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Questions and Answers
What is the primary function of a router in a network?
Which of the following is a characteristic of Java?
What is the primary function of the HTTP protocol?
What type of network connects devices over a larger geographical area?
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In Java, how do you declare a variable?
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What is the primary function of a switch in a network?
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What is the purpose of constructors in Java?
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What type of testing involves testing individual units of code?
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What is the purpose of the extends keyword in Java?
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What type of testing involves testing the entire system?
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What is the purpose of equivalence partitioning in testing?
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What type of testing involves testing with partial knowledge of the internal workings?
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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
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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
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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
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Java Basics:
- Object-oriented programming language
- Platform independent: can run on any device supporting Java
- Robust security features
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Java Syntax:
- Variables: declare with
typevariable_name(e.g.int x) - Data types: primitive (e.g.
int,double), reference (e.g.String), array - Operators: arithmetic, comparison, logical, assignment
- Variables: declare with
-
Java Classes and Objects:
- Classes: define properties and behavior of objects
- Objects: instances of classes
- Constructors: special methods used to initialize objects
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Java Inheritance:
- A child class can inherit properties and behavior from a parent class
-
extendskeyword used to inherit from a parent class
Testing
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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.
