Networking and Internet

TCP/IP was invented by both Robert E. Kahn and Vint Cerf, who collaborated on the development of the protocols that form the foundation of the internet.

Internet connection speed is commonly measured in Mbps (Megabits per second), which indicates how many millions of bits can be transmitted each second. GHz measures frequency, dpi measures image resolution, and ppm measures printing speed, so they are incorrect in this context.

Servers provide resources such as files, applications, or services to other computers over a network. The term 'network' refers to the system that connects multiple computers together, allowing them to communicate and share resources.

NIC stands for Network Interface Card, which is a hardware component that allows computers to connect to a network. The other options do not accurately represent the meaning of NIC in computer networking.

NOS stands for 'Network Operating System,' which is software that manages network resources and allows computers to communicate over a network.

MAN stands for Metropolitan Area Network, which is a type of computer network that covers a city or a large campus. The other options do not represent the correct expansion of the acronym MAN in networking.

MAC stands for Media Access Control, which is a sublayer of the data link layer in networking responsible for controlling how devices in a network gain access to the medium and permission to transmit data.

Junk e-mail is commonly referred to as 'spam.' The other options do not relate to unwanted or unsolicited e-mail messages.

In a peer-to-peer (P2P) network, each computer can act as both a client and a server. This means devices can share resources directly with each other without relying on a central server.

When sending files through email, such as a PowerPoint presentation, the correct method is to add it as an attachment. An attachment allows the recipient to download and open the file separately from the email message.

A hyperlink is a clickable reference in a document or webpage that takes the user to another location or resource. It is typically displayed as blue, underlined text to indicate that it is interactive.

Caret browsing is enabled by pressing the F7 key in most web browsers such as Chrome, Edge, and Firefox. This feature allows users to navigate web pages using the keyboard cursor instead of a mouse.

A firewall is a security system that monitors and controls incoming and outgoing network traffic. It helps protect a computer or network from unauthorized access by filtering data based on security rules.

FTP stands for File Transfer Protocol. It is a standard communication protocol used for transferring files between a client and a server over a TCP-based network, such as the Internet.

E-mail stands for 'Electronic mail,' which is the correct and widely accepted meaning. The other options are incorrect or not commonly used.

DSL stands for Digital Subscriber Line. It is a technology used to provide high-speed internet access over traditional telephone lines while allowing voice calls and data transmission simultaneously.

DHCP stands for Dynamic Host Configuration Protocol, which is a network management protocol used to automate the process of configuring devices on IP networks.

A hybrid topology is formed when two or more different types of network topologies are combined. This allows for the strengths of each topology to be utilized within a single network.

An internetwork is formed when two or more distinct computer networks are connected together, allowing communication between them. The other options refer to specific types of networks, not the general concept of combining networks.

A web browser is a program with a graphical user interface that displays HTML files and allows users to navigate the World Wide Web. Search engines help find information, but do not directly display HTML files.

A LAN (Local Area Network) is used to connect multiple microcomputers within a limited area, allowing users to share data, software, and hardware resources efficiently.

In data communication, a single packet at the data link layer is called a 'frame.' The term 'frame' specifically refers to the unit of data encapsulated at this layer.

A device that connects to a network without using physical cables is called a wireless device. It uses technologies like Wi-Fi, Bluetooth, or radio signals to communicate over a network.

Angular is a framework for JavaScript, primarily used for building web applications. It is developed and maintained by Google and is based on TypeScript, which is a superset of JavaScript.

The arrangement of computers in a network is called topology. Topology refers to the physical or logical layout of network devices and cables.