Computer Networks LST

What is a network?

• A single computer used for personal tasks

• Two or more computers or devices connected for communication

• A device that stores data

• A type of software for managing files

Answer explanation

A network is defined as two or more computers or devices connected for communication. This allows them to share resources and information, distinguishing it from a single computer or storage device.

What is a stand-alone device?

• A device connected to a network

• A device that is not connected to a network

• A device used for gaming

• A device that only connects to the internet

Answer explanation

A stand-alone device is defined as one that operates independently and is not connected to a network. Therefore, the correct choice is 'A device that is not connected to a network', as it accurately describes this type of device.

Which of the following is NOT an example of a device that can be connected to a network?

• Smartphone

• Smartwatch

• Internet-enabled fridge

• Typewriter

Answer explanation

The typewriter is a mechanical device that does not connect to a network, unlike the smartphone, smartwatch, and internet-enabled fridge, which all have networking capabilities.

What is one advantage of using a network?

• Increased electricity usage

• File sharing between users

• More complex setup

• Limited communication options

Answer explanation

One advantage of using a network is file sharing between users, which allows for easy access and collaboration on documents and resources, enhancing productivity and communication.

Which of the following is an example of hardware sharing on a network?

• Sharing a document via email

• Using a shared printer

• Video chatting with a friend

• Accessing a website

Answer explanation

Using a shared printer is an example of hardware sharing on a network, as it allows multiple users to access and utilize the same physical printer, unlike the other options which involve sharing information or communication.

What does roaming access allow users to do on a network?

• Access files only from their personal computer

• Sign in to any computer on the network and access their files

• Use the network only during specific hours

• Connect to the network without a password

Answer explanation

Roaming access allows users to sign in to any computer on the network and access their files, providing flexibility and convenience for users who need to work from different locations within the network.

Which of the following is a medium through which devices can be connected in a network?

• Bluetooth

• Wi-Fi

• Infrared

• All of the above

Answer explanation

All of the options—Bluetooth, Wi-Fi, and Infrared—are valid mediums for connecting devices in a network. Therefore, the correct answer is 'All of the above'.

What is the primary purpose of a network?

• To increase the number of devices in a home

• To facilitate communication between connected devices

• To reduce the cost of individual devices

• To make devices more complex

Answer explanation

The primary purpose of a network is to facilitate communication between connected devices, allowing them to share data and resources effectively. This is essential for collaboration and efficient operation in various environments.

Which of the following is a form of communication enabled by networks?

• Email

• Handwritten letters

• Morse code

• Semaphore

Answer explanation

Email is a form of communication that relies on networks, allowing users to send messages electronically. In contrast, handwritten letters, Morse code, and semaphore do not require network infrastructure.

What is a common feature of larger networks?

• Limited user access

• Roaming access for users

• Only one device can connect at a time

• No file sharing capabilities

Answer explanation

Larger networks typically provide roaming access for users, allowing them to connect from different locations without losing connectivity. This feature enhances user mobility, unlike the other options which limit access.