Ch.2 Communication and Internet Technologies Flashcards
1
Q
How do DOS attacks work?
A
- Large number of requests sent to server at once
- Useless traffic floods the server
- Server will come to a stop trying to deal with the traffic
- Prevents users gaining access to the web server
2
Q
What do cookies do?
A
- Saves log-in information
- Provides customized page for user
- Enables target advertisements
- One-click purchasing
3
Q
3 functions of browsers
A
− Allows user to view web pages − Renders HTML − Allows user to bookmark/favourite web pages − Provides navigation features − Allows (multiple) tabs − Stores cookies − Records history of pages visited − Has a homepage − Runs active script − Allows files to be downloaded from website/internet − Sends a request to the IP address/web server (to obtain the contents of a web page) − Sends URL to DNS − Manages HTTP/HTTPS protocol
4
Q
Location of a device on a network
A
IP address
5
Q
Number that uniquely identifies device
A
MAC address
