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IBM Mock Exam: 2 Information Modeling questions

Kevin Thompson
Ranch Hand

Joined: May 04, 2001
Posts: 237
I have seen previous posts commenting on these 2 questions - but I don't see a concensus on what the answers are?
QUESTION 13:
Processing instructions can be used for all of the following EXCEPT:
a) a method for passing the name of a stylesheet.
b) Use ID and IDREF attributes to represent bi-directional relationships.
c) Copy the data in a relationship into the element for the row containing the foreign key.
d) Copy the data in a relationship into the element for the row containing the primary key.
MY ANSWER:
a) and b)
QUESTION 18:
A developer needs to convert records from a relational database into XML. Each row in a table is represented as an element in the document. How can the developer represent relationships in the database?
a) Use ID and IDREF attributes to represent unidirectional relationships.
b) Use ID and IDREF attributes to represent bi-directional relationships.
c) Copy the data in a relationship into the element for the row containing the foreign key.
d) Copy the data in a relationship into the element for the row containing the primary key.
MY ANSWER:
a) and d)
Do other people agree with this?
thanks!
Kevin Thompson
[ October 10, 2002: Message edited by: Kevin Thompson ]
Svetlana Petrova
Ranch Hand

Joined: Sep 26, 2002
Posts: 50
Kevin,
You're absolutely right about answers to #18. They're A and D.
And I have to repeat that though this doesn't make any sense, but correct answers to #13 are A and D as well. This question is a complete mess in terms how it's formed, or better to say, in terms of how irrelevnat answers are. I figured correct answers while experimenting with different combinations of answers, when I already had 43 correct out of 44. So it turned out to be A and D.
Good luck,
Svetlana.
Vasan
Greenhorn

Joined: Sep 08, 2002
Posts: 11
Svetlana,
the #13 states that "Processing instructions can be used for all of the following EXCEPT:"
except is the keyword here....we can pass the name to a PI (xsl syntax) so my choice goes for b,c
Vasan
Jayadev Pulaparty
Ranch Hand

Joined: Mar 25, 2002
Posts: 662
Vasan,
Please justify how the option "d" can be used as PI ---
d) Copy the data in a relationship into the element for the row containing the primary key.
Thanks.
Himal Chuli
Ranch Hand

Joined: Aug 06, 2002
Posts: 118
could anyone explain me how PI is related with options b, c and d in the following question. I am sure that PI is used for option a.
QUESTION 13:
Processing instructions can be used for all of the following EXCEPT:
a) a method for passing the name of a stylesheet.
b) Use ID and IDREF attributes to represent bi-directional relationships.
c) Copy the data in a relationship into the element for the row containing the foreign key.
d) Copy the data in a relationship into the element for the row containing the primary key.
himal


Himal
ZEESHAN AZIZ
Ranch Hand

Joined: Jan 15, 2001
Posts: 162
Well, I am still waiting for someone to clearly explain the logic behind Q 13.
Jayadev Pulaparty
Ranch Hand

Joined: Mar 25, 2002
Posts: 662
The TRULY correct answer for 13) would be "a" (unless someone comes forward and justifies the validity of "d"). If they mention two of them to be correct, then mark "d" also. That's it
Lakshmi Kishore
Ranch Hand

Joined: Aug 04, 2001
Posts: 51
hi,
For the question choices are messed up. they belong to question #18.
here is the correct Question and options.
Processing instructions can be used for all of the following EXCEPT:


a) a method for passing the name of a stylesheet.

b) a method of extending documents without altering DTD validation.

c) a mechanism for extending schemas that cannot otherwise be modified.

d) a mechanism for indicating hierarchical levels of structure.

e) a hook for scripts or server-side includes.
i am still on the way to find the answer.


Thanks & Regards<br />glkishore
Roseanne Zhang
Ranch Hand

Joined: Nov 14, 2000
Posts: 1953
This is a much better version!!! Thanks!
My answer would be d). Not 100% sure.
 
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subject: IBM Mock Exam: 2 Information Modeling questions