The purpose of this Sample Question Set is to provide you with information about the C++ Institute CLP - C Certified Professional Programmer exam. These sample questions will make you very familiar with both the type and the difficulty level of the questions on the CLP-12-01 certification test. To get familiar with real exam environment, we suggest you try our Sample C++ Institute CLP Certified Professional Programmer Certification Practice Exam. This sample practice exam gives you the feeling of reality and is a clue to the questions asked in the actual CLP - C Certified Professional Programmer certification exam.
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C++ Institute CLP-12-01 Sample Questions:
01. Select the valid arguments for the stat() system call.
a) File path
b) File descriptor
c) struct stat pointer
d) Buffer length
e) File access mode
02. A program needs to create a new file for writing, truncating its contents if it already exists. Which flags should be used with open()?
a) O_WRONLY | O_CREAT
b) O_WRONLY | O_CREAT | O_TRUNC
c) O_RDWR | O_CREAT
d) O_RDONLY | O_APPEND
03. Which elements are part of the C89 standard?
a) Function prototypes
b) Standard library support for I/O
c) Support for the long long data type
d) Comments using //
e) Use of const and volatile
04. A server needs to handle multiple incoming client connections concurrently. Which mechanism should be used?
a) Threads for each client connection
b) Non-blocking sockets
c) Multiplexing with select() or poll()
d) All of the above
05. What is the result of a division by zero for a floating-point type in IEEE-754?
a) Undefined behavior
b) NaN
c) Infinity (Inf)
d) Zero (0)
06. You need to create a function that logs messages of varying lengths and types. Which feature would you use?
a) Variable argument lists with <stdarg.h>
b) Fixed arguments
c) Macros with #define
d) Dynamic memory allocation
07. What are valid use cases for memcpy()?
a) Copying memory blocks
b) Duplicating strings
c) Overlapping memory regions
d) Allocating aligned memory
e) Moving memory between regions
08. You need to implement a loop where a condition is updated by an external signal. What should you ensure for the loop condition variable?
a) Declare it as volatile
b) Use const to protect it
c) Declare it as a global variable
d) Optimize it for faster execution
09. Which modes can be combined using bitwise OR for the open() system call?
a) O_RDONLY
b) O_WRONLY
c) O_CREAT
d) O_TRUNC
e) O_APPEND
10. During a financial computation, you need consistent rounding. Which library provides correct rounding with arbitrary precision?
a) GMP
b) MPFR
c) MPIR
d) IEEE-754 functions
Answers:
Question: 01
Answer: a, c |
Question: 02
Answer: b |
Question: 03
Answer: a, b, e |
Question: 04
Answer: d |
Question: 05
Answer: c |
Question: 06
Answer: a |
Question: 07
Answer: a, e |
Question: 08
Answer: a |
Question: 09
Answer: a, c, d, e |
Question: 10
Answer: b |
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