CCNAv7 ITN Ethernet Concepts

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

Which media uses patterns of light to represent bits?

• copper

• wireless

• fiber-optic

Which media uses electrical pulses to represent bits?

• copper

• wireless

• fiber-optic

Which of these is the name for the capacity of a medium to carry data?

• bandwidth

• throughput

• goodput

Which of these is a measure of the transfer of bits across the media?

• bandwidth

• throughput

• goodput

Which of the following attaches antennas to wireless devices? It can also be bundled with fiber-optic cabling for two-way data transmission.

• UTP

• STP

• coaxial