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some interview questions



C & C++ >>OS >> JAVA >>asp.net >>Net working >> Database

C & C++

  1. .What is Operator, Operand, Expression, Statement in 'C'?
  2. . What's the difference between C and C++?
  3. . Does C++ come with in-built threading support.
  4. What is operator overloading?
  5. . Declare a void pointer.
  6. . How do you call a C module within a C++ module.
  7. .Compare and contrast C++ and Java.
  8. . What errors are caught at compile time vs link time?
  9. . Is it possible to keep 2 stacks in a single array, if one grows from position one of the array, and the other grows from the last position.
  10. Type-define a function pointer which takes a int and float as parameter and returns a float *.
  11. . What is polymorphism?
  12. What does Public and Private mean in C++ ?



0. What is MUTEX ?
1. What isthe difference between a 'thread' and a 'process'?
2. What is INODE?
3. Explain the working of Virtual Memory.
4. How does Windows NT supports Multitasking?
5. Explain the Unix Kernel.
6. What is Concurrency? Expain with example Deadlock and Starvation.
7. What are your solution strategies for "Dining Philosophers Problem" ?
8. Explain Memory Partitioning, Paging, Segmentation.
9. Explain Scheduling.
10. Operating System Security.
11. What is Semaphore?
12. Explain the following file systems : NTFS, Macintosh(HPFS), FAT .
13. What are the different process states?
14. What is Marshalling?
15. Define and explain COM?
16. What is Marshalling?
17. Difference - Loading and Linking ?















0. What is the difference between procedural and object-oriented programs?
1. What are Encapsulation, Inheritance and Polymorphism?
2. What is the difference between Assignment and Initialization?
4. What is OOPs?
5. What are Class, Constructor and Primitive data types?
6. What is an Object and how do you allocate memory to it?
7. What is the difference between constructor and method
8. What are methods and how are they defined?
9. What is the use of bin and lib in JDK?
10. What is casting?
11. How many ways can an argument be passed to a subroutine and explain them?
12. What is the difference between an argument and a parameter?











0. What is IL? (Twist :- What is MSIL or CIL , What is JIT?)
1. What is the CLR?
2. What is the CTS?
3. What is CLS(Common Language Specification)?
4. What is Managed Code?
5. What is Assembly ?
6. What are different types of Assembly?
7. What is NameSpace?
8. What is Difference between NameSpace and Assembly?
9. If you want to view a Assembly how to you go about it (Twist : What is ILDASM ?) ?
10. What is Manifest?
11. Where is version information stored of a assembly ?
12. Is versioning applicable to private assemblies?
13. What is GAC (Twist :- What are situations when you register .NET assembly in GAC ?) ?
14. What is concept of strong names (Twist :- How do we generate strong names or what is the process of generating string names , What is use of SN.EXE , How do we apply strong names to assembly ? , How do you sign an assembly ?)?
15. How to add and remove a assembly from GAC?
16. What is Delay signing ?
17. What is garbage collection?
18. Can we force garbage collector to run ?
19. What is reflection?
20. What are different type of JIT ?
21. What are Value types and Reference types ?
22. What is concept of Boxing and Unboxing ?
23. Whats difference between VB.NET and C# ?
24. Whats difference between System exceptions and Application exceptions?
25. What is CODE Access security?



















Net working

0. User(s) are complaining of delays when using the network. What would you do?
1. What are some of the problems associated with operating a switched LAN?
2. Name some of the ways of combining TCP/IP traffic and SNA traffic over the same link.
3. What sort of cabling is suitable for Fast Ethernet protocols?
4. What is a Class D IP address?
5. Why do I sometimes lose a server's address when using more than one server?
6. What is Firewall?
7. How do I monitor the activity of sockets?
8. How would I put my socket in non-blocking mode?
9. What are RAW sockets?
10. What is the role of TCP protocol and IP protocol.
11. What is UDP?
12. How can I make my server a daemon?
13. How should I choose a port number for my server?
14. Layers in TCP/IP
15. How can I be sure that a UDP message is received?
16. How to get IP header of a UDP message
17. Writing UDP/SOCK_DGRAM applications
18. How many bytes in an IPX network address?
19. What is the difference between MUTEX and Semaphore?
20. What is priority inversion?
21. Different Solutions to dining philosophers problem.
22. What is a message queue?
23. Questions on Shared Memory.
24. What is DHCP?
25. Working of ping, telnet, gopher.
26. Can I connect two computers to internet using same line ?




















0. Explain normalization with examples.
1. What cursor type do you use to retrieve multiple recordsets?
2. Diffrence between a "where" clause and a "having" clause
3. What is the difference between "procedure" and "function"?
4. How will you copy the structure of a table without copying the data?
5. How to find out the database name from SQL*PLUS command prompt?
6. Tadeoffs with having indexes
7. Talk about "Exception Handling" in PL/SQL?
8. What is the diference between "NULL in C" and "NULL in Oracle?"
9. What is Pro*C? What is OCI?
10. Give some examples of Analytical functions.
11. What is the difference between "translate" and "replace"?
12. What is DYNAMIC SQL method 4?
13. How to remove duplicate records from a table?
14. What is the use of ANALYZing the tables?
15. How to run SQL script from a Unix Shell?
16. What is a "transaction"? Why are they necessary?
17. Explain Normalizationa dn Denormalization with examples.
18. When do you get contraint violtaion? What are the types of constraints?
19. How to convert RAW datatype into TEXT?
20. Difference - Primary Key and Aggregate Key
21. How functional dependency is related to database table design?
22. What is a "trigger"?
23. Why can a "group by" or "order by" clause be expensive to process?
24. What are "HINTS"? What is "index covering" of a query?
25. What is a VIEW? How to get script for a view?
26. What are the Large object types suported by Oracle?
27. What is SQL*Loader?
28. Difference between "VARCHAR" and "VARCHAR2" datatypes.