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Alla [95]
3 years ago
8

Requests to retrieve data written in a language such as SQL are called…

Computers and Technology
1 answer:
Oksanka [162]3 years ago
5 0
B. Queries

Queries can be fairly broad or written to focus on time frames, types of data, ranges etc.
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A network administrator has been given a network of 172.16.85.0/21 and wants to know the usable range of IP addresses on that su
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Answer:

The correct answer to the following question will be option C.

172.16.80.1-172.16.87.254

Explanation:

IP Address: IP Address stands for Internet Protocol Address, a unique numerical label allotted to every computer network that are connected to the network of the computer and communicate through the internet protocol.

  • An IP address can be separated by periods and having four numbers that are called Octet. Range of IP address can be from 0 to 255.
  • We have to keep the first 21 bits and start setting all from the 22nd bit on to 0 (zero).
  • To get the suitable and the correct range of the address, we add and subtract 1 from the given broadcast address i.e.,172.16.85.0/21.

So, option C is the right answer and no other option is usable according to the given explanation and the address given by the administrator.

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What does the shell of an operating system do
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The OS shell allows access to the operating system services

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