Q.90 The light transmission phenomenon inside the optical fiber cable is:Ans 1. Reflection2. Total internal reflection3. Diffraction4. RefractionCorrect Ans Provided: 2
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Q.13 Among the following, …………………. is an example of network edge device.Ans 1. Optical fiber2. Switch3. Hub4. ServerCorrect Ans Provided: 4
Q.87 In which of the following breakdown the phenomena of Collision occurs?Ans 1. Avalanche breakdown2. Junction breakdown3. Zener breakdown4. RF breakdownCorrect Ans Provided: 1
Q.31 Determine the Binary addition of (1010)₂ and (0111)₂Ans 1. (10000)₂2. (00100)₂3. (11000)₂4. (10001)₂Correct Ans Provided: 4
Q.36 ______ device is essential for an internet connectionAns 1. joystick2. cd drive3. modem4. nic cardCorrect Ans Provided: 3
Q.74 Most of the ozone layer in the atmosphere that shields humans from UV-B and UV-C is being destroyed by the addition of:Ans 1. carbon dioxide2. carbon monoxide3. chlorofluorocarbon4. sulpur dioxideCorrect Ans Provided: 3
Q.93 Which type of batteries is used in photoelectric exposure devices:Ans 1. Zinc Silver Oxide2. Lead- acid3. Nickle – Cadmium4. Lithium ionCorrect Ans Provided: 1
Q.9 The identification of fault is very challenging in the topologyAns 1. Bus2. Star3. Ring4. MeshCorrect Ans Provided: 1
Q.76 As the temperature rises, the diode current willAns 1. increases2. becomes zero3. decreases4. remains constantCorrect Ans Provided: 3
Q.39 Expression of DE Morgan’s Theorem isAns 1. (X.Y)’ = (X’. Y’)2. X.Y = X+Y3. X+Y = X’. Y’4. (X.Y)’ = X’+Y’Correct Ans Provided: 4
