Nokia 4A0-C01 Exam (page: 25)
Nokia NRS II Composite Exam
Updated on: 16-Feb-2026

Viewing Page 25 of 170

What is the primary purpose of classless interdomain routing (CIDR)?

  1. To support classful routing protocols.
  2. To allow IP routes to be defined using any number of bits for the network portion of the address.
  3. To allow interdomain routing between an IGP and EGP such as OSPF and BGP.
  4. To simplify the allocation of IP address space by defining a fixed size for the network portion of the address for each of the address classes.

Answer(s): B



Click the exhibit button.

The OSPF packets shown have been exchanged between two neighbors. What state is the OSPF adjacency in?

  1. The adjacency state is two way because both routers have received a database description packet.
  2. The adjacency is in the exchange state. The next step is to exchange link state request and link state update packets.
  3. The adjacency is in the ex start state. The routers have exchanged database description packets, but still have to negotiate the starting sequence number.
  4. The adjacency state is full. The routers are exchanging database description packets to notify each other that all link state advertisements have been received.

Answer(s): C



Which of the following is optional when configuring IS-IS on the Alcatel-Lucent 7750 SR?

  1. Configuring IS-IS interfaces
  2. Enabling IS-IS
  3. Configuring level capabilities
  4. Specifying an area address

Answer(s): C



Click the exhibit button.


The OSPF adjacency between routers R3 and R1 is down. What is the problem?

  1. Area 1 of router R1 should not be configured as a stub.
  2. Router R3 has the incorrect authentication key type.
  3. Router R1 has the incorrect authentication key type.
  4. There is not enough information to tell.

Answer(s): C



If a Router originates a type 1 router LSA with the E bit set what types of areas can it belong to? Select all that apply.

  1. Not So Stubby Area
  2. Stub Area
  3. Backbone Area
  4. Standard Area

Answer(s): A,C,D



Viewing Page 25 of 170



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