quiz – تعلم الشبكات

1. A local router shows an EBGP neighbor in the Active state. Which statement is true about the local router?

A.The local router has active prefix in the forwarding table firom the neighboring router

B.The local router is attempting to open a TCP session with the neighboring router.

C.The local router is receiving prefixes from the neighboring router and adding them in RIB-I

D.The local router has BGP passive mode configured for the neighboring router

Question 1 of 8

2. Refer to the exhibit. Which configuration establishes EBGP neighborship between these two directly connected neighbors and exchanges the loopback network of the two routers through BGP?

A. R1(config)#router bgp 1 R1(config-router)#neighbor 192.168.10.2 remote-as 2 R1(config-router)#network 10.1.1.0 mask 255.255.255.0 R2(config)#router bgp 2 R2(config-router)#neighbor 192.168.10.1 remote-as 1 R2(config-router)#network 10.2.2.0 mask 255.255.255.0

B.R1(config)#router bgp 1 R1(config-router)#neighbor 10.2.2.2 remote-as 2 R1(config-router)#network 10.1.1.0 mask 255.255.255.0 R2(config)#router bgp 2 R2(config-router)#neighbor 10.1.1.1 remote-as 1 R2(config-router)#network 10.2.2.0 mask 255.255.255.0

C.R1(config)#router bgp 1 R1(config-router)#neighbor 10.2.2.2 remote-as 2 R1(config-router)#neighbor 10.2.2.2 update-source lo0 R1(config-router)#network 10.1.1.0 mask 255.255.255.0 R2(config)#router bgp 2 R2(config-router)#neighbor 10.1.1.1 remote-as 1 R2(config-router)#neighbor 10.1.1.1 update-source lo0 R2(config-router)#network 10.2.2.0 mask 255.255.255.0

D.R1(config)#router bgp 1 R1(config-router)#neighbor 192.168.10.2 remote-as 2 R1(config-router)#network 10.0.0.0 mask 255.0.0.0 R2(config)#router bgp 2 R2(config-router)#neighbor 192.168.10.1 remote-as 1 R2(config-router)#network 10.0.0.0 mask 255.0.0.0

Question 2 of 8

3. Refer to the exhibit. Which IP address becomes the next active next hop for 192.168.102.0/24 when 192.168.101.2 fails?

R1#show ip bgp
BGP table version is 32, local router ID is 192.168.101.5
Status codes: s suppressed, d damped, h history, * valid, > best, i - internal,
              r RIB-failure, S Stale
Origin codes: i - IGP, e - EGP, ? - incomplete

   Network          	Next Hop         Metric LocPrf Weight Path         
*  192.168.102.0	192.168.101.18       80             0 64517 i
*                       192.168.101.14       80     80      0 64516 i
*                       192.168.101.10                      0 64515 64515 i
*>                      192.168.101.2                       0 64513 i
*                       192.168.101.6               80      0 64514 64514 i

A.192.168.101.6

B.192.168.101.18

C.192.168.101.14

D.192.168.101.10

Question 3 of 8

4. What is the correct EBGP path attribute list, ordered from most preferred to the least preferred, that the BGP best-path algorithm uses?

A.local preference, weight, AS path, MED

B.local preference, weight, MED, AS path

C. weight, local preference, AS path, MED

D.weight, AS path, local preference, MED

Question 4 of 8

5. Refer to the exhibit.An engineer must ensure that all traffic leaving AS 200 will choose Link 2 as the exit point. Assuming that all BGP neighbor relationships have been formed and that the attributes have not been changed on any of the routers, which configuration accomplish task?

A.BR3(config-router)#neighbor 10.1.1.1 weight 200

B.R4(config-router)#bgp default local-preference 200

C.R3(config-router)#bgp default local-preference 200

D. R4(config-router)#neighbor 10.2.2.2 weight 200

Question 5 of 8

6. Refer to the exhibit.

An engineer must establish eBGP peering between router R3 and router R4. Both routers should use their loopback interfaces as the BGP router ID. Which configuration set accomplishes this task?

A.R3(config)#router bgp 200 R3(config-router)#neighbor 10.24.24.4 remote-as 100 R3(config-router)#bgp router-id 10.3.3.3 R4(config)#router bgp 100 R4(config-router)#neighbor 10.24.24.3 remote-as 200 R4(config-router)#bgp router-id 10.4.4.4

B.R3(config)#router bgp 200 R3(config-router)#neighbor 10.24.24.4 remote-as 100 R3(config-router)#neighbor 10.24.24.4 update-source loopback0 R4(config)#router bgp 100 R4(config-router)#neighbor 10.24.24.3 remote-as 200 R4(config-router)#neighbor 10.24.24.3 update-source loopback0

C.R3(config)#router bgp 200 R3(config-router)#neighbor 10.4.4.4 remote-as 100 R3(config-router)#neighbor 10.4.4.4 update-source loopback0 R4(config)#router bgp 100 R4(config-router)#neighbor 10.3.3.3 remote-as 200 R4(config-router)#neighbor 10.3.3.3 update-source loopback0

Question 6 of 8

7. Refer to the exhibit. Which two commands are needed to allow for full reachability between AS 1000 and AS 2000? (Choose two)

A.R2#network 192.168.0.0 mask 255.255.0.0

B.R2#network 209.165.201.0 mask 255.255.192.0

C.R2#no network 10.0.0.0 255.255.255.0

D.R1#network 19.168.0.0 mask 255.255.0.0

E.R1#no network 10.0.0.0 255.255.255.0

Question 7 of 8

8. Refer to the exhibit.

An engineer must ensure that all traffic leaving AS 200 will choose Link 2 as an entry point. Assuming that all BGP neighbor relationships have been formed and that the attributes have not been changed on any of the routers, which configuration accomplish task?

Option AR3(config)#route-map PREPEND permit 10 R3(config-route-map)#set as-path prepend 200 200 200R3(config)# router bgp 200 R3(config-router)#neighbor 10.1.1.1 route-map PREPEND out	Option BR3(config)#route-map PREPEND permit 10 R3(config-route-map)#set as-path prepend 100 100 100R3(config)# router bgp 200 R3(config-router)#neighbor 10.2.2.2 route-map PREPEND in
Option CR3(config)#route-map PREPEND permit 10 R3(config-route-map)#set as-path prepend 100 100 100R3(config)# router bgp 200 R3(config-router)#neighbor 10.1.1.1 route-map PREPEND in	Option DR3(config)#route-map PREPEND permit 10 R3(config-route-map)#set as-path prepend 200 200 200R3(config)# router bgp 200 R3(config-router)#neighbor 10.2.2.2 route-map PREPEND out

A.Option D

B.Option B

C.Option C

D.Option A

Question 8 of 8