12474176
Description
Flashcards by Nathan Pound, updated more than 1 year ago
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Created by Nathan Pound
about 6 years ago
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| Question | Answer |
| Question: What is the purpose of a firewall? | Answer: To prevent unauthorized connections coming in to and out of a network |
| Question: What is the purpose of a username and password? | Answer: To identify the user and to verify they are who the claim to be |
| Question: What makes a secure password? | Answer: A secure password should be one that you will easily remember and be a mixture of upper-case and lower-case letters, numbers and characters |
| Question: Why are access levels useful? | Answer: They control the level of access a user has to the network |
| Question: What is encryption? | Answer: Encryption disguises data so that it can't be understood |
| Question: What is the purpose of anti-virus software? | Answer: Anti-virus software detects and removes viruses from computers |
| Question: What is an archive? | Answer: A copy of old data that is removed from the network and kept safe for later use |
| Question: Why do organisations have network policies? | Answer: A network policy forms an agreement between the organisation and its users on acceptable usage of the network. |
| Question: How do you know if a website is secure? | Answer: The prefix of the website is "https" |
| Question: What is a dynamic website? | Answer: A website that has interactive elements |
| Question: What web development languages are most websites written in? | Answer: HTML and CSS with some scripting languages like JavaScript and PHP |
| Question: What does a cascading style sheet (CSS) do? | Answer: It is where the different formatting choices are stored for the website and is used to edit the appearance of the website |
| Question: What is a mashup? | Answer: A website or application which mixes code from different external sources |
| Question: What are cookies? | Answer: Text files that are stored on your computer that tell a website if you have been to that site before |
| Question: What identifies the kind of device that is accessing the website? | Answer: A protocol |
| Question: What is the difference between the client-side scripts and the Server-Style Scripts? | Answer: Client-side scripts are programs that are processed by the web browser and server-style scripts are processed by the web server |
| Question: How do search engines rank the website result they receive? | Answer: Websites appear higher up a list of results because they are judged to be more important by the search algorithm. This is measured by the popularity of a site and how many connections it has with other websites |
| Question: What is cloud computing? | Answer: Cloud computing is storing and using services online, rather than storing them locally on a device such as a hard drive |
| Question: Why is cloud computing advantageous? | Answer: Data backed up in the cloud with a reliable provider can be more reliable than storing your information on a hard drive or USB flash memory stick |
| Question: What is a web browser? | Answer: Software that allows the user to access web pages, documents and web applications on the internet |
| Question: What is needed for a broadband connection to the internet? | Answer: An ADSL modem, an ISP and wired or wireless connection |
| Question: What can affect the speed of data transfer over a telephone line? | Answer: The quality of the telephone line and the distance between the modem and the telephone exchange |
| Question: Which type of connection is preferable for streaming high-definition video? | Answer: Fibre optic |
| Question: What is Fibre Optic? | Answer: Fibre optic cable is more expensive than most connection types but has a higher data transfer rate. |
| Question: What is a protocol? | Answer: A protocol is a set of rules that defines how devices communicate |
| Question: What does the hypertext transfer protocol (HTTP) do? | Answer: It transfers web pages from web servers to the client |
| Question: What does compressing a file do? | Answer: It reduces the size of a file |
| Question: What is a buffer? | Answer: A temporary storage space where data can be held and processed |
| Question: What happens at the 'handshaking' between two devices? | Answer: The client requests access, the server grants it, and the protocols are agreed |
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