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 purpose of the network implementation phase?

  1. To install the network equipment

  2. To configure the network equipment

  3. To test the network

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

All of the above are purposes of the network implementation phase.

Multiple choice

What are some of the tools that can be used for network implementation?

  1. Network management software

  2. Network monitoring software

  3. Network simulation software

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

All of the above are tools that can be used for network implementation.

Multiple choice

Which communication technology is commonly used for establishing a reliable connection between the operator and the remote robot?

  1. Bluetooth

  2. Wi-Fi

  3. Cellular Network

  4. Fiber Optic Cable
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Fiber Optic Cables offer high bandwidth and low latency, making them suitable for transmitting large amounts of data and control signals required for teleoperation systems.

Multiple choice

What is the primary frequency range used by Wi-Fi networks?

  1. 2.4 GHz

  2. 5 GHz

  3. 10 GHz

  4. 15 GHz
Reveal answer Fill a bubble to check yourself
Correct answer
Explanation

Wi-Fi networks primarily operate in the 2.4 GHz and 5 GHz frequency ranges. The 2.4 GHz band is commonly used for home and office networks, while the 5 GHz band is often used for high-speed applications and to reduce interference.

Multiple choice

Which of the following is a short-range wireless technology commonly used for connecting devices such as smartphones and laptops?

  1. Bluetooth

  2. Wi-Fi

  3. LTE

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

Bluetooth is a short-range wireless technology that allows devices to communicate over short distances. It is commonly used for connecting devices such as smartphones, laptops, and headphones.

Multiple choice

Which of the following is a mobile device connectivity standard that enables devices to communicate with each other by touching or bringing them close together?

  1. NFC

  2. Bluetooth

  3. Wi-Fi

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

NFC (Near Field Communication) is a mobile device connectivity standard that allows devices to communicate with each other by touching or bringing them close together. It is commonly used for contactless payments, data exchange, and device pairing.

Multiple choice

What is the maximum theoretical speed of a Wi-Fi network operating in the 802.11ac standard?

  1. 1 Gbps

  2. 2 Gbps

  3. 3 Gbps

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

The maximum theoretical speed of a Wi-Fi network operating in the 802.11ac standard is 3 Gbps. This speed is significantly faster than previous Wi-Fi standards and allows for high-speed data transfers and streaming.

Multiple choice

Which of the following is a mobile device connectivity standard that enables devices to communicate with each other using microwaves?

  1. Wi-Fi

  2. Bluetooth

  3. LTE

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

Wi-Fi (Wireless Fidelity) is a mobile device connectivity standard that enables devices to communicate with each other using microwaves. It is commonly used for connecting devices to the internet and to each other.

Multiple choice

Which network architecture is commonly used for large-scale networks with multiple interconnected subnetworks?

  1. Bus Topology

  2. Star Topology

  3. Ring Topology

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

A hierarchical topology is a multi-layered network architecture where subnetworks are connected to each other in a hierarchical manner, allowing for efficient routing and scalability.

Multiple choice

What is the primary function of a router in a network?

  1. Data Transmission

  2. Data Storage

  3. Data Encryption

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

A router's primary function is to determine the best path for data packets to travel through a network, ensuring efficient and reliable data delivery.

Multiple choice

Which network design principle aims to minimize the number of hops a data packet takes to reach its destination?

  1. Load Balancing

  2. Fault Tolerance

  3. Shortest Path Routing

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

Shortest Path Routing is a network design principle that aims to find the shortest path between two nodes in a network, reducing latency and improving network performance.

Multiple choice

What is the primary function of a network switch in a LAN?

  1. Data Transmission

  2. Data Encryption

  3. Data Routing

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

A network switch's primary function is to forward data packets between devices connected to the same LAN, enabling efficient data transmission within the network.

Multiple choice

Which network design principle aims to distribute network traffic load across multiple paths to improve network performance?

  1. Load Balancing

  2. Fault Tolerance

  3. Shortest Path Routing

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

Load Balancing is a network design principle that distributes network traffic load across multiple paths, improving network performance and preventing congestion.

Multiple choice

Which network design principle aims to ensure that a network can continue to operate even if some of its components fail?

  1. Load Balancing

  2. Fault Tolerance

  3. Shortest Path Routing

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

Fault Tolerance is a network design principle that aims to ensure that a network can continue to operate even if some of its components fail, by implementing redundant components and backup systems.

Multiple choice

Which network design principle aims to control and manage network traffic to optimize network performance?

  1. Load Balancing

  2. Fault Tolerance

  3. Shortest Path Routing

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

Traffic Shaping is a network design principle that aims to control and manage network traffic to optimize network performance, by prioritizing certain types of traffic and limiting the bandwidth allocated to others.