單項(xiàng)選擇題

A company uses Routers R1 and R2 to connect to ISP1 and ISP2, respectively, with Routers I1 and I2 used at the ISPs. R1 peers with I1 and R2; R2 peers with I2 and R1.
Assuming as many default s ettings as possible are used on all four routers, which of the following is true about the next - hop IP address for routes R1 learns over its iBGP connection to R2?（）

A. The next hop is I2's BGP RID
B. The next hop is I2's IP address used on the R2 - I2 neigh bor relationship
C. The next hop is R2's BGP RID
D. The next hop is R2's IP address used on the R1 - R2 neighbor relationship

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多項(xiàng)選擇題

The following output on Router R1 lists details of a BGP route for 190.1.0.0/16. Which of the following is true based on this output?（）
R1# show ip bgp 190.1.0.0/16
BGP routing table entry for 190.1.0.0/16, version 121
Paths: (1 available, best #1, table Default - IP - Routing - Table)
Advertised to update - groups:
1
1 2 3 4
1.1.1.1 from 2.2.2.2 (3.3.3.3)
Origin IGP, metric 0, localpref 100, valid, internal, best

A. R1 has a neighbor 1.1.1.1 command configured.
B. R1 has a neighbor 2.2.2.2 command configured.
C. The show ip bgp command lists a line for 190.1.0.0/16 with both a n > and an i on the left.
D. R1 is in ASN 1.

單項(xiàng)選擇題

The following output occurred as a result of the show ip bgp command on Router R1. The output shows all BGP table entries on R1. How many iBGP - learned routes exist on this router?（）
>i181.0.0.0/8 10.100.1.1 0 100 0 1 2 111 112 i
>i182.0.0.0/8 10.100.1.1 0 100 0 1 2 2 22 i
>i183.0.0.0/8 10.100.1.1 0 100 0 1 2 i
>i184.0.0.0/8 10.100.1.1 0 100 0 1 2 i
*> 192.135.250.0/28 192.168.1.6 0 3 4 i

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

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