H12-221-ENU

About alarm information “OSPF/2/IFAUTFAIL (OID) [1.3.6.1.2.1.14.16.2.6]: A packet is received on a non-virtual interface from a muter whose authentication key or authentication type conflicts with the local authentication key or authentication type. （ IfIpAddress=[ip-address], AddressLessIf=[interface-index], ProcessId=[process-id], RouterId=[muter-id], PacketSrc=[source-ip-address],ConfigErrorType=[error-type], PacketType=[packet-type], InstanceName=[instance-name] ） ” which description is wrong?A . It may be...

Each DD packet has DD sequence number, which is used to confirm the DD packet. DD contains complete link status information.A . TrueB . FalseView AnswerAnswer: B

About the descriptions of LSA of various messages, which is wrong?A . The DD type LSA contains only the summary information of the LSA, that is, the LS Type, LS ID, Advertising Router and LS Sequence Number.B . The LS Request message contains only the LS Type, LS ID, and...

Which of the following description of OSPF features is correct?A . The OSPF area boundary is on the link.B . OSPF is in the broadcast network. All routers form adjacencies.C . If one LSA must age, any router can advertise LSA aging messages.D . Generally, all non-backbone areas of OSPF...

Which of the following routes meet the following ACL conditions? (Multiple choices) A . 10.1.1.1/32B . 10.1.2.1/32C . 10.1.3.1/32D . 10.1.4.1/32View AnswerAnswer: AC

In the RSTP protocol, the uplink port of the non-root switch has the parameter of the port identifier. The port identifier consists of two parts, they are:A . One-byte port priority and one-byte port numberB . One-byte port priority and two-byte port numberC . Two-byte port priority and one-byte port...

Which description of the OSPF protocol in the following is wrong?A . The area border router (ABR) connects multiple areas and maintains the same LSDB for all areas.B . The metric value of AS-external-LSA can be specified when external routes are imported. The default value is 1.C . The external...

Which is correct about OSPF AS-External-LSA? (Multiple choices) A. Link State ID is set as the destination network segment address. B. Advertising Router is set to ASBR Router ID. C. Net mask is set to all 0. D. Link State ID and the Advertising Router can uniquely identify an AS-External-LSA.View...

If BGP route load balancing is configured, if there are two BGP routes, the two BGP routes in the "BGP Route Selection Rule". If the first 8 attributes described are exactly the same, and the AS_Path attribute is also the same, how do you advertise this prefix route to neighbors?A...

Which of the following description of the distribution tree is correct?A . The multicast source is root, the multicast distribution tree that the multicast group members as leaves called RPC . The RP (Rendezvous Point) is root, the multicast distribution tree that the multicast group members as leaves called SPE...