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Asp.Net, CSharp, Company asked interview questions, RSystems »

[25 Jan 2010 | No Comment | 644 views]

Q. Can I inherit two difference classes to partial classes? Following is the whole scenario of this question:
I have two classes XYZ and ABC and two partial classes  of class myClass now is it possible:
partial class myClass : XYZ
{
}
partial class myClass : ABC
{
}
Ans:  This question I have asked in RSystems, Noida and I am sharing hereunder with you :
We can’t inherit two difference classes to partial class because in C# multiple inheritance is not possible using classes.
The main reason is in C# we cant do the following:
class myClass : XYZ, …

IBM, Mainframe »

[9 Aug 2009 | No Comment | 529 views]

SECTION 3
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 …

IBM, Mainframe »

[9 Aug 2009 | No Comment | 365 views]

SECTION 2
State whether True or False:
1.     All VSAM data sets reside on DASD devices.                                                                        (T)
2.     Whenever a record is retrieved from DASD, the entire CA containing it is read into VSAM buffer.                           (F)
3.     A LDS has no control information embedded in its CIs.                                                     (T)
4.     In an RRDS, the position of a data record can be changed.                                                               (F)
5.     Records from an ESDS can either be accessed sequentially or by RBA.                         (T)
6.     Deletions and updating of records is possible in ESDS.                                                        (F)
7.     Spanned records can only be used in ESDS or …

IBM, Mainframe »

[9 Aug 2009 | No Comment | 463 views]

SECTION 1
Fill in the blanks:
1.     A logical record is a unit of information used to store data in a VSAM data set.
2.     A CI is a unit of information that VSAM transfers between virtual storage and disk storage.
3.     The minimum size of a CI is 512 bytes.
4.     512 bytes is the minimum size of a CI.
5.     The maximum size of a CI is 32K.
6.     A CI consists of Logical Records, Free Space and Control Information.
7.     A Control Interval Definition Field (CIDF) is of 4 Bytes long.
8.     A Record Definition …

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