India: Science and Technology Test 31

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India: Science and Technology Test 31

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Weekly Quiz Competition

Question 1
1 / -0

Which one of the following descriptions is correct?

A
ADSL2 extends the capability of basic ADSL in data rates to 12 Mbit/s downstream.

B
DSL filter allows a single telephone connection to be used for both ADSL2 service and voice calls at the same time.

C
ADSL2 uses the same bandwidth as ADSL but achieves higher throughout via improved modulation techniques.

D
All the descriptions (a), (b) and (c) are correct about the Asymmetric Digital Subscriber Line 2 (ADSL2).
Question 2
1 / -0

Which one of the following descriptions is correct about the Asymmetric Digital Subscriber Line 2 plus (ADSL2+)?

A
ADSL2+ extends the capability of basic ADSL by doubling the number of downstream bits

B
ADSL2+ extends the capability of basic ADSL by doubling the number of upstream bits

C
DataOne and Triband services of BSNL and MTNL respectively use the ADSL2+ technology

D
Both the statements (a) and (c) are correct about the ADSL2+ technology
Question 3
1 / -0

Select the correct answer from the following:

A
In WiMAX, the operation beyond the maximum range of 50 km reduces the bitrate of the device

B
In WiMAX, the operation beyond the maximum range of 50 km increases the bitrate of the device

C
In WiMAX, reducing the range of operation to or less than 1 km allows a device to operate at higher bitrates

D
Both the statements a and c' are correct about the WiMAX operations
Question 4
1 / -0

Consider the following statements:
1. Wireless Local Loop is used in the supply of broadband Internet to telecommunications customers.
2. Roaming abilities are very high in the Wireless Local Loop as compare with cellular network.
Which of the statements given above is/are correct?

A
Only 1

B
Only 2

C
Both 1 and 2

D
Neither 1 nor 2
Question 5
1 / -0

Choose the correct answer from the following statements about the Digital Subscriber Line (DSL)?

A
DSL circuit provides signals in pure form of digital signals

B
DSL circuit does not need modem to modulate bits pattern signals to certain high-frequency impulses

C
DSL uses high-frequency sinusoidal carrier wave modulation which is the analog signal

D
Both the statements (a) and (b) are correct about the DSL
Question 6
1 / -0

Consider the following statements:
1. 5-Generation mobile telecommunication is approved and implemented by the International Telecommunication Union in 2012.
2. 5G mobile telecommunication system is originally launched on the CDMA standard.
Which of the statements given above is/are correct?

A
Only 1

B
Only 2

C
Both 1 and 2

D
Neither 1 nor 2
Question 7
1 / -0

Which one of the following electromagnetic spectrum ranges is mainly used to transmit WiMAX signal?

A
0.5 to 2 GHz

B
2 to 3.5 GHz

C
4 to 5.5 GHz

D
6 to 7.5 GHz
Question 8
1 / -0

The microwaves region of the electromagnetic spectrum is ranges from 0.5 GHz to 300 GHz, then which one of the following ranges is commonly used in the telecommunication sectors?

A
1 to 40 GHz

B
80 to 120 GHz

C
120 to 180 GHz

D
180 to 300 GHz
Question 9
1 / -0

Computer applications were classified by_____________.

A
J.C. Denyer

B
J. Shaw

C
R. Brealey

D
Both (A) and (B)
Question 10
1 / -0

Consider the following K-bands
1. K-band
2. Ka-band
3. Ku-band
Arrange the bands given above chronologically according to increase (from low to high) in their frequency.

A
1 <2< 3

B
1 < 3 < 2

C
3 < 2 < 1

D
3< 1 < 2

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Re-Attempt Weekly Quiz Competition

India: Science and Technology Test 31

Result

India: Science and Technology Test 31

Score

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Rank

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SHARING IS CARING

Question 1

ADSL2 extends the capability of basic ADSL in data rates to 12 Mbit/s downstream.

DSL filter allows a single telephone connection to be used for both ADSL2 service and voice calls at the same time.

ADSL2 uses the same bandwidth as ADSL but achieves higher throughout via improved modulation techniques.

All the descriptions (a), (b) and (c) are correct about the Asymmetric Digital Subscriber Line 2 (ADSL2).

Question 2

ADSL2+ extends the capability of basic ADSL by doubling the number of downstream bits

ADSL2+ extends the capability of basic ADSL by doubling the number of upstream bits

DataOne and Triband services of BSNL and MTNL respectively use the ADSL2+ technology

Both the statements (a) and (c) are correct about the ADSL2+ technology

Question 3

In WiMAX, the operation beyond the maximum range of 50 km reduces the bitrate of the device

In WiMAX, the operation beyond the maximum range of 50 km increases the bitrate of the device

In WiMAX, reducing the range of operation to or less than 1 km allows a device to operate at higher bitrates

Both the statements a and c' are correct about the WiMAX operations

Question 4

Only 1

Only 2

Both 1 and 2

Neither 1 nor 2

Question 5

DSL circuit provides signals in pure form of digital signals

DSL circuit does not need modem to modulate bits pattern signals to certain high-frequency impulses

DSL uses high-frequency sinusoidal carrier wave modulation which is the analog signal

Both the statements (a) and (b) are correct about the DSL

Question 6

Only 1

Only 2

Both 1 and 2

Neither 1 nor 2

Question 7

0.5 to 2 GHz

2 to 3.5 GHz

4 to 5.5 GHz

6 to 7.5 GHz

Question 8

1 to 40 GHz

80 to 120 GHz

120 to 180 GHz

180 to 300 GHz

Question 9

J.C. Denyer

J. Shaw

R. Brealey

Both (A) and (B)

Question 10

1 <2< 3

1 < 3 < 2

3 < 2 < 1

3< 1 < 2

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