Computer Knowledge

Computer Networks

2,614 Questions

Computer networks involve the architecture, protocols, and security measures used for digital communication. This collection covers OSI model layers, IP addressing, data transmission, and cryptographic standards. These concepts are vital for the computer knowledge sections of banking and government exams.

OSI model layersNetwork protocolsIP subnet maskingData encryption standardsServer configurationsNetwork commands

Computer Networks Questions

Multiple choice

Which of the following is NOT a type of error control technique?

  1. Forward Error Correction (FEC)

  2. Automatic Repeat Request (ARQ)

  3. Checksum

  4. Parity Check
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Checksum is not a type of error control technique, but rather a method for detecting errors in data transmission.

Multiple choice

Which of the following is NOT a type of network protocol?

  1. Transmission Control Protocol (TCP)

  2. Internet Protocol (IP)

  3. Hypertext Transfer Protocol (HTTP)

  4. File Transfer Protocol (FTP)
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Hypertext Transfer Protocol (HTTP) is not a type of network protocol, but rather an application protocol used for transferring web pages and files over the World Wide Web.

Multiple choice

Which protocol is commonly used for communication between data center devices?

  1. TCP/IP

  2. UDP

  3. Ethernet

  4. Fibre Channel
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

TCP/IP is the most commonly used protocol for communication between data center devices because it is a well-established and widely supported protocol.

Multiple choice

Which protocol is commonly used for managing data center devices?

  1. SNMP

  2. Telnet

  3. SSH

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

All of the above protocols are commonly used for managing data center devices.

Multiple choice

Which networking protocol is commonly used for real-time multiplayer games?

  1. TCP

  2. UDP

  3. HTTP

  4. FTP
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

UDP (User Datagram Protocol) is often preferred for real-time multiplayer games due to its low latency and ability to handle unreliable data transmission, making it suitable for fast-paced and action-packed gameplay.

Multiple choice

What is the term used to describe the process of assigning a unique address to each device connected to a network?

  1. Encryption

  2. Routing

  3. IP Addressing

  4. Broadcasting
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

IP addressing involves assigning a unique Internet Protocol (IP) address to each device connected to a network, allowing them to communicate with each other and access resources on the network.

Multiple choice

Which protocol is commonly used for network management?

  1. HTTP

  2. FTP

  3. SNMP

  4. DNS
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Simple Network Management Protocol (SNMP) is widely used for network management. It provides a standardized framework for monitoring and managing network devices, enabling administrators to collect information, configure devices, and detect and resolve issues.

Multiple choice

Which of the following is a common network management tool?

  1. Ping

  2. Traceroute

  3. Wireshark

  4. Nmap
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Wireshark is a widely used network management tool that allows administrators to capture and analyze network traffic in real-time. It provides detailed insights into network protocols, packet structure, and communication patterns, aiding in troubleshooting, security analysis, and performance optimization.

Multiple choice

Which of the following is a common network management standard?

  1. ISO/IEC 20000

  2. ITIL

  3. IEEE 802.11

  4. TCP/IP
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

ISO/IEC 20000 is a widely recognized international standard for IT service management, including network management. It provides a framework for organizations to implement effective and efficient network management practices, ensuring the delivery of high-quality network services.

Multiple choice

Which of the following is a common network management tool for monitoring network traffic?

  1. Ping

  2. Traceroute

  3. Wireshark

  4. Nmap
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Wireshark is a widely used network management tool that allows administrators to capture and analyze network traffic in real-time. It provides detailed insights into network protocols, packet structure, and communication patterns, aiding in troubleshooting, security analysis, and performance optimization.

Multiple choice

Which lighting control protocol is widely used in professional lighting systems?

  1. DMX512

  2. MIDI

  3. RS-232

  4. Ethernet
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

DMX512 (Digital Multiplex) is a standard protocol used for communication between lighting controllers and lighting fixtures, allowing for precise control over lighting parameters.

Multiple choice

In the context of computer networking, what does the term 'OSI model' stand for?

  1. Open Systems Interconnection model

  2. Object-Oriented Systems Interconnection model

  3. Open Source Interconnection model

  4. Object-Oriented Interconnection model
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

The OSI model (Open Systems Interconnection model) is a conceptual framework that describes the different layers of communication in a network. It consists of seven layers: Physical, Data Link, Network, Transport, Session, Presentation, and Application.

Multiple choice

Which of the following is a widely used protocol for data communication over the internet?

  1. HTTP

  2. FTP

  3. SMTP

  4. SSH
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

HTTP (Hypertext Transfer Protocol) is a widely used protocol for data communication over the internet. It is primarily used to transfer web pages and other resources between web browsers and web servers.

Multiple choice

Which of the following is an example of a firewall?

  1. Packet filtering firewall

  2. Stateful inspection firewall

  3. Application-layer firewall

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Packet filtering firewalls, stateful inspection firewalls, and application-layer firewalls are all examples of firewalls.

Multiple choice

Which communication protocol is commonly used for DER integration and control?

  1. Modbus

  2. Distributed Network Protocol (DNP3)

  3. Internet of Things (IoT) protocols

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

DER integration and control utilize various communication protocols, including Modbus, Distributed Network Protocol (DNP3), and Internet of Things (IoT) protocols, depending on specific requirements and applications.