2014年2月15日星期六

Certification SASInstitute de téléchargement gratuit pratique d'examen A00-280, questions et réponses

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Code d'Examen: A00-280
Nom d'Examen: SASInstitute (SAS Certified Clinical Trials Programmer Using SAS 9)
Questions et réponses: 99 Q&As

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NO.1 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;D. TABLES site*group /nocol norow;
Answer: A

SASInstitute   A00-280 examen   A00-280   A00-280

NO.2 Review the following procedure format:
What is the required type of data for the variable in this procedure?
A. Character
B. Continuous
C. Categorical
D. Treatment
Answer: B

SASInstitute   A00-280   certification A00-280

NO.3 Which SAS program will apply the data set label 'Demographics' to the data set named DEMO.?
A. data demo (label='Demographics')
;
set demo;
run;
B. data demo;
set demo (label='Demographics')
;
run;
C. data demo (label 'Demographics')
;
set demo;
run;
D. data demo;
set demo;
label demo= 'Demographics'
;
run;
Answer: A

SASInstitute   A00-280 examen   A00-280 examen   A00-280

NO.4 What information can be found in the SAS Dictionary tables? (Choose two.)
A. datasets contained within a specified library
B. values contained within a specified format
C. variables contained within a specified dataset
D. values contained within a specified variable
Answer: A,C

SASInstitute examen   A00-280   A00-280   A00-280 examen

NO.5 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.
Answer: B

SASInstitute examen   A00-280   A00-280 examen   A00-280

NO.6 Given the following data set:
Which SAS program produced this output?
A. proc sort data=one(where=(age>50)) out=two;
by subjid;
run;
B. proc sort data=one(if=(age>50)) out=two;
by subjid;
run;
C. proc sort data=one out=two;
where=(age>50)
;
by subjid;
run;
D. proc sort data=one out=two;
if age>50;
by subjid;
run;
Answer: A

SASInstitute   A00-280 examen   certification A00-280

NO.7 You want 90% confidence limits for a binomial proportion from a one-way table with PROC FREQ.
Which option must you add to the TABLES statement?
A. BINOMIAL
B. BINOMIAL ALPHA=0.9
C. BINOMIAL ALPHA=90
D. BINOMIAL ALPHA=0.1
Answer: D

certification SASInstitute   A00-280   A00-280   A00-280   A00-280

NO.8 CORRECT TEXT
The following question will ask you to provide a line of missing code.
The following program is submitted to output observations from data set ONE that have more than one
record per patient.
In the space below, enter the line of code that will correctly complete the program (Case is
ignored. Do not add leading or trailing spaces to your answer.).
Answer: BYSUBJID;BYSUBJID;

NO.9 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;
Answer: D

SASInstitute examen   A00-280 examen   A00-280

NO.10 The following SAS program is submitted:
You want to store all calculated means and standard deviations in one SAS data set.
Which statement must be added to the program?
A. output mean std;
B. ods output mean=m1 m2 std=s1 s2;
C. output out=WORK.RESULTS mean=m1 m2 std=s1 s2;
D. ods output out=WORK.RESULTS mean=m1 m2 std=s1 s2;
Answer: C

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NO.11 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;
Answer: B

certification SASInstitute   A00-280 examen   A00-280 examen

NO.12 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;
Answer: A

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NO.13 Given the data set WORK.BP with the following variable list:
Which output will be created by the program?
A. Option A
B. Option B
C. Option C
D. Option D
Answer: D

SASInstitute examen   A00-280   A00-280

NO.14 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;
Answer: B

SASInstitute   certification A00-280   A00-280   certification A00-280

NO.15 Which program will report all created output objects in the log?
A. proc ttest data=WORK.DATA1 ods=trace;
class TREAT;
var RESULTS;
run;
B. ods trace on;
proc ttest data=WORK.DATA1;
class TREAT;
var RESULTS;
run;
C. ods trace=log;
proc ttest data=WORK.DATA1;
class TREAT;
var RESULTS;
run;
D. ods trace log;
proc ttest data=WORK.DATA1;
class TREAT;
var RESULTS;
run;
Answer: B

certification SASInstitute   A00-280   A00-280   certification A00-280

Le test de Certification SASInstitute A00-280 devient de plus en plus chaud dans l'Industrie IT. En fait, ce test demande beaucoup de travaux pour passer. Généralement, les gens doivent travailler très dur pour réussir.

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