Question 1 : FTTC stands for ________
1. Fiber To The Curb
2. Fiber Telephone Transmission Cable
3. Fiber Transmission Timing Cable
4. Fiber Telephone Timing Cable
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Question 2 : For signal, m(t) = 50cos(10 × 90t + 30 sin100t), the power dissipated by the 20O resistor is ________
1. 100W
2. 65W
3. 74.7W
4. 62.5W
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Question 3 : What is the full form of DWDM?
1. Dense Wavelength Division Multiplexing
2. Dense Wavelength Division Modulation
3. Directed Wavelength Division Multiplexing
4. Directed Wavelength Division Modulation
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Question 4 : Power above the minimum required by an optical receiver is called ________
1. phase margin
2. system margin
3. excess gain
4. gain margin
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Question 5 : The power density of a flicker noise is _________
1. low at high frequencies
2. greater at low frequencies
3. greater at high frequencies
4. low at low frequencies
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Question 6 : Which parts of a sinusoidal carrier can be modulated?
1. only amplitude
2. only frequency
3. its amplitude, frequency and direction
4. its amplitude, frequency and phase angle
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Question 7 : The conditions for sinusoidal oscillation from an amplifier are called _________
1. Loop-gain criteria
2. Hartley criteria
3. Biasing criteria
4. Barkhausen criteria
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Question 8 : What is used in Hartley oscillator?
1. a piezoelectric crystal
2. two resistor divider
3. a two-capacitor divider
4. a tapped inductor
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Question 9 : VFO stands for ________
1. Voltage Feedback Oscillator
2. Variable Feedback Oscillator
3. Voltage Frequency Oscillator
4. Variable Frequency Oscillator
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Question 10 : What is the full form of SONET?
1. Synchronous Optical Network
2. Standard Optical Network
3. Secret Optical Network
4. Service Optical Network
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