Network Layer

which of the following statements is true?

• DHCP is an application layer protocol

• ICMP is a network layer protocol

• ICMP is an application layer protocol

• DHCP is an network layer protocol

Which of the following techniques is used in traditional phone system

• Circuit switching

• Packet switching

• Datagram packet switching

• None of the above

(a)   is internet service appropriate to access the computer of your office from home

(a)   is hardware device which is used to receive analyse and forward the incoming packets to another network

Which of the following is a network layer protocol

• IP

• SMTP

• POP

• TCP

Which of the following is a collection of point to point links that form a round

• WAN Topology

• MAN Configuration

• RING Topology

• LAN Configuration

The process of modifying IP address information in IP packet header in transit across a traffic routing device is called

• Port Address translation(PAT)

• Network Address Translation(NAT)

• Address mapping

• port mapping

Network layer deals with (a)   type of data

Which of the following is not a function of network layer

• Routing

• Internet networking

• congestion control

• Error control

A 4 byte IP address consists of the following

• Only network address

• Only host address

• Network address & host address

• Network address & MAC address