SAS Advanced Programming Vendor: SAS Institute Exam Code: A00-212

Vendor: SAS Institute

Exam Code: A00-212

Exam Name: SAS Advanced Programming Exam for

SAS 9

QUESTION 1

The following SAS program is submitted:
Data sasuser.history;
Set sasuser.history(keep=state x y
Rename = (state=ST));
Total=sum(x,y);
Run;
The SAS data set SASUSER.HISTORY has an index on the variable STATE.
Which describes the result of submitting the SAS program?

A. The index on STATE is deleted and an index on ST is created
B. The index on STATE is recreated as an index on ST
C. The index on STATE is deleted
D. The index on STATE is updated as an index on ST

Correct Answer: C
Explanation
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QUESTION 2

The following SAS program is submitted:
%macro one(input);
%two;
%put the value is &date;
%mend;
%macro two;
data _null_;
call symput('date','12SEP2008');
run;
%mend;
%let date=31DEC2006;
%one(&date)
What is the result when the %PUT statement executes?

A. A macro variable DATE with the value 12SEP2008 is retrieved from the local symbol table for the ONE
macro
B. A macro variable DATE with the value 12SEP2008 is retrieved from the local symbol table for
theTWOmacro
C. A macro variable DATE with the value 12SEP2008 is retrieved from the global symbol table
D. A macro variable DATE with the value 31DEC2006 is retrieved from the global symbol table
Correct Answer: C
Explanation
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QUESTION 3

Which SET statements option names a variable that contains the number of the observation to read during
the current iteration of the DATA step?

A. OBS=pointobs
B. POINT=pointobs
C. KEY=pointobs
D. NOBS=pointobs
Correct Answer: B
Explanation
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QUESTION 4

When reading a SAS data file, what does the NOBS=option on the SET statement represent?

A. A variable that represents the total number of observation in the output data set(s)
B. A variable that represents a flag indicating the end of the file
C. A variable that represents the total number of observations in the input data set(s)
D. A variable that represents the current observation number
Correct Answer: C
Explanation
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QUESTION 5

The following SAS program is submitted:
%micro test(var);
%let jobs=BLACKSMITH WORDSMITH SWORDSMITH;
%let type=%index(&jobs,&var);
%put type = &type;
%mend;
%test(SMITH)
What is the value of the macro variable TYPE when the %PUT statement executes?

A. 0
B. Null
C. 6
D. 3
Correct Answer: C
Explanation
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QUESTION 6

The following SAS program is submitted:
%macro check(num=4);
%let result=%eval(&nm gt 5);
%put result is &result;
%mend;
%check (num=10)
What is written to the SAS log?

A. result is true
B. result is 10 gt 5
C. result is 1
D. result is 0
Correct Answer: C
Explanation
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QUESTION 7

The following SAS program is submitted:
data temp;
length 1 b 3 x;
infile 'file reference';
input a b x;
run;
What is the result?

A. The data set TEMP is not created because variables A and B have invalid lengths
B. The data set TEMP is created, but variable X is not created
C. The data set TEMP is not created because variable A has an invalid length
D. The data set TEMP is created and variable X has a length of 8
Correct Answer: C
Explanation
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QUESTION 8

The following SAS program is submitted:
%let dept=prod;
%let prod=merchandise;
The following message is written to the SAS log:
The value is "merchandise"
Which SAS System option writes this message to the SAS log?

A. %put the value is "&&&dept";
B. %put the value is "&&&dept";
C. %put the value is "&&&dept";
D. %put the value is %quote(&&&dept);
Correct Answer: A
Explanation
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QUESTION 9

The following SAS program is submitted:
date view=sauser.ranch;
describe;
run;
What is the result?

A. The program creates a DATA step view called SASUSER.RANCH and places the program cod in the
current editor window
B. The program retrieves the SAS source code that creates the view and places it in the output window
C. The program creates a DATA step view called SASUSER.RANCH and places it in theSAS log
D. the program retrieves the SAS source code that creates the view and places it in theSAS log
Correct Answer: D
Explanation
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QUESTION 10

Which SAS procedure changes the name of a permanent format for a variable stored in a SAS data set?

A. DATASETS
B. MODIFY
C. FORMAT
D. REGISTRY
Correct Answer: A
Explanation
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QUESTION 11

Given the SAS data set ONE:
ONE
DIVISION SALES
A 1234
A 3654
B 5678
The following SAS program is submitted:
Data_null_;
Set one;
By divition;
If first.division then
Do;
%let mfirst=sales;
end;
run;
What is the value of the macro variable MFRIST when the program finishes execution?

A. 1234
B. sales
C. 5678
D. null
Correct Answer: B
Explanation
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QUESTION 12

The following SAS program is submitted:
%let first=yourname;
%let last=first;
%put &&&last;
What is written to the SAS Log?

A. First
B. Yourname
C. &&First
D. &yourname
Correct Answer: B
Explanation
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QUESTION 13

The following SAS program is submitted:
%let a=cat;
%macro animal(a=frog);
%let a=bird;
%mend;
%animal(a=pig)
%put a is &a;
What is written to the SAS log?

A. a is pig
B. a set cat
C. a is frog
D. a is bird
Correct Answer: B
Explanation
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QUESTION 14

Which SQL procedure program deletes rows from the data set CLASS?

A. proc sql;Select * from classWhere age<(select stop_age from threshold);Quit;
B. proc sql;Modify table classDelete where age<(select stop_age from threshold);Quit
C. proc sql;Delete from classWhere age<(select stop_age from threshold);Quit;
D. proc sql;Alter from classDelete where age<(select stop_age from threshold);Quit;
Correct Answer: C
Explanation
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QUESTION 15

The following SAS program is submitted:
%let lib=%upcase(sauser); proc sql;
select nvar form dictionary.tables where libname='&lib"; quit; Several SAS data sets exist in the SAUSER
library.
What is generated as output?

A. A report showing the names of the columns in each table in SASUSER
B. A report showing the number of columns in each table in SASUSER
C. A report showing the numeric columns in each table in SASUSER
D. A report showing the number of numeric columns in each table in SASUSER
Correct Answer: B
Explanation
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QUESTION 16

The following SAS program is submitted:
%macro loop;
data one;
%do I=1 %to 3;
var&I=&I;%
end
run;
%mend;
%loop
After this program executes; the following is written to the SAS log:
(LOOP): Beginning execution
(LOOP): %DO loop beginning; index variable l; start value is 1; stop value is 3; by value is 1 (LOOP): %DO
loop index variable l is now 2; loop will iterate again (LOOP): %DO loop index variable l is no 3; loop will
iterate again (LOOP): %DO loop index variable l is no 4; loop will iterate again (LOOP): Ending execution
Which SAS system option displays the notes in the SAS log?

A. SYMBOLGEN
B. MLOGIC
C. MACRO
D. MPRINT
Correct Answer: B
Explanation
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QUESTION 17

The following SAS program is submitted:
proc contents data = testdata.one;
run;
Which SQL procedure program produces similar information about the column attributes of the dataset
TESTDATA.ONE?

A. proc sql;Contents table testdata.one;Quit;
B. proc sql;Describe table testdata.one;Quit;
C. proc sql;describe testdata.one;Quit;
D. proc sql;Contents testdata.one;Quit;
Correct Answer: B
Explanation
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QUESTION 18

The following SAS program is submitted:
data temp;
array points{2,3} (10,15,20,25,30,35);
run;
What impact does the ARRAY statement have in the Program Data Vector(PDV)?

A. No variable are created in the PDV
B. The variables named POINTS10, POINTS15, POINTS20, POINTS25, POINTS30,POINTS35 are
created in the PDV
C. The variables named POINTS1, POINTS2, POINTS3 POINTS4, POINTS5,POINTS6 are created in the
PDV
D. The variables named POINTS11, POINTS12, POINTS21, POINTS22, POINTS23 are created in the
PDV
Correct Answer: C
Explanation
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QUESTION 19

Given the SAS data set ONE:
ONE
NUM VAR
1 A
2 B
3 C
Which SQL procedure program deletes the data set ONE?

A. proc sql;Drop table one;Quit;
B. proc sql;Remove table one;Quit;
C. proc sql;Delete table one;Quit;
D. proc sql;Delete from one;Quit;
Correct Answer: A
Explanation
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QUESTION 20

The following SAS program is submitted:
%macro location;
data _null_;
call symput ('dept','sales');
run;
%let country=Germany;
%put_global_;
%mend;
%let company = ABC;
%location;
Which macro variables are written to the SAS log?

A. COMPANY and DEPT only
B. COMPANY,COUNTRY and DEPT
C. COMPANY Only
D. COMPANY and COUNTRY only
Correct Answer: A
Explanation
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QUESTION 21

What is the purpose of the SASFILE statement?

A. It requests that SAS data set be opened and loaded into SAS memory one page at a time
B. It requests that a SAS data set the opened and loaded into SAS memory one variable at a time
C. It requests that a SAS data set be opened and loaded into SAS memory one observation at a time
D. It requests that a SAS data set be opened and loaded into SAS memory in its entirety
Correct Answer: D
Explanation
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QUESTION 22

Given the SAS date sets CLASS1 and CLASS2
CLASS1 CLASS2
NAME COURSE NAME COURSE
Lauren MATH1 Smith MATH2
Patel MATH1 Farmer MATH2
Chang MATH1 Patel MATH2
Chang MATH3 Hiller MATH2
The following SAS program is submitted:
Proc sql;
Select name from CLASS1
<insert SQL set operator here>
select name from CLASS;
quit;
The following output is desired
NAME
Chang
Chang
Lauren
Which SQL set operator completes the program and generates the desired output?

A. UNION ALL
B. EXCEPT ALL
C. INTERSECT ALL
D. OUTER UNION ALL
Correct Answer: B
Explanation
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QUESTION 23

The following SAS program is submitted:
data new (bufnp=4);
set old(bufno=4);
run;
Why are the BUFNO options used?

A. To reduce the number I/O operations
B. To reduce network traffic
C. To reduce memory usage
D. To reduce the amount of data read
Correct Answer: A
Explanation
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QUESTION 24

The following SAS program is submitted:
options reuse=YES;
data sasuser RealEstate(compress=CHAR);
set sasuser houses;
run;
What is the effect of the REUSE=YES SAS system option?

A. It tracks and recycles free space
B. It allows a permanently stored SAS data set to be replaced
C. It allows users to access the same SAS data set concurrently
D. It allows updates in place
Correct Answer: A
Explanation
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QUESTION 25

The SAS data set ONE contains fifty million observations and contains the variable PRICE, QUANTITY,
FIXED and VARIABLE. Which SAS program successfully creates three new variables TOTREV,
TOTCOST and PROFIT and requires the least amount of CPU resources to be processed?

A. data two;Set one;Where
totrev>1000;Totrev=sum(price*quantity);Totcost=sum(fixed,variable);Profit=sum(totrev,-totcost);Run;
B. data two;Set one;totrev=sum(price*quantity);where
totrev>1000;totcost=sum(fixed,variable);profit=sum(totrev,-totcost);run;
C. data two;Set one;Totrev=sum(price*quantity);If
totrev>1000;Totcost=sum(fixed,variable);Profit=sum(totrev,-totcost);Run;
D. data two;Set one;Totrev = sum(price*quantity);Totcost= sum(fixed,variable);If totrev>1000;Profit=sum
(totrev,-totcost);Run;
Correct Answer: C
Explanation
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QUESTION 26

The following SAS program is submitted:
data temp;
set sasuser.history(kep=date);
format date qtr
<insert BY statement here>
if first.date then total=0;
total+1;
if last.date;
run;
proc print data=temp;
run
SASUSER.HISTORY is sorted by the SAS date variable DATE.
The following output is required:
Date Total
1 13
3 15
4 25
Which By statement completes the data step and successfully generates the required output?

A. by groupformat date;
B. by formateed date;
C. by notsorted date;
D. by date qtr
Correct Answer: A
Explanation
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QUESTION 27

Which statement(s) in the DATASETS procedure alter(s) the name of a SAS data set stored in a SAS data
library?

A. MODIFY and CHANGE statements
B. RENAME statement only
C. CHANGE statement only
D. MODIFY and RENAME statements
Correct Answer: C
Explanation
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