Computer Knowledge Quiz 6

1 / 15

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

Hub

Switch

Gateway

Router

2 / 15

Which of the following is a wireless networking standard?

Ethernet

HDMI

Bluetooth

USB

3 / 15

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

Hub

Modem

Switch

Router

4 / 15

Which protocol is commonly used for sending and receiving emails?

SMTP

FTP

ICMP

SNMP

5 / 15

What is the purpose of an IP address in networking?

Managing network hardware

Controlling data flow in a network

Identifying a device on the internet

Ensuring secure connections

6 / 15

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

Routing data between networks

Assigning IP addresses to devices

Translating IP addresses to MAC addresses

Ensuring secure connections

7 / 15

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

Switch

Router

Repeater

Hub

8 / 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

9 / 15

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

SMTP (Simple Mail Transfer Protocol)

FTP (File Transfer Protocol)

SSH (Secure Shell)

HTTP (Hypertext Transfer Protocol)

10 / 15

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

Translating domain names to IP addresses

Assigning IP addresses to devices

Establishing secure connections

Routing data between networks

11 / 15

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

Filters and forwards data between different networks

Amplifies network signals

Manages IP addresses

Connects devices within a LAN

12 / 15

What does the acronym LAN stand for in networking?

Long Area Network

Local Access Network

Local Area Network

Large Area Network

13 / 15

Which of the following is a valid IPv6 address format?

127.0.0.1

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

192.168.1.1

255.255.255.0

14 / 15

What is the function of a firewall in network security?

Allocates IP addresses

Encrypts data transmissions

Manages routing tables

Filters and monitors network traffic

15 / 15

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

Presentation Layer

Transport Layer

Data Link Layer

Network Layer

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