Transport Layer - 1

We need TCP for reliability because IP gives best effort service.

• True

• False

PDU at transport layer is called a "frame".

• True

• False

UDP Does

• Error Correction

• Multiplexing

• Reliable Communication

• Handshaking

Routers do not have transport layer functionality.

• True

• False

Default port number for DNS servers is

• 43

• 53

• 63

• 73