Computer science
  • Exam boards
    • OCR past papers >
      • Paper 1 J277 >
        • Paper1 (Sample) J277
        • Practice paper1 J277
      • Paper 2 J277 >
        • Paper 2 J277 Practice
    • Edexcel past papers >
      • 2020 Current spec (coming soon) >
        • Programming Language Subset (PLS)
      • Old 2016 SPEC >
        • Paper 1 (specimen1)
        • Paper 1 (specimen2)
        • Paper 1 (2018)
        • Paper 1 (2019)
        • Paper 2 (specimen1)
        • Paper 2 (2018)
        • Paper 2 (2019)
      • OLD 2013 SPEC >
        • Sample assessment 1 (old spec)
        • Sample assessment 2 (old spec)
        • June 2017 (old spec)
        • June 2016 (old spec)
        • June 2015 (old spec)
    • Paper 1 (by topic) >
      • Algorithms
      • Application software
      • Ascii
      • Binary
      • Cache
      • Client Server
      • Cloud
      • Compression
      • Computational thinking
      • CPU
      • Cyber security
      • Database
      • Fetch decode execute cycle
      • Embedded system
      • Encryption
      • File size
      • Flow chart
      • Hexadecimal
      • High Level language
      • ISP/Internet
      • Logic
      • Magnetic HDD
      • Networking
      • Open source
      • Operating system
      • Peer to peer
      • Images (Data representation)
      • Protocols
      • RAM
      • ROM
      • Run length encoding
      • Simulation software
      • Solid state HDD
      • Sound
      • Stored program concept
      • Utility software
    • Curriculum >
      • Binary
      • Hex
      • Data Representation
      • Compression
      • Encryption
      • What is a computer
      • How does a computer work
      • Hardware
      • Operating system
      • The CPU
      • Input devices
      • Data storage
      • Networks
      • Microcontrollers
      • Computational models
      • Emerging trends
      • Virtual machine
      • Models and simulators
      • Algorithms
    • Python >
      • Finding python
      • GCSE Python questions
      • Python coding >
        • Comments
        • Data types
        • Variables
        • If Else (Selection)
        • If Elif Else (Selection) >
          • Relational/Comparison Operator challenges
          • Selection challenges
        • Functions
        • For loop (iteration)
        • While loop (iteration) >
          • While loop challenges
        • Data structures >
          • Array challenges
          • 2D Array challenges
          • Looping thru 2D array
        • String slicing/indexing >
          • String slicing challenges
        • Subprograms >
          • Subprogram challenges
        • Local/global variable
        • Validation and try
        • methods
        • File I/O >
          • Files - Challenges
        • Pseudocode
        • Modules >
          • Turtle
        • Classes
        • NEA/Projects
  • KS3/Other
    • KS3 >
      • Coding >
        • GameMaker
        • HTML >
          • HTML tags
        • Scratch >
          • Scratch questions
        • Python >
          • Getting started
          • Functions
          • Variables
          • VariablesToo
          • inputs
          • Selection
          • Flowcharts
          • Data types
          • Pseudocode1
          • Pseudocode2
          • Subprogram1
          • Subprogram2
          • Coding challenges
      • Online Safety >
        • Screen time
        • Online Safety questions
      • IT >
        • Word
        • PowerPoint
      • Hardware >
        • All Hardware
        • Magnetic hard disk drive
        • Optical disk drive
        • Solid state drive
      • Logic >
        • CPU
        • AND gate
        • OR gate
        • NOT gate
        • Logical statements
      • Software
      • Binary/Hex/Algorithms >
        • Binary
        • Binary explained
        • Hexadecimal - 1 digit
        • Hexadecimal - 2 digits
        • Algorithms
        • ASCII
      • Networks
      • Protocols/Cyber attacks
    • BTEC CS
    • OCR A-Level >
      • 1.2 (Unit 2) >
        • Functions of an OS
        • Types of OS
        • Application generation
      • 1.2 (Unit 3) >
        • Software development
        • Algorithms
        • Programming paradigms
      • 1.3 (Unit 5) >
        • Networks
      • 1.5 (Unit 9) >
        • Laws and Acts
      • 2.3 (Unit 12) >
        • Analysis and design of algorithms
    • AQA AS-Level CS >
      • AS Curriculum >
        • Multiple choice questions
    • Business studies >
      • Keywords
      • BS Revision - Multiple choice
      • Paper 1 (9-1)
      • Paper 2 (9-1)
    • Junior Science >
      • 01 - Particles >
        • investigations and data
        • Equipment
        • Particles
      • 02 - Cells >
        • Microscope introduced
        • Looking at cells
        • Specialised cells
        • Unicellular organisms
      • 03 - Energy >
        • Energy introduced
        • Energy transfers
        • Conduction, Convection, Insulators
      • 04 - Chemical ideas & reactions >
        • Periodic table
        • Chemical reactions
        • Chemical reactions2
      • 05 - Light and Sound >
        • Light introduced
        • The Eye
        • Colours and filters
        • Waves and Sound
  • Contact/More
    • Code editor
    • Contact us
    • Microbit ideas
    • More
  • Self test
    • 01 Random topics
    • 02 Programming
    • 03 Data
    • 04 Computers
    • 05 Networks
    • 06 Legal/Ethics/Enviro'
    • Coding/Programming

Networks

PLEASE READ: All of the tests below self mark, tell you your mark as a percentage and show you what the correct answer is. They also offer light hearted feedback about your progress. If you are easily offended with any of the feedback then feel free to use a different website (or stop being so sensitive). Ultimately at the very least, we want you to achieve your target grade and at the very most, we want you to be the next Steve Jobs, Bill Gates or Sophie Wilson. Enough talk, lets see what you got...Goodluck!

Self-test


​01 - Random topics

​02 - Programming

​03 - Data

​04 - Computers

​05 - Networks

​06 - Legal/Ethical etc

​07 - Paper 2

Networks

Loading Networks

Communication and the internet

Loading Communication and the internet

Compression

Loading Compression

Malware – Worm, Virus and Trojan

Loading Malware – Worm, Virus and Trojan
Revise Binary
Revise Hex

Malware – Ransomware, Spyware, Pharming

Loading Malware – Ransomware, Spyware, Pharming
Revise Hardware

Blagging, Brute force, Phishing

Loading Phishing, blagging, brute force

​Denial of service, Shouldering and Man-in-the-middle attacks

Loading Denial of service, Shouldering and Man-in-the-middle attacks

Cyber-attack

Loading Cyber-attack

Firewall, Penetration testing and User access levels

Loading Firewall, Penetration testing and User access levels

​Password, Anti-Malware, Encryption and Physical security

Loading Password, Anti-Malware, Encryption and Physical security

Cyber-attack protection

Loading Cyber-attack protection

Network security

Loading Network security

The cloud

Loading Cloud storage and security

KS3 Protocols

Loading KS3 Protocols

KS3 Protocol functionality

Loading KS3 Protocol functionality

More protocols

Loading More protocols

Protocols and packets

Loading Protocols and packets

Protocols - TCP/IP

Loading Protocols - TCP/IP

Client-server networking model 1

Loading Client-Server networking model

Client-server networking model 2

Loading Client-Server networking model 2

Client-server or Peer-to-Peer

Loading Client-server or Peer-to-Peer

Peer to peer 1

Loading Peer to peer 1

WAP

Loading WAP

Router

Loading Router

Hub, switch and transmission media

Loading Hub, switch and transmission media

DNS

Loading DNS

Encryption

Loading Encryption

Hosting

Loading Hosting

IPv4 vs IPv6

Loading IPv4 vs IPv6

MAC address

Loading MAC address

TCP/IP and standards

Loading TCP/IP and standards

Network threats

Loading Network threats

SQL and SQL injection

Loading SQL and SQL injection

Identifying vulnerabilities

Loading Identifying vulnerabilities

Home
Contact
  • Exam boards
    • OCR past papers >
      • Paper 1 J277 >
        • Paper1 (Sample) J277
        • Practice paper1 J277
      • Paper 2 J277 >
        • Paper 2 J277 Practice
    • Edexcel past papers >
      • 2020 Current spec (coming soon) >
        • Programming Language Subset (PLS)
      • Old 2016 SPEC >
        • Paper 1 (specimen1)
        • Paper 1 (specimen2)
        • Paper 1 (2018)
        • Paper 1 (2019)
        • Paper 2 (specimen1)
        • Paper 2 (2018)
        • Paper 2 (2019)
      • OLD 2013 SPEC >
        • Sample assessment 1 (old spec)
        • Sample assessment 2 (old spec)
        • June 2017 (old spec)
        • June 2016 (old spec)
        • June 2015 (old spec)
    • Paper 1 (by topic) >
      • Algorithms
      • Application software
      • Ascii
      • Binary
      • Cache
      • Client Server
      • Cloud
      • Compression
      • Computational thinking
      • CPU
      • Cyber security
      • Database
      • Fetch decode execute cycle
      • Embedded system
      • Encryption
      • File size
      • Flow chart
      • Hexadecimal
      • High Level language
      • ISP/Internet
      • Logic
      • Magnetic HDD
      • Networking
      • Open source
      • Operating system
      • Peer to peer
      • Images (Data representation)
      • Protocols
      • RAM
      • ROM
      • Run length encoding
      • Simulation software
      • Solid state HDD
      • Sound
      • Stored program concept
      • Utility software
    • Curriculum >
      • Binary
      • Hex
      • Data Representation
      • Compression
      • Encryption
      • What is a computer
      • How does a computer work
      • Hardware
      • Operating system
      • The CPU
      • Input devices
      • Data storage
      • Networks
      • Microcontrollers
      • Computational models
      • Emerging trends
      • Virtual machine
      • Models and simulators
      • Algorithms
    • Python >
      • Finding python
      • GCSE Python questions
      • Python coding >
        • Comments
        • Data types
        • Variables
        • If Else (Selection)
        • If Elif Else (Selection) >
          • Relational/Comparison Operator challenges
          • Selection challenges
        • Functions
        • For loop (iteration)
        • While loop (iteration) >
          • While loop challenges
        • Data structures >
          • Array challenges
          • 2D Array challenges
          • Looping thru 2D array
        • String slicing/indexing >
          • String slicing challenges
        • Subprograms >
          • Subprogram challenges
        • Local/global variable
        • Validation and try
        • methods
        • File I/O >
          • Files - Challenges
        • Pseudocode
        • Modules >
          • Turtle
        • Classes
        • NEA/Projects
  • KS3/Other
    • KS3 >
      • Coding >
        • GameMaker
        • HTML >
          • HTML tags
        • Scratch >
          • Scratch questions
        • Python >
          • Getting started
          • Functions
          • Variables
          • VariablesToo
          • inputs
          • Selection
          • Flowcharts
          • Data types
          • Pseudocode1
          • Pseudocode2
          • Subprogram1
          • Subprogram2
          • Coding challenges
      • Online Safety >
        • Screen time
        • Online Safety questions
      • IT >
        • Word
        • PowerPoint
      • Hardware >
        • All Hardware
        • Magnetic hard disk drive
        • Optical disk drive
        • Solid state drive
      • Logic >
        • CPU
        • AND gate
        • OR gate
        • NOT gate
        • Logical statements
      • Software
      • Binary/Hex/Algorithms >
        • Binary
        • Binary explained
        • Hexadecimal - 1 digit
        • Hexadecimal - 2 digits
        • Algorithms
        • ASCII
      • Networks
      • Protocols/Cyber attacks
    • BTEC CS
    • OCR A-Level >
      • 1.2 (Unit 2) >
        • Functions of an OS
        • Types of OS
        • Application generation
      • 1.2 (Unit 3) >
        • Software development
        • Algorithms
        • Programming paradigms
      • 1.3 (Unit 5) >
        • Networks
      • 1.5 (Unit 9) >
        • Laws and Acts
      • 2.3 (Unit 12) >
        • Analysis and design of algorithms
    • AQA AS-Level CS >
      • AS Curriculum >
        • Multiple choice questions
    • Business studies >
      • Keywords
      • BS Revision - Multiple choice
      • Paper 1 (9-1)
      • Paper 2 (9-1)
    • Junior Science >
      • 01 - Particles >
        • investigations and data
        • Equipment
        • Particles
      • 02 - Cells >
        • Microscope introduced
        • Looking at cells
        • Specialised cells
        • Unicellular organisms
      • 03 - Energy >
        • Energy introduced
        • Energy transfers
        • Conduction, Convection, Insulators
      • 04 - Chemical ideas & reactions >
        • Periodic table
        • Chemical reactions
        • Chemical reactions2
      • 05 - Light and Sound >
        • Light introduced
        • The Eye
        • Colours and filters
        • Waves and Sound
  • Contact/More
    • Code editor
    • Contact us
    • Microbit ideas
    • More
  • Self test
    • 01 Random topics
    • 02 Programming
    • 03 Data
    • 04 Computers
    • 05 Networks
    • 06 Legal/Ethics/Enviro'
    • Coding/Programming