Question 1

What is the purpose of the DHCPv6 Guard?

Options :

A : It messages between a DHCPv6 server and a DHCPv6 client ( or relay agent).

B : It shows that clients of a DHCPv5 server are affected.

C : It block DHCPv6 messages from relay agents to a DHCPv6 server.

D : It allows DHCPv6 replay and advertisements from (rouge) DHCPv6 servers.

Answer: A

Question 2

Refer to the exhibit.

AS65510 iBGP is configured for directly connected neighbors. R4 cannot ping or traceroute network 192 168.100.0/24 Which action resolves this issue?

Options :

A : Configure R4 as a route reflector server and configure R1 as a route reflector client

B : Configure R1 as a route reflector server and configure R2 and R3 as route reflector clients

C : Configure R4 as a route reflector server and configure R2 and R3 as route reflector clients.

D : Configure R1 as a route reflector server and configure R4 as a route reflector client

Answer: D

Question 3

A customer is running an mGRE DMVPN tunnel over WAN infrastructure between hub and spoke sites. The existing configuration allows NHRP to add spoke routers automatically to the multicast NHRP mappings. The customer is migrated the network from IPv4 to the IPv6 addressing scheme for those spokes’ routers that support IPv6 and can run DMVPN tunnel over the IPv6 network. Which configuration must be applied to support IPv4 and IPv6 DMVPN tunnel on spoke routers?

Options :

A : Tunnel mode ipv6ip 6to4

B : Tunnel mode ipv6ip isatap

C : Tunnel mode ipv6ip auto-tunnel

D : Tunnel mode ipv6ip 6rd

Answer: C

Question 4

Refer to the exhibit.

Which action adds the 10 1 7.6-32 route to the BGP table?

Options :

A : Add a static roue for the 10 1 7 &32 network

B : Add the network 10.1.7.6 mask 255.255.255.255 backdoor command

C : Add summaty-address10.1.7.6.255.255.2550

D : Add the network 10.1.7.6 mask 255.255.255.255 command

Answer: D

Question 5

Refer to the following output:

Router#show ip nhrp detail

10.1.1.2/8 via 10.2.1.2, Tunnel1 created 00:00:12, expire 01:59:47

TypE. dynamic, Flags: authoritative unique nat registered used

NBMA address: 10.12.1.2

What does the authoritative flag mean in regards to the NHRP information?

Options :

A : It was obtained directly from the next-hop server.

B : Data packets are process switches for this mapping entry.

C : NHRP mapping is for networks that are local to this router.

D : The mapping entry was created in response to an NHRP registration request.

E : The NHRP mapping entry cannot be overwritten.

Answer: A

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