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Introduction to Networks

Total questions: 66

Worksheet time: 33mins

Name
Class
Date
1.

What is a network? Fill in the blank: A ______ connects computers and digital devices, allowing them to share data and resources.

a)

network

b)

printer

c)

monitor

d)

keyboard

2.

Which of the following is NOT facilitated by networks?

a)

Computer-to-computer communication

b)

Communication with printers and keyboards

c)

Cooking food

d)

Mobile phone networks

3.

Fill in the blank: Networks facilitate communication with devices like ______ and keyboards.

a)

printers

b)

tables

c)

books

d)

shoes

4.

Networks allow smart televisions and tablets to access media.

a)

True

b)

False

5.

What does LAN stand for?

a)

Local Area Network

b)

Large Area Network

c)

Long Area Network

d)

Local Access Network

6.

What does WAN stand for?

a)

Wide Area Network

b)

Wireless Area Network

c)

Wired Area Network

d)

Wide Access Network

7.

Fill in the blank: A LAN connects computers in close proximity, such as in ______ or homes.

a)

schools

b)

mountains

c)

forests

d)

deserts

8.

Fill in the blank: A WAN connects separate LANs over large distances, like ______ or countries.

a)

cities

b)

rooms

c)

desks

d)

buildings

9.

Which of the following is a characteristic of a LAN?

a)

Large Area Covered

b)

Difficult to Design & Maintain

c)

High data transfer rate

d)

Low setup cost

10.

Which of the following is a characteristic of a WAN?

a)

A) Small Area Covered

b)

B) More Secure

c)

C) High setup cost

d)

D) Easy to Design & Maintain

11.

What does LAN stand for?

a)

Local Area Network

b)

Large Area Network

c)

Long Area Network

d)

Local Access Node

12.

LANs allow devices within close proximity to ______ resources effectively.

a)

share

b)

hide

c)

destroy

d)

ignore

13.

Which of the following is NOT a feature of LANs?

a)

A) Can be wired or wireless

b)

B) Supports mobility

c)

C) Forms a Personal Area Network (PAN)

d)

D) Connects devices over long distances

14.

LANs can be both wired (using cables) and wireless (WLAN).

a)

True

b)

False

15.

What does WAN stand for?

a)

Wide Area Network

b)

Wireless Access Node

c)

Web Application Network

d)

Wide Access Node

16.

WANs connect multiple ______ over vast geographical areas.

a)

LANs

b)

routers

c)

servers

d)

switches

17.

Which of the following is a feature of WANs?

a)

A) Enables organizations with offices in different cities or countries to communicate

b)

B) Only works within a single building

c)

C) Does not allow data sharing

d)

D) Only connects one computer

18.

What does the cloud labeled 'WAN' represent in the context of the network?

a)

A single computer

b)

A local network

c)

A wide area network connecting multiple LANs

d)

A printer

19.

Fill in the blank: ________ are sets of rules that devices follow to communicate.

a)

Protocols

b)

Networks

c)

Cables

d)

Servers

20.

Which protocol is common for wired connections?

a)

Wi-Fi

b)

Bluetooth

c)

Ethernet

d)

Infrared

21.

Which protocol is used for wireless connections?

a)

Ethernet

b)

Wi-Fi

c)

Bluetooth

d)

USB

22.

Bluetooth is used for ________ communication between devices.

a)

Short-range

b)

Long-range

c)

Satellite

d)

Wired

23.

Wi-Fi is a protocol for ________ LANs.

a)

wireless

b)

wired

c)

optical

d)

virtual

24.

Wi-Fi and Bluetooth are essential for wireless communication. Which of the following allows devices to connect via a wireless access point?

a)

Bluetooth

b)

Wi-Fi

c)

Ethernet

d)

USB

25.

Fill in the blank: Bluetooth is a ________-range wireless protocol.

a)

short

b)

long

c)

medium

d)

ultra

26.

Wi-Fi and Bluetooth are essential for wireless communication. True or False: Bluetooth enables direct communication between personal devices like smartphones and speakers.

a)

True

b)

False

27.

What does a Network Interface Card (NIC) do?

a)

Connects computers to networks, formatting data and supporting wired/wireless connections

b)

Stores files for the network

c)

Provides power to the computer

d)

Manages software updates

28.

Each Network Interface Card (NIC) has a unique ________ for identification.

a)

MAC address

b)

IP address

c)

Subnet mask

d)

Gateway

29.

A Network Interface Card (NIC) supports both wired and wireless connections.

a)

True

b)

False

30.

What is the main function of a hub in networking?

a)

To serve as a central device connecting computers in a network

b)

To store data permanently

c)

To provide wireless internet

d)

To act as a firewall

31.

Hubs transmit messages to all connected devices, causing ________ traffic.

a)

unnecessary

b)

secure

c)

encrypted

d)

targeted

32.

Hubs allow only one device to transmit at a time.

a)

True

b)

False

33.

Hubs are considered 'dumb' devices and less commonly used today because:

a)

they do not filter or manage traffic, simply broadcasting data to all ports.

b)

they provide advanced routing and filtering capabilities.

c)

they are more secure than switches and routers.

d)

they are faster than modern network devices.

34.

What is the main function of switches in a network?

a)

Store data

b)

Improve network performance by intelligently directing messages

c)

Print documents

d)

Provide internet access

35.

How do switches work?

a)

They broadcast messages to all devices

b)

They read destination addresses and send messages only to intended devices

c)

They store files

d)

They connect to the internet

36.

Fill in the blank: Switches build a table of ______ addresses to efficiently direct traffic.

a)

MAC

b)

IP

c)

DNS

d)

ARP

37.

Switches can send and receive information simultaneously, making them faster than hubs.

a)

True

b)

False

38.

Fill in the blank: One of the benefits of using switches over hubs is ______ network traffic.

a)

reduced

b)

increased

c)

randomized

d)

duplicated

39.

Fill in the blank: Switches allow for faster ______ between devices compared to hubs.

a)

communication

b)

storage

c)

printing

d)

charging

40.

Fill in the blank: Switches enable simultaneous data transmission for improved ______.

a)

efficiency

b)

latency

c)

complexity

d)

cost

41.

Fill in the blank: Different types of networks, such as ______ and WAN, serve various purposes. Protocols like Ethernet, Wi-Fi, and Bluetooth enable device communication.

a)

LAN

b)

PAN

c)

SAN

d)

MAN

42.

Fill in the blank: Essential devices, including NICs, hubs, and ______, play important roles in connecting networks.

a)

switches

b)

monitors

c)

printers

d)

scanners

43.

Fill in the blank: Understanding networks helps us appreciate how devices communicate and share ______ in our daily lives.

a)

resources

b)

colors

c)

vehicles

d)

plants

44.

What is the main function of network devices as described in the passage?

a)

To store data permanently

b)

To manage and direct data across networks

c)

To create software applications

d)

To design websites

45.

According to the passage, network devices play a crucial role in ensuring that messages reach their intended destinations efficiently.

a)

True

b)

False

46.

Fill in the blank: Network devices help ______ data traffic within networks, direct messages to the correct devices, and improve overall network performance.

a)

handle

b)

delete

c)

ignore

d)

hide

47.

Refer to the diagram of network devices. Which device connects multiple company PCs and a network server?

a)

Router

b)

Gigabit Switch

c)

Wireless Access Point

d)

DSL/Cable Modem

48.

Based on the diagram, which device is responsible for providing wireless connectivity to company PCs?

a)

Network Server

b)

Wireless Access Point

c)

Router

d)

Remote PC

49.

What are switches in networking?

a)

Devices that send messages randomly

b)

Advanced network devices that send messages more intelligently than hubs

c)

Devices that only receive messages

d)

Devices that store data

50.

What is the purpose of inspecting MAC addresses in switches?

a)

To store data

b)

To read destination addresses to send messages only to intended devices

c)

To delete messages

d)

To slow down the network

51.

Fill in the blank: Switches build a ________ to maintain a record of all MAC addresses on the network for efficient traffic management.

a)

MAC address table

b)

routing protocol

c)

firewall rule

d)

IP address pool

52.

Fill in the blank: One of the benefits of switches is to ________ by sending messages only to intended devices.

a)

reduce unnecessary traffic

b)

increase network congestion

c)

slow down data transfer

d)

broadcast to all devices

53.

Fill in the blank: Switches allow for faster data transmission, which helps to ________.

a)

increase performance

b)

reduce security

c)

decrease reliability

d)

limit connectivity

54.

Fill in the blank: Switches enable devices to send and receive information at the same time, allowing for ________.

a)

simultaneous communication

b)

delayed transmission

c)

single-direction flow

d)

manual switching

55.

What is the main function of a bridge in a Local Area Network (LAN)?

a)

To connect different segments of a LAN

b)

To provide internet access

c)

To store data

d)

To print documents

56.

How do bridges improve performance in a network?

a)

By increasing the number of hosts

b)

By preventing transmissions from one segment from reaching others, reducing congestion

c)

By providing wireless access

d)

By storing data

57.

Fill in the blank: Bridges enhance security by ______ segments to protect against harmful programs and unauthorized access.

a)

isolating

b)

connecting

c)

merging

d)

expanding

58.

What device is used to connect HUB 1 and HUB 2, creating two separate collision domains?

a)

Switch

b)

Router

c)

Bridge

d)

Repeater

59.

What function of routers allows different networks to communicate with each other? (Fill in the blank)

a)

Network communication

b)

Data encryption

c)

Power supply

d)

User authentication

60.

What function of routers manages data transmission over wide area networks like the internet? (Fill in the blank)

a)

Direct data across WANs

b)

Encrypts all data packets

c)

Stores user passwords

d)

Monitors CPU temperature

61.

Routers are vital for connecting different networks and directing data. What function of routers enables multiple devices to share a single internet connection? (Fill in the blank)

a)

Connect home networks

b)

Encrypt data packets

c)

Increase Wi-Fi speed

d)

Block all incoming traffic

62.

What does the Header of a data packet contain?

a)

The actual message being sent

b)

Source and destination addresses, and the packet's position

c)

Error checking information

d)

The end of the packet

63.

Fill in the blank: The Body (Payload) of a data packet holds the _________?

a)

actual message being sent

b)

IP address of the sender

c)

routing information

d)

encryption key

64.

Packet Creation: The source computer splits the file into packets and addresses them with the recipient’s ____ address. (Fill in the blank)

a)

IP

b)

MAC

c)

DNS

d)

URL

65.

Packets are sent over the network using cables or ____ waves. Routers inspect each packet to find the destination address.

a)

radio

b)

sound

c)

infrared

d)

light

66.

Routing and Delivery: Each router uses a configuration table to determine the best path for ____. (Fill in the blank)

a)

data

b)

power

c)

sound

d)

light