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Question 1:

An engineer is troubleshooting L3VPN traffic loss over the MPLS-enabled core network when new core links were enable. Assuming that the IGP is properly configured, which issue causes a temporary data flow blackholing when the IGP and LDP reconverges?

A. MPLS-TE tunnels without LDP adjacencies are used over the new links black-holing the traffic before the LDP label exchange is completed

B. MP-BGP sessions between PE and RR routers require extra time to reconverge than the underlying IGP

C. IP packets are forwarded as soon as routes are learned over a new IGP adjancey before the label exchange happens over the new links

D. LDP is a Layer 2 protocol forwarding Label packets before the IGP reconverged

Correct Answer: C

Question 2:

Which technology is a forwarding decision point in a PE router that provides flexibility to make many Layer 2 flow decisions within an interface?

A. pseudowire



D. local connect


Correct Answer: E

Question 3:

Refer to the exhibit. Which BGP configuration must be applied to make PE3 use both BGP entries in the Cisco Express Forwarding table?

A. On PE1,apply nexto-hop-self on both PE2 and PE3 neighbors configuration

B. On the CE, apply bgp add-path on both PE1 and PE2 neighbors configuration

C. On PE1, apply route-reflect-client on both PE2 and PE3 neighbors configuration

D. On PE2, apply bgp advertise-best-external on the PE3 neighbor configuration

Correct Answer: D

Question 4:

Refer to the exhibit. The topology is an inter-AS VPN that is using Option B. Given the traceroute output from CE1 to CE2 .Which three options are VPN labels? (Choose two)

A. Label 17 for LSP 1

B. Label 21 for LSP 1

C. Label 24 for LSP 1

D. Label 17 for LSP 2

E. Label 20 for LSP 2

F. Label 21 for LSP 2

G. Label 17 for LSP 3

H. Label 20 for LSP 3

Correct Answer: BCH

Question 5:

Refer to the exhibit. A service provider uses RSVP-TE instead of LDP to exchange labels in the MPLS network. Different path must be defined per type of traffic. Which solution meet this requirement?





E. MPLS TE affinity attributes

Correct Answer: C

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Question 6:

Refer to the exhibit. A customer is running IS-IS within a network and is using BGP as a CE-PE routing protocol. Which action allows CE1 to get the subnet over the CE1-PE1 link, regardless of whether there is a flap in the MPLS link or backdoor link?

A. Configure the neighbor weight 33768 command on CE1 under the BGP process.

B. Configure the distance bgp 115 200 200 command on CE1 under the BGP process.

C. Configure the distance 30 ip command on CE1 under the IS-IS process.

D. Configure the distance bgp 115 200 200 command on CE2 under the BGP process.

E. Configure the neighbor weight 33768 command on CE2 under the BGP process.

Correct Answer: A

Question 7:

Refer to the exhibit the prefix is flapping when PE1 is flapping. Which action can fox this issue?

A. On PE2, allow only redistribution from BGP into IS-IS on PE3, allow only redistribution from IS-IS into BGP

B. On PE2 and PE3 reconfigure redistribute BGP into IS-IS using the metric-type external parameter

C. configure a sham link between PE2 and PE3

D. configure all IS-IS instances as level-1-only

Correct Answer: A

Question 8:

What is MPLS VPN component used by Multi-VRF solution?

A. Route target community

B. Route distinguisher

C. Default MDT

D. VPN forwarding

Correct Answer: B

Question 9:

Which multicast feature listens multicast conversations maintaining a map in order to control which ports receive specific multicast traffic?

A. Bidirectional PIM

B. Source Specific Multicast

C. PIM assertion

D. IGMP snooping

Correct Answer: D

Question 10:

What type of IPv6 address is the address FF05::2:260:8F908?

A. Multicast temporary site local

B. Multicast permanent node link local

C. Multicast permanent site local

D. Multicast permanent link local

Correct Answer: C

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