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Olive F3

The document is a test paper on computer science for students. It consists of two sections with multiple choice and descriptive questions testing students' knowledge of networking concepts like the OSI model, network topologies, transmission media and protocols.

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great martin96
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30 views3 pages

Olive F3

The document is a test paper on computer science for students. It consists of two sections with multiple choice and descriptive questions testing students' knowledge of networking concepts like the OSI model, network topologies, transmission media and protocols.

Uploaded by

great martin96
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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SUBJECT /DEPARTMENT: COMPUTER SCORE : APPRECIATION OF LEVEL OF COMPETENCE (TICK)

( Indicate the competence(s) tested: )


SCIENCE

TERM/EVALUATION SEQ. /DATE: THIRD NOT ACQUIRED IN THE PROCESS ACQUIRED


(0-09.5) OF (14→)
SEQUENCE, FEBRUARY 2022. ACQUISITION
(10-13.99)
TIME ALLOWED: 1HR

CLASS: FORM 3 COEF : 2 PARENT´S OBSERVATION/SIGNATURE:

NAME : Nº:

INSTRUCTION
1. This paper consists of sections A and B
2. Answer all questions in all two sections and make sure you have all pages 1 to 3 available.
You are reminded of the necessity for good English and orderly presentation of your answers.
SECTION A: VERIFICATION OF SKILLS (20 marks)
Shade the letter corresponding to the correct answer as shown on the example below.
[A], [B], [C], [D] in this case [A] was the right answer.
1 A example of hardware used in the physical layer of the OSI reference model is ………..
[A] NIC [B] Gateway [C] Switch [D] CAN
2 The data found at the network layer is called …………………………………..
[A] Data [B] Packet [C] Bit [D] Information
3A set of rules that governs communication between devices in a network is refer to as ….
[A] Topology [B] Modulation [C] Multiplexing [D] Protocol
4 The major threat to computer network is
[A]Cabling [B] Cost [C] Security [D] maintenance
5 Data in the Data link layer is called
[A] Router [B]Packet[C] Frame [D] None of the above
6 A bridge is used to ……………………
[A] Connect different segments of a network [B] To forward data to other network
[C] To provide security in the network [D] All of the above
7Transmission Control Protocol (TCP) is a protocol used in ………... layer of OSI model?
1
[A] Presentation[B]Physical[C] Transport[D] None of the above
8 Network operating system is an exampleof
[A] Firmware [B] Network software[C] Network cable[D]None of the above
9 The central device in a star topology iscalled ………………
[A] Central core [B] Concentrator[C] Both A and B[D]None of the above
10 Why are cables twisted in pairs in twisted pair cable?
[A]To increase transmission speed [B]To reduce the effect of noise during transmission [C]To
reduce cost of transmitting data[D] None of the above
11 ………… is a collection of point-to-point links that may form a circle
[A] LAN[B] MAN[C] WAN[D] Ring topology
12 A computer network permit sharing of

[A] Resources[ B ] Information [ C ] Both A and B [ D ] None of the above

13 …..is a technology that covers geographic areas such as districts or cities

[ A ] LAN[ B ] MAN [ C ] WAN [ D ] All of the above

14 …..is a network that connects computers and people within a small geographic area

[ A ] LAN [ B ] MAN [ C ] WAN [ D ] All of the above

15 An example of peer to peer network is the …………….topology


[A] Ring[B] Tree[ C ] Mesh [ D ] Bus
16 A type of network topology that a wide range of software and hardware venders is
[A] Ring[B] Tree[ C ] Mesh [ D ] Bus
17 One quality that makes a server different from the clients is the presence of …………
[A] Storage [B] Network [C] Stability [D] Versatility
18 Digital signal is commonly used in
[A] Telephone lines [B] Computer [C] Both A and B [D] None of the above
19 …………………….. Is an external secondary storage
[A] BIOS [B] Floppy disk [C] Flash disk [D] Hard disk
20 Which of the following is odd in the list
[A] Hub [B]Bridge[C] NIC [D] NOS

2
SECTION B: VERIFICATION OF COMPETENCE (20 Marks)
Microwaves are examples of unbounded media
Defined the term unbounded media (2 Marks)
……………………………………………………………………………………………………
…………………………………………………………………………………………………….
Name four other types of unbounded media (2 Marks)
……………………………………………………………………………………………………
…………………………………………………………………………………………………….
There are two types of Microwave systems name them (2 Marks)
…………………………………………. And ………………………………………………......
With the help of a diagram describe each type of Microwave systems named above(4 Marks)

Defined the term bounded media and state 3 examples of bounded media (2 Marks)
……………………………………………………………………………………………………
…………………………………………………………………………………………………….
List the seven layers of the OSI reference model in an orderly manner (3 Marks)
……………………………………………………………………………………………………
……………………………………………………………………………………………………
…………………………………………………………………………………………………….
Write down the full meaning of the following abbreviations (2 Marks)
OSI……………………………………………………………………………………………......
DNS……………………………………………………………………………………………….
SMTP……………………………………………………………………………………………..
POP……………………………………………………………………………………………….
Draw a well labeled diagram of Coaxial cable (3 Marks)

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