Q. What state does a port enter when it is actively forwarding traffic in STP?
A.
Listening
B.
Learning
C.
Forwarding
D.
Blocking
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Solution
A port in the Forwarding state actively forwards traffic to and from the network.
Correct Answer:
C
— Forwarding
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Q. What technology allows multiple devices to connect to a single wireless access point?
A.
MIMO
B.
WEP
C.
NAT
D.
DHCP
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Solution
MIMO (Multiple Input Multiple Output) technology allows multiple devices to connect to a single wireless access point by using multiple antennas to send and receive more data simultaneously.
Correct Answer:
A
— MIMO
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Q. What technology is used to extend the range of a wireless network?
A.
Repeater
B.
Router
C.
Switch
D.
Bridge
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Solution
A repeater is used to extend the range of a wireless network by receiving and retransmitting the wireless signal.
Correct Answer:
A
— Repeater
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Q. What type of address is used to identify a device on a network?
A.
MAC address
B.
IP address
C.
Both MAC and IP address
D.
None of the above
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Solution
An IP address is used to identify a device on a network, while a MAC address identifies a device at the data link layer.
Correct Answer:
C
— Both MAC and IP address
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Q. What type of capacitor is commonly used for high-frequency applications?
A.
Electrolytic capacitor
B.
Ceramic capacitor
C.
Tantalum capacitor
D.
Film capacitor
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Solution
Ceramic capacitors are preferred for high-frequency applications due to their low inductance.
Correct Answer:
B
— Ceramic capacitor
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Q. What type of code converter is used to convert binary numbers to Gray code?
A.
Binary to BCD converter
B.
Binary to Gray code converter
C.
BCD to binary converter
D.
Decimal to binary converter
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Solution
A binary to Gray code converter is specifically designed to convert binary numbers into their corresponding Gray code.
Correct Answer:
B
— Binary to Gray code converter
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Q. What type of code does a binary to Gray code converter produce?
A.
A code that minimizes errors in digital communication
B.
A code that is easier to read
C.
A code that represents numbers in a different base
D.
A code that is used for error detection
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Solution
A binary to Gray code converter produces a code that minimizes errors in digital communication by changing only one bit at a time.
Correct Answer:
A
— A code that minimizes errors in digital communication
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Q. What type of core material is commonly used in transformers?
A.
Air
B.
Copper
C.
Silicon steel
D.
Aluminum
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Solution
Silicon steel is commonly used as the core material in transformers due to its magnetic properties.
Correct Answer:
C
— Silicon steel
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Q. What type of counter is a Johnson counter?
A.
Synchronous counter
B.
Asynchronous counter
C.
Ring counter
D.
Decade counter
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Solution
A Johnson counter is a type of ring counter that uses inverted feedback.
Correct Answer:
C
— Ring counter
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Q. What type of counter is used to count both up and down?
A.
Up counter
B.
Down counter
C.
Up/Down counter
D.
Ring counter
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Solution
An Up/Down counter can count both upwards and downwards based on control signals.
Correct Answer:
C
— Up/Down counter
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Q. What type of device is a BJT?
A.
Voltage-controlled device
B.
Current-controlled device
C.
Temperature-controlled device
D.
Frequency-controlled device
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Solution
A BJT (Bipolar Junction Transistor) is a current-controlled device.
Correct Answer:
B
— Current-controlled device
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Q. What type of FET is commonly used for switching applications?
A.
JFET
B.
MOSFET
C.
BJT
D.
IGBT
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Solution
MOSFETs are widely used in switching applications due to their high efficiency and fast switching speeds.
Correct Answer:
B
— MOSFET
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Q. What type of inductor is commonly used in RF applications?
A.
Air core inductor
B.
Iron core inductor
C.
Ferrite core inductor
D.
Water core inductor
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Solution
Air core inductors are commonly used in RF applications due to their low losses.
Correct Answer:
A
— Air core inductor
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Q. What type of logic function can be implemented using a PLD?
A.
Only AND functions
B.
Only OR functions
C.
Any combinational logic function
D.
Only sequential logic functions
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Solution
PLDs can implement any combinational logic function, making them versatile for various applications.
Correct Answer:
C
— Any combinational logic function
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Q. What type of multivibrator is used to generate a square wave output?
A.
Astable multivibrator
B.
Monostable multivibrator
C.
Bistable multivibrator
D.
None of the above
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Solution
An astable multivibrator continuously switches between its high and low states, generating a square wave output.
Correct Answer:
A
— Astable multivibrator
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Q. What type of network topology does OSPF support?
A.
Star only
B.
Mesh only
C.
Hierarchical
D.
Point-to-point only
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Solution
OSPF supports a hierarchical network topology, allowing for efficient routing and management of large networks through the use of areas.
Correct Answer:
C
— Hierarchical
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Q. What type of network topology does OSPF use?
A.
Star
B.
Mesh
C.
Hierarchical
D.
Bus
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Solution
OSPF uses a hierarchical network topology, which allows for efficient routing and management of large networks through the use of areas.
Correct Answer:
C
— Hierarchical
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Q. What type of rectifier allows current to flow in both directions but only during one half of the AC cycle?
A.
Full-wave rectifier
B.
Half-wave rectifier
C.
Bridge rectifier
D.
Zener rectifier
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Solution
A half-wave rectifier allows current to flow only during one half of the AC cycle, blocking the other half.
Correct Answer:
B
— Half-wave rectifier
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Q. What type of rectifier allows current to flow in only one direction?
A.
Zener rectifier
B.
Half-wave rectifier
C.
Full-wave rectifier
D.
Bridge rectifier
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Solution
A half-wave rectifier allows current to flow in only one direction, blocking the reverse current.
Correct Answer:
B
— Half-wave rectifier
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Q. What type of rectifier is commonly used in power supply circuits for semiconductor memory?
A.
Half-wave rectifier
B.
Full-wave rectifier
C.
Bridge rectifier
D.
Zener rectifier
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Solution
Bridge rectifiers are commonly used in power supply circuits for semiconductor memory as they provide full-wave rectification.
Correct Answer:
C
— Bridge rectifier
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Q. What type of rectifier is commonly used in series-parallel circuits to convert AC to DC?
A.
Half-wave rectifier
B.
Full-wave rectifier
C.
Bridge rectifier
D.
All of the above
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Solution
All types of rectifiers can be used in series-parallel circuits depending on the application requirements.
Correct Answer:
D
— All of the above
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Q. What type of rectifier uses a thyristor?
A.
Half-wave rectifier
B.
Full-wave rectifier
C.
Controlled rectifier
D.
Bridge rectifier
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Solution
Controlled rectifiers utilize thyristors to control the output voltage and current.
Correct Answer:
C
— Controlled rectifier
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Q. What type of rectifier uses both halves of the AC waveform?
A.
Half-wave rectifier
B.
Full-wave rectifier
C.
Bridge rectifier
D.
Zener rectifier
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Solution
A full-wave rectifier utilizes both halves of the AC waveform to produce a smoother DC output.
Correct Answer:
B
— Full-wave rectifier
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Q. What type of rectifier uses both positive and negative halves of the AC waveform?
A.
Half-wave rectifier
B.
Full-wave rectifier
C.
Bridge rectifier
D.
Zener rectifier
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Solution
A full-wave rectifier utilizes both halves of the AC waveform, allowing for more efficient conversion to DC compared to a half-wave rectifier.
Correct Answer:
B
— Full-wave rectifier
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Q. What type of routing protocol is EIGRP?
A.
Distance Vector
B.
Link State
C.
Hybrid
D.
Static
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Solution
EIGRP (Enhanced Interior Gateway Routing Protocol) is classified as a hybrid routing protocol because it combines features of both distance vector and link state protocols.
Correct Answer:
C
— Hybrid
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Q. What type of sensor would typically output a voltage proportional to the temperature?
A.
Photodiode
B.
Thermocouple
C.
Resistor
D.
Inductor
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Solution
A thermocouple generates a voltage that is proportional to the temperature difference between its junctions.
Correct Answer:
B
— Thermocouple
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Q. What type of sensor would you use to measure temperature?
A.
Photodiode
B.
Thermistor
C.
Accelerometer
D.
Microphone
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Solution
A thermistor is a type of temperature sensor that changes resistance with temperature variations.
Correct Answer:
B
— Thermistor
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Q. What type of shift register allows data to be shifted in both directions?
A.
Serial-in Serial-out
B.
Parallel-in Parallel-out
C.
Bidirectional Shift Register
D.
Universal Shift Register
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Solution
A Bidirectional Shift Register allows data to be shifted in both left and right directions.
Correct Answer:
C
— Bidirectional Shift Register
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Q. What type of shift register shifts data to the left?
A.
Right shift register
B.
Left shift register
C.
Bidirectional shift register
D.
Universal shift register
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Solution
A left shift register shifts data to the left, moving bits towards the higher order.
Correct Answer:
B
— Left shift register
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Q. What type of signal is typically used in digital circuits?
A.
Analog signal
B.
Digital signal
C.
Continuous signal
D.
Variable signal
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Solution
Digital circuits use digital signals, which represent data in binary form (0s and 1s).
Correct Answer:
B
— Digital signal
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