Answer:
Provision of both audio and video
,dedicated support
Explanation:
Free services are not dedicated digital lines so there is no guarantee of high-quality sound or a reliable connection during the call. Some common issues are background noises, crackling, echoes, distortion, quietness and drop-outs.Free services also don't offer dedicated support so if anything goes wrong there's nobody available to help you. Any of these problems can ruin the productivity and flow of your meeting.
Answer:
Open a file when the program needs to work with it and close the file as soon as you have finished using it.
Explanation:
In programming, we have some files that are stored in memory, or created in some other section of the program to save information.
<u><em>for example</em></u>, we want to save the data of a class or school faculty to create a database. For this purpose I need to create a file.
As the files that we will create may contains data, these files will utilize computer resources such as, memory (RAM, Cache) and other resources. While programming, we need these resources as well.
<em>Therefore, It is necessary to open a file when the program needs to work with it and close the file as soon as we have finished using it. The reason is that, it takes computer resources which are limited. </em>
Answer:
Flat web architecture
Explanation: A flat web architecture is a type of web Structure where to link chain exists, in this type of web architecture,users can access the web site with few number of clicks such as in one, two or three clicks with a maximum of four clicks.
One of the basic importance when dealing with web pages is the number of clicks before the page requested can be reached. The lower the number of clicks the better.
Correct the href value of the appropriate anchor.
