Unit 2 Data transmission

What are the names of the sections in a network packet?

• trailer

• payload

• router

• header

Each network packet contains a number used to track how many times it has been sent by a router. This is used to limit how long the packet lives in the network. What is this number called?

• hop number

• Source IP address

• Cyclic Redundancy Check (CRC)

• header

The Cyclic Redundancy Check (CRC) is used to verify the integrity of data sent across a network. Where is this number stored in the packet?

• payload

• trailer

• header

• router

Which mode of data transmission allows bidirectional and simultaneous data transmission?

• simplex

• half-duplex

• full-duplex

• Media Access Control (MAC)

Computer keyboards use what mode of data transmission?

• simplex

• half-duplex

• full-duplex

A disadvantage of serial data transmission is the risk of data skew.

• True
• False

The USB standard uses parallel data transmission.

• True
• False

Each USB connector type only supports one USB version.

• True
• False