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

_______ is internet service appropriate to access the computer of your office from home

______ 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 ______ 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