Data Communication Midterm Summer 2026 Question Paper — Study Guide & FAQ

What is the Data Communication Midterm Summer 2026 question paper?

This page hosts the Data Communication Midterm Summer 2026 question paper for DIU BBA students studying Data Communication and Networking for Business (MIS-612-325) during Summer 2026. The PDF comes from our student archive — use it to learn the exam format, time yourself, and spot recurring topics.

What questions appear on this exam?

The transcript below shows real questions from this paper (OCR). Common themes include: a) State the meaning of data communication. Then list the layers of the OSI model and the TCP/IP model. (2.5 Marks) [CLO-1, L1] b) Distinguish between analog and digital signals in terms of nature, shape, and noise effect, using one suitable example for each. (2 Marks) [CLO-2, L2] c) Complete the following table by writing the meaning of each component of data communication and one relevant business example for each. (2 Marks) [CLO-1, L3] | Component | Meaning | One Business Example | |--------------------|---------|----------------------| | Sender | | | | Receiver | | | | Message | | | | Transmission Medium| | | | Protocol | | |; a) From the following network diagram, identify the topology and mention one advantage and one disadvantage of using it in a business office network. (2.5 Marks) [CLO-3, L3] b) Compare Nyquist Theorem and Shannon's Capacity Formula in terms of channel condition and the factors affecting maximum data rate. (2 Marks) [CLO-2, L2] c) Examine how any two basic networking commands such as ping, ipconfig, tracert, or nslookup can be used to diagnose connectivity problems in a business network. (1.5 Marks) [CLO-4, L4]; a) Analyze the working process of satellite internet by showing the communication flow from the user device to the satellite, gateway, internet, and back to the user with a simple flow diagram. (2 Marks) [CLO-4, L4] b) For the following tasks, choose the most suitable medium from twisted pair, fiber optic, and radio wave, and state the reason for each choice: Apply your knowledge to choose the most suitable medium in each case from twisted pair, fiber optic, and radio wave, and justify your choice. (3 Marks) [CLO-3, L3] i. short-distance low-cost office networking ii. high-speed secure branch communication iii. wireless communication in open space.

• a) State the meaning of data communication. Then list the layers of the OSI model and the TCP/IP model. (2.5 Marks) [CLO-1, L1] b) Distinguish between analog…
• a) From the following network diagram, identify the topology and mention one advantage and one disadvantage of using it in a business office network. (2.5 Ma…
• a) Analyze the working process of satellite internet by showing the communication flow from the user device to the satellite, gateway, internet, and back to …
• a) Complete the following comparison of FDM, TDM, and WDM with respect to basis of separation, common uses, and best suitable medium. (2 Marks) [CLO-4, L3] |…
• Bangladesh Fisheries Development Corporation (BFDC) is planning to establish a remote coastal branch office in Cox's Bazar, Bangladesh to support fish landin…

How should DIU BBA students use this past paper?

Attempt the full paper once without notes, then mark questions you could not finish in time. Compare your work with class notes, the course hub, and any answer scripts linked on this page. Repeat weak chapters one week before your real exam.