3i Infotech Papers: Sample Questions 831 - 833 of 1245

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Question number: 831

» Basic CS » Networks

Short Answer Question▾

Write in Short

Difference between bit rate and baud rate.

Explanation

Difference between bit rate and baud rate.

Difference between bit rate and baud rate.

Bit rate

Baud rate

Number of bits transmitted during one second.

Number of signal required to represent bits.

Determines the number of bits travelled per second

Determines number of times the state of a signal is changing.

Used for emphasising computer efficiency.

Used for emphasizing data transmission over the channel.

Bit rate baud rates the number of bits per signal unit.

Baud rate bit rate the number of bits per signal unit.

Question number: 832

» Database » Oracle

MCQ▾

Question

Can we use GO_BLOCK package in a PRE_TEXT_ITEM trigger?

Choices

Choice (4) Response

a.

Yes

b.

No

c.

None of the above

d.

Question does not provide sufficient data or is vague

Answer

b.

Explanation

  • No, we cannot use GO_BLOCK package in a PRE_TEXT_ITEM trigger.

  • PRE_TEXT_ITEM is fired before entering into text item.

  • It is a navigational trigger

  • It perform an action before oracle form navigates to a text item from the record level.

  • GO_BLOCK or GO_ITEM would take us to another item and cannot be used here.

Question number: 833

» Database » Oracle

MCQ▾

Question

Size of Tablespace can be increased by …

Choices

Choice (4) Response

a.

Cannot be increased

b.

Adding one or more Datafiles

c.

Increasing the size of one of the Datafiles

d.

None of the above

Answer

b.

Explanation

  • Size of tablespace can be increased by adding one or more datafiles.

  • The max datafile size is 32gb for a tablespace defined with an 8K block size and 64gb for a tablespace.

  • It is defined with a 16K block size.

  • If our tablespace is larger than these max file sizes, we will need multiple datafiles.