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What is data modeling?
Data modeling is the basic step in the analysis modeling. In data modeling the data objects are explained independently of processing. The data model shows how data are related with one another.
State the strategies of Software testing Two testing strategies are present. i) Code Testing: Code testing strategy examines the logic of the system. In this, analyst deve
Write short note on black box testing. The black box testing is also known as behavioural testing. This method fully focuses on the functional needs of the software. Tests are
Modified ER diagram representing cardinalities When minimum cardinality of a relationship is one, then second entity is known as mandatory participant in the relationship. Ma
Question: (a) What mechanism does illegal spammers exploit to send spam? (b) What is a hoax? (c) Name two ways in which you can increase the privacy of e-mail. (d)
Document interchange standards Interchange standards permit electronic documents to be exchanged mailed, etc. Documents are produced using dissimilar systems and on differe
The sudden and finish failure of a computer system or component.
A measure of the severity and probability of undesired effects. Often taken as the easy product of probability and consequence.
Q. Explain Test archiving systems? Test archiving systems: the goal is to keep follow of series of tests ant to act as the basis for documenting that the tests have been done
What are the advantages of vertical partitioning? i. These are simple to maintain changes. ii. They decrease the change impact and error propagation.
QUESTION (a) Explain why making some replica managers read-only may improve the performance of a gossip system. (b) In the gossip architecture, why does a replica manager ne
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