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zain nasar thanks for sharing
kio cs614 ka 25 feb ka ppr he share kr do
cs614 paper 25/2/2017
Mostly MCQS were from past papers..
Some subjective Questions that i remember,
List down any 2 parallel hardware architecture? (2)
Symmetric Multi Processing (SMP)
Distributed Memory or Massively Parallel Processing (MPP) Non-uniform Memory Access (NUMA)
list down any four ways to identify the session in World Wide Web? (2)
1. Using Time-contiguous Log Entries
2. Using Transient Cookies
3. Using HTTP's secure sockets layer (SSL)
4. Using session ID Ping-pong
5. Using Persistent Cooki
What is Web Data Warehouse? (2)
Web Warehousing can be used to mine the huge web content for searching information of interest.
It’s like searching the golden needle from the haystack. Second reason of Web warehousing is to
analyze the huge web traffic. This can be of interest to Web Site owners, for e-commerce, for eadvertisement and so on. Last but not least reason of Web warehousing is to archive the huge web
content because of its dynamic nature.
How time contiguous log entries and HTTP secure socket layer are used for user session
identification? What are the limitations of these techniques? (3)
A session can be consolidated by collecting time-contiguous log entries from the same host
(Internet Protocol, or IP, address). In many cases, the individual hits comprising a session can be
consolidated by collating time-contiguous log entries from the same host (Internet Protocol, or IP,
address). If the log contains a number of entries with the same host ID in a short period of time
(for example, one hour), one can reasonably assume that the entries are for the same session.
• This method breaks down for visitors from large ISPs because different visitors may
reuse dynamically assigned IP addresses over a brief time period.
• Different IP addresses may be used within the same session for the same visitor.
• This approach also presents problems when dealing with browsers that are behind some
Nested loop efficient way of accessing the inner table? (3)
Typically used in OLTP environment.
Limited application for DSS and VLDB
In DSS environment we deal with VLDB and large sets of data. Traditionally Nested-Loop join
has been and is used in OLTP environments, but for many reasons, such a join mechanism is not
suitable for VLDB and DSS environments. Nested loop joins are useful when small subsets of
data are joined and if the join condition is an efficient way to access inner table
Two tables were given one was employee table and other exception table with attribute
IsAgeValid. Sql query was required to find the outliers not having age between 26 and 75
and set the dirtyBit in exception table to 0?5 marks
Select * From (Select * From Employee Where DirtyBit= 0)IsAgeValid Where (Age <26 And
Why students allowed by company to visit company data warehouse? (5)
Bki yad nahii
i suggest you to prepare these file
mine 80% paper come from these files
Remember me in your pray
Best Of Luck
all mcq,s from past papers zain nasir and mooaz files
2=special indexing technique names
2= why water fall model is used .
2=ssl stand for
2=why analytic track is called fun part kuch ise thra tha statment yad nhe sahe
3=dense index sparse index
3=complete data warehouse deliverables
3=2 statment the btna ka k y kis topic me hen
1= measure of correctness of your model answe =accuacy
2= abality to the technique work accurtly even in conditions of noisy or dirty data answer=Robustness:
5= presedence constraint wala tha on success on failuer wala
5= table dia tha accurasy find krne the and gender se related kuch column ko set krna tha
5=name of three automatic data cleasing technique other than clustring.
areeba ***mcs*** thanks for sharing
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areeba kon c files me sy ziyada ppr aya pls share file
Areeba agar app ka classified website project hai. To reply karee.