Which type of communication will send a message to a group of host destinations simultaneously?

• broadcast

• multicast

• unicast

• anycast

What process is used to receive transmitted data and convert it into a readable message?

• access control

• encapsulation

• flow control

• decoding

What is done to an IP packet before it is transmitted over the physical medium?

• It is encapsulated in a Layer 2 frame.

• It is tagged with information guaranteeing reliable delivery.

• It is encapsulated into a TCP segment.

• It is segmented into smaller individual pieces.

What process is used to place one message inside another message for transfer from the source to the destination?

• access control

• flow control

• decoding

• encapsulation

A web client is sending a request for a webpage to a web server. From the perspective of the client, what is the correct order of the protocol stack that is used to prepare the request for transmission?

• HTTP, TCP, IP, Ethernet

• Ethernet, IP, TCP, HTTP

• Ethernet, TCP, IP, HTTP

• HTTP, IP, TCP, Ethernet

True or false? The physical layer is only concerned with wired network connections.

• True

• False

True or false? When a frame is encoded by the physical layer, all bits are sent over the media at the same time.

• True

• False

The physical layer of the receiving device passes bits up to which higher level layer?

• Application

• Presentation

• Network

• Data link

What PDU is received by the physical layer for encoding and transmission?

• Frame

• Segment

• Packet

Which media uses patterns of microwaves to represent bits?

• copper

• wireless

• fiber-optic