Question 1

Which of the following is true regarding IPsec Pre-fragmentation (Look-Ahead Fragmentation)? (Choose two.)

Options :

A : Operates in tunnel mode only

B : Operates in transport mode only

C : Is used to help in the overall IPsec throughput since the end host is able to avoid packet reassembly after packet decryption.

D : Is not dependent on the MTU of the physical interface used for IPsec.

E : Does not support Path MTU Discovery

Answer: A,C

Question 2

At which layer of the OSI model is an MPLS label imposed?

Options :

A : Layer 2

B : Layer 3

C : Between layers 2 and 3

D : Between layers 3 and 4

Answer: C

Question 3

Which statement about route distinguishers in an MPLS network is true?

Options :

A : Route distinguishers allow multiple instances of a routing table to coexist within the edge router.

B : Route distinguishers are used for label bindings.

C : Route distinguishers make a unique VPNv4 address across the MPLS network.

D : Route distinguishers define which prefixes are imported and exported on the edge router.

Answer: C

Question 4

Refer to the exhibit.

R1 and R2 are configured for EIGRP peering using authentication and the neighbors failed to come up. Which action resolves the issue?

Options :

A : Configure a matching key-id number on both routers

B : Configure a matching lowest key-id on both routers

C : Configure a matching key-chain name on both routers

D : Configure a matching authentication type on both router

Answer: A

Question 5

Refer to the exhibit.

A user has set up an IP SLA probe to test if a non-SLA host web server on IP address 10.1.1.1 accepts HTTP sessions prior to deployment. The probe is failing. Which action should the network administrator recommend for the probe to succeed?

Options :

A : Re-issue the ip sla schedule command.

B : Add icmp-echo command for the host.

C : Add the control disable option to the tcp connect.

D : Modify the ip sla schedule frequency to forever.

Answer: C