1) Since the original (raw) web page documents do not have any standard structure, it would make sense to store them in a (and) _______________ database system.

a.	NoSQL
	b.	RDBMS
	c.	MySQL
	d.	Access
	e.	SQL

2) To avoid charging advertisers for phony site traffic, Google considers the following:

a.	Time between clicks.
	b.	Clicks traffic from the same source or destination.
	c.	User's behavior on site.
	d.	All of the above.
	e.	None of the above.

3) When all business data exist in one place like in the ERP system, _________ problems can be avoided.

	a.	Data migration
	b.	Data parity
	c.	Data inconsistency
	d.	Data balance
	e.	Data decay

4) Advertisers can track the effectiveness (performance) of their ads using

a.	Google analytics
	b.	Ad bid
	c.	AdSense framework
	d.	AdWords framework
	e.	Google API