Set - 4

Question 36 :

What is sandbox ?

Answer :

Comprises a number of cooperating system components, ranging from security managers that execute as part of the application, to security measures designed into the Java virtual machine1 and the language itself. The sandbox ensures that an untrusted, and possibly malicious, application cannot gain access to system resources.


Question 37 :

What is scope ?

Answer :

A characteristic of an identifier that determines where the identifier can be used. Most identifiers in the Java programming environment have either class or local scope. Instance and class variables and methods have class scope; they can be used outside the class and its subclasses only by prefixing them with an instance of the class or (for class variables and methods) with the class name. All other variables are declared within methods and have local scope; they can be used only within the enclosing block.


Question 38 :

What is Secure Socket Layer (SSL) ?

Answer :

A protocol that allows communication between a Web browser and a server to be encrypted for privacy.


Question 39 :

What is security attributes ?

Answer :

A set of properties associated with a principal. Security attributes can be associated with a principal by an authentication protocol.


Question 40 :

What is security context ?

Answer :

An object that encapsulates the shared state information regarding security between two entities.