The PING command is used to establish connectivity
Answer:
Update the unit firmware.
Explanation:
Updating unit firmware means update the information related to the network that is newly installed on the wireless router. The purpose of this change is to update the devices with new network alterations to work with efficiency and better security. As things are updating on daily basis, so the manufacturer makes the devices, reprogram able to meet the requirement of the future by updating the program in firmware unit. By updating device means this will be to fix the bugs that can be occur in modern era. This will make the device more secure.
Answer:
Output explanation to the given code can be defined as follows:
Explanation:
In A the output is 0
, It will return fork value of the child process that is 0. so, 0 is printed during child process.
In B the output is 2650
, in which the getpid() method returns the child process id value that is 2650.
In C the output is 140, As it is declared in key, all process have their own "value" copies. 20 are inserted during childhood, so 140 are written.
In D the output is 2650, its fork() method returns the child ID to the parent process. so the value 2650 is printed.
In E the output is 2600, Its getpid() method will returns parent process id that is equal to 2600.
In F the output is 120 Since the value is declared in primary, all process so their own "value" copies. 120 will be printed during process.
The following cools the air in a household refrigerator: Absorption of the heat from the air due to evaporation of the liquid refrigerant . Correct answer:B
The function of the refrigerator is to absorb heat into the refrigeration system. The evaporator is placed in the area to be cooled. The refrigerant vaporizes from the heat it absorbs heat in the evaporator.