Networking, Java, and Testing Fundamentals
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Questions and Answers

What is the primary function of a router in a network?

  • To control incoming and outgoing network traffic based on security rules
  • To connect multiple networks and route traffic (correct)
  • To connect multiple devices and forward traffic
  • To transfer files over a network

    • Which of the following is a characteristic of Java?

  • It is an object-oriented programming language (correct)
  • It is a procedural programming language
  • It has limited security features
  • It is a platform-dependent language

    • What is the primary function of the HTTP protocol?

  • To transfer files over a network
  • To transfer data over the web (correct)
  • To connect devices wirelessly
  • To control incoming and outgoing network traffic

    • What type of network connects devices over a larger geographical area?

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

    In Java, how do you declare a variable?

    <p>With the <code>type</code> <code>variable_name</code> syntax</p> Signup and view all the answers

    What is the primary function of a switch in a network?

    <p>To connect multiple devices and forward traffic</p> Signup and view all the answers

    What is the purpose of constructors in Java?

    <p>To initialize objects</p> Signup and view all the answers

    What type of testing involves testing individual units of code?

    <p>Unit Testing</p> Signup and view all the answers

    What is the purpose of the extends keyword in Java?

    <p>To inherit properties from a parent class</p> Signup and view all the answers

    What type of testing involves testing the entire system?

    <p>System Testing</p> Signup and view all the answers

    What is the purpose of equivalence partitioning in testing?

    <p>To divide input into partitions and test each</p> Signup and view all the answers

    What type of testing involves testing with partial knowledge of the internal workings?

    <p>Gray Box Testing</p> Signup and view all the answers

    Study Notes

    Networking

    • Types of Networks:
      • LAN (Local Area Network): connects devices in a limited geographical area
      • WAN (Wide Area Network): connects devices over a larger geographical area
      • WLAN (Wireless Local Area Network): connects devices wirelessly
    • Network Topologies:
      • Physical: describes the physical layout of devices
      • Logical: describes how data flows between devices
    • Network Protocols:
      • TCP/IP (Transmission Control Protocol/Internet Protocol): a set of protocols used for communication on the internet
      • HTTP (Hypertext Transfer Protocol): a protocol used for transferring data over the web
      • FTP (File Transfer Protocol): a protocol used for transferring files over a network
    • Network Devices:
      • Routers: connect multiple networks and route traffic
      • Switches: connect multiple devices and forward traffic
      • Firewalls: control incoming and outgoing network traffic based on security rules

    Java

    • Java Basics:
      • Object-oriented programming language
      • Platform independent: can run on any device supporting Java
      • Robust security features
    • Java Syntax:
      • Variables: declare with type variable_name (e.g. int x)
      • Data types: primitive (e.g. int, double), reference (e.g. String), array
      • Operators: arithmetic, comparison, logical, assignment
    • Java Classes and Objects:
      • Classes: define properties and behavior of objects
      • Objects: instances of classes
      • Constructors: special methods used to initialize objects
    • Java Inheritance:
      • A child class can inherit properties and behavior from a parent class
      • extends keyword used to inherit from a parent class

    Testing

    • Types of Testing:
      • Unit Testing: tests individual units of code
      • Integration Testing: tests how units of code work together
      • System Testing: tests the entire system
      • Acceptance Testing: tests if the system meets requirements
    • Testing Methods:
      • Black Box Testing: tests without knowledge of the internal workings
      • White Box Testing: tests with knowledge of the internal workings
      • Gray Box Testing: tests with partial knowledge of the internal workings
    • Test Case Design:
      • Equivalence Partitioning: divide input into partitions and test each
      • Boundary Value Analysis: test at the boundaries of input partitions
      • State Transition Testing: test the different states of a system

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    Description

    Test your knowledge of computer networking concepts, Java programming basics, and software testing principles. This quiz covers network types, topologies, and protocols, as well as Java syntax, classes, and inheritance. Additionally, it touches on various testing methods and techniques.

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