some more questions

HI Guys,
Good to be a part of Xml group here. I have some questions which i wanna ask u guys so that i can gain some knowledge from great XMl techies in here.
1) why should we write a customer parser for XML application.
a) validation of the XML input documents is unnecessary
b) performence is critical
c) the parser must be embedded in pre-XML legacy applications.
a,b,c ( i think all are correct)
2) when SAX parser is most useful :
acccording to me when serial processing of XML Docs is sufficient.
3) structural building blocks in docs should be
a) created at lowest level of granularity.
b) created with deep heirarchy to facilitate document navigation
c) identified at level they can be managed and used
d) identified based on the way they will appear on the website
c is the best i think
4) most imp factor influencing the performence of style sheet specification
a) length of XSLT stylesheet file
b) the number of text matching a content matchings specs
c) no. of elements in DTD
d) speed of XML parsing for XSLT style sheet
b is the best
5) point of XML data integration is
a) convert XML data from databse to o/p device such as a web browser
b) transform bw XML data messages
c) convert legacy data into an XML Syntax
d) All of above
is it d?
thanks
Maddy

Maddy,
Welcome to JavaRanch.
Just a gentle reminder that your name Maddy does not comply with the JavaRanch naming policy. We require names to have at least two words, separated by a space, and strongly recommend that you use your full real name. Please spare a moment and re-register with a name that meets the requirements.
Thanks!