Question 1

What is required to create a network?

Accepted Answer

Computers that want to share, media, network devices, peripherals, and data services

Answer

Only computers and cables

Answer

A hub and a switch

Answer

A router and an access point

Question 2

What does LAN stand for?

Accepted Answer

Local Area Network

Answer

Limited Area Network

Answer

Local Access Network

Answer

Large Area Network

Question 3

Which of the following is a characteristic of a LAN?

Accepted Answer

Devices share a common IP address range within a localized area

Answer

It can only connect up to 10 devices

Answer

It connects devices using telephone lines

Answer

Devices are connected across a wide geographic area

Question 4

Which protocol suite governs most network communications today?

Accepted Answer

TCP/IP

Answer

ARP/DNS

Answer

FTP/SFTP

Answer

SMTP/POP3

Question 5

What is the main difference between a hub and a switch?

Accepted Answer

A hub sends messages to everyone, while a switch sends them only to the destination device

Answer

A hub is used for WANs, and a switch is used for LANs

Answer

A switch is a wireless device, and a hub is wired

Answer

A switch connects multiple networks, while a hub only connects computers

Question 6

What is the primary function of a router in a network?

Accepted Answer

To connect two different networks and direct messages to the correct destination

Answer

To establish a wireless connection

Answer

To assign IP addresses to devices

Answer

To broadcast messages to all devices

Question 7

How does TCP differ from UDP?

Accepted Answer

TCP ensures reliable delivery, while UDP is faster but less reliable

Answer

TCP is used for gaming, while UDP is used for email

Answer

TCP is connectionless, while UDP is connection-oriented

Answer

TCP does not use port numbers, but UDP does

Question 8

Which protocol uses a "3-Way Handshake" to establish a connection?

Accepted Answer

TCP

Answer

UDP

Answer

HTTP

Answer

FTP

Question 9

Which protocol is most commonly associated with port 80?

Accepted Answer

HTTP

Answer

FTP

Answer

SMTP

Answer

SSH

Question 10

What is the purpose of a MAC address?

Accepted Answer

It serves as the physical, hardcoded address of a device

Answer

It provides a temporary identifier for devices on a network

Answer

It changes depending on the IP address assigned

Answer

It identifies the software application being used

Question 11

What does ARP stand for, and what is its function?

Accepted Answer

Address Resolution Protocol; to map an IP address to a MAC address

Answer

Advanced Resolution Process; to resolve network conflicts

Answer

Address Registration Protocol; to register devices on a network

Answer

Address Routing Protocol; to manage IP addresses across networks

Question 12

What is the difference between IPv4 and IPv6?

Accepted Answer

IPv4 is older and uses a dotted decimal notation; IPv6 is newer but less widely used

Answer

IPv6 is used exclusively for wireless networks, while IPv4 is for wired networks

Answer

IPv6 uses 4 octets, while IPv4 uses 8 octets

Answer

IPv4 allows more devices on a network than IPv6

Question 13

What happens when a hub receives a message?

Accepted Answer

It broadcasts the message to all connected devices

Answer

It sends the message only to the destination device

Answer

It stores the message and waits for an acknowledgment

Answer

It sends the message to the router for processing

Question 14

Which of these devices tracks the MAC address of devices to send messages directly to the intended recipient?

Accepted Answer

Switch

Answer

Router

Answer

Wireless Access Point

Answer

Hub

Question 15

Why is a MAC address considered unique?

Accepted Answer

It is hardcoded by the device manufacturer and remains unchanged

Answer

It is assigned by network administrators and can be easily changed

Answer

It is based on the IP address assigned by the network

Answer

It is based on the IP address assigned by the network

Question 16

What is the primary purpose of the Address Resolution Protocol (ARP)?

Accepted Answer

To translate an IP address into a MAC address

Answer

To translate a MAC address into an IP address

Answer

To broadcast messages to all devices

Answer

To assign IP addresses to devices

Question 17

What is the key difference between circuit switching and packet switching?

Accepted Answer

Circuit switching establishes a dedicated connection, while packet switching breaks data into packets sent via different routes

Answer

Packet switching is used only for analog networks, while circuit switching is digital

Answer

Packet switching requires direct connections, while circuit switching does not

Answer

Circuit switching is used for email delivery, while packet switching is used for voice calls

Question 18

What is a “carrier” protocol required for all data packets to handle transport details?

Accepted Answer

TCP or UDP

Answer

HTTP or HTTPS

Answer

FTP or SSH

Answer

DNS or DHCP

Question 19

What is a MAC address also known as?

Accepted Answer

The physical address

Answer

The gateway address

Answer

The logical address

Answer

The public address

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