Practice 4A0-C03 Exam Online

Question 1

Which of the following best describes the flooding of traffic on a PE when unknown traffic is received on a mesh SDP?

A : Traffic is flooded to all SAPs in the service.

B : Traffic is flooded to all SAPs and spoke SDPs in the service

C : Traffic is flooded to all SAPs and mesh SDPs in the service

D : Traffic is flooded to all SAPs, spoke SDPs, and mesh SDPs in the service

Answer: B

Question 2

In a Layer 2 encapsulation using T-LDP, what does the first (top) label represent?

A : Tunnel Label

B : VC Label

C : Operational Control Word

D : UNI

Answer: A

Question 3

Which of the following about the BGP VPN-IPv4 address family is FALSE?

A : When a PE router receives an IPv4 prefix from its local CE, it creates a VPN-IPv4 prefix

B : VPN-IPv4 allows BGP to distinguish between duplicate prefixes originating from different customers.

C : In a VPRN, data traffic is carried in packets that have VPN-IPv4 addresses

D : VPN-IPv4 addresses are only present within the service provider network.

Answer: C

Question 4

Which of the following encapsulation types on an Ethernet port support the provisioning of multiple SAPs? (Choose 2)

A : Dot1Q

B : Q-in-Q

C : ATM

D : NULL

Answer: A,B

Question 5

What happens by default on an Alcatel-Lucent 7750 SR when a VPLS accepts a tagged frame at the ingress SAP 1/1/1:100?

A : The FCS is verified and kept in the customer frame. The VLAN tag is kept and transported over the network

B : The FCS is verified and kept in the customer frame. The VLAN tag is removed for transport over the network

C : The FCS is verified and removed from the frame. The VLAN tag is kept for transport over the network

D : The FCS is verified and removed from the frame. The VLAN tag is removed for transport over the network

Answer: D

Name:	Nokia NRS II Composite Exam: IS-IS version
Exam Code:	4A0-C03
Certification:	Nokia Network Routing Specialist II
Vendor:	Nokia
Total Questions:	165
Last Updated:	May 11, 2026

Nokia 4A0-C03 Answers