Topic 5: NDC

What is the main purpose of the Transport Layer?

• Physical transmission of data

• Data encryption

• End-to-end communication and reliability

• IP addressing

Which of the following protocols operates at the Transport Layer?

• HTTP

• IP

• TCP

• Ethernet

UDP is a protocol that is:

• Connection-oriented

• Reliable and slow

• Connectionless and fast

• Encrypted

Which protocol ensures error recovery and sequencing?

• UDP

• TCP

• IP

• HTTP

Which of the following is NOT a responsibility of the Transport Layer?

• Flow control

• Routing

• Error correction

• Segmentation

What is segmentation in the Transport Layer?

• Breaking the network into subnets

• Converting analog to digital signals

• Dividing data into smaller chunks

• Compressing data

Which layer ensures complete data transfer?

• Data Link Layer

• Network Layer

• Transport Layer

• Session Layer

Which Transport Layer protocol is best for streaming services like Netflix or YouTube?

• TCP

• FTP

• UDP

• SMTP

Port numbers are used to:

• Identify devices on a network

• Encrypt the data

• Identify specific processes/services

• Compress data packets

What is the range of well-known port numbers?

• 0–255

• 0–1023

• 1024–49151

• 49152–65535