Answer: Simple-locker
Explanation:Simple-locker is the program that works on the technique in which it automatically encrypts the data or files and then demand a certain ransom or money from the user for the decryption of that data. It works on the function to gain the ransom or incentive in the financial form.
The decryption can only be carried out in safe way when the victim has the key to decrypted data or file.
Answer:
2
Explanation:
The output of the Java program is 2. The public Vehicle class is defined with the class variable 'counter'. When a Vehicle class object is instantiated, the counter variable increments by one.
In the program, the two instances of the class are created, incrementing the counter variable to two, the print statement outputs 2 as the result of the program.
Answer:
Purposes of Data Layer, in the Layered model for web applications are as following:-
1. The data Layer,is the third layer and it takes care of the all the operations concerning the database level.
2. This data layer gets a command from the application layer to send a query to the database and will process this command according to the type of database that is used.
3. It will ensure that the correct connections to the database are set.
4. It is represented by the Database.
Answer: Queries
Explanation: A database management system(DBMS) is a system that contains the data/information in the form of content or tables.There is a software that can populate the system by the excess data usually found in the SQL format
A query is the demand for the extraction of the information that is present in the database table or content.It helps in presenting extracted data in the readable data.The most commonly used language for the queries is the SQL (structured query language) queries.Thus, the correct option is queries.
