Virtual Storage Access Method (VSAM)

Choose the correct answer:

1) Which VSAM clusters support only fixed length records? (b)

a) LDS

b) RRDS

c) ESDS

d) KSDS

2) FREESPACE can be specified for which type of cluster? (d)

a) LDS

b) RRDS

c) ESDS

d) KSDS

3) In which cluster type are records added at the end of the data set? (c)

a) LDS

b) RRDS

c) ESDS

d) KSDS

4) The types of processing supported by RRDS are (e)

a) sequential

b) skip-sequential

c) direct

d) a and b

e) a, b and c

5) The types of processing supported by ESDS are (d)

a) sequential

b) skip-sequential

c) direct

d) a and b

e) a and c

6) Spanned records can be found in (d)

a) ESDS

b) KSDS

c) RRDS

d) a or b

e) a or c

7) Spanned records can be accessed in (a)

a) MOVE

b) LOCATE

c) a and b

d) None

8) Alternate Index is a special type of (a)

a) KSDS

b) ESDS

c) RRDS

d) None

9) Specifying CISZ(4096) at the cluster level for a KSDS results in (c)

a) VSAM ignoring the specification

b) Data and index CISZ 4k each

c) Data CISZ 4k; index CISZ selected by VSAM

d) Index CISZ 4K; data CISZ selected by VSAM

10) When defining a KSDS, which of the following parameters is not required? (b)

a) Space allocation (either CYL, REC or TRK)

b) VOLUMES

c) KEYS

d) NAME

11) Default RECORD SIZE for a NONSPANNED data set is (d)

a) (80 80)

b) (4086 32600)

c) (100 32600)

d) (4089 4089)

12) If the key of a KSDS record begins in the second field (first field is 25 bytes long), the offset in the

KEYS parameter is (a)

a) 24

b) 25

c) 26

d) None

13) Data organization in KSDS is (a)

a) INDEXED

b) NUMBERED

c) LINEAR

d) NONINDEXED

14) The default cluster type is (d)

a) ESDS

b) RRDS

c) LDS

d) KSDS

15) VOLUMES parameter can be specified at (c)

a) cluster level

b) data level and index level

c) All the above

d) None

16) The RECORDSIZE parameter cannot be coded for (c)

a) ESDS

b) RRDS

c) LDS

d) KSDS

17) The default PRINT format is (b)

a) Character

b) Dump

c) Hexadecimal

d) None

18) Which of the following REPRO selection parameters can be specified for an LDS? (e)

a) FROMKEY

b) FROMADDRESS

c) FROMNUMBER

d) SKIP

e) None

19) The REPLACE parameter causes (c)

a) KSDS records to be replaced by an input record with the same key

b) ESDS records to be replaced by an input record with the same RBA

c) RRDS records to be replaced by an input record with the same RRN

d) a and c

e) All the above

20) Which of the following is not a modal command? (e)

a) IF

b) THEN

c) ELSE

d) DO

e) GOTO

21) Using REPRO to reorganize a KSDS, which of the following is true? (e)

a) Input must be ascending key sequence.

b) No duplicate keys are allowed.

c) Non-unique keys are allowed.

d) a and c

e) a and b

22) Which of the following entry names are valid for ALTER FREESPACE? (b)

a) Cluster name

b) Data component name

c) Index component name

d) b and c

e) a, b and c

23) Which of the following is a correct generic name specification for TEST.USER.DATA.A? (a)

a) TEST.USER.*

b) TEST.*.*.A

c) *.USER.DATA.A

d) TEST.USER.*.A

24) To alter a cluster to an LDS, the cluster must (e)

a) be an ESDS

b) be NONSPANNED

c) have a CISZ of 4K

d) not have an alternate index associated with it

e) all the above

25) For which access mode below must the application program interpret RDFs? (b)

a) KEY

b) ADR

c) ADR(for a KSDS)

d) CNV

e) None