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The Getaway

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who is most likely to get court by the police in cyber gangs 

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who is most likely to get court by the police in cyber gangs 

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The Data Link layer performs error detection on incoming packets. Networks often use cyclic redundancy check (CRC) algorithms to find corrupted data at this level.
The Transport layer handles error recovery. It ultimately ensures data are received in order and free of corruption.

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1. A Hub - Physical
2. A Modem - Data-Link
3. A Brouter - Network

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5.What device does google monitor less than any other 

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5.What device does google monitor less than any other 

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Answers:
1) Chrome - Application
2) Anti-Virus - Transport

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Give three examples of Hardware used within the OSI model, and the layers they belong to. (6 Marks)

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5 different commands you can use on Linux?

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5 different commands you can use on Linux?

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1.  ls = Lists files in a folder
2. cd = change directory
3. mkdir = make a directory
4. rmdir = remove a directory
5. pwd = print working directory

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In my opinion, I believe that users are the most severe threat to cyber security. Take for example 'The Insider', a type of person that is essentially a hacker that doesn't even need to break in because they are already in the system, and thus can cause major damage. They may leak sensitive data and can be very costly. If motivated by revenge

Also consider that users may unwittingly be involved in malicious conduct, such as clicking on a link in a phishing email that contains malware.

Users who lack common sense may also be destructive; consider a user who deletes files accidentally and the files are not recoverable!

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In your opinion, what do you think is the most severe threat to cyber security? Give details. 6 marks

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Give two examples of software used within the  OSI model, and the layers they belong to. (4 Marks)

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Ports are end-points for different services over the Internet. ie. HTTP will use port 80 as its end-pointfrom server

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What are ports

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Which Layers Perform Error Detection and Recovery Functions?  (2 marks)