Computer Knowledge Quiz 7 » IndoLogus.com

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Computer Knowledge Quiz 7

1 / 15

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

Allocating IP addresses

Translating domain names to IP addresses

Managing routing tables

Filtering network traffic

2 / 15

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

SNMP

Telnet

FTP

HTTPS

3 / 15

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

Assigning IP addresses dynamically

Improving data transfer speed

Ensuring network security

Managing network traffic to meet specific requirements

4 / 15

Which of the following is a stateful firewall?

Proxy firewall

Stateless firewall

Circuit-level gateway

Packet-filtering firewall

5 / 15

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

VoIP (Voice over Internet Protocol)

FTP

DNS

SMTP

6 / 15

What is the purpose of a MAC address in networking?

Identifying a device on the internet

Filtering network traffic

Assigning IP addresses

Uniquely identifying a network interface card (NIC)

7 / 15

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

Network Layer

Application Layer

Transport Layer

Data Link Layer

8 / 15

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

Network Layer

Data Link Layer

Presentation Layer

Transport Layer

9 / 15

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

Managing domain names

Filtering network traffic

Establishing a secure, private connection over the internet

Assigning IP addresses

10 / 15

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

Configuring domain names

Dynamically assigning IP addresses to devices

Assigning static IP addresses

Managing network security

11 / 15

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

Hub

Switch

Router

Repeater

12 / 15

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

Converting private IP addresses to public IP addresses

Translating MAC addresses to IP addresses

Managing domain names

Assigning IP addresses to devices

13 / 15

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

Diagnosing network issues and sending error messages

Assigning IP addresses

Ensuring secure connections

Filtering network traffic

14 / 15

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

HTTP (Hypertext Transfer Protocol)

IMAP (Internet Message Access Protocol)

POP3 (Post Office Protocol version 3)

SMTP (Simple Mail Transfer Protocol)

15 / 15

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

Assigning IP addresses

Filtering network traffic

Diagnosing network issues and sending error messages

Ensuring secure connections

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