Answer:
a: Twisted pair won't span a 400-foot distance.
Explanation:
The maximum distance that twisted pair cables can support without attenuation is 100 meters which is approximately 328 feet and the two office buildings are 400 feet apart, so it is useless to install a twisted pair cable for such a large distance. A much better option would be to install optic fiber. Though it is a bit expensive but it is the best option in this case.
Hence option (a) is the correct reason for installing an optic fiber cable rather than a twisted pair cable.
The three components is a specialized video card, large and fast hard drives and specialized audio card.
Answer:
Singleton pattern is the pattern for design that is build using the global variables which creates a lot of drawback in the designing. Singleton pattern are considered with the global variable and thus cannot be bound into single unit which complexes the components in design.
They have a loose coupled variables in design and also does not show the property of the multi-threading .These feature are responsible for the decrement in the performance and thus are not highly preferred choice for the pattern.So, it is known as the "anti- pattern".
Answer:
The answer is described below
Explanation:
E safety means means protection of private information and personal safety when using the internet. E safety involve the protection of private information, passwords against identity theft or property theft. A persons private information, passwords can be gotten through the use of phishing or malwares.
Also, the use of internet has exposed people to cyber bullying(i.e abuse of an individual), stalking, engaging underage children into sexual relationships and sextortion.
E safety help protect children from harmful content and services as those listed.
