPF, the DR and BDR elected in the broadcast type network listen to both the 240.0.0.5 address and the 24.0.0.6 address.A . TrueB . FalseView AnswerAnswer: A

When the BGP versions supported by two BGP neighbors are inconsistent, the neighbors will negotiate to use the highest BGP version that both ends can support.A . TrueB . FalseView AnswerAnswer: B

OSPF runs directly on top of the TCP protocol, using TCP port number 179.A . TrueB . FalseView AnswerAnswer: B

Ethernet is currently the most mainstream local area network. What factors usually need to be considered when selecting an Ethernet network? (Multiple choice)A . Network speedB . Network mediaC . Network sizeD . Network hierarchyE . Packaging standardsView AnswerAnswer: AB

 Which of the following options is the work that needs to be done at the project planning stage? (Multiple Choice)A .  Determine the technical planB .  Understand the project backgroundC .  Choose network productsD .  Determine project requirementsE .  Plan IP addressView AnswerAnswer: BD

Which of the following troubleshooting methods instead of using the TCP/IP reference model as a theoretical basis?A .  Comparative configuration methodB .  From top to button methodC .  Bottom-up methodD .  Replacement methodView AnswerAnswer: A

What is the wrong description of the LSA header information in the AS-External-LSA of OSPF?A . Link state ID indicates the destination network addressB . Advertising Router represents the Router ID of ASBRC . Net mask represents the net mask of the destination network segmentD . Forwarding Address is always...

In the routing rules of BGP, the priority of the manually aggregated route generated by the AGGREGATE command is higher than the automatically aggregated route generated by the SUMMARY AUTOMATIC command.A . TrueB . FalseView AnswerAnswer: A