Computer Knowledge Quiz 6

1 / 15

What is the function of a firewall in network security?

Filters and monitors network traffic

Manages routing tables

Allocates IP addresses

Encrypts data transmissions

2 / 15

Which of the following devices operates at the Application Layer of the OSI model?

Switch

Hub

Router

Gateway

3 / 15

What is the purpose of the Ping command in networking?

Encrypt data transmissions

Measure network latency and check connectivity

Configure network settings

Send files between devices

4 / 15

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

Amplifies network signals

Connects devices within a LAN

Manages IP addresses

Filters and forwards data between different networks

5 / 15

What is the purpose of DNS (Domain Name System) in networking?

Establishing secure connections

Routing data between networks

Translating domain names to IP addresses

Assigning IP addresses to devices

6 / 15

Which of the following is a valid IPv6 address format?

192.168.1.1

255.255.255.0

127.0.0.1

2001:0db8:85a3:0000:0000:8a2e:0370:7334

7 / 15

What is the primary function of the ARP (Address Resolution Protocol) in networking?

Ensuring secure connections

Translating IP addresses to MAC addresses

Routing data between networks

Assigning IP addresses to devices

8 / 15

What is the purpose of an IP address in networking?

Ensuring secure connections

Managing network hardware

Controlling data flow in a network

Identifying a device on the internet

9 / 15

Which networking protocol is used for the secure transmission of files over a network?

FTP (File Transfer Protocol)

SMTP (Simple Mail Transfer Protocol)

SSH (Secure Shell)

HTTP (Hypertext Transfer Protocol)

10 / 15

What does the acronym LAN stand for in networking?

Large Area Network

Local Area Network

Local Access Network

Long Area Network

11 / 15

Which of the following is a layer-2 device that operates at the Data Link layer of the OSI model?

Hub

Repeater

Switch

Router

12 / 15

What device is used to connect multiple computers in a local area network (LAN)?

Hub

Modem

Router

Switch

13 / 15

In the OSI model, which layer is responsible for error detection and correction?

Transport Layer

Data Link Layer

Network Layer

Presentation Layer

14 / 15

Which protocol is commonly used for sending and receiving emails?

SMTP

FTP

ICMP

SNMP

15 / 15

Which of the following is a wireless networking standard?

Ethernet

USB

HDMI

Bluetooth

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