UNIX BASIC COMMANDS

UNIX QNS…

1)     What is diff b/w unix and windows…?

ANS:

2)     What is shell and types of shell..?

3)     How many commands do you aware of unix..?

4)     Explain below..

A)   Cp : to copy  the file

B)   Mv: to move the file from one directory to another directory: and it rename the file

C)   Rm: to remove file

D)   Mkdir:  to create a directory

E)    Rmdir : it removes the directory

F)    Rm-r : it removes file forefully

G)  Ls-ltr: it displays all files in present directory

H)   Wc-l: line count of file :

I)      Wc-c : character count of file

J)      Grep : to search a word in a file

K)   Types of grep

L)    Cat:  $cat filename it display the file information

M) Touch : it creates empty file in unix

N)   Pwd : it gives password of unix

O)  Cd . . : to go one directory before from current directory

P)    Head : it gives first records, (head -1 filename)

Q)  Tail : it gives last records, (tail -1 file name)

R)   Tee         ( tee command is used to store and view (both at the same time) the output of any other command : $ls >file( writes the ouput only to the file and not to the screen) ( ls| tee file)

5)     As an etl tester when do you login to unix…?

6)     How to run job in unix..?

ETL Qns….

1)     If source is file and target is a table how do you validate the data..?

2)     Source is oracle target is teradata how do you validate transmission logic..?

3)     What are all validation you do ….?

4)     What ETL validations you perform to ensure the data has been populated source to target…?

5)     What is data migration testing…?

6)     What is data report testing…?

7)     How do you validate transmission logic…?

8)     How do you validate count from source to target..?

9)     What is diff b/w primary key and composite primary key and natural key..?

10)                        Explain below validations..

A)   Default check

B)   Derived check

C)   Direct move check

D)   Error logic check

E)    Null value check

F)    Duplicate value check

G)  Primary key check

H)   Unique key check

I)      Minus check

11)  how do you perform data migration testing ..?

12)  how do you perform batch job testing..?

13)  how do you perform report testing..?

14) what is Extraction , transformation  and loading…?

General testing qns…

1.     What is test strategy and what is test plan…?

2.      What is SDLC …..?

3.     What is STLC…?

4.     What is test scope…?

5.     What is test scenario…?

6.     What is RTM…?

7.     Who is the author of RIM…? Test strategy…? Test plan….? Test scenario…? Test case…?

8.     What is defect life cycle…?

9.     What is V-Model…?

10   What is diff b/w water fall model and Agile Methodologies..?

11   What is scrum model..?

12   What is call tree…?

13   How many verticals exist in your project…?

14    What is Module…?

15    What is subject area…?

16   What is application..?

17   Diff b/w seviority and priority…?

18    Diff b/w re-testing and regression testing…?

19    Explain below…

A)   Unit testing

B)   Module testing

C)   Application testing

D)   System integration testing

E)    Uset acceptance testing

F)    What is Production support

G)  Diff b/w HLD And LLD

20   Explain below

A)   SME : Subject mater expert

B)   DA :

C)   DBA: database administrator

D)   TL : team lead of test lead

E)    PM : project manager

F)    DM : delivery manager

G)  ML : Module lead

H)   SSE : senior software engineer

21   diff b/w walk through and peer review..?

22    Explain below..

A)   What is interface :

B)   What is stub

C)   Black box testing

D)   White box testing

E)    Gray box testing

F)    Sprint

G)  User story

H)   Scrum board