问题：单选题What command would you use to view an IS-IS adjacency?（）A show iso neighborB show isis neighborC show iso adjacencyD show isis adjacency
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问题：多选题A firewall filter is applied as an input filter on a transit interface. What three types of traffic will this affect? （）Ainbound traffic transiting the routerBoutbound traffic transiting the routerCtraffic destined to the Routing EngineDtraffic destined to the interface address on which the filter is applied
问题：多选题What are the three components of the ISO NET address?（）AArea IDBN-selectorCSystem IDDAS numberEISO numberFMAC address
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What is the first step in BGP route selection?（）A The local router prefers the route with the shortest as-path.B The router first verifies that it has a route to the bgp Next Hop IP address.C The local router prefers the route from the peer with the lowest peer id address.D The local router prefers the route learned from an ebgp peer over a route learned from an ibgp peer.
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：单选题Once the TCP connection is established, which message type initiates the BGP peering process?（）A OpenB ActiveC UpdateD KeepaliveE Notification
问题：单选题Why would you make a non-backbone area a stub or not-so-stubby area?（）A to aggregate routes learned from the ABRB to lower the cost of routes advertised by the ABRC to connect a non-contiguous area to the backboneD to decrease the size of the link-state database in that area
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If all OSPF routers on a broadcast network have the same OSPF priority, what parameter is used to determine the new BDR at the time of a DR failure?（）A area IDB router IDC loopback addressD IP address of interface on broadcast network
问题：单选题What type of OSPF router is responsible for redistributing routes into OSPF?（）A ABRB ASBRC internal routerD backbone router
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.
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
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
