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QUESTION 14
In the diagram below, a data packet is sent from CE1 to a far-end CE2 over a VPRN service across multiple regions. Which of the following statements about the tunnel labels is FALSE?

The outer label is an RSVP, LDP, or segment routing label pushed by router Core1.

The second label is a BGP label pushed by router RBR1.

The service label is a label pushed by router PE1.

The outer label will be popped by router Core2.

QUESTION 15
What is the result of configuring the following policy statement as a BGP import policy on the Nokia 7750 SR?

All BGP routes are accepted.

All routes matching prefix lists “List-1” and “List-2” are rejected.

BGP routes matching prefix lists “List-1” or “List-2” are rejected.

BGP routes matching prefix lists “List-1” and “List-2” are rejected.

QUESTION 16
In the diagram, the BGP import policy “north-and-south” is applied to router R5. Router R1 advertises the prefix 140.100.1.0/24 with a community set to “65200:1”. Which of the following statements about how router R5 processes the received route update for prefix 140.100.1.0/24 is TRUE?

The prefix is rejected.

The prefix’s local preference is set to 20.

The prefix’s community value is removed.

The prefix’s community value is modified to 65200:2.

QUESTION 17
Which of the following statements about router reflectors is FALSE?

A full iBGP mesh is required among route reflectors.

A route reflector can have both iBGP and eBGP clients.

A router reflector disables the iBGP split-horizon rule for its clients.

Route reflectors are used to reduce the number of iBGP sessions required in an AS.

QUESTION 18
An autonomous system has 7 routers configured with BGP. How many iBGP sessions are required for a fully meshed configuration?

QUESTION 19
Click the exhibit.

Assuming the network is IPv6 only, which of the following configurations on the Nokia
7750 SR router A can establish an IPv6 BGP session to router B?

Option A

Option B

Option C

Option D

QUESTION 20
What does an EVPN VPLS do that a traditional VPLS does not do?

It provides a multipoint connectivity service.

It maintains a forwarding database.

It uses control-plane MAC learning.

It acts as a switch, carrying full layer-2 frames between customer sites.

QUESTION 21
Click the exhibit.

Assume all router-IDs are properly configured, and global IPv6 addresses are used to establish eBGP sessions.
Which of the following configurations is required on router A so that router B can exchange traffic with router D?

Option A

Option B

Option C

Option D

QUESTION 22
The diagram shows EVPN services and their associated route-target (RT) values. For the distributed VPRN service in the diagram, what will be the route-target value included in the EVPN routes exchanged between routers PE1 and PE2 to populate the VPRN’s route table?

65200:100

65200:200

65200:300

65200:400

QUESTION 23
Click the exhibit.

Routers RR1 and RR2 are route reflectors with the same Cluster-ID. How does router RA treat the updates for prefix 192.168.1.0/27 received from routers RR1 and RR2?

Router RA prefers the update received from router RR1.

Router RA prefers the update received from router RR2.

Router RA flags both updates as invalid.

Router RA accepts both updates and flags them as used.

QUESTION 24
What kind of BGP path attribute is AS_PATH?

Optional transitive

Optional non-transitive

Well-known discretionary

Well-known mandatory

QUESTION 25
Which of the following regarding BGP Path Identifier is FALSE?

Path-ID is a four-octet identifier pre-pended to the NLRI field of a BGP update.

Path-ID is an optional transitive attribute used to advertise multiple paths.

Path-ID uniquely identifies each path advertised to a neighbor.

A BGP speaker that re-advertises a route must generate its own Path-ID.

QUESTION 26
A router in AS 65100 receives three routes for 138.120.0.0/16. The first route has an AS Path of 65200 65400
65300 and a local preference of 150. The second route has an AS Path of 65200 65300 and a local preference of 100. The third route has an AS Path of 65600 65300 and a local preference of 100. Which route will appear in the RIB-out?

Only the first route will appear in the RIB-Out.

Only the second route will appear in the RIB-Out.

Only the third route will appear in the RIB-Out.

All routes will appear in the RIB-Out.

QUESTION 27
Which of the following route reflection rules is NOT followed by a route reflector?

If the best route is received from an eBGP peer, propagate to all iBGP peers.

If the best route is received from an eBGP peer, propagate to all eBGP peers.

If the best route is received from a client, propagate to all iBGP peers.

If the best route is received from a client, do not propagate to eBGP peers.

QUESTION 28
Click the exhibit.

Router R1 is a route reflector with clients R2, R5 and R6. Prefixes advertised by router R5 have a local preference of 200. Router R3 advertises the prefix 192.168.1.0/27 to routers R5 and R6.
Assuming that none of the routers in AS 65540 is configured with “advertise-external”, what is the expected output of “show router bgp routes” on router R5?

Option A

Option B

Option C

Option D

QUESTION 29
Which of the following regarding route reflectors is TRUE?

Only the route reflector is configured with a cluster id.

There can only be one route reflector in a cluster.

Clients should have iBGP sessions with each other to maintain the mesh.

There can only be one level of route reflectors in the topology.

QUESTION 30
A BGP router receives the following routes. Which route is selected as best route?
1: 192.169.20.0/24 with local preference 100, MED 150, AS Path 65300 65200 from an eBGP neighbor
2: 192.169.20.0/24 with local preference 100, MED 100, AS Path 63200 from an iBGP neighbor
3: 192.169.20.0/24 with local preference 200, MED 150, AS Path 65400 63200 from an iBGP neighbor
4: 192.169.20.0/24 with local preference 200, MED 100, AS Path 63700 from an eBGP neighbor

Route 1

Route 2

Route 3

Route 4

QUESTION 31
Which of the following statements about IPv6 Link-Local addresses is FALSE?

They are assigned to every physical interface running IPv6.

They are only valid for communication within the same broadcast domain.

They all have the same 64-bit subnet prefix.

They have an interface ID derived by default from the interface’s IPv4 address.