Computer Hardware And Network Maintenance(Scvt)

FTP stands for File Transfer Protocol. This protocol is used to transfer files between computers on a network. It provides a standard set of commands and rules for transferring files from one computer to another over a TCP/IP network, such as the internet. FTP is commonly used by web developers to upload files to a web server, allowing websites to be published and updated. It is a reliable and efficient method for transferring files, making it an essential tool for file management and sharing.

A wireless device is a device that can be connected to a network without the need for cables. This type of device utilizes wireless technology, such as Wi-Fi or Bluetooth, to establish a connection with the network. Unlike centralized or distributed devices, which refer to the structure or organization of a network, "wireless device" specifically describes the method of connectivity. Open-source device, on the other hand, refers to a device whose design and code are publicly accessible and can be modified by users.

WWAN stands for Wireless Wide Area Networks. This term refers to a type of wireless network that covers a large geographical area, such as a city or even a whole country. Unlike local area networks (LANs) or personal area networks (PANs), which have a limited range, WWANs use cellular technology to provide wireless connectivity over a wide area. This allows users to access the internet and other network resources even when they are far away from a Wi-Fi hotspot or wired connection.

Bluetooth is a wireless device technology that allows for the transfer of data and information between devices without the need for physical wired connections. It enables devices such as smartphones, laptops, and speakers to connect and communicate with each other over short distances. Therefore, the correct answer is "wireless Device".

A LAN, or Local Area Network, is a type of network that connects personal computers within a small geographic area, such as a single building. It allows for the sharing of resources, such as printers and files, and enables communication between devices within the network. LANs are commonly used in homes, offices, schools, and other small-scale environments where a limited number of devices need to be connected. Unlike WANs (Wide Area Networks) or MANs (Metropolitan Area Networks), LANs have a smaller coverage area and are typically easier to set up and manage. TAN (Tiny Area Network) is not a commonly used term in networking.

A modulator-demodulator, commonly known as a modem, is a device that modulates digital signals from a computer into analog signals that can be transmitted over telephone lines. It also demodulates the analog signals received from the telephone lines back into digital signals that the computer can understand. The term "modem" is derived from the words "modulator" and "demodulator" which describe the two main functions of the device. Therefore, the correct answer is modem.

E-learning is a popular method of learning about computers without attending a physical classroom. It involves using electronic devices and the internet to access educational materials, courses, and resources. This form of learning allows individuals to study at their own pace and convenience, regardless of their location. It provides flexibility and accessibility, making it a preferred choice for many who want to gain knowledge about computers without the need for traditional classroom settings.

A protocol is a set of rules that governs the communication between two or more devices or systems. It defines the format, timing, sequencing, and error control of the data being transmitted. In the context of the given question, a protocol is the correct answer because it is a set of rules that determines how data is exchanged between devices or systems on a network.

A device that connects to a network without the use of cables is said to be "Wireless." This means that the device can communicate and access the network through wireless signals, such as Wi-Fi or Bluetooth, instead of relying on physical cables.

MAN stands for Metropolitan area network. A Metropolitan area network is a network that spans across a metropolitan area or a city. It covers a larger geographical area than a local area network (LAN) but smaller than a wide area network (WAN). MANs are typically used to connect multiple LANs within a city or metropolitan area, providing high-speed connectivity and allowing for the efficient transfer of data between different locations.

The correct answer is "A large network of networks." This answer accurately describes the Internet as a vast interconnected system of networks, allowing for the exchange of information and communication between billions of devices worldwide. It highlights the scale and complexity of the Internet, which encompasses various networks, including local, regional, national, and international networks, all interconnected to facilitate global communication and data sharing.

A modem is connected to a telephone line because it is used to transmit data over a phone network. Modems convert digital signals from a computer into analog signals that can be transmitted over a telephone line, allowing for internet connectivity and communication between devices.

Computers connected to a LAN (local area network) can share information and/or share peripheral equipment. This means that they can exchange data and files with each other, as well as access and use shared devices such as printers, scanners, and storage devices. LANs allow for efficient collaboration and resource sharing among connected computers, enhancing productivity and convenience in a networked environment.

The correct answer is Internet. The Internet is a vast network of computers that connects millions of people all over the world. It allows for the sharing of information, communication, and access to various services and resources. LAN (Local Area Network) refers to a network that connects devices within a limited area, such as a home or office. The Web is a system of interconnected documents and other resources, accessed through the Internet. Hybertext is a misspelling, and the correct term is Hypertext, which refers to text that contains links to other texts or resources.

A network server is the most important/powerful computer in a typical network because it is responsible for managing network resources, such as files, printers, and internet connectivity. It provides services to other computers on the network, allowing them to access and use these resources. The network server also ensures the security and reliability of the network by controlling user access and managing data backups. Without a network server, the other computers on the network would not be able to effectively communicate and share resources.

In this scenario, the computers are connected to a server to share programs and storage space. This indicates that they are linked together in a network. A network allows multiple devices to communicate and share resources, such as programs and storage space, through a central server. Therefore, the correct answer is "Network".

Bluetooth is an example of a personal area network (PAN). A PAN is a network that connects devices within a person's immediate surroundings, typically within a range of about 10 meters. Bluetooth technology allows for wireless communication and data transfer between devices such as smartphones, tablets, and laptops. It is commonly used for connecting devices like headphones, speakers, and keyboards to a computer or mobile device. Therefore, Bluetooth fits the definition of a personal area network as it enables communication between devices in close proximity to each other.

Networking your computer with other computers allows for the sharing of resources, such as printers, storage devices, and software applications. This helps to reduce the amount of equipment needed for each individual computer, leading to cost savings and a reduction in clutter. By sharing resources, multiple computers can access and utilize the same equipment, increasing efficiency and productivity.

The term "uplink" refers to the process of sending data from a ground station or a device to a satellite. It involves transmitting signals or information from a lower point to a higher point in the communication chain. In contrast, "downlink" refers to the process of receiving data from a satellite to a ground station or device. The other options, "modulate" and "demodulate," are related to the process of encoding and decoding signals, respectively, but they are not specific to sending data to a satellite.

A star network is a distributed network configuration where all data/information pass through a central computer. In this configuration, all devices are connected to a central hub or switch, and communication between devices is facilitated through the central hub. The central computer acts as a central point of control and coordination for the network, allowing for efficient data transmission and management.