Answer:
#include <iostream>
using namespace std;
int main()
{
int length = 8;
int width = 8;
int perimeter = 2*(length + width);
int area = length * width;
cout<<"The perimeter is "<<perimeter<<endl;
cout<<"The area is "<<area<<endl;
return 0;
}
Explanation:
include the library iostream for using the input/output instructions in the c++ programming.
Create the main function and define the variable length and width with values.
Then, use the formula for calculating the perimeter and area of rectangle.
and store in the variables and finally print the output.
Answer:
He should disable UPnP technology to disallow devices to dynamically add themselves to the network without configuration.
Explanation:
- UPnP stands for Universal Plug n Play.
- It is an easiest way that allows gadgets to find all other devices connecting to your network.
- This can also modify router settings to allow devices from outside the network to access the router.
- External IP address can also be obtained by the gadget and a new port forwarding map can be set
- So from all perspectives, UPnP is an open invitation for hackers to scan for the ports and hack into the device.
- UPnP is a vulnerability to the secure system
Answer:
Hide command suppresses the visibility of a particular row or column in a worksheet
Explanation:
Hide command is used to hide the row or column in an excel worksheet. To suppress the visibility of a particular row or column in a worksheet, you have to select that particular row or column and then right-click on column or row header. A popup screen will appear as like when you refresh the computer. Then on this screen, at the bottom, you will find the hide command, click the hide command. And, as you click the hide command that particular row or column will become invisible. if you want to show it again, click the Unhide command. Therefore, hide command suppresses the visibility of a particular row or column.
Why other options are not correct
Autofit
Autofit command is used when you want that a particular cell of row or column to automatically adjust / or accommodate the content. Autofit command does not affect the visibility of a row or column.
Insert
Insert command is used to insert contents in a particular worksheet. Insert command is based on groups of various commands such as inserting tables, charts, graphs, text, symbols, add-ins, sparklines, and links.
Replace
Replace command is used in excel to replace the text with some other text. If you want to replace some text with some other text, then you have to use the replace command.
