Computer Knowledge

Computer Networks

2,461 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 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 of the following is a common application of BCH codes?

  1. Deep space communications

  2. Barcodes

  3. Magnetic recording systems

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

BCH codes are employed in various applications, including deep space communications, barcodes, and magnetic recording systems.

Multiple choice

What is the role of a waveguide in microwave communication systems?

  1. To guide microwaves from one point to another

  2. To amplify the microwave signal

  3. To modulate the microwave signal

  4. To demodulate the microwave signal
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Waveguides are used to guide microwaves from one point to another, typically between the transmitter and receiver, with minimal loss of signal strength.

Multiple choice

Which technology has enabled street food vendors to accept digital payments, making transactions more convenient and efficient?

  1. NFC (Near Field Communication)

  2. QR Codes

  3. Mobile Payment Apps

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

NFC, QR Codes, and Mobile Payment Apps have all contributed to the adoption of digital payments in the street food industry, providing customers with cashless and contactless payment options.

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.

Multiple choice

What is the name of the data sharing protocol developed by the NIC?

  1. National Data Sharing and Accessibility Protocol (NDSAP)

  2. National Data Sharing Framework (NDSF)

  3. National Data Sharing Platform (NDSP)

  4. National Data Sharing Protocol (NDSP)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The National Data Sharing Protocol (NDSP) is the data sharing protocol developed by the NIC.

Multiple choice

What is the name of the data sharing standard developed by the NIC?

  1. National Data Sharing and Accessibility Standard (NDSAP)

  2. National Data Sharing Framework (NDSF)

  3. National Data Sharing Platform (NDSP)

  4. National Data Sharing Standard (NDSS)
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The National Data Sharing Standard (NDSS) is the data sharing standard developed by the NIC.

Multiple choice

Which network device is responsible for assigning IP addresses to devices on a network?

  1. Switch

  2. Hub

  3. Router

  4. DHCP Server
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A DHCP Server (Dynamic Host Configuration Protocol Server) is responsible for assigning IP addresses to devices on a network. It dynamically assigns IP addresses, subnet masks, and other network configuration parameters to devices, ensuring that each device has a unique IP address.

Multiple choice

Which protocol is commonly used for communication between the control plane and data plane in SDN?

  1. OpenFlow

  2. Border Gateway Protocol (BGP)

  3. Transmission Control Protocol (TCP)

  4. Internet Protocol (IP)
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

OpenFlow is a widely adopted protocol used for communication between the control plane and data plane in SDN. It enables the control plane to program and manage the behavior of data plane devices.