This can be a tricky question because this could be true or false depending how the Web Server is setup. For instance, with the Apache web server you do not need an index.html file as long as you have a index.htm file or an index.php file. So the answer could be false if you have one of the other files. Anyways, I think they mean an index file in general so the answer is true.
Answer:
Ransomware is malicious software that infects your computer and displays messages demanding a fee to be paid in order for your system to work again. It has the ability to lock a computer screen or encrypt important, predetermined files with a password.
Explanation:
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Answer:
Explanation:
Different technologies use different user interface designs in order to make the user experience as easy and intuitive as possible. This varies drastically from one device to another because of the capabilities and size of each device. If we take a fitness/smart watch into consideration, this device does not use pop up menus or side scrolling menus but instead uses large full screen menus where each option nearly fills the entire screen. That is done because the smart watch screens are very small and making everything full screen makes reading and swiping through options that much easier for the user. If the user interface were the same as in a television or smartphone it would be impossible to navigate through the different options on such a tiny screen.
Answer:
Mainframes (also called "big iron")[1] are powerful computers used for large information processingjobs. They are mainly used by governmentinstitutions and large companies for tasks such as census, industry and consumer statistics, enterprise resource planning, and financial transaction processing. Mainframe computers are specially used as servers on the World Wide Web (WWW). They are distinct from supercomputers.
Answer:
Distributed DOS attacks.
Explanation:
Computers in a network or the network itself is are prone to cyber attacks. A cyber attack is a concept of taking advantage of computer network vulnerabilities, to retrieve information from the target source. An example of these types of security attacks is the denial of service (or DOS) attacks.
The DOS or the distributed DOS attack prevents users form accessing or requesting a service that they are legitimately allowed, by flooding the target system with superfluous resource request from millions of computers, controlled by the attacker.