Answer: Coaxial Cable has got two physical channel layer in same axis of the cable that is why it is known as "coaxial cable".
Explanation: Coaxial cable is the main example for television cable and telephone cable that have two physical layer of channels and are separated by a insulating material layer and the outer layer working a ground section.The axis of both the physical layer are present on the same axis of the cable and thus is known as coaxial cable. They cable is usually made up of copper and some other materials.
Answer:
The answer to this question is the option "A".
Explanation:
In this question, the answer is option "A" which is the library. The term library stands in programming language for library made available across implementations of a programming language. In the programming section library is a collection of pre-compiled modules that a program can use and modules are stored in object format. We can reuse these modules in our program. So the answer to this question is the library.
Answer: Information security
Explanation:
The information security is one of the system that keeps the data confidential, assure the integrity and also availability of the information or data.
This system is basically refers as the CIA triad in the information security system and the data risk management.
The main aim of the information security is that keeps the data protected from the unauthorized accessing and also controlling the access in the system.
Therefore, Information security is the correct answer.
