Question 1

What is the difference between basic IS-IS and OSPF packet types?

Options :

A : IS-IS and OSPF use area packets, but only IS-IS uses sequence number packets.

B : IS-IS and OSPF use link-state update packets, but only OSPF uses link-state ACK packets.

C : IS-IS and OSPF use Hello packets, but only OSPF uses DBD packets.

D : IS-IS and OSPF use link-state update packets, but only IS-IS uses DBD packets.

Answer: C

Question 2

Refer to the exhibit.

R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3

is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between

BGP peers R1, R2 and R1, R3 is true?

Options :

A : The BGP session does not come up between R1 and R2 and between R1 and R3.

B : The BGP session comes up between R1 and R2 and between R1 and R3.

C : The BGP session comes up between R1 and R3, but not between R1 and R2.

D : The BGP session comes up between R1 and R2, but not between R1 and R3

Answer: B

Question 3

RPL has several fundamental capabilities that differ from those present in configurations oriented to traditional route maps Routing policy language introduces the notion of sets Which group of set types is valid in RPL?

Options :

A : acl-path-set community-set pre-community-set prefix-set and bgp-set

B : as-path-set community-set. extcommunity-set prefix-set and rd-set

C : access-control-set, community-set post-community-set pre-prefix-set and routed-set

D : route-path-set, community-set in-community-set prefix-set and rd-set

Answer: B

Question 4

What is the function of BGP confederations?

Options :

A : They require routers to use private AS numbers.

B : They eliminate the need for a fully-meshed internal BGP design.

C : They enable a single device to distribute a common configuration to its peers

D : They assign an external BGP router to serve as the route reflector

Answer: B

Question 5

Which feature is used in multicast routing to prevent loops?

Options :

A : STP

B : inverse ARP

C : RPF

D : split horizon

Answer: C