Nokia 4A0-106 Exam Questions Instant Access

Question 1

Based on the VPRN BGP decision process, which of the following routes is selected first?

AThe route with the shortest AS path.

BThe route with the lowest route or tunnel table cost to the NEXT_HOP.

CThe route with the highest local preference.

DThe route with the lowest originator ID or BGP identifier.

Answer : C

Question 2

Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following is FALSE?

APE1 pushes an LDP transport label.

BCSC-CE1 pops the LDP label and pushes a BGP label.

CCSC-PE1 pops the BGP label and pushes two labels: a VPN label and an MPLS transport label.

DCSC-PE2 pops the MPLS label and pushes a BGP label.

Answer : D

Question 3

Click the exhibit.

For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised between CSC-CE1 andCSC-PE1?

AVPN-IPv4 routes for all PE system addresses in AS 1000

BBGP labeled IPv4 routes for all PE system addresses in AS 1000

CVPN-IPv4 routes for all PE system addresses in AS 5000

DBGP labeled IPv4 routes for all PE system addresses in AS 5000

Answer : D

Question 4

Why would a selective export policy be applied to a customer VPRN service? (Choose three)

ATo limit the number of routes advertised from a customer site

BTo limit the number of routes learned from other customer sites CTo limit the size of the VRF table

CTo limit connectivity to selected customer networks

DTo perform packet filtering

Answer : A, C

Question 5

Which of the following about the configuration of VPRN Outbound Route Filtering (ORB on an Nokia 7750 SR is TRUE?

AThe ORF configuration must be done under the BGP neighbor context only.

BWhen sending is enabled, the ORF function takes the route target list configured in all outbound policies and pushes this list to the peer by default.

CWhen configuring ORF, the session with the peer must be cleared/reset for the new capability negotiation to take place.

DWhen Outbound Route Filtering is configured, both the sending and acceptance of ORF are enabled by default.

Answer : C

Question 6

Which command is used to generate the output from an Nokia 7750 SR shown below?

AShow service 3

BShow service id 3

CShow service 3 base

DShow service id 3 base

EShow service 3 detail

FShow service id 3 detail

Answer : D

Question 7

On a PE router, the VRF table for VPRN 10 contains: one local route, two BGP routes learned from a local CE. and three tunneled routes learned from a remote site. If we execute the command "configure service vprn 10 maximum-routes 2 log-only" on this PE router, how many routes are expected to be in the VRF?

AFive routes: the local route, the two BGP routes learned from the local CE, and two tunneled routes.

BSix routes: the local route, the two BGP routes learned from the local CE, and three tunneled routes.

CTwo routes: the local route and one tunneled route.

DThree routes: the local route and two tunneled routes.

ETwo routes: the local route and one BGP route learned from the local CE.

Answer : B

Nokia Virtual Private Routed Networks 4A0-106 Exam Questions