ETEA

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#127 What is the maximum size of text field data type?

A)   253
B)   254
C)   255
D)   256
Answer:   C

#128 ___________ key is a unique key field in a table.

A)   Secondary
B)   Foreign
C)   composite
D)   primary
Answer:   D

#129 Which of the key is used to create one-to-many relationship between tables?

A)   Secondary
B)   Foreign
C)   composite
D)   primary
Answer:   D

#130 __________ is used to display data in an organized manner so that users can print it .

A)   Table
B)   Form
C)   Query
D)   Report
Answer:   D

#131 which layer of OSI model decided which physical path-way the data should take to reach the destination ?

A)   Transport layer
B)   presentation layer
C)   network layer
D)   session layer
Answer:   D

#132 ____________ is a window that displays data for viewing entering and editing information.

A)   Table
B)   Form
C)   Query
D)   Report
Answer:   B

#133 ________ memory holds data and programs not currently in use and provides long-term storage.

A)   primary
B)   secondary
C)   main
D)   internal
Answer:   B

#134 In which type of transmission data is transmitted one byte at a time.

A)   Simplex
B)   synchronous
C)   Asynchronous
D)   Duplex
Answer:   C

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