Data Transmission Quiz

What is a data packet?

• A small part of a message/data transmitted over a network

• A computer hardware component

• A software application

• A type of encryption key

What information does a packet header contain?

• IP addresses of the sender and receiver

• Packet number

• Both a and b

• None of the above

What does the packet trailer indicate in a data packet?

• Start of the data packet

• End of the data packet and cyclic redundancy check error check

• Payload information

• Encryption key

How does cyclic redundancy check (CRC) work?

• Adding 0-bits in the data packet payload

• Adding all the 1-bits in the data packet payload

• Subtracting the packet number

• Multiplying the payload by the packet number

What is payload in the context of data packets?

• The weight of the data packet

• The actual data being carried in a data packet

• The speed of data transmission

• The size of the packet header

What is the role of a router in a network?

• Transmit data packets

• Enable data packets to be moved between different networks

• Generate encryption keys

• Check for errors in data transmission

What is the hop number in a data packet header used for?

• To indicate the start of the data packet

• To stop data packets that never reach their destination

• To determine the size of the packet trailer

• To encrypt the payload

What is real-time streaming?

• Transmission of data for fictional events

• Transmission of data for live events where data is sent as soon as it is received or generated

• A type of encryption method

• Transmission of data with a delay

What is the difference between simplex, half-duplex, and full-duplex data transmission?

• Simplex allows data in both directions simultaneously

• Half-duplex allows data in one direction only

• Full-duplex allows data in both directions simultaneously

• All of the above

What does USB stand for?

• Universal Serial Block

• Universal Serial Bus

• United States of Business

• Underwater Sound Broadcasting