CLP-12-01 시험 - C++ Institute실제시험문제와 답 - 160문항

Question No : 1

What system call is used to obtain error number information?

A.close()
B.errno
C.access()
D.read()

정답:
Explanation:
errno is a variable that stores the error number from system calls indicating the type of error that occurred.

Question No : 2

Which function is used to accept a connection from a client in socket programming?

A.recv()
B.send()
C.connect()
D.accept()

정답:
Explanation:
The "accept" function is used to accept a connection from a client in socket programming.

Question No : 3

Which of the following C standards introduced the _Bool keyword for boolean data types?

A.C11
B.C89
C.C99
D.C95

정답:
Explanation:
C11 introduced the _Bool keyword for boolean data types.

Question No : 4

What function is used to concatenate two strings in C?

A.strcat()
B.strncpy()
C.memcpy()
D.strcpy()

정답:
Explanation:
strcat() is used to concatenate two strings in C.

Question No : 5

What is the purpose of the "connect" function in socket programming?

A.To accept incoming connections
B.To close a connection
C.To send data to a server
D.To establish a connection with a remote host

정답:
Explanation:
The "connect" function in socket programming is used to establish a connection with a remote host.

Question No : 6

Which type of concurrency model is used by POSIX threads (pthread) in C programming?

A.Preemptive
B.Co-operative
C.Single-threaded
D.Multi-threaded

정답:
Explanation:
POSIX threads (pthread) in C programming use a multi-threaded concurrency model.

Question No : 7

In <stdarg.h>, what data type is used to declare a variable which represents the argument list?

A.va_float
B.va_list
C.va_int
D.va_char

정답:
Explanation:
The va_list data type is used to declare a variable representing the argument list.

Question No : 8

What is the purpose of the new C11 keyword _Generic?

A.To specify the alignment of data structures
B.To declare variables with a generic data type
C.To provide generic error handling in functions
D.To define generic functions that can operate on different data types

정답:
Explanation:
The new C11 keyword _Generic allows the definition of generic functions that can operate on different data types.

Question No : 9

Which system call is used to check the accessibility of a file in C programming?

A.access()
B.errno
C.close()
D.open()

정답:
Explanation:
The access() system call is used to check the accessibility of a file in C programming.

Question No : 10

Which C11 keyword is used to indicate a function that never returns?

A._Noreturn
B._Pragma
C._Alignof
D._Bool

정답:
Explanation:
The _Noreturn keyword in C11 is used to indicate a function that never returns control to its caller.

Question No : 11

What is the purpose of the function socket() in network socket programming?

A.To establish a connection with a remote server
B.To create a new socket
C.To send data over the network
D.To bind a socket to a specific network address

정답:
Explanation:
The function socket() is used to create a new socket in network socket programming.

Question No : 12

In the context of managing Unix and Windows processes, what is a PID?

A.Priority In Dispatch
B.Program Identifier
C.Process Identification Number
D.Process Indicator

정답:
Explanation:
PID stands for Process Identification Number in managing Unix and Windows processes.

Question No : 13

Which protocol is commonly used for network socket programming?

A.TCP
B.DNS
C.SSH
D.HTML

정답:
Explanation:
TCP (Transmission Control Protocol) is commonly used for network socket programming.

Question No : 14

What is the purpose of using memory alignment techniques in specialized programming considerations?

A.Memory alignment is a security measure against buffer overflows
B.Memory alignment is exclusively used in high-level languages
C.Memory alignment is used to optimize data access and improve performance
D.Memory alignment techniques have no impact on program performance

정답:
Explanation:
Using memory alignment techniques in specialized programming considerations helps optimize data access, enhance performance, and ensure that memory accesses conform to hardware requirements.

Question No : 15

Which data type in C has the largest size?

A.long
B.float
C.double
D.int

정답:
Explanation:
The double data type in C typically has a larger size than int, long, or float.

C++ Institute CLP-12-01 시험