單項選擇題You are the administrator of a company with BGP connections to multiple ISP’s. How could youconfigure BGP to make it favor one particular ISP for outbound traffic?()

A.Configure weight
B.Enable route reflector
C.Create a distribute list
D.Enable the Longer Autonomous System path option
E.All of the above


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1.單項選擇題Router R1 needs to be configured to advertise a specific network. Which of the followingcommands would you use if you wanted to advertise the subnet 154.2.1.0 255.255.255.0 to the EBGP neighbors on your subnet?()

A.Router (config-router)#network 154.2.1.0
B.outer (config-router)#network 164.2.1.0
C.Router (config-router)#network-advertise 154.2.1.0
D.Router (config-router)#network 154.2.1.0 mask 255.255.255.0
E.None of the other alternatives apply

2.單項選擇題

The BGP routing table consists of the following network routes:

What is the correct command to summarize these prefixes into a single summary prefix of192.168.12.0/22 while also allowing for the advertisement of the more specific prefixes?()

A.network 192.168.12.0 mask 255.255.252.0
B.network 192.168.12.0 mask 0.0.3.255
C.network 192.168.12.0
D.aggregate-address 192.168.12.0 255.255.252.0
E.aggregate-address 192.168.12.0 255.255.252.0 summary-only
F.aggregate-address 192.168.12.0 255.255.252.0 as-set

3.單項選擇題Router R-1 is configured for BGP routing as shown below: router bgp 65300network 27.0.0.0neighbor 192.23.1.1 remote-as 65300 From the perspective of router R-1, what kind of router is the router with IP address 192.23.1.1?()

A.A peer router running IBGP
B.A peer router running EBGP
C.A community member running IBGP
D.A peer group member running IBGP
E.A peer group member running EBGP

5.單項選擇題The network consists of a series of routers that are all configured for IBGP. Which one of thefollowing IBGP characteristics is true?()

A.The IBGP routers must always be fully meshed
B.The IBGP routers can be in a different AS
C.The IBGP routers must be directly connected
D.The IBGP routers do not need to be directly connected
E.None of the other alternatives apply are true

7.多項選擇題

Refer to the exhibit. All routers are configured for BGP. EBGP routes received on router R2 showup in the BGP table on routers R1 and R3 but not in their IP routing tables. What would causethis?()

A.EBGP multihop is not configured on routers R1 and R3
B.Routers R1 and R3 do not receive the same routes via an IGP
C.Synchronization in autonomous system 100 is turned is on
D.The BGP routers in autonomous system 100 are not logically fully-meshed
E.Synchronization in autonomous system 100 is turned is off

8.多項選擇題Refer to the exhibit. On the basis of the information in the exhibit, which two statements are true?()

A.When traffic is sent from the ISP to autonomous system 64512, the traffic will be forwarded toSanJose2 because of the higher MED value of SanJose2
B.The serial 0/0/1 interface on the ISP router has been configured with the set metric 50command
C.The output was generated by entering the show ip bgp command on the SanJose1 router
D.The output was generated by entering the show ip bgp command on the ISP router
E.The serial 0/0/1 interface on the ISP router has been configured with the set metric 75command
F.When traffic is sent from the ISP to autonomous system 64512, the traffic will be forwarded toSanJose1 because of the lower MED value of SanJose1

9.單項選擇題

Refer to the exhibit. Router RT3 discovers network 202.176.56.0 via BGP. Which one of thesestatements is true?()

A.RT1 advertised network 202.176.50.0/24 with a metric of 782
B.RT3 is directly connected to RT1 using subnet 192.168.1.0
C.RT3 has an IGP metric of 782 to reach 192.168.1.1
D.RT3 has a BGP metric of 782 to reach 192.168.1.1
E.RT1 advertised network 202.176.50.0/24 with a metric of 1000
F.RT3 has an IGP metric of 1782 to reach 202.176.56.0/24

10.多項選擇題Which of the following are shared distribution tree characteristics()

A.Memory  requirements are higher for shared distribution tree than for source distributiontree.
B.Creates a tree from a central RP to all last-hoprouters.
C.Uses a rendezvous point.
D.An optimal path is created between each source router and each last-hoprouter.
E.Place(S,G)entry in each router’smulticast routing table.
F.Place(*,G)entry in a router’smulticast routing to table.

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