Week 9 Lecture 1

Revision Quiz

Multiple Choice

Which of the following is a characteristic of a connection-oriented service?

• Modelled after the postal service

• Service user specifies full destination address for each message

• Service user establishes, uses, and releases a connection

• Service provider makes a "best effort" attempt to communicate

Multiple Choice

Which type of service is modelled after the postal service?

• Connection-oriented

• Connectionless

• Reliable

• Unreliable

Multiple Choice

Which of the following is NOT a layer in the TCP/IP stack?

• Application layer

• Transport layer

• Session layer

• Physical layer

Multiple Choice

Which layer of the TCP/IP stack is responsible for reliable byte streams from process to process?

• Application layer

• Transport layer

• Network layer

• Link layer

Multiple Choice

Which protocol is used for unreliable datagram delivery from host to host?

• TCP

• IP

• UDP

• HTTP

Multiple Choice

What is the purpose of headers and footers in network communication?

• To encode the message

• To add extra information such as sender and receiver details

• To increase the size of the message

• To remove unnecessary data from the message