Answer:
The answer is "Fiber Optic Cable".
Explanation:
In the given question options are defined, but in these options, there is some error.
The optical fiber cable is also known as internet wiring, which includes fiber strands inside an isolated housing. It is used to transferring data at a very high speed. This cable is developed for long-range data networking, high-performance connectivity, and multimedia, and other choices are wrong that can be described as follows:
- A modem is used to transmits data over a network, that's why it is wrong.
- Router is used to transport traffic between your computer and the internet, that's why it is wrong.
That would be an Ergonomic keyboard, due to the fact that it is laid out in such a way that doesn't harm your wrists
Answer:
(C) progressive enhancement
Explanation:
Progressive enhancement is a web design technique that first underlines the main functionality web page and then incorporates increasingly enhanced and advanced features and design levels.
This process enables the users to use and access the basic features of the web pages. These users can use any browser to access the main contents of the web page. Progressive Enhancement also offers an advanced version of the website for those with more advanced and sophisticated computer browsers or faster internet connection.
So the user can access basic features of a web sites as well as the complex features. This process first makes sure the basic intended purpose and main contents of the web site is accessible to all users before adding complex features which are supported by different browsers and devices.
Validation is a process which checks that code of the website is as per the world wide web standards and also checks that content of web pages and design of websites is being properly displayed and the site is accessible. So this is not the correct option.
Technique of altering a web site in a way that it can appear higher in the search engine results is called optimization so this is not a correct option.
When adding a header, you need to double tap the top of the document.