computer-communication-and-networks-uos-2025

Subiect: J. T

Time Allowed: 02:30 Hours

University of Sargodha

ADP 3rd Semester Examination 2025

paper: Data Coynrpupication & Networking (CMPC-203)

Maximum Marks: 60

Note: Objective part is compulsory. Attempt any three questions from subjective part.

Objective (Compulsory)

Write short answers of the following m 2-3 lines each on your answer sheet.

(2*12)

x.

xii.

Q.2.

Q.4.

0.6.

What are the three phases of circuit switching?

How does packet switching handle network congestion?

What is the primary difference between connection-oriented and connectionless packet switching?

What is the function of base stations in a cellular network?

What are some advantages of using a LAN?

What is the role of a switch in a LAN'?

What are the major protocols used in LAN communication?

What is Ethernet, and why is it widely used?

What is the Multiplexing?

What are the main security protocols used in WLANs?

What is OSI?

What is the role of an access point in a WLAN?

Subjective Part

(3*12)

Analyze the role of Data Networking and the Internet in modern communication systems.

What essential protocols are used in data communication, and how do they work together to ensure

reliable communication between devices?

What are the key encoding schemes used in digital and analog communication?

What are the main protocols used at the data link layer, and how do they contribute to error detection,

flow control, and data integrity?

How have emerging technologies, such as fiber-optic communication and wireless networking,

improved data communication?

———.LK-6487/03-06-25

ustadni.com

Subiect: J. T

Time Allowed: 02:30 Hours

University of Sargodha

ADP 3rd Semester Examination 2025

paper: Data Coynrpupication & Networking (CMPC-203)

Maximum Marks: 60

Note: Objective part is compulsory. Attempt any three questions from subjective part.

Objective (Compulsory)

Write short answers of the following m 2-3 lines each on your answer sheet.

(2*12)

x.

xii.

Q.2.

Q.4.

0.6.

What are the three phases of circuit switching?

How does packet switching handle network congestion?

What is the primary difference between connection-oriented and connectionless packet switching?

What is the function of base stations in a cellular network?

What are some advantages of using a LAN?

What is the role of a switch in a LAN'?

What are the major protocols used in LAN communication?

What is Ethernet, and why is it widely used?

What is the Multiplexing?

What are the main security protocols used in WLANs?

What is OSI?

What is the role of an access point in a WLAN?

Subjective Part

(3*12)

Analyze the role of Data Networking and the Internet in modern communication systems.

What essential protocols are used in data communication, and how do they work together to ensure

reliable communication between devices?

What are the key encoding schemes used in digital and analog communication?

What are the main protocols used at the data link layer, and how do they contribute to error detection,

flow control, and data integrity?

How have emerging technologies, such as fiber-optic communication and wireless networking,

improved data communication?

———.LK-6487/03-06-25

ustadni.com