CompNet 4

Which of the following factors determines the practical bandwidth of a network?

• The number of devices connected to the network

• The properties of physical media and signaling technologies

• The IP addressing scheme used in the network

• The speed of the processor in network devices

Which of the following tasks is not done by data link layer?

• Framing

• Error control

• Flow control

• Channel coding

What is the parameter for the physical layer?

• Bits

• Wired/wireless

• Frame

• Physical devices (example: cable)

Which of the following is key responsibility of the Data Link Layer?

• Path determining and routing

• Framing and flow control

• Encryption and decryption of data

• Application protocol negotiation

Which of the following is NOT a Physical Layer standard?

• IP addressing

• Ethernet (IEEE 802.3)

• Wi-Fi (IEEE 802.11)

• Fiber optics

Which of the following is a primary function of the transport layer in the OSI model?

• Path determination and packet forwarding

• Reliable delivery and flow control

• Packet addressing and routing

• Encoding and media access control

Which transport layer protocol provides connectionless communication and does not guarantee delivery of data?

• TCP

• IP

• UDP

• ICMP

What is the purpose of port numbers in the transport layer?

• To identify the source and destination IP addresses

• To identify applications or services running on a host

• To control the flow of packets across a network

• To determine the physical address of a device

What is one of the primary functions of the session layer in the OSI model?

• Ensuring reliable delivery of data between devices

• Establishing, managing, and terminating communication sessions

• Encrypting and decrypting data for secure transmission

• Determining the best path for data packets through the network

Which of the following protocols operates at the session layer of the OSI model?

• HTTPS

• NetBIOS

• TCP

• IP