Computer Knowledge Quiz 7

1 / 15

Which of the following is a common protocol used for real-time communication, such as voice and video calls, over the internet?

FTP

SMTP

VoIP (Voice over Internet Protocol)

DNS

2 / 15

What is the role of DHCP (Dynamic Host Configuration Protocol) in a network?

Configuring domain names

Dynamically assigning IP addresses to devices

Managing network security

Assigning static IP addresses

3 / 15

Which of the following is a common protocol used for real-time communication, such as voice and video calls, over the internet?

Filtering network traffic

Diagnosing network issues and sending error messages

Assigning IP addresses

Ensuring secure connections

4 / 15

Which protocol is used for secure communication over the internet, especially for web browsing?

SNMP

HTTPS

Telnet

FTP

5 / 15

What is the purpose of ICMP (Internet Control Message Protocol) in networking?

Diagnosing network issues and sending error messages

Ensuring secure connections

Filtering network traffic

Assigning IP addresses

6 / 15

Which of the following is a stateful firewall?

Proxy firewall

Packet-filtering firewall

Circuit-level gateway

Stateless firewall

7 / 15

What is the purpose of a VPN (Virtual Private Network) in networking?

Assigning IP addresses

Filtering network traffic

Managing domain names

Establishing a secure, private connection over the internet

8 / 15

Which of the following is a protocol used for sending emails to a mail server?

SMTP (Simple Mail Transfer Protocol)

IMAP (Internet Message Access Protocol)

POP3 (Post Office Protocol version 3)

HTTP (Hypertext Transfer Protocol)

9 / 15

What is the purpose of a MAC address in networking?

Filtering network traffic

Identifying a device on the internet

Assigning IP addresses

Uniquely identifying a network interface card (NIC)

10 / 15

Which layer of the OSI model is responsible for logical addressing, routing, and path determination?

Application Layer

Network Layer

Transport Layer

Data Link Layer

11 / 15

What is the purpose of NAT (Network Address Translation) in a router?

Managing domain names

Assigning IP addresses to devices

Translating MAC addresses to IP addresses

Converting private IP addresses to public IP addresses

12 / 15

What is the primary function of a DNS server in a network?

Managing routing tables

Translating domain names to IP addresses

Filtering network traffic

Allocating IP addresses

13 / 15

Which networking device operates at the Physical Layer of the OSI model and regenerates signals?

Hub

Repeater

Switch

Router

14 / 15

What is the primary purpose of QoS (Quality of Service) in networking?

Ensuring network security

Improving data transfer speed

Assigning IP addresses dynamically

Managing network traffic to meet specific requirements

15 / 15

Which layer of the OSI model is responsible for end-to-end communication and data integrity?

Presentation Layer

Data Link Layer

Transport Layer

Network Layer

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Computer Knowledge Quiz 7

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