AHJN: Unit14-P2-Communication & Internet

What does DNS primarily do?

• Send emails

• Find IP addresses

• Compress files

• Encrypt data

What is a key limitation of circuit switching?

• Complex routing

• Limited bandwidth

• Dedicated line remains unused when idle

• Packet loss

What protocol is used for peer-to-peer file sharing?

• HTTP

• FTP

• BitTorrent

• SMTP

What does the transport layer ensure?

• Physical network connections

• Packet routing

• Packets arrive without errors

• Web page display

What is a "swarm" in BitTorrent?

• A file compression method

• A group of connected peers

• A routing algorithm

• An encryption technique

What information is typically in a packet header?

• User emails

• Full message content

• Destination IP and protocol

• Complete file data

What is a primary advantage of packet switching?

• Guaranteed transmission order

• Charging based on connection distance

• Dedicated communication lines

• Consistent bandwidth usage

What does SMTP stand for?

• Simple Mail Transfer Protocol

• Secure Message Transmission Protocol

• System Mail Transport Protocol

• Server Message Transfer Protocol

What prevents packets from endlessly routing?

• Encryption

• Hop number

• Bandwidth limitation

• Server intervention

What layer in TCP/IP handles program data exchange?

• Transport layer

• Internet layer

• Application layer

• Network layer