C Programming Test (Random Questions)

What SQL structure is used to limit column values of a table?

Which of the following command is used to create a Linux installation boot floppy?

Which of the following are disadvantages of using NAT?

1. Translation introduces switching path delays.
2. Conserves legally registered addresses.
3. Causes loss of end-to-end IP traceability.
4. Increases flexibility when connecting to the Internet.
5. Certain applications will not function with NAT enabled.
6. Reduces address overlap occurrence.

On a VLSM network, which mask should you use on point-to-point WAN links in order to reduce the waste of IP addresses?

An extranet is which of the following?

What will be the output of the program?

class PassA
{
public static void main(String [] args)
{
PassA p = new PassA();
p.start();
}

void start()
{
long [] a1 = {3,4,5};
long [] a2 = fix(a1);
System.out.print(a1[0] + a1[1] + a1[2] + " ");
System.out.println(a2[0] + a2[1] + a2[2]);
}

long [] fix(long [] a3)
{
a3[1] = 7;
return a3;
}
}

Carrier is

Can static procedures access instance data?

Which of the following statements are correct about the C#.NET code snippet given below?

if (age > 18 && no < 11)
a = 25;

1 The condition no < 11 will be evaluated only if age > 18 evaluates to True.

2 The statement a = 25 will get executed if any one condition is True.

3 The condition no < 11 will be evaluated only if age > 18 evaluates to False.

4 The statement a = 25 will get executed if both the conditions are True.

5 && is known as a short circuiting logical operator.

In Cisco's Unified Wireless Solution, what is the split-MAC architecture?

A distributed database is which of the following?

A computer assisted method for the recording and analyzing of existing or hypothetical systems is

In heavily overloaded networks, cross¬bar switching offers better performance than cell-backplane switching

Which of the following will be the correct output for the C#.NET code snippet given below?

String s1 = "Five Star";
String s2 = "FIVE STAR";
int c;
c = s1.CompareTo(s2);
Console.WriteLine(c);

Which of the following statements are correct about Inheritance in C#.NET?

1 A derived class object contains all the base class data.

2 Inheritance cannot suppress the base class functionality.

3 A derived class may not be able to access all the base class data.

4 Inheritance cannot extend the base class functionality.

5 In inheritance chain construction of object happens from base towards derived.

 Which of the following statement is correct?

Locks placed by the DBMS are called ________ .

What is bytecode?

How many copies of the database schema are typically used in the redesign process?

Which command is used to delete the directory that is empty?