SASInstitute A00-281 問題集

質問 1：
The following SAS program is submitted:

If the value for the variable Subjcode is "WGT2", what is the value of the variable Description?
A. Over
B. Wgt2
C. missing character value
D. Unknown
正解：D

質問 2：
A subject reports a medication started in March of 2007 but cannot recall the day number. What is the value stored in the SDTM domain CM.CMSTDTC variable?
A. 00MAR2007
B. 2007-03
C. 2007 03
D. MAR2007
正解：B

質問 3：
Given the following data set DEMOG:

Which selection below would be considered hard-coding?
A. if sexcd eq 1 then sex = "Male" ; else if sexcd eq 2 then sex = "Female" ;
B. if site eq 1 and sexcd ne 2 then check = 1 ; else if site eq 2 and sexcd ne 1 then check = 2 ;
C. birthdt = input(dob, mmddyy10.) ;
D. if site eq 1 then sexcd = 2 ; else if site eq 2 then sexcd = 1 ;
正解：D

質問 4：
The following SAS program is submitted, but fails due to syntax errors.

What is the cause of the syntax errors?
A. An array can only be referenced in a KEEP statement and not within a keep= data set option.
B. An array cannot be referenced on a keep= data set option.
C. The keep= data set option should be (keep=MonthExp).
D. The keep= data set option should be (keep=MonthExp*).
正解：B

質問 5：
The data set CM has eight variables including CMTRT and is sorted by STUDYID USUBJID CMSEQ.
DATA_BB is created by selecting records from CM where the character string "BLOCKER" is included in CMTRT.

Which program was used to produce WORK.DATA_BB?
A. proc sort data=CM (keep=usubjid cmstdtc cmtrt) out=data_bb;
by usubjid CMSTDTC;
where cmtrt contains 'BLOCKER';
run;
B. proc sort data=cm out=data_bb (keep=usubjid cmstdtc cmtrt);
by usubjid CMSTDTC;
where cmtrt in('BLOCKER');
run;
C. data data_bb;
set cm (where=(find(cmtrt,'BLOCKER','i')>0));
by usubjid CMSTDTC;
run;
D. data data_bb;
set cm (keep=usubjid cmstdtc cmtrt);
by usubjid CMSTDTC;
where cmtrt in('BLOCKER');
run;
正解：A

質問 6：
This question will ask you to provide a line of missing code.

Which statement must be added to the following program to create a page break in the report after each RACE grouping?

A. break after race;
B. break page / race;
C. break race / page;
D. break after race / page;
正解：D