A. Network layer
B. Physical layer
C. Application layer
D. Transport layer

A. Switches
B. Segments
C. Datagrams
D. Data-packets

A. Connection oriented networks
B. Connection less networks
C. Telephone networks
D. Internetwork

A. Switch table
B. Segments table
C. Datagram table
D. Routing table

A. Source and destination address
B. Destination address and output port
C. Source address and output port
D. Input port and output port

A. Destination address
B. Source address
C. Checksum
D. Padding

A. Delay is greater than in a virtual circuit network
B. Each packet may experience a wait at a switch
C. Delay is not uniform for the packets of a message
D. All of the mentioned

A. Stack
B. Queue
C. Hash
D. Routing table

A. Remains same
B. Decreases
C. Increases
D. Is not proportional

A. Number of flows of packets are not limited
B. Packets may not be in order at the destination
C. Path is not reserved
D. Delay is the same for all packets in a flow