Nokia Nokia NRS II Composite Exam 4A0-C01 Exam Dumps: Updated Questions & Answers (October 2025)

The ARP functionality has been replaced by the Neighbor Discovery protocol.

The ARP functionality is not needed due to the increased IPv6 address space.

ICMPv6 reduced its role to connectivity checking and auto-configuration only.

ICMFV6 replaced the ARP functionality with Multicast Listener Discovery (MLD).

The packet will be label switched; the outer label TTL will be 249 and the inner label TTL will be 250.

The packet will be label switched; the outer label TTL will be 249 and the inner label TTL will be 251.

The packet will be label switched; both the outer label TTL and the inner label TTL will be 250.

The packet will be label switched; both the outer label TTL and the inner label TTL will be 249, because they must be the same.

Router R4 will have a route to router R6's system address with router R2 as the next-hop.

Router R4 will have a default route with router R2 as the next-hop.

Router R4 will have a default route with router R3 as the next-hop.

Router R4 will not have a route that can be used to reach the system address of router R6.

0

1

2

3

4

The CE routers run only IPv6.

The PE routers must run IPv4 and IPv6.

The P routers must run IPv4 and IPv6.

IPv6 routes on the PE routers may have an IPv4 address as the next hop.

The MTU does not match on both interfaces.

OSPF is not enabled on one of the routers.

The router ID is the same on both routers.

An OSPF Hello has not been received from the neighbor.

The interfaces are configured as point-to-point on one side and broadcast on the other.

AS External

Inter-Area Prefix

Inter-Area Router

Intra-Area Prefix

CSNPs are used to maintain consistency in the Link-State database.

CSNPs are advertised before an adjacency is formed with another router.

There are two types of CSNPs: Level 1 and Level 2.

The CSNP lists the LSPs in the router's database

It supports IGP-based LSPs.

It supports constrained path LSPs.

It does not support loose explicit path LSPs.

It is recommended for use in Traffic Engineering applications.

It cannot be used with facility backup fast reroute.

The current DR is selected, if there is one. Otherwise, the router with the lowest priority is the DR. If priorities are the same, the DR is chosen based on the lowest RID.

The current DR is selected, if there is one. Otherwise, the router with the highest priority is the DR. If priorities are the same, the DR is chosen based on the highest RID.

The router with the lowest priority is the DR. If priorities are the same, the current DR is selected. Otherwise the DR is chosen based on the lowest RID.

The router with the highest priority is the DR. If priorities are the same, the current DR is selected. Otherwise the DR is chosen based on the highest RID.

FE80::203:FAFF:FEAC:77AF/64

2000::203:FAFFFEAC:77AF/64

FE80::3FAFF:FEAC:77AF/64

FC00::203:FAFF:FEAC:77AF/64

FC00::3:FAFF:FEAC:77AF/64

Local FECs, not including those in the 192.168.1.0/24 address space.

Only system ID FECs may appear in the LIB.

Any local FECs, except those with a 24 bit mask.

Local FECs in the 192.168.1.0/24 address space

The neighbor's link-state database has newer information than what it received in the update.

The neighbor sends the update as an acknowledgement.

The neighbor's update indicates that it has run out of space in its LSDB.

The neighbor's update indicates that the sequence number received is the same as the one already in its link-state database.

It is unidirectional.

It is bidirectional.

It must always have a secondary path.

It provides a specific tunnel for a FEC through the network.

It always follows the IGP best path.

Convergence is triggered when the adjacency between routers R1 and R2 drops as a result of hello timeouts.

Convergence is triggered when the physical interfaces between routers R1 and R2 go down.

Convergence will not be triggered because switches cannot run routing protocols between them.

Convergence is triggered when the switches notify the routers about the link-state info.

Convergence is triggered when an LSA is sent from router R1 to router R2 to indicate that the link is down.

Isp retry-timer

Isp retry-limit

mpls resignal-timer

rsvp refresh-time

router rsvp keep-multiplier

An L1/L2 router can have adjacencies with routers in different areas.

An L1/L2 router calculates separate SPF trees for the Level 1 and Level 2 topology.

An L1/L2 router advertises its L2 routes to other L1 routers in the same area.

An L1/L2 router sets the ATT bit in L1 LSPs to indicate that it has routes to other areas.

P router

LSR

eLER

iLER

1

2

3

4

6

7

RSVP-TE

TDP

LDP

ADP

MPLS-TE