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University of Barishal

Department of Computer Science and Engineering

2nd Mid Exam

Course Title: Data Communication (CSE-2205)

Semester: 4th | Session: 20-21

Time: 60 minutes | Marks: 20.00

Course Teacher: Md Mahbub E Noor

Exam Date: October 8, 2024

View 206 Topic-wise Questions for this Course

(Answer all of the following questions)

1.

1)

Shortly discuss about different classes of transmission media.

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Topics: Data Transmission Solution is Coming!
3 Marks
2)

Mention some differences between radio wave and microwave.

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Topics: N/A Solution is Coming!
2 Marks
3)

Mention some limitations of stop and wait ARQ protocol. When is this protocol useful?

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Topics: N/A Solution is Coming!
3 Marks
4)

Mention all the control field format of all kinds of frame types in HDLC protocol.

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Topics: Data Link Layer , HDLC (High-Level Data Link Control) Protocol Solution is Coming!
5 Marks
5)

Shortly discuss about two-dimensional parity check code.

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Topics: N/A Solution is Coming!
3 Marks
6)

What is Cyclic Redundancy Check (CRC)? Shortly discuss.

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Topics: Cyclic Redundancy Check (CRC) Solution is Coming!
3 Marks
7)

What is piggybacking?

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Topics: N/A Solution is Coming!
1 Marks
View 206 Topic-wise Questions for this Course

Contributors of this Question:

Role Name Date
Prepared By (Teacher): Md Mahbub E Noor Oct. 8, 2024
Uploaded By: Md Tanvir Ahmed Oct. 8, 2024, 6:08 p.m.
Converted By (Img/PDF to Text): Baishakhi Bir Nov. 29, 2025, 12:44 a.m.
Reviewed By: Obaydul Hasan Nayeem Nov. 29, 2025, 10:53 a.m.
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