Answer:
A. Define boundaries
C. Deny access
D. Delay access
Explanation:
A barrier is a material or structure used to prevent or block access. Barriers can either be natural or structural and are used for many purposes usually for security reasons. The following are functions of barriers either natural or structural:
- Define areas of boundaries
- Delay or slow access. Example is the use of speed bumps to slow down vehicles.
- Provide access to entrances such as the use of gates
- Deny access to unauthorized personnel and allowing authorized personnel.
Answer:
public class Class {
private String name ="";
private int score = 0;
//Method SetName
public void setName(String newName){
name = newName;
}
//Method SetScore
public void setScore(int newScore){
score = newScore;
}
//Method GetName
public String getName() {
return name;
}
//Method GetScore
public int getScore() {
return score;
}
}
Explanation:
- The class called Class is implemented in Java programming language
- It has two fields (instance variables name and score)
- Methods for setting the values of variables (mutator methods) or setters
- Methods for getting the values of the variables (accessor methods) getters
Solution :
a.
public Book(
, String author, 
, int 
) {
this.
= ;
this.
= ;
this.
= ;
this. = ;
b). 
getTitle() {
return ;
}
setTitle() {
this. = ;
}
getAuthor() {
return author;
}
setAuthor(String author) {
this. = ;
}
getPublisher() {
return ;
}
setPublisher(String ) {
this. =;
}
public int get() {
return ;
}
set(int ) {
this. = ;
}
The correct statement about database services or database instances is
( B).<u>An instance of the cloud database operates as a service that handles all application requests to work with the data in any of the databases managed by that instance.</u>
<u />
Explanation:
An instance of the Database Engine can be defined as a service that <u>all application requests to work with the data in any of the databases managed by that instance.The data can be on the same system or can be on another system </u>
So in case of a Cloud based database engine
( B).<u>An instance of the cloud database operates as a service that handles all application requests to work with the data in any of the databases managed by that instance.</u>
<u />
