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k0ka [10]
3 years ago
8

When you make a DNS query, where does your computer first check to find an IP address to name mapping?

Computers and Technology
1 answer:
TEA [102]3 years ago
7 0

Answer:

b. Your local machine

Explanation:

Your local machine keeps a cache to minimize the DNS traffic. You can see this for yourself: Type ipconfig /displaydns to view the contents of this cache.

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Functions of barriers include (mark all that apply): A. Define boundaries B. Design layout C. Deny access D. Delay access
gayaneshka [121]

Answer:

A. Define boundaries

C. Deny access

D. Delay access

Explanation:

A barrier is a material or structure used to prevent or block access. Barriers can either be natural or structural and are used for many purposes usually for security reasons. The following are functions of barriers either natural or structural:

  1. Define areas of boundaries
  2. Delay or slow access. Example is the use of speed bumps to slow down vehicles.
  3. Provide access to entrances such as the use of gates
  4. Deny access to unauthorized personnel and allowing authorized personnel.
4 0
3 years ago
Which C99 function can be used to convert a string to a double?
nordsb [41]

Answer:

atof

Explanation:

atof function is used to convert a string to a double.

It takes a single parameter of type const char * and returns a double value.

The function signature is: double atof (const char* str);

In order to use this function in the code, you need to include the header file <stdlib.h>

For example:

#include <stdio.h>

#include <stdlib.h>  

int main()

{

   char str[5] = "0.01";

   double d = atof(str);

   printf("Value = %f\n", d);

   return 0;

}

5 0
4 years ago
How is binary used in pixels and in sound?
FinnZ [79.3K]

Answer:

Sound needs to be converted into binary for computers to be able to process it. To do this, sound is captured - usually by a microphone - and then converted into a digital signal. The samples can then be converted to binary. They will be recorded to the nearest whole number.

Explanation:

is this it?

3 0
3 years ago
Read 2 more answers
1. The process of creating workable systems in a very short period of time is called
12345 [234]

Answer:

okay i know only 1st question and answer

answer:rapid application development

6 0
3 years ago
The function keys are labeled from f1 to wat
Fed [463]
If we are talking about a simple North American Keyboard, The answer would be F1 to F12
Hope this Helps!!!
8 0
3 years ago
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