A protocol stack is a combination of protocols. Each layer of the stack specifies a different protocol for handling a function or subsystem of the communication process and each layer has its own set of rules.

• True

• False

The Transmission Control Protocol ensures the reliability of data transmission across Internet connected networks

• True

• False

TCP/IP model consists of 4 layers. Which layer is not part of the TCP/IP model?

• Internet Access Layer

• Transport Layer

• Internet Layer

• Network Access Layer

The OSI model consist of how many layers?

• 6

• 7

• 8

• 9

This layer describes the transmission of individual bits over the transmission channel

• Network Layer

• Data Link Layer

• Session Layer

• Physical Layer

Which layer is common to OSI and TCP/IP model? (multiple answers)

• Data Link Layer

• Network Layer

• Transport Layer

• Session Layer

MAC address is also known as physical address or hardware address

• True

• False

First half of MAC Address represents the manufacturer of the adapter/hardware

• True

• False

"In a class C IP address, the high order bits are set to "

• 10

• 110

• 1110

• 1111

A PDU is composed of protocol-specific control information and user data.

• True

• False