CS601 Quiz.4 File 6

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

86
sec(s)

Question # 1 of 10 ( Start time: 04:11:36 PM )

Total Marks: 1

____ Technique requires more redundancy bits.

Select correct option:

	Error detection
	Error correction
	Both of the given
	None of the given

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

87
sec(s)

Question # 2 of 10 ( Start time: 04:12:12 PM )

Total Marks: 1

______________ is caused by random motion of electrons in a wire that creates extra signals which are not originally sent by sender.

Select correct option:

	Thermal Noise
	Induced noise
	Crosstalk
	Impulse noise

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

37
sec(s)

Question # 3 of 10 ( Start time: 04:13:14 PM )

Total Marks: 1

The PDU has no flag fields, no CRC, and no station address

Select correct option:

	True
	False

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

88
sec(s)

Question # 4 of 10 ( Start time: 04:14:16 PM )

Total Marks: 1

Information field contains the user data in __________ and network management information in a __________.

Select correct option:

	S- Frame, U- Frame
	U- Frame, I- Frame
	I-Frame, U-Frame
	S-frame, U-Frame

Single-bit

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

14
sec(s)

Question # 5 of 10 ( Start time: 04:14:40 PM )

Total Marks: 1

If the ASCII character H is sent and the character I is received, what type of error is this?

Select correct option:

	Single-bit
	Multiple-bit
	Burst
	Recoverable

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

88
sec(s)

Question # 6 of 10 ( Start time: 04:16:04 PM )

Total Marks: 1

Cable that connects the subscriber telephone to the nearest end office in a local loop is called

Select correct option:

	Twisted-pair cable
	Coaxial cable
	Fiber-optic cable
	Subscriber cable

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

86
sec(s)

Question # 7 of 10 ( Start time: 04:17:13 PM )

Total Marks: 1

Which of the following techniques takes data from one high speed line and breaks it into portions?

Select correct option:

	Inverse subtraction
	Inverse addition
	Multiplexing
	Inverse multiplexing

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

88
sec(s)

Question # 8 of 10 ( Start time: 04:18:21 PM )

Total Marks: 1

__________ means that the signal changes its form or shape.

Select correct option:

	Noise
	Attenuation
	Alteration
	Distortion

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

87
sec(s)

Question # 9 of 10 ( Start time: 04:19:03 PM )

Total Marks: 1

What is present in all HDLC control fields?

Select correct option:

	P/F bit
	N(R)
	N(S)
	Code bits

BC120401002 : Saif Ur Rehman

Quiz Start Time: 04:11 PM

Time Left

87
sec(s)

Question # 10 of 10 ( Start time: 04:19:17 PM )

Total Marks: 1

Line discipline is done in ____ways

Select correct option:

	3
	2
	1
	4

CS614 Quiz No.4 Shared by Princess (solved), Spring 2014

“What means What”. The phrase refers to: Select correct option: Meta data External data Transformed data Internal representations Question # 2 of 10 Which of the following is NOT one of the activities of “Maintenance and Growth” phase in Kimball’s DWH development approach? Select correct option: Education Technical Education Program Support Interface Deployment Question # 3 of 10 Horizontally wide data means: Select correct option: Dataset has large no. of attributes Dataset has large no. of records Dataset has attribute skews Dataset has partitioning skews Question # 4 of 10 Which of the following is NOT one of the top-10 mistakes that should be avoided during DWH development? Select correct option: Not interacting directly with end ...

CS614 Quiz No.4 Shared by MT Khan (Solved)

Question # 1 of 10 ( Start time: 09:04:39 PM ) Total Marks: 1 A typical cycle of implementing the change in DWH comprises of the sequence: Select correct option: Production -> QA -> Development Development-> QA -> Production(CORRECT) Development -> Production -> QA Production -> Development -> QA Question # 2 of 10 ( Start time: 09:05:16 PM ) Total Marks: 1 Vertically wide data means: Select correct option: Dataset has large no. of attributes Dataset has large no. of records(CORRECT) Dataset has attribute skews Dataset has partitioning skews Question # 3 of 10 ( Start time: 09:05:43 PM ) Total Marks: 1 In ___________ phase of kimballs approach, we identify the components needed now and in future. Select correct option: Requirement definition Architectural design Product development Analytical application development Question # 4 of 10 ( Start time: 09:06:56 PM ) Total Marks: 1 Technical architecture design supports the communicat...

CS614 Quiz No.3 Shared by Students (Solved), Spring 2014

______ index stores first value in each block in the sequential file and a pointer to the block. Select correct option: Dense Sparse B-Tree Hash In context of data parallelism, the work done by query processor should be: Select correct option: Almost zero Maximum Pipelined Filtered across partitions The optimizer uses a hash join to join two tables if they are joined using an equijoin and Select correct option: Outer table has less number of rows Inner table has less number of rows Cardinality of tables is equal Large amount of data needs to be joined Bitmap index is appropriate for: Select correct option: Low cardinality data High cardinality data Clustered data Aggregated data If a task takes “T” time units to execute on a single data item, then execution of this task on “N” data items will take __...

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