C9050-042 by IBM Valid Free Exam Practice Test

Question 1

What will be printed after the following statements?
DCL S CHAR(10);
S = '0';
S = S + 1;
PUT(S);

A. 9 blanks followed by '1' B. '1' followed by 9 blanks C. 10 blanks D. 8 blanks followed by '1 'followed by a blank

Correct Answer: C

Question 2

Given the following code, what are the default attributes of DSET1 after the READ statement?
DCL DATA CHAR (80);
DCL DSET1 FILE;
READ FILE(DSET1) INTO(DATA);

A. KEYED RECORD INPUT B. SEQUENTIAL RECORD INPUT C. DIRECT INPUT D. STREAM INPUT

Correct Answer: B

Question 3

Which of the following actions will NOT help increase the maintainability of a program?

A. Proper commenting for each piece of functionality B. Consolidating redundant code C. Deleting dead code D. Replacing subroutines with functions

Correct Answer: D

Question 4

Given the following declaration, which code does NOT initialize C completely?
DCL 1 A,
2 B DIM (0:9),
3 C DIM (5) FIXED BIN (31),
3 D CHAR (100) VAR;

A. 3 C DIM (5) FIXED BIN(31) INIT ((50)1), B. 3 C DIM (5) FIXED BIN(31) INIT ((HSOUND(C,1))( 0)), C. 3 C DIM (5) FIXED BIN(31) INIT ((*)1), D. 3 C DIM (5) FIXED BIN(31) INIT ((5)1,(*)2),

Correct Answer: B

Question 5

What are the requirements on data to apply parallelization in a program?

A. It should follow the Object model. B. It should follow the Relational model. C. It should follow the Hierarchical model. D. It should be partition able.

Correct Answer: D

Question 6

Which software quality describes the ability of software to cooperate with other applications?

A. Scalability B. Interoperability C. Reusability D. Portability

Correct Answer: B

Question 7

What does it mean that an interface is synchronous?

A. Requests are processed randomly B. Requests are processed in parallel C. Requesting program always receives immediate response D. Requesting program must wait for a reply

Correct Answer: D

Question 8

What will be printed after the following statements?
DCL B BIT(5); B = 1; PUT(B);

A. '00001'B B. '00010'B C. '10000'B D. '11111'B

Correct Answer: B

Question 9

Given the following code, which set of statements will insert the new element into the doublylinked list
after the element pointed to by P?
DCL1X BASED,
2 FORWARD POINTER,
2 BACKWARD POINTER,
2 DATA FIXED BIN (31);
ALLOC X SET(Q);

A. P->FORWARD->BACKWARD = Q;
P->FORWARD = Q;
Q->FORWARD = P->FORWARD;
Q->BACKWARD = P; B. Q->FORWARD = P->FORWARD;
Q->BACKWARD = P;
P->FORWARD = Q;
P->FORWARD->BACKWARD = Q; C. Q->FORWARD = P-> FORWARD;
Q->BACKWARD = P;
P->FORWARD->BACKWARD = P;
P->FORWARD = Q; D. Q->FORWARD = P;
Q->BACKWARD = P->BACKWARD;
P->FORWARD = Q
P->BACKWARD = Q;

Correct Answer: C

Question 10

What characterizes the hierarchical data model with respect to data access?

A. Data access supports tables. B. Data access can only be via an index. C. Data access supports parent-child relationships. D. Data access can only be sequential.

Correct Answer: C

IBM Developing with IBM Enterprise PL/I - C9050-042 Exam Practice Test