1.
Computer Network is
Correct Answer
D. All above
Explanation
The correct answer is "All above" because a computer network is a collection of computers and devices that are interconnected by communication channels. This allows for communication and sharing of resources and information between the connected devices. Therefore, all the statements mentioned in the question are true and encompass the definition of a computer network.
2.
Which of the following distinguishes peer-to-peer networks from client/server networks?
Correct Answer
D. In peer-to-peer networks, no single computer has more authority than another, by default.
Explanation
The correct answer states that in peer-to-peer networks, no single computer has more authority than another, by default. This means that all computers in a peer-to-peer network have equal capabilities and can act as both clients and servers. Unlike in client/server networks where there is a central server that manages and controls the network, peer-to-peer networks distribute the responsibilities and authority among all the connected computers.
3.
Which of the following is an advantage of using a peer-to-peer network over using a client/server network?
Correct Answer
C. A peer-to-peer network is easier to set up.
Explanation
A peer-to-peer network is easier to set up because it does not require a central server or dedicated network administrator. In a peer-to-peer network, each device can act as both a client and a server, allowing for easy sharing of resources and files. This eliminates the need for complex network configurations and reduces the cost and time associated with setting up a network infrastructure.
4.
Which of the following is an advantage of using a client/server network over using a peer-to-peer network?
Correct Answer
B. A client/server network allows for easier expansion.
Explanation
A client/server network allows for easier expansion because it is designed to handle larger numbers of clients. In a client/server network, the server is responsible for managing resources and providing services to the clients. This centralized architecture allows for easier scalability and the addition of more clients without significant impact on performance. In contrast, a peer-to-peer network relies on the resources of individual computers, making it more difficult to expand and manage as the number of users increases.
5.
What is a server?
Correct Answer
A. Any combination of hardware or software designed to provide service to client
Explanation
A server refers to any combination of hardware or software that is specifically designed to provide services to clients. This can include various components such as physical servers, virtual servers, operating systems, and server applications. Servers are responsible for storing and distributing data, managing network connections, and delivering services or resources to clients over a network. They play a crucial role in enabling communication and facilitating the exchange of information between clients and other devices on a network.
6.
A client is any part of the network that receive data
Correct Answer
A. True
Explanation
The given statement is true because a client is indeed any part of the network that receives data. In a network, there are typically two types of entities: clients and servers. Clients are devices or software that request and receive data from servers. They can be computers, smartphones, tablets, or any other device that connects to a network. Clients are responsible for initiating communication and consuming the data provided by servers. Therefore, it is correct to say that a client is any part of the network that receives data.
7.
Which one has the widest coverage?
Correct Answer
B. WAN
Explanation
A WAN (Wide Area Network) has the widest coverage among the options provided. LAN (Local Area Network) covers a small area, typically within a building or campus, while MAN (Metropolitan Area Network) covers a larger area, usually within a city. In contrast, a WAN can cover a much larger geographical area, such as multiple cities or even countries, making it the option with the widest coverage.
8.
Which one is a type of network that can only communicate less than 30 miles in size but can connect to a 2 -3 buildings.
Correct Answer
B. MAN
Explanation
A Metropolitan Area Network (MAN) is a type of network that can only communicate within a limited geographical area, typically less than 30 miles in size. It is designed to connect multiple buildings or locations within a city or metropolitan area. Unlike a Local Area Network (LAN), which is limited to a single building or campus, a MAN can extend its reach to cover a larger area. Therefore, MAN is the correct answer as it specifically fits the given criteria of being able to connect 2-3 buildings within a limited distance.
9.
A connection point, either or redistribution or a communication endpoint is called.................
Correct Answer
C. Node
Explanation
A connection point, either for redistribution or a communication endpoint, is called a node. A node can refer to a device or a point in a network where data is transmitted, received, or processed. It can be a computer, server, router, or any other network device that participates in the network communication. The term "node" is commonly used in networking to describe the various components that make up a network and enable communication between devices.
10.
the hardware that provide the interface between a computer and a network
Correct Answer
Network Interface Card
Explanation
A Network Interface Card (NIC) is a hardware component that enables a computer to connect and communicate with a network. It provides the necessary interface between the computer and the network, allowing data to be transmitted and received. The NIC contains circuitry and connectors that facilitate the transfer of data packets between the computer and the network. It acts as a bridge, converting digital signals from the computer into a format that can be transmitted over the network, and vice versa. The NIC is essential for establishing network connectivity and enabling communication between devices on a network.
11.
It is a part of computer network infrastructure that interconnects various pieces of network, providing a path for the exchange of information between different LANs or subnetworks are call
Correct Answer
A. Host
Explanation
A host refers to any device connected to a network, such as a computer or a smartphone, that can send or receive data. In the context of computer network infrastructure, a host is an essential component that allows the exchange of information between different LANs or subnetworks. It acts as a source or destination for data transmission and plays a crucial role in network communication.
12.
Which one is NOT a type of Topology.
Correct Answer
A. TREE
Explanation
The answer is TREE because TREE is a type of topology. The other options, STAR, BUS, and MESH, are all types of topologies commonly used in computer networks. A tree topology is a hierarchical structure where each node has only one parent, except for the root node, which has no parent.
13.
A network topology in which all data/information pass through a central device is
Correct Answer
B. Star
Explanation
A network topology in which all data/information pass through a central device is the star topology. In this type of network, all devices are connected to a central hub or switch, and all communication flows through this central point. This allows for easy management and troubleshooting, as well as efficient data transmission.
14.
Which device is used to connect to the internet using telephone line?
Correct Answer
A. Modem
Explanation
A modem is used to connect to the internet using a telephone line. It converts digital signals from a computer into analog signals that can be transmitted over telephone lines, and vice versa. This allows users to access the internet through their telephone line connection. Switches, routers, and hubs are networking devices that are used to connect multiple devices within a network, but they do not specifically connect to the internet using a telephone line.
15.
Which is the most commonly used network topology?
Correct Answer
B. Star
Explanation
The most commonly used network topology is the star topology. In a star topology, all devices are connected to a central hub or switch, which acts as a central point of communication. This allows for easy management and troubleshooting, as each device can be individually connected or disconnected without affecting the rest of the network. Additionally, the star topology provides high reliability, as if one device fails, the rest of the network can still function.
16.
A network device that has multiple ports to connect multiple computers.
Correct Answer
A. Switch/hub
Explanation
A switch/hub is a network device that has multiple ports to connect multiple computers. It acts as a central point for connecting devices in a local area network (LAN). Switches and hubs allow for efficient communication between connected devices by forwarding data packets to the appropriate destination. They provide a way to create a network that allows multiple devices to share resources and communicate with each other.
17.
A set of rules that has to be followed by the network computers to communicate with each other.
Correct Answer
C. Protocol
Explanation
A protocol is a set of rules that governs how network computers communicate with each other. It defines the format and order of messages exchanged between devices, as well as the actions to be taken in various situations. By adhering to a protocol, network computers can ensure effective and reliable communication, enabling them to understand and interpret the data being transmitted.
18.
What does LAN stand for?
Correct Answer
A. Local-Area-Network
Explanation
LAN stands for Local-Area-Network. A LAN is a network that connects computers and other devices within a limited area, such as a home, office, or building. It allows for the sharing of resources, such as files and printers, and enables communication between devices within the network. The other options, Long-Area-Network and Latitude-Along-Networks, are not correct and do not accurately describe the concept of a LAN.
19.
what does a ROUTER do in a network?
Correct Answer
B. Sends and receives data packets by looking at the destination.
Explanation
A router in a network is responsible for sending and receiving data packets by examining the destination. It acts as a traffic controller, directing data packets to their intended destinations within the network. By analyzing the destination address of each packet, the router determines the most efficient path for the data to travel, ensuring that it reaches the correct destination. This functionality allows for efficient and reliable communication between different devices and networks within a larger network infrastructure.
20.
What is a Hub?
Correct Answer
A. A small box with multiple connection points on the front or back
Explanation
A hub is a small box with multiple connection points on the front or back. It is used to connect multiple devices in a network, allowing them to communicate with each other. The hub acts as a central point where data is received from one device and then transmitted to all other devices connected to it. Each device connected to the hub can send and receive data simultaneously, making it a convenient and efficient way to manage network connections.
21.
WAN requires the same technology as LAN
Correct Answer
A. True
Explanation
WAN (Wide Area Network) and LAN (Local Area Network) both require the same underlying technology, such as routers, switches, and network protocols. The main difference between WAN and LAN is their geographical coverage, where WAN covers a larger area, usually spanning multiple locations or cities, while LAN covers a smaller area, typically within a building or campus. However, the technology used to connect and transmit data in both WAN and LAN is similar, making the statement "WAN requires the same technology as LAN" true.
22.
Peer-to-Peer network are not flexible
Correct Answer
B. False
Explanation
The statement that "Peer-to-Peer network are not flexible" is false. Peer-to-peer networks are known for their flexibility as they allow each computer in the network to act as both a client and a server, enabling direct communication and file sharing between individual devices without the need for a central server. This decentralized structure provides greater flexibility and resilience to the network, as it can continue to function even if some devices fail or leave the network.
23.
A network of computers and other devices that is confined to a relatively small space?
Correct Answer
B. Local-Area Network
Explanation
A Local-Area Network (LAN) is a network of computers and other devices that is confined to a relatively small space, such as a home, office, or building. It allows for the sharing of resources and communication between devices within the network. Unlike a Global Network, which covers a larger geographical area, a LAN is limited in its scope and is typically used for local communication and file sharing. A Peer-to-Peer Network and Metropolitan Network are different types of networks that may cover larger areas or have different configurations, making them incorrect answers in this context.
24.
TIA stand for
Correct Answer
Telecommunications Industry Association
Explanation
TIA stands for Telecommunications Industry Association.
25.
Identify if the communication problem described deals with message format, timing, message pattern or message size.
Fred went to an auction and auctioneer was talking so fast that Fred was unable to understand her.
Correct Answer
TIMING
Explanation
The communication problem described in the given scenario deals with timing. Fred was unable to understand the auctioneer because she was talking too fast. The timing of the message delivery was not appropriate for Fred to comprehend the information being conveyed.
26.
Identify if the communication problem described deals with message format, timing, message pattern or message size.
Andrea writes a letter and mails it to a friend. Unfortunately Andrea misaddressed the letter and it never arrived.
Correct Answer
MESSAGE FORMAT
Explanation
The communication problem described deals with message format because Andrea misaddressed the letter, indicating that there was an issue with the format of the message.
27.
Bridges to connect old network technology with new.
Correct Answer
A. True
Explanation
This statement is true because bridges are devices that connect different network technologies together. They are used to connect older network technologies with newer ones, allowing them to communicate and share information. By bridging the gap between old and new technologies, bridges enable smooth integration and compatibility between different network systems. Therefore, the given answer is true.
28.
What is disadvantages of computer networking?
Correct Answer
C. Data security concerns
Explanation
The correct answer is "Data security concerns." One of the disadvantages of computer networking is the potential risk of data breaches and unauthorized access to sensitive information. With the interconnectedness of devices and systems in a network, there is an increased vulnerability to cyber-attacks, malware, and hacking attempts. This can lead to data loss, identity theft, financial fraud, and other security breaches. Therefore, data security concerns are a significant drawback of computer networking.
29.
Refer to diagram given, what is the type of network topology?
Correct Answer
C. RING
Explanation
The given diagram shows a network topology where the devices are connected in a circular manner, forming a closed loop. This type of network topology is known as a ring topology. In a ring topology, each device is connected to exactly two other devices, creating a continuous ring of connections. Data is transmitted in one direction around the ring, passing through each device until it reaches its destination. This topology is commonly used in token ring networks.