Option A. is the correct answer the other three are not professional behaviour if you would like an explanation as to why they are not just comment
Answer:
The answer is: Only A is correct.
Explanation:
Variables in a program can assume different values at different times, and the program can then produce different results, depending on circumstances, so A is correct.
In a computer language, a reserved word (also known as a reserved identifier) is a word that cannot be used as an identifier, such as the name of a variable, function, or label – it is "reserved from use". This is a syntactic definition, and a reserved word may have no meaning. So, B is incorrect.
Hence, the answer is: Only A is correct.
Answer:
Remote access VPN
Explanation:
The solution that represents the majority of VPN's on the markets and is commonly referred to as a VPN appliance is the Remote access VPN
A remote access VPN is a type of VPN that works by creating a virtual channel (appliance ) between different devices for the purpose of exchanging data in an encrypted form. although this Tunnel passes through the public internet the Data exchanged are only accessible by the devices connected via the tunnel only .
The remote access VPN is mostly used to connect an employee to the company's network therefore it represent the majority of VPNs in the market.
Answer:
C. Hardware resources are dynamically allocated as use increases.
Explanation:
Cloud computing is a technique organisations to store and retrieve resources in a remote central database with secure access over the internet. It is able to access large data storage resources that would have cost more if they had implemented one for themselves.
A database or data centre is a online group of servers that is in a subscribed service to authorised users. Storage hardware allocation is dynamic to users, which means that another storage location in issued on every duration of subscription, making it easy to add more storage infrastructure. This defines the scalability of data centres.
Answer:
Check the explanation
Explanation:
Kindly check the attached image below to see the relation and the table names.