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COS2626 MCQ EXAM PACK 2025 - DISTINCTION GUARANTEED
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  • Module
  • Computer Networks I (COS2626)
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  • University Of South Africa (Unisa)
  • Book
  • Integrated Computer Network Systems

Well-structured COS2626 EXAM PREPARATION PACK 2025 - DISTINCTION GUARANTEED. Contains recent exam questions and answers, and Summarised study notes. All you need to pass the 2025 EXAMS

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  • September 29, 2023
  • 526
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • cos2626

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  • Computer Networks I (COS2626)
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COS2626
EXAM PACK
 Recent exam questions and answers
 Summarised study notes
 Exam tips and guidelines


DISCLAIMER & TERMS OF USE
1. Educational Aid: These study notes are designed to serve as educational aids and should not be considered as a
substitute for individual research, critical thinking, or professional guidance. Students are encouraged to
conduct their own extensive research and consult with their instructors or academic advisors for specific
assignment requirements.
2. Personal Responsibility: While every effort has been made to ensure the accuracy and reliability of the
information provided in these study notes, the seller cannot guarantee the completeness or correctness of all
the content. It is the responsibility of the buyer to verify the accuracy of the information and use their own
judgment when applying it to their assignments.
3. Academic Integrity: It is crucial for students to uphold academic integrity and adhere to their institution's
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citation may constitute academic misconduct.
4. Limited Liability: The seller of these study notes shall not be held liable for any direct or indirect damages,
losses, or consequences arising from the use of the notes. This includes, but is not limited to, poor grades,
academic penalties, or any other negative outcomes resulting from the application or misuse of the information
provided.

, COS2626/201/0/2023


1.1 Solution to Assessment 01

Chapter 1: Introduction to Computer Networks

1. In converting bits to bytes, 250 Mbps would be MBps.
A. 31.25 MBps
B. 62.54 MBps
C. 24.54 MBps
D. 12.5 MBps

ANSWER: A
Page: 7, Chapter 1

2. You are building a gaming computer and you want to install a dedicated graphics card that
has a fast GPU (Graphic Processing Unit) and 4GB of memory on board. You need to make
sure that you have the right connector available on your motherboard. What type of component
would you use in this instance?
A. PCI (Peripheral Component Interconnect) bus expansion slots
B. SATA connectors
C. PCI (Peripheral Component Interconnect) Express bus expansion slots
D. IDE (Integrated Drive Electronics) connector

ANSWER: C
Page: 9, Table 1-3, Chapter 1

3. Which of the following are tasks usually performed by the BIOS (More than one tasks
applies)?
A. Perform a POST (Power-On Self-Test).
B. Create an interrupt.
C. Store the operating system.
D. Begin the boot procedure.

ANSWER: A & D
Page: 11, Chapter 1




3

,4. Which one of the following represents the CORRECT order of the steps of the computer boot
procedure?
1. The OS (Operating System) is loaded into RAM (Random Access Memory).
2. CPU (Central Processing Unit) starts.
3. OS services are started.
4. Power is applied to the motherboard
5. The CPU carries out the firmware start-up routines, including the POST (Power-On Self-
Test)
6. Boot devices, as specified in the firmware configuration, are searched for an OS
(Operating System)

A. 2, 4, 6, 1, 3, 5
B. 1, 5, 2, 4, 3, 6
C. 4, 2, 5, 6, 1, 3
D. 5, 4, 1, 3, 2, 6

ANSWER: C
Page: 12, Chapter 1

5. Air waves are an example of what type of network component?
A. network interface card
B. network medium
C. interconnecting device
D. network protocol

ANSWER: B
Page: 15, Chapter 1

6. Choose the correct order for the process of a user attempting to access network resources:
1. The protocol packages the message in a format suitable for the network and sends it to
the NIC (Network Interface Card) deriver.
2. An application tries to access a network resource by attempting to send a message to it.
3. Network client software detects the attempt to access the network. Client software formats
the message generated by the application and passes the message on to the network
protocol.
4. The NIC driver sends the data in the request to the NIC, which converts it into the
necessary signals to be transmitted

A. 4, 2, 1, 3
B. 3, 2, 1, 4
C. 1, 4, 2, 3
D. 2, 3, 1, 4
E. 3, 1, 2, 4

ANSWER: D
Page: 18, Chapter 1


4

, COS2626/201/0/2023

7. Using the physical mail analogy, what part of an address on an envelope is most like the IP
(Internet Protocol) address?
A. MAC (Media Access Control) address
B. street address
C. recipient name
D. zip code

ANSWER: D
Page: 20, Chapter 1

8. Study the following list of reasons.
• Two or more groups of users and their computers should be logically separated on the
network yet still be able to communicate.
• The number of computers in a single LAN (Local Area Network) has grown to the point
that network communication is no longer efficient.
• The distance between two groups of computers exceeds the capabilities of most LAN
devices, such as hubs and switches.

The above reasons are usually for the creation of .
A. WANs (Wide Area Networks)
B. MANs (Metropolitan Area Networks)
C. Internetworks
D. Interdomains

ANSWER: C
Page: 30, Chapter 1

9. The XYZ company has two offices, one in Chicago, and a brand-new office in Pittsburgh. To
connect the two offices, they will need a dedicated line, probably leased from the phone
company. What type of network will they be implementing to connect their two offices?
A. LAN (Local Area Network)
B. WAN (Wide Area Network)
C. PAN (Personal Area Network)
D. SAN (Storage Area Network)

ANSWER: B
Page: 31, Chapter 1

10. A is a with the source and destination MAC (Media Access Control) added to
it. have an error-checking code added to the back end on one end and an error-checking
code on the other.
A. frame; packet; frames
B. packet; frame; packets

ANSWER: A
Page: 33, Chapter 1


5

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