單項(xiàng)選擇題PassGuide has a BGP network and a BGP route of 197.22.129.0/24 that should be propagated to all of the devices. The route is currently not in any of the routing tables. The PassGuide administrator determines that an access list is the cause of the problem. The administrator changes the access list to allow this route, but the route still doesnot appear in any of the routing tables. What should be done to propagate this route()

A.Use the service-policy command to adjust the QOS policy to allow the route to propagate.
B.Clear the BGP session.
C.Use the release BGP routing command.
D.Change both the inbound and outbound policy related to this route.
E.None of the other alternatives apply


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1.單項(xiàng)選擇題

The network is shown below, along with the relevant router configurations:

With the topology found in the graphic, what will the R1 loopback 0 be in the R3 routing table?()

A.It will show up in the routing table as D 10.0.0/8
B.It will show up in the routing table as D EX 10.0.0.0/8
C.It will show up in the routing table as D 10.0.0./24
D.It will not show up in R3 routing table because there is no network command on R1

2.單項(xiàng)選擇題Which IOS command would you enter if you wanted to view a list of IBGP and EBGP neighbor relationships that are configured()

A.show ip bgp
B.show ip bgp paths
C.show ip bgp peers
D.show ip bgp summary
E.show ip bgp protocols

5.多項(xiàng)選擇題EIGRP is being used as the routing protocol on the company network. While troubleshooting somenetwork connectivity issues, you notice a large number of EIGRP SIA (Stuck in Active) messages.What causes these SIA routes?()

A.The neighboring router stops receiving ACK packets from this router
B.The neighboring router starts receiving route updates from this router
C.The neighboring router is too busy to answer the query (generally caused by high CPUutilization)
D.The neighboring router is having memory problems and cannot allocate the memory to processthe query or build the reply packet

6.多項(xiàng)選擇題In computer networking a multicast address is an identifier for a group of hosts that have joined amulticast group. Multicast addressing can be used in the Link Layer (OSI Layer 2), such as Ethernet Multicast, as well as at the Internet Layer (OSI Layer 3) as IPv4 or IPv6 Multicast. Whichtwo descriptions are correct regarding multicast addressing?()

A、The first 23 bits of the multicast MAC address are 0x01-00-5E. This is a reserved value thatindicates a multicast application
B、The last 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application
C、To calculate the Layer 2 multicast address, the host maps the last 23 bits of the IP address intothe last 24 bits of the MAC address. The high-order bit is set to 0
D、The first 3 bytes (24 bits) of the multicast MAC address are 0x01-00-5E. This is a reservedvalue that indicates a multicast application

7.單項(xiàng)選擇題Which IOS command would you use to find out which networks are routed by a particular OSPF process()

A.show ip ospf
B.show ip route
C.show ip protocols
D.show ip ospf database
E.None of the other alternatives apply

8.單項(xiàng)選擇題At which layer of the OSI model does the Spanning Tree Protocol (STP) operate at?()

A.Layer 5
B.Layer 4
C.Layer 3
D.Layer 2
E.Layer 1

9.單項(xiàng)選擇題Which command would display OSPF parameters such as filters,default metric,maximum paths,and number of areas configured on a outer()

A.show ip protocol
B.show ip route
C.show ip ospfinterface
D.show ip ospf
E.show ip nterface
F.None of the other alternatives apply

10.多項(xiàng)選擇題An OSPF link can be in multiple states at any givenmoment(ie.Exstart,exchange,full). Which two IOS commands let you view the state of the link()

A.show ip ospf
B.show ip protocols
C.show ip ospfneighbor
D.show ip ospfinterface

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