问题:单选题How do you enable interface fe-0/0/0 under the [edit protocols isis] level to form both a Level 1 and Level 2 adjacency?()A set interface fe-0/0/0.0B set interface fe-0/0/0.0 all levelC set interface fe-0/0/0.0 level 3 enableD set interface fe-0/0/0.0 level 1 level 2
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问题:单选题What is the purpose of the OSPF link-state update packet?()A describes a change to the OSPF hello timerB carries one or more link-state advertisementsC establishes and maintains neighbor relationshipsD describes the contents of the entire link-state database
问题:单选题By default, which command can be used to display information about packets that have been logged with the syslog firewall filter action?()A show logB show firewallC show log messagesD show firewall log
问题:单选题Which CLI command is used to see the current OSPF link-state database?()A show ospf databaseB show ospf neighborC show protocols ospfD show ospf link-state
问题:多选题What are two purposes of the AS_PATH attribute?()Aroute selectionBloop avoidanceCdetermining equal cost paths for reachabliltyDdefining the application of other BGP attributes
问题:多选题What are two ways that a valid IBGP peering session can be configured?()Avia the accept x.x/y commandBvia TCP reachable physical interface addressesCvia remote loopbacks with the local-address commandDvia UDP with the neighbor x.x.x.x command at the group level
问题:单选题During OSPF adjacency formation, in what state is a router when it is negotiating to be in charge of the database synchronization process?()A InitB 2WayC ExStartD Exchange
问题:单选题How often are IS-IS Hello packets transmitted?()A 3 seconds for DIS; 9 seconds for non-DISB 9 seconds for DIS; 3 seconds for non-DISC 10 seconds for DIS; 3 seconds for non-DISD 10 seconds for all routers
问题:单选题Three IS-IS routers on a broadcast segment have different priority values configured. Which router is elected the DIS on that broadcast segment?()A the router with the lowest priorityB the router with the highest priorityC the router with the highest System IDD the router with the highest IP address
问题:多选题Firewall filters can be used to accept, discard, or reject packets based on ()Aprotocol typeBMAC addressCTCP or UDP portDsource and destination IP address
问题:单选题Two Level 2 routers are exchanging Hello packets with different Area IDs. What occurs between these routers?()A An Adjacency forms.B An Adjacency does not form.C An Adjacency forms but traffic is not forwarded.D No IS-IS PDUs are sent.