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Fundamentals of Networking Quiz

Total questions: 40

Worksheet time: 20mins

Name
Class
Date
1.

What is a computer network?

a)

A single computer system

b)

A collection of printers

c)

Two or more computers connected together to share resources

d)

A computer without internet access

2.

What device connects multiple networks together?

a)

Switch

b)

Router

c)

Hub

d)

Repeater

3.

What does LAN stand for?

a)

Local Area Network

b)

Logical Access Network

c)

Limited Area Network

d)

Long Area Network

4.

Which of the following is NOT a benefit of networking?

a)

Resource sharing

b)

File sharing

c)

Virus spreading

d)

Communication

5.

What topology connects each computer to a central hub?

a)

Ring

b)

Mesh

c)

Star

d)

Bus

6.

Which device works at Layer 2 of the OSI Model?

a)

Router

b)

Switch

c)

Firewall

d)

Repeater

7.

What is the main purpose of a firewall?

a)

Enhance network speed

b)

Provide backup

c)

Control traffic between networks

d)

Connect computers

8.

What is the physical layout of a network called?

a)

Protocol

b)

Topology

c)

Architecture

d)

Interface

9.

What protocol is used to send emails?

a)

HTTP

b)

FTP

c)

SMTP

d)

DHCP

10.

Which transmission mode allows data to flow in both directions at the same time?

a)

Simplex

b)

Half Duplex

c)

Full Duplex

d)

Parallel

11.

What is the size of an IPv4 address?

a)

32 bytes

b)

64 bits

c)

32 bits

d)

128 bits

12.

Which of the following is a valid IPv4 address?

a)

192.168.1.1

b)

300.0.0.1

c)

10.500.1.1

d)

192.168.256.0

13.

What class is the IP address 172.16.5.4?

a)

Class A

b)

Class B

c)

Class C

d)

Class D

14.

What is the default subnet mask of Class C IP address?

a)

255.0.0.0

b)

255.255.0.0

c)

255.255.255.0

d)

255.255.255.255

15.

What does DHCP stand for?

a)

Direct Host Configuration Protocol

b)

Dynamic Host Configuration Protocol

c)

Digital Host Control Protocol

d)

Device Host Configuration Protocol

16.

What is the purpose of a subnet mask?

a)

To identify MAC addresses

b)

To route emails

c)

To separate the network and host parts of an IP address

d)

To encrypt data

17.

What is the loopback address in IPv4?

a)

0.0.0.0

b)

127.0.0.1

c)

192.168.0.1

d)

255.255.255.255

18.

What is the broadcast address for the network 192.168.1.0/24?

a)

192.168.1.255

b)

192.168.0.1

c)

255.255.255.255

d)

192.168.1.0

19.

How many usable host addresses are there in a /24 subnet?

a)

254

b)

256

c)

255

d)

512

20.

What does NAT stand for?

a)

Network Access Table

b)

Network Address Translation

c)

Node Address Tracker

d)

None of the above

21.

How many layers are there in the OSI model?

a)

5

b)

6

c)

7

d)

8

22.

Which layer is responsible for routing data?

a)

Data Link

b)

Network

c)

Transport

d)

Application

23.

Which OSI layer deals with encryption and compression?

a)

Network

b)

Session

c)

Transport

d)

Presentation

24.

At which OSI layer does TCP operate?

a)

Data Link

b)

Transport

c)

Session

d)

Network

25.

Which layer ensures reliable transmission of data segments?

a)

Application

b)

Presentation

c)

Transport

d)

Physical

26.

What is the function of the Session Layer?

a)

Converts data formats

b)

Establishes, manages, and terminates sessions

c)

Manages IP addressing

d)

Transmits raw bits

27.

Which of the following protocols operates at the Application Layer?

a)

IP

b)

FTP

c)

TCP

d)

UDP

28.

What layer is responsible for logical addressing?

a)

Transport

b)

Network

c)

Data Link

d)

Physical

29.

What is the role of the Data Link Layer?

a)

Route packets

b)

Convert data into signals

c)

Error detection and MAC addressing

d)

Encrypt data

30.

Which layer is closest to the end-user?

a)

Network

b)

Application

c)

Data Link

d)

Session

31.

If a user is browsing a website, which OSI layer is directly involved?

a)

Transport

b)

Network

c)

Application

d)

Session

32.

What is the PDU (Protocol Data Unit) of the Transport Layer?

a)

Frame

b)

Packet

c)

Segment

d)

Bit

33.

Which OSI layer is responsible for MAC address functionality?

a)

Data Link

b)

Network

c)

Transport

d)

Session

34.

Which layer converts data into signals for transmission?

a)

Presentation

b)

Physical

c)

Session

d)

Application

35.

If data arrives out of order, which OSI layer reorders it?

a)

Application

b)

Network

c)

Transport

d)

Data Link

36.

What device operates primarily at the physical layer?

a)

Router

b)

Switch

c)

Hub

d)

Bridge

37.

Which layer adds source and destination port numbers?

a)

Application

b)

Transport

c)

Network

d)

Data Link

38.

What would happen if the Transport Layer did not exist?

a)

No MAC addressing

b)

No IP routing

c)

No data formatting

d)

No reliable data transfer

39.

What layer determines the path a packet takes?

a)

Network

b)

Transport

c)

Application

d)

Data Link

40.

In the OSI model, what layer handles syntax and semantics of information?

a)

Application

b)

Presentation

c)

Network

d)

Session

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