Revision

Question 1

Similarity’s between mac and IP address

Answer 1

Both identify a devise, and both unique.

Question 2

Differences between a mac and IP address

Answer 2

IP can be changed, mac address cant. IP address assigned by router, Mac address assigned by Manufacture.

Question 3

Benefits of USB

Answer 3

Cant be inserted wrong. Supports different transmission speeds. Automatically detected.

Question 4

What is Phishing

Answer 4

A legitimate looking email sent to the user. Encourages user to click a link to a fake website. User encouraged to enter personal information.

Question 5

What is Pharming

Answer 5

Malicious malware installed without users knowledge. That redirects user onto a fake website ( when actual URL is entered). User is encouraged to enter personal infomation.

Question 6

How are sound files compressed using lossless compression

Answer 6

Compression algorithm used. No data is removed. Repeated parts of the music are identified and indexed.

Question 7

How are webpages for a websites requested and displayed on a persons computor?

Answer 7

Browser sends URL to DNS using Https. The IP address is found on the DNS. DNS returns the IP address to the browser. Browser sends a request to web server. Web server sends web pages to the browser.