Exploring the Internet

What does LAN stand for?

• Limited Access Network

• Local Area Network

• Large Area Network

• Longitudinal Access Node

What does WAN stand for?

• Wide Area Network

• Web Application Network

• Wide Access Node

• Wireless Access Node

Which protocol is responsible for routing packets to their destination IP address?

• DNS

• IP

• TCP

• UDP

Which protocol is used to ensure data packets reach the correct application on a computer?

• HTTP

• UDP

• IP

• TCP

What does the checksum in UDP packets do?

• Encrypts the data

• Verifies data integrity

• Routes the packet

• Compresses the data

Why might UDP be preferred for applications like Skype?

• It guarantees data delivery

• It's simpler and faster

• It retransmits lost packets

• It uses encryption

What does TCP stand for?

• Transmission Control Protocol

• Telecommunication Computer Protocol

• Transfer Command Packet

• Terminal Connection Point

What unique feature does TCP provide for data packets?

• Checksum for integrity

• Sequential numbering

• Port numbers for applications

• Encryption

How does TCP handle out-of-order packets?

• Encrypts them

• Ignores them

• Reorders them

• Discards them

What mechanism does TCP use to control congestion?

• Adjusting packet transmission rate

• Acknowledgment packets

• Sequential numbering

• Checksums