Introduction to Computer Networks

True

<p>Sharing resources and information</p> Signup and view all the answers

<p>A protocol is a set of rules that are agreed by both the sender and receiver to ensure reliable communication and data sharing between two different devices.</p> Signup and view all the answers

<p>To connect multiple computers and devices within a network</p> Signup and view all the answers

<p>To connect multiple networks and route data traffic</p> Signup and view all the answers

<p>A server is a computer that holds shared programs, files, and the network operating system, allowing access to network resources for all users on the network.</p> Signup and view all the answers

<p>To provide the physical connection for data transfer</p> Signup and view all the answers

<p>Firewall</p> Signup and view all the answers

<p>To connect devices to the wireless network</p> Signup and view all the answers

<p>Shared data refers to information that is accessible and shared by all users on the network, such as data files, printer access, and email.</p> Signup and view all the answers

<p>A network interface card (NIC) controls data flow between the computer and the network, enabling it to send, receive, and manage data transfer.</p> Signup and view all the answers

<p>A local operating system helps personal computers access files, print to a local printer, and manage disk and CD drives located on the computer.</p> Signup and view all the answers

<p>A network operating system enables communication between computers and servers connected to a network, allowing for data sharing and resource access.</p> Signup and view all the answers

<p>A hub acts as a distribution center, connecting multiple computers to the network and allowing data transfer in a simple, broadcasting manner.</p> Signup and view all the answers

<p>A LAN cable, also known as an Ethernet or data cable, is used to connect a device to the internet, creating a local area network connection.</p> Signup and view all the answers

<p>OSI stands for Open Systems Interconnection.</p> Signup and view all the answers

<p>The OSI model defines standards for communication, ensuring that different devices and systems can communicate effectively with each other.</p> Signup and view all the answers

<p>Power Consumption</p> Signup and view all the answers

<p>Network performance is measured in terms of response time, which is the time it takes to send and receive data between devices.</p> Signup and view all the answers

<p>Data sharing allows users to access and collaborate on the same information, promoting efficiency, teamwork, and overall productivity.</p> Signup and view all the answers

<p>Backup helps to protect data from loss by creating copies of important information, ensuring that data can be recovered in case of a failure.</p> Signup and view all the answers

<p>Reliability ensures consistent and uninterrupted network connectivity, allowing for continuous data flow and communication without issues.</p> Signup and view all the answers

<p>Network security safeguards data from unauthorized access, ensuring that sensitive information is protected from breaches and cyberattacks.</p> Signup and view all the answers

<p>Scalability refers to the ability of a computer network to handle increased workload and expansion without compromising performance or efficiency.</p> Signup and view all the answers

<p>Compatibility ensures that different software and hardware components can work together seamlessly on a network, allowing for seamless integration and operation.</p> Signup and view all the answers

<p>Computer network architecture defines how devices are interconnected and how data flows within a network, optimizing performance, security, and scalability.</p> Signup and view all the answers

<p>All of the above</p> Signup and view all the answers

<p>In a Peer-to-Peer network, all computers act as both clients and servers, directly sharing resources and data without a central authority.</p> Signup and view all the answers

<p>Peer-to-Peer networks are less expensive as they do not require a central server to manage the network, making them a cost-effective option in some cases.</p> Signup and view all the answers

<p>Peer-to-Peer networks can be difficult to manage in large settings as each device is responsible for its security and data backup, potentially leading to security risks and data loss.</p> Signup and view all the answers

<p>In a Client-Server network, a central computer (server) provides services and manages resources for other computers (clients) connected to the network.</p> Signup and view all the answers

<p>Client-Server networks offer better security and centralized management as the server controls network access, data storage, and security measures, protecting the network from unauthorized access.</p> Signup and view all the answers

<p>Network topology defines the physical and logical arrangement of how devices are interconnected in a network, influencing data flow, performance, and security.</p> Signup and view all the answers

<p>Linear Topology</p> Signup and view all the answers

<p>In a Bus Topology, all devices share a single communication cable or line, with data traveling in both directions along the cable.</p> Signup and view all the answers

<p>A hybrid topology combines features of multiple network topologies, creating a unique network architecture with customized benefits and characteristics.</p> Signup and view all the answers

<p>The OSI model provides a framework for understanding and standardizing communication protocols, enabling different systems to communicate effectively.</p> Signup and view all the answers

<p>7</p> Signup and view all the answers

<p>The Application Layer provides the interface for users to interact with network services and applications.</p> Signup and view all the answers

<p>The Presentation Layer ensures that data is presented in a compatible format for the receiving device, ensuring seamless exchange of information.</p> Signup and view all the answers

<p>The Session Layer establishes and manages communication sessions between devices, ensuring reliable and coordinated data exchange.</p> Signup and view all the answers

<p>The Transport Layer ensures reliable and ordered delivery of data between devices, managing and controlling the flow of data packets.</p> Signup and view all the answers

<p>The Network Layer is responsible for routing data across the network, providing logical addressing for network devices and managing the flow of data packets.</p> Signup and view all the answers

<p>The Data Link Layer handles physical addressing for devices and manages error detection and correction at the physical level, ensuring reliable data transmission.</p> Signup and view all the answers

<p>The Physical Layer involves the physical transmission of data signals over the network, defining the electrical, mechanical, and procedural standards for data transmission.</p> Signup and view all the answers

<p>The OSI model is a theoretical reference model that provides a framework for communication standards, while TCP/IP is a practical implementation of network protocols.</p> Signup and view all the answers

<p>An ISP is a company that provides internet access and related services, such as internet access, domain name registrations, and email hosting.</p> Signup and view all the answers

<p>Data Center</p> Signup and view all the answers

<p>Access providers offer internet access to users through various methods, such as telephone lines, cable, wireless networks, and fiber optics.</p> Signup and view all the answers

<p>Mailbox providers offer email hosting services, providing users with a dedicated email address and access to their mailboxes.</p> Signup and view all the answers

<p>Hosting ISPs provide web hosting services, enabling users to store their websites and applications on their servers, making them accessible to the public.</p> Signup and view all the answers

<p>Virtual ISPs offer internet access services by leveraging the infrastructure of other ISPs, providing a budget-friendly option for users.</p> Signup and view all the answers

<p>Free ISPs offer internet access without charging monthly fees, often with lower speeds and potentially limited service options.</p> Signup and view all the answers

<p>An intranet is a private network within an organization that is accessible only to authorized members, offering secure communication and collaboration within the organization.</p> Signup and view all the answers

<p>Increased Public Accessibility</p> Signup and view all the answers

<p>An intranet facilitates seamless communication and sharing of information among employees, enabling efficient collaboration on projects and tasks, regardless of their location.</p> Signup and view all the answers

<p>Intranets offer a secure environment for storing and accessing sensitive data, restricting access to authorized users and preventing unauthorized access, protecting sensitive information from breaches.</p> Signup and view all the answers

<p>Intranets can streamline communication and reduce the need for physical meetings and travel, saving costs on printing and distribution of documents.</p> Signup and view all the answers

<p>Intranets provide access to information, resources, and applications from anywhere at any time, allowing employees to work efficiently and effectively, boosting productivity.</p> Signup and view all the answers

<p>A VSAT (Very Small Aperture Terminal) is a ground-based satellite dish used for transmitting data to and from communication satellites, typically for remote locations with limited connectivity.</p> Signup and view all the answers

<p>Cost-effective access in remote locations</p> Signup and view all the answers

<p>VSATs are often used for connecting remote areas with limited internet access, providing a reliable and cost-effective solution for businesses and individuals, especially in industries such as oil and gas exploration, mining, and remote monitoring.</p> Signup and view all the answers

<p>A PAN is a small, personal network that connects devices within a limited range, such as a few meters, commonly used for connecting smartphones, laptops, and printers within a home or office.</p> Signup and view all the answers

<p>A LAN is a network that connects devices within a limited geographical area like a home, office building, or a small campus, enabling resource sharing, communication, and collaboration within the local area.</p> Signup and view all the answers

<p>A MAN is a network that spans a larger area than a LAN, connecting devices within a city or metropolitan area, providing wider connectivity and resource sharing.</p> Signup and view all the answers

<p>A WAN connects devices across a wide geographical area, such as a country or even multiple countries, allowing for communication and data exchange over long distances.</p> Signup and view all the answers

<p>True</p> Signup and view all the answers