QUESTION: 2

In an IP datagram, which field identifies the receiving application

The protocol field of the transport layer header
The port field of the transport layer header
The protocol field of the network layer header
The port field of the network layer address

Answer(s): B

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QUESTION: 3

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

To support classful routing protocols.
To allow IP routes to be defined using any number of bits for the network portion of the address.
To allow interdomain routing between an IGP and EGP such as OSPF and BGP.
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

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Routers R1 „ R2, and R3 are running a classful routing protocol between them. Assuming that router R1 advertises all directly connected networks, how will these networks be represented in router R3's routing table?

Router R3's routing table can only contain one of the routes, which will result in route flapping.
Router R3's routing table will have one entry for 10.1.1.0/24 and one entry for 10.1.2.0/24.
The networks will be represented with one entry of 10.0.0.0/8 in router R3's routing table.
The networks will be represented with one entry of 10.0.0.0/24 in router R3's route table.

Answer(s): C

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QUESTION: 3

A static route is created using the command "static-route 0.0.0.0/0 next-hop 3.3.3.1". What command could be used to test the static route on an Alcatel-Lucent 7750 SR?

Ping static 3.3.3.1
Ping static 0.0.0.0/0
Ping 3.3.3.1
Ping 0.0.0.0

Answer(s): C

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