New Year Sale Special - Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: sntaclus

examout.co

A confederated AS is comprised of three members. One member is comprised of 4 routers, while the other two members are comprised of 3 routers each. Assuming member ASs are fully meshed and use full mesh iBGP, what is the required number of BGP sessions within the confederation?

A.

12

B.

13

C.

14

D.

15

Which of the following regarding the atomic aggregate attribute is TRUE?

A.

It is an optional transitive attribute.

B.

It is an optional non-transitive attribute.

C.

The atomic aggregate flag is always set if the aggregator attribute is set.

D.

The atomic aggregate flag is always set if the AS Path information is lost due to aggregation.

Click the exhibit.

AS 65550 owns CIDR block 10.64.0.0/12. Router R6 advertises the aggregate 10.64.0.0/12 to AS 65541 with "as-set" enabled. Which of the following is TRUE regarding the aggregate route received by router R7?

A.

The AS Path is set to 65540, and the Atomic Aggregate flag is set.

B.

The AS Path is set to 65540 65550, and the Atomic Aggregate flag is set.

C.

The AS Path is set to 65540 65550, and the Atomic Aggregate flag is not set.

D.

The AS Path is set to 65550, and the Atomic Aggregate flag is not set.

Why is a full mesh of iBGP peers required?

A.

To ensure proper route propagation inside a transit AS.

B.

To ensure that all routers are directly connected.

C.

To ensure that all routers run iBGP inside a transit AS.

D.

To maximize control plane scalability.

What happens to a route that is rejected by an import policy on an Alcatel-Lucent 7750 SR?

A.

The route is discarded.

B.

The route is kept in the RIB-In, but marked as an invalid route.

C.

The route is moved to the LOC-RIB, but not marked as a used route.

D.

The route is moved to the route table, but not to the FIB.

Which of the following organizations would an ISP based in Europe approach for an IP prefix assignment?

A.

ARIN

B.

ICANN

C.

RIPE NCC

D.

LACNIC

E.

APNIC

Router R1, in AS 65540, has the export policy shown below. It advertises an aggregate route to eBGP peer router R2 in 65550. What is the AS Path of the aggregate route received by router R2?

A.

65540

B.

65540 1

C.

65540 65540

D.

65550 65540

Which of the following is NOT a goal of BGP routing policies?

A.

To protect external networks from instability.

B.

To communicate the architecture of an AS to external ASs.

C.

To protect the local AS and other external ASs from bad NLRI.

D.

To optimize ingress and egress traffic patterns to best serve the users of the AS.

Click the exhibit.

Router R2 receives a route to 192.168.1.0/27 from router R4, and sets the local preference to 110. Router R1 receives a route to 192.168.1.0/27 from router R3, and sets the local preference to 80. Both ASs have a full iBGP mesh. What path does traffic destined to 192.168.1.0/27 take from router R1?

A.

R1-R3-R8

B.

R1-R2-R4-R8

C.

R1-R3-R4-R8

D.

R1-R2-R4-R3-R8

Which of the following statements regarding BGP control plane convergence is FALSE?

A.

Core and edge node failure recovery depends on IGP convergence.

B.

Edge neighbor failure is detected by the eBGP session timeout.

C.

BGP control plane convergence is independent of number of affected prefixes.

D.

Upon BGP control plane convergence, an optimal path is installed in the FIB.

The user of an Alcatel-Lucent 7750 SR wants to see the effect of changing an import policy immediately. What is the best command to force re-evaluation of the import policy with minimal impact?

A.

Configure router bgp shutdown

B.

Clear router bgp neighbor soft

C.

Clear router bgp neighbor soft-inbound

D.

Clear router bgp protocol

Click the exhibit.

Which of the following can be used by router R4 in AS 65542 to reject all routes originating in AS 65540?

A.

An import policy that rejects updates with an AS Path matching the regular expression ".+ 65540 .+".

B.

An import policy that rejects updates with an AS Path matching the regular expression ".+ 65540".

C.

An import policy that rejects updates with an AS Path matching the regular expression "65540 .+".

D.

An import policy that rejects updates with an AS Path matching the regular expression "65540".

An Alcatel-Lucent 7750 SR is configured with a policy to export directly-connected networks to BGP. Which of the following commands verifies that the export was successful?

A.

show router route-table

B.

show router bgp routes

C.

show router bgp routes hunt

D.

show router bgp neighbor received-routes

Which of the following prefix lists include prefixes 192.168.128.0/17 and 192.168.64.0/18?

A.

Prefix list 192.168.0.0/16 through 18.

B.

Prefix 192.168.0.0/17 longer.

C.

Prefix list 192.168.0.0/17 through 18.

D.

Prefix 192.160.0.0/13 longer.

Click the exhibit.

Given the following configuration for router R1, what is the expected Next Hop for prefix 192.168.1.0/27 as seen on router R2?

A.

10.0.2.1

B.

10.0.2.2

C.

10.16.10.1

D.

10.16.10.3