Computer Knowledge

Computer Networks

2,095 Questions

Computer networks form the backbone of digital communication, connecting multiple devices to share data and resources. This area covers network architectures, transmission media, modems, and topologies like LAN. These concepts are crucial for computer knowledge sections in banking and government exams.

Network topologiesModulation and demodulationNetwork addressingFiber optic cablesWireless infrastructure

Computer Networks Questions

Multiple choice

What is the process of assigning a unique address to each device on a network called?

  1. Addressing

  2. Routing

  3. Switching

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

Addressing is the process of assigning a unique address to each device on a network, which allows for the identification and communication between devices.

Multiple choice

What is the process of establishing a connection between two devices on a network called?

  1. Handshake

  2. Authentication

  3. Authorization

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

Handshake is the process of establishing a connection between two devices on a network, which involves the exchange of control information to negotiate the parameters of the connection.

Multiple choice

Which of the following is NOT a type of wireless communication technology?

  1. Wi-Fi

  2. Bluetooth

  3. Cellular

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

Satellite is not a type of wireless communication technology, but rather a type of communication system that uses satellites to transmit and receive signals.

Multiple choice

Which type of network topology is commonly used in data centers?

  1. Bus topology

  2. Star topology

  3. Ring topology

  4. Mesh topology
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Mesh topology is commonly used in data centers because it provides multiple paths between devices, increasing redundancy and fault tolerance.

Multiple choice

What is the role of a data center switch?

  1. To connect servers and storage devices

  2. To route traffic between different networks

  3. To provide security for data and applications

  4. To manage network traffic and provide QoS
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A data center switch is responsible for managing network traffic and providing Quality of Service (QoS) to ensure that critical applications receive the necessary bandwidth and latency.

Multiple choice

What is the purpose of a data center router?

  1. To connect servers and storage devices

  2. To route traffic between different networks

  3. To provide security for data and applications

  4. To manage network traffic and provide QoS
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

A data center router is responsible for routing traffic between different networks, including the internet, other data centers, and branch offices.

Multiple choice

Which technology is commonly used for high-speed data transfer within a data center?

  1. Ethernet

  2. Fibre Channel

  3. InfiniBand

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

InfiniBand is commonly used for high-speed data transfer within a data center because it provides very high bandwidth and low latency.

Multiple choice

Which feature allows users to access media files stored on other devices in a network?

  1. DLNA

  2. UPnP

  3. SMB

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

DLNA, UPnP, and SMB are all protocols that allow users to access media files stored on other devices in a network.

Multiple choice

Which technology is used to stream media content from a Media Center PC to other devices in a home network?

  1. DLNA

  2. Miracast

  3. AirPlay

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

DLNA (Digital Living Network Alliance) is a technology used to stream media content from a Media Center PC to other devices in a home network.

Multiple choice

Which of the following is a type of underwater communication system that uses a cable to transmit data?

  1. Acoustic communication

  2. Optical communication

  3. Wired communication

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

Wired communication is a type of underwater communication system that uses a cable to transmit data.

Multiple choice

Which of the following is a type of underwater communication system that uses a buoy to relay data between underwater nodes and a surface station?

  1. Acoustic communication

  2. Optical communication

  3. Wired communication

  4. Buoy-based communication
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Buoy-based communication is a type of underwater communication system that uses a buoy to relay data between underwater nodes and a surface station.

Multiple choice

In the context of adaptability, what does the term 'loose coupling' refer to?

  1. Strong dependencies between components

  2. Minimal interaction between components

  3. Shared resources among components

  4. Fixed communication protocols
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Loose coupling minimizes dependencies between components, making it easier to modify or replace individual components without affecting the entire system.

Multiple choice

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

  1. Local Area Network (LAN)

  2. Wide Area Network (WAN)

  3. Metropolitan Area Network (MAN)

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

The Internet is not a type of computer network, but rather a global network of interconnected computer networks.

Multiple choice

What is the purpose of a network interface card (NIC) in a computer system?

  1. Connecting to a network

  2. Storing data and instructions

  3. Directing the flow of data and instructions

  4. Managing input and output devices
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

A network interface card (NIC) allows a computer system to connect to a network.

Multiple choice

What is the maximum amount of data that can be transmitted over a network connection in a given amount of time?

  1. Latency

  2. Bandwidth

  3. Jitter

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

Bandwidth refers to the capacity of a network connection to transmit data. It is measured in bits per second (bps) and determines the maximum amount of data that can be transferred over the connection in a given amount of time.