Quiz 1 (Ec 301)

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Quiz 1 (Ec 301) - Quiz

INTRODUCTION TO NETWORKING

Questions and Answers
  • 1. 

    Computer Network is

    • A. 

      Collection of computer and devices

    • B. 

      Interconnected by communication channels

    • C. 

      Communication and sharing of resources and information

    • D. 

      All above

    Correct Answer
    D. All above
    Explanation
    The correct answer is "All above" because a computer network is indeed 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 of the given options accurately describe what a computer network is.

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  • 2. 

    What is disadvantages of computer networking?

    • A. 

      Connectivity and communication

    • B. 

      Sharing

    • C. 

      Data security concerns

    • D. 

      Entertainment

    Correct Answer
    C. Data security concerns
    Explanation
    Data security concerns are a disadvantage of computer networking. When computers are connected in a network, there is a risk of unauthorized access, data breaches, and cyber attacks. This can lead to the loss or theft of sensitive information, financial losses, and damage to reputation. Organizations need to invest in robust security measures, such as firewalls, encryption, and regular updates, to mitigate these risks. Failure to address data security concerns can have serious consequences for individuals and businesses, making it an important disadvantage of computer networking.

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  • 3. 

    What is a server?

    • A. 

      Any combination of hardware or software designed to provide service to client

    • B. 

      Install in the PC thah allows to plug ethernet or wireless connection

    • C. 

      Part of network that gives the data out

    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 computer servers, network servers, or web servers. The purpose of a server is to respond to client requests and deliver the requested data or services. Servers are an essential part of networks as they facilitate communication and data exchange between clients and other devices on the network.

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  • 4. 

    Which one has the widest coverage?

    • A. 

      LAN

    • B. 

      WAN

    • C. 

      MAN

    Correct Answer
    B. WAN
    Explanation
    A WAN (Wide Area Network) has the widest coverage among the options provided. LAN (Local Area Network) refers to a network that covers a small geographical area like a home or office, while MAN (Metropolitan Area Network) covers a larger area like a city. A WAN, on the other hand, covers a wide geographical area, often spanning multiple cities or even countries. Therefore, a WAN has the broadest coverage compared to LAN and MAN.

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  • 5. 

    A connection point, either or redistribution or a communication endpoint is called.................

    • A. 

      Workstation

    • B. 

      Host

    • C. 

      Node

    • D. 

      Segment

    Correct Answer
    C. Node
    Explanation
    A connection point, either for redistribution or a communication endpoint, is called a "node". This term is commonly used in computer networks to refer to a device or a piece of equipment that is connected to a network and can send, receive, or forward data. It can be a computer, a server, a router, or any other network-enabled device. The term "node" is used to describe the point at which connections are made and data is exchanged within a network.

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  • 6. 

    Which one is NOT a type of Topology.

    • A. 

      TREE

    • B. 

      STAR

    • C. 

      BUS

    • D. 

      MESH

    Correct Answer
    A. TREE
    Explanation
    The correct answer is TREE because tree is a type of topology. In a tree topology, devices are connected in a hierarchical structure, similar to branches on a tree. This type of topology is commonly used in wide area networks. On the other hand, star, bus, and mesh are all types of network topologies. In a star topology, devices are connected to a central hub. In a bus topology, devices are connected in a linear fashion, sharing a common communication line. In a mesh topology, devices are connected to each other in a network where every device has a direct connection to every other device.

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  • 7. 

    A network topology in which all data/information pass through a central device is

    • A. 

      Bus

    • B. 

      Star

    • C. 

      Ring

    • D. 

      Mesh

    Correct Answer
    B. Star
    Explanation
    In a star network topology, all data/information pass through a central device known as a hub or switch. This central device acts as a central point of communication, connecting all the devices in the network. Each device in the network is connected to the central device, allowing for efficient data transmission and easy management of the network. This topology provides better performance and reliability as compared to other topologies like bus or ring, as any issue with one device does not affect the entire network.

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  • 8. 

    A network device that has multiple ports to connect multiple computers.

    • A. 

      Switch/hub

    • B. 

      Router

    • C. 

      Repeater

    • D. 

      Gateway

    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). It receives data packets from one port and forwards them to the appropriate destination port based on the MAC address of the devices. This allows multiple computers to communicate with each other within the network. A router, on the other hand, is used to connect multiple networks together and direct data packets between them. A repeater amplifies and extends the signal in a network, while a gateway is a device that connects different types of networks together.

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  • 9. 

    A set of rules that has to be followed by the network computers to communicate with each other.

    • A. 

      Topology

    • B. 

      Architecture

    • C. 

      Protocol

    • D. 

      Terminal

    Correct Answer
    C. Protocol
    Explanation
    A protocol refers to a set of rules that network computers must adhere to in order to communicate effectively with each other. These rules govern how data is transmitted, received, and interpreted, ensuring that the information is exchanged accurately and efficiently. By following the protocol, network devices can establish a standardized method of communication, enabling seamless data transfer and interoperability between different systems and devices.

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  • 10. 

    what does a ROUTER do in a network?

    • A. 

      Prevents hackers getting into your computer.

    • B. 

      Sends and receives data packets by looking at the destination.

    • C. 

      Gives directions to other people on the 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. This is achieved by analyzing the destination address of each packet and determining the most efficient path for it to follow. Unlike a firewall, which is designed to prevent unauthorized access to a computer, a router focuses on efficiently routing data within the network.

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