Network and Transport Layer Quiz 7

Which of the following IP address classes is used for multicast?

• Class A

• Class B

• Class C

• Class D

Which of the following is a key feature of the TCP protocol?

• Statelessness

• Best-effort delivery

• Connection establishment

• Broadcast transmission

Which of the following protocols operates at the network layer?

• TCP

• IP

• HTTP

• FTP

What type of address is used at the network layer?

• MAC address

• IP address

• Port number

• Frame number

Which transport layer protocol provides reliable, connection-oriented service?

• UDP

• ICMP

• TCP

• IP

What is the size of a TCP header without options?

• 8 bytes

• 16 bytes

• 20 bytes

• 24 bytes

Which device operates at the network layer of the OSI model?

• Switch

• Router

• Hub

• Bridge

What mechanism does TCP use to ensure reliable data delivery?

• Packet switching

• Acknowledgements and retransmissions

• Port forwarding

• Frame check sequence

What is the purpose of the three-way handshake in TCP?

• To establish a connection

• To terminate a connection

• To retransmit lost packets

• To encrypt the data

Which of the following protocols operates at the transport layer?

• HTTP

• UDP

• IP

• Ethernet