sas q3

1.

1 point

Given the following codes, what will happen if the macro call will be submitted?
%macro a(b=c);
This is &b;
%mend a;
%a

The output will be: This is c

The macro will not execute

Syntax error

The output will be: This is &b

2.

1 point

Which of the following is not true regarding %INCLUDE statement?

it can be used only on a statement boundary

it copies SAS statements from an external file to the input stack

it is a macro language statement

it is a global SAS statement

3.

1 point

The macro variable reference triggers the macro processor to search the symbol table for the reference.

True

False

4.

1 point

What clause can create series of macro variables in PROC SQL?

MAC

CREATE

SELECT

INTO:

5.

1 point

Which of the following is not true regarding the values stored in a %LET statement?

Quotation marks are stored as part of value

Leading and trailing blanks are retained from value before the assignment is made.

The case of value is preserved

Numeric tokens are stored as character strings

6.

1 point

How is an indirect reference coded?

with multiple ampersands

with % symbol

with @ sign

with multiple spaces

7.

1 point

Which of the following automatic macro variables stores the Operating system abbreviation (WIN, OS, HP 64, etc.).

SYSLAST

SYSSCP

SYSVER

SYSOS

8.

1 point

The word scanner does the following except for:

reads the text in the input stack, character by character, left to right, top to bottom

checks for syntax errors

breaks the text into fundamental units called tokens

9.

1 point

A token ends when the word scanner detects:

a comma or a quote

the beginning of another token or a blank after a token

another macro trigger

a semicolon

10.

1 point

When you submit a program, it is copied to a memory location called the word scanner.

True

False

11.

1 point

What function can retrieve macro variable's value during data step execution?

&macroname

SYMRET

SYMPUT

SYMGET

12.

1 point

What is the value of X after %LET statement execution?
%let X=%substr("ABCD",3,1);

C

A

D

B

13.

1 point

What statement creates macro variables in the
DATA step?

%LET

%PUT

&macro-name

CALL SYMPUTX

14.

1 point

Which statement correctly creates an index variable named i?

%do i=1 %to 10;

%do &i=1 to 10;

%do i=1 to 10;

%do &i=1 %to 10;

15.

1 point

MACRO expressions differs with SAS expressions on the following except for:

The IN operator does not require parentheses

Character operands are not quoted

case sensitivity

Ranges such as 1 <= &x <= 10 behave differently

16.

1 point

What statement ends a macro definition?

%ENDS

%RUN

%MEND

%QUIT

17.

1 point

To reference macro variables within a literal, enclose the literal in single quotation marks.

True

False

18.

1 point

The following are true for macro variable references except for:

can appear anywhere in your program

are case sensitive

are also called symbolic references

begin with an ampersand (&) followed by a macro variable name

19.

1 point

Macro variable references are resolved by which
of the following?

Macro processor

Input Stack

SAS Compiler

Word Scanner

20.

1 point

Macro %IF-%THEN performs text processing to determine what SAS code to place on the input stack for tokenization, compilation, and execution

True

False

21.

1 point

Argument in the %INDEX function can be any of the following except for:

macro variable references

constant text

numeric values

macro function

22.

1 point

Given the following macro variables in the global system table:
lib work
name holic
What is the value of the macro referencing, once it will be resolved?
&lib..a&name

workaholic

cannot be resolved

work.aholic

work..aholic

23.

1 point

Name tokens contain one or more characters beginning with a letter or underscore and continuing with underscores, letters, or numerals. This includes SAS formats and informats

True

False

24.

1 point

What is the value to be stored in variable total?
%let a=1+1;
%let total=a;
%let total=&total+&a;

a+1+1

a+2

a2

2a