SAS Clinical Trials Programming (A00-280) Certification Exam Sample Questions

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SAS A00-280 Sample Questions:

01. What is the main focus of Good Clinical Practices (GCP)?
a) harmonized data collection
b) standard analysis practices
c) protection of subjects
d) standard monitoring practices
 
02. The following SAS program is submitted:
proc sort data=SASUSER.VISIT out=PSORT; 
by code descending date cost;
run;
Which statement is true regarding the submitted program?
a) The descending option applies to the variable CODE.
b) The variable CODE is sorted by ascending order.
c) The PSORT data set is stored in the SASUSER library.
d) The descending option applies to the DATE and COST variables.
 
03. Which statement correctly adds a label to the data set?
a) DATA two Label="Subjects having duplicate observations";
set one;
run;
b) DATA two;
Label="Subjects having duplicate observations";
set one;
run;
c) DATA two;
set one;
Label dataset="Subjects having duplicate observations";
run;
d) DATA two(Label="Subjects having duplicate observations") ;
set one;
run;
 
04. This question will ask you to provide a line of missing code. The following SAS program is submitted:
Which statement is required to produce this output?
a) TABLES site*group /nocol;
b) TABLES site*group /norow;
c) TABLES site*group;
d) TABLES site*group /nocol norow;
 
05. Given the following data at WORK DEMO:
Which SAS program prints only the first 5 males in this order from the data set?
a) proc sort data=WORK.DEMO out=out;
by sex;
run;
proc print data= out (obs=5);
run;
b) proc print data=WORK.DEMO(obs=5);
where Sex='M';
run;
c) proc print data=WORK.DEMO(where=(sex='M'));
where obs<=5;
run;
d) proc sort data=WORK.DEMO out=out;
by sex descending;
run;
proc print data= out (obs=5) ;
run;
 
06. The following output is displayed:
Which SAS program created this output?
a) proc freq data=WORK.TESTDATA;
tables gender * answer / nocol norow nopercent;
run;
b) proc freq data=WORK.TESTDATA;
tables answer * gender / nocol norow nopercent;
run;
c) proc freq data=WORK.TESTDATA;
tables gender * answer / nocol norow nopercent missing;
run;
d) proc freq data=WORK.TESTDATA;
tables answer * gender / nocol norow nopercent missing;
run;
 
07. Which option in the PROC EXPORT procedure overwrites an existing file?
a) NEW
b) OVERWRITE
c) REPLACE
d) KEEP
 
08. Vital Signs are a component of which SDTM class?
a) Findings
b) Interventions
c) Events
d) Special Purpose
 
09. Given the following data set:
Which program was used to prepare the data for this PROC PRINT output?
a) proc sort data=one out=two;
by subjid;
run;
b) proc sort data=one out=two nodupkey;
by subjid;
run;
c) proc sort data=one out=two nodup;
by subjid;
run;
d) proc sort data=one out=two nodupkey;
by subjid trt;
run;
 
10. This question will ask you to provide a line of missing code. Given the data set WORK.STUDYDATA with the following variable list:
#    Variable    Type    Len    Label
2    DAY           Char      8     Study Day
3    DIABP       Num      8     Diastolic Blood Pressure
1    TRT           Char      8     Treatment
The following SAS program is submitted:
proc means data=WORK.STUDYDATA noprint;
<insert code here>
class TRT DAY;
var DIABP;
output out=WORK.DIAOUT mean=meandp;
run;
WORK.DIAOUT should contain:
- the mean diastolic blood pressure values for every day by treatment group
- the overall mean diastolic blood pressure for each treatment group
Which statement correctly completes the program to meet these requirements?
a) id trt day;
b) by trt day;
c) where trt or trt*day;
d) types trt trt*day;

Answers:

Question: 1 Answer: c Question: 2 Answer: b
Question: 3 Answer: d Question: 4 Answer: a
Question: 5 Answer: b Question: 6 Answer: a
Question: 7 Answer: c Question: 8 Answer: a
Question: 9 Answer: b Question: 10 Answer: d

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