Related Questions

The DoD model (also called the TCP/IP stack) has four layers. Which layer of the DoD model is equivalent to the Network layer of the OSI model?
A Application
B Host to Host
C Internet
D Network Access
To represent a family budget on a circle graph, how many degrees of the circle should be used to represent an item that is 20% of the total budget?
A 60 degree
B 62 degree
C 70 degree
D 72 degree
A train leaves a station A at 7 am and reaches another station B at 11 am. Another train leas B at 8 am and reaches A at 11:30 am. The two trains cross one another at
A 8:36 am
B 8:56am
C 9.00 am
D 9:24 am
stand next to the lamppost and face west ,walk 20 yards and then turn 90 degrees clockwise. Walk another 10 yards and then turn 45 degrees anticlockwise. Walk another 15 yards, reverse you direction and walk 5 yards back. Turn 135 degrees clockwise and walk another 10 yards . In which direction are you now facing?
A West
B East
C South
D North
As compared to cumulative average-time learning model, learning model which predicts more cumulative total time to produce more units is known as
A incremental unit time learning model
B incremental price learning model
C incremental unit average model
D incremental cost learning model
When the values in one or more attributes being used as a foreign key must exist in another set of one or more attributes in another table, we have created a(n):
A Transitive Dependency
B Insertion Anomaly
C Referential Integrity Constraint
D Normal Form
When storage space is scarce and physical records cannot span pages, creating multiple physical records from one logical relation will minimize wasted storage space.
A True
B False
They fought with one another Here one another is ?
A personal pronoun
B Relative pronoun
C Indefinite pronoun
D Reciprocal pronoun
During logical database design, the conceptual data model is transformed into a logical data model which describes the data in terms of a specific data management technology.
A True
B False
h = 3a + 28.6 A pediatrician uses the model above to estimate the height h of a boy, in inches, in terms of the boy’s age a, in years, between the ages of 2 and 5. Based on the model, what is the estimated increase, in inches, of a boy’s height each year?
A 7.5
B 10
C 3
D 5

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