Answer:
Following is the code in Java Language :
DecimalFormat form1= new DecimalFormat ("0.####"); // create an instance of . //DecimalFormat
System.out.println (form1.format(res)); // display the value in proper format
Explanation:
Following are the description of the program
- Firstly we create the instance of DecimalFormat i.e "form1" that will round a formatted value to four decimal places. To create an instance or object of the class we can use a new keyword.
- Finally, we print the format by using the format method.In the format method, we pass the variable "res".The System.out.println() is used to display the value of the format.
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Answer:
Brute Force attack.
Explanation:
A network is a platform where end user devices like computers are connected to communicate and share resources. There are public networks and private networks.
A public network has its end devices and servers configured with a public IP address, which is routable on the internet, while private networks uses private IP addresses which can be used on the internet.
Private networks can be made accessable to public users by configuring an authentication and authorization policy, which could be one or a multi factor authentication. These requires a password and other factors to access the services of a private network.
An attacker can easily access a one factor or a password accessible user account, if the password is weak by using the process called a brute Force attack.
The brute Force attack exploits the vulnerability of weak passwords by entering possible valid combination from a defined set of possibilities.
The predefined formulas in Excel that contain the Boolean functions fall under the Logical Functions category. The Boolean functions consist of "AND", "OR", "XOR", "NOT", "IF", "IFERROR" and "IFNA". When you need to use an Excel Function, you can type the function into the cell. You also need to add the arguments for the function in between brackets. If the function is complex or you are a beginner user, there is a function inputting tool which will help you choose which function you require.
