Aptitude Questions

(Datatypes C#)

1.

Which of the following statements are correct about data types? 1.            If the integer literal exceeds the range of byte, a compilation error will occur. 2.            We cannot implicitly convert non-literal numeric types of larger storage size                  to byte. 3.            Byte cannot be implicitly converted to float. 4.            A char can be implicitly converted to only int data type. 5.            We can cast the integral character codes.

A. 1, 3, 5 B. 2, 4 C. 3, 5 D. 1, 2, 5

2.	Which of the following is an 8-byte Integer?
	A. Char B. Long C. Short D. Byte E. Integer

4.	Which of the following statements is correct?
	A. Information is never lost during narrowing conversions. B. The CInteger() function can be used to convert a Single to an Integer. C. Widening conversions take place automatically. D. Assigning an Integer to an Object type is known as Unboxing. E. 3.14 can be treated as Decimal by using it in the form 3.14F.

5.	Which of the following are value types? 1.            Integer 2.            Array 3.            Single 4.            String 5.            Long
	A. 1, 2, 5 B. 1, 3, 5 C. 2, 4 D. 3, 5

6.  Which of the following does not store a sign? A. Short B. Integer C. Long D. Byte E. Single

7. What is the size of a Decimal?

A. 4 byte B. 8 byte C. 16 byte D. 32 byte

8.	Which of the following is the correct size of a Decimal datatype?
	A. 8 Bytes B. 4 Bytes C. 10 Bytes D. 16 Bytes E. None of the above.

(Networking)

1.	How long is an IPv6 address?
	A. 32 bits B. 128 bytes C. 64 bits D. 128 bits

2.	What flavor of Network Address Translation can be used to have one IP address allow many users to connect to the global Internet?
	A. NAT B. Static C. Dynamic D. PAT

3.	What are the two main types of access control lists (ACLs)? 1.            Standard 2.            IEEE 3.            Extended 4.            Specialized
	A. 1 and 3 B. 2 and 4 C. 3 and 4 D. 1 and 2