Answer:
The answer is "Packet Filter(144-145)".
Explanation:
This technique is used in firewalls, which monitors access to the network, track data transmission packets, transfer or stop based on IP protocols and ports.
- This approach is often used to test modulation packets.
- It also used to control performance and provides security.
- This mechanism also used in the IPv6.
Answer:
Blue
Explanation:
set_Property - (topButton), (#background-color), (orange)
set_Property - (bottomButton), (#background-color), (red)
set_Property - (topButton), (#background-color), (blue)
set_Property - (bottomButton), (#background-color), (green)
Here, the background color for the 'topButton' would be "blue" when the program is finished running, as it is the last task, the topButton would be set to or it is the last thing that will run for the button.
Answer:
Open a file when the program needs to work with it and close the file as soon as you have finished using it.
Explanation:
In programming, we have some files that are stored in memory, or created in some other section of the program to save information.
<u><em>for example</em></u>, we want to save the data of a class or school faculty to create a database. For this purpose I need to create a file.
As the files that we will create may contains data, these files will utilize computer resources such as, memory (RAM, Cache) and other resources. While programming, we need these resources as well.
<em>Therefore, It is necessary to open a file when the program needs to work with it and close the file as soon as we have finished using it. The reason is that, it takes computer resources which are limited. </em>
Answer:
they send electrical signals to the buzzer. The buzzer changes those electrical signals into sound. You hear the buzzer sound and know that someone is calling you.
Explanation:
