Description : Is there a difference between CAT5 cable and CAT6 cables?
Last Answer : Cat6 is 250 MHz and cat5 is just 100.
Description : The 10/100Mbit Ethernet support enables the board to connect to _________ A. LAN B. MAN C. WAN D. WLAN
Last Answer : A. LAN
Description : How power supply is done to RPi? A. USB connection B. Internal battery C. Charger D. Adapter
Last Answer : A. USB connection
Description : What do we use to connect TV to RPi? A. Male HDMI B. Female HDMI C. Male HDMI and Adapter D. Female HDMI and Adapter
Last Answer : C. Male HDMI and Adapter
Description : Does RPi have an internal memory? A. True B. False
Last Answer : A. True
Description : Do CAT6 cables provide better signal strength than CAT5?
Last Answer : CAT6 cables do provide better signal strength and bandwith than CAT5, but for most purposes CAT5e will work just as well and be cheaper.
Description : 802.3 is the standard for 10BASE5 Ethernet that uses ___________ cable as shared medium. A. Twisted pair cable B. Coaxial cable C. Fiber optic cable D. None of the above
Last Answer : B. Coaxial cable
Description : _____________ is a collection of wired Ethernet standard for the link layer. A. IEEE 802.3 B. IEEE 802.11 C. IEEE 802.16 D. IEEE 802.15.4
Last Answer : A. IEEE 802.3
Description : Which multiple access technique is used by IEEE 802.11 standard for wireless LAN? a. ALOHA b. CSMA/CA c. CDMA d. none of the mentioned
Last Answer : b. CSMA/CA
Description : was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network. a. Star LAN b. Ring LAN c. Mesh LAN d. All of the above
Last Answer : a. Star LAN
Description : Determine the maximum length of the cable (in km) for transmitting data at a rate of 500 Mbps in an Ethernet LAN with frames of size 10,000 bits. Assume the signal speed in the cable to be 2,00,000 km/s. b. 2 c. 2.5 d. 5
Last Answer : b. 2
Description : ....... was the first step in the evolution of Ethernet from a coaxial cable bus to hub managed, twisted pair network. A) Star LAN B) Ring LAN C) Mesh LAN D) All of the above
Last Answer : A) Star LAN
Description : 8............. was the first step in the evolution of Ethernet from a coaxial cable bus to hubmanaged, twisted pair network. A) Star LAN B) Ring LAN C) Mesh LAN D) All of the above
Description : _____ is used by IOT A. Radio information technology B. Satellite C. Cable D. Broadband
Last Answer : A. Radio information technology
Description : RJ45 UTP cable has Cables. A) 2 pair B) 3 pair C) 4 pair D) 5 pair
Last Answer : Answer : C
Description : In astar-topology Ethernet LAN, _______ is just a point where the signals coming from different stations collide; it is thecollision point. A) An activehub B) A passivehub C) either (a)or (b) D) neither (a) nor (b)
Last Answer : A passivehub
Description : Which of the following statements is TRUE about CSMA/CD a. IEEE 802.11 wireless LAN runs CSMA/CD protocol b. Ethernet is not based on CSMA/CD protocol c. CSMA/CD is not suitable for a high propagation delay network like satellite network d. There is no contention in a CSMA/CD network
Last Answer : CSMA/CD is not suitable for a high propagation delay
Description : In a star-topology Ethernet LAN, _______ is just a point where the signals coming from different stations collide; it is the collision point.
Last Answer : a passive hub
Description : Which of the following is type of LAN? (A) Ethernet (B) Token Ring (C) FDDI (D) All of the above
Last Answer : (D) All of the above
Description : Which is the part of Data Link Layer: a. LLC b. MAC c. Both a and b d. None of these
Last Answer : c. Both a and b
Description : Which IEEE standard is developed for CSMA/CD a. IEEE 802.1 b. IEEE 802.2 c. IEEE 802.3 d. IEEE 802.4
Last Answer : c. IEEE 802.3
Description : MQTT is: a. Based on client-server architecture b. Based on publish-subscribe architecture c. Based on both of the above d. Based on none of the above
Last Answer : b. Based on publish-subscribe architecture
Description : HTTP resources are located by a. unique resource locator b. unique resource identifier c. none of the mentioned d. uniform resource identifier
Last Answer : d. uniform resource identifier
Description : .Frequency band used by 802.11 ah standard is: a. 60 GHz b. 2.4 GHz c. Sub 1 GHz d. 5 GHz
Last Answer : c. Sub 1 GHz
Description : Which layer is called a port layer in OSI model? a. Session b. Application c. Presentation d. Transport
Last Answer : a. Session
Description : Which transport layer protocols is used by DHCP? a. RSVP b. TCP c. DCCP d. UDP
Last Answer : d. UDP
Description : Which one out of these is not a data link layer technology: a. Bluetooth b. UART c. WIFI d. HTTP
Last Answer : d. HTTP
Description : ____ sensor measure heat emitted by objects. A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor
Last Answer : C. IR Sensor
Description : ____ sensor is used for automatic door controls, automatic parking system, automated sinks, automated toilet flushers, hand dryers. A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Motion Sensor
Last Answer : D. Motion Sensor
Description : The measurement of humidity is A. RH B. PH C. IC D. None of aboved
Last Answer : A. RH
Description : ___ sensors include thermocouples, thermistors, resistor temperature detectors (RTDs) and integratd circuits (ICs). A. Smoke Sensor B. Temperature Sensor C. IR Sensor D. Proximity Sensor
Last Answer : B. Temperature Sensor
Description : ____detect the presence or absence of nearby object without any physical contact. A. Smoke Sensor B. Pressure Sensor C. IR Sensor D. Proximity Sensor
Last Answer : D. Proximity Sensor
Description : ____ is used latching, locking, triggering. A. Solenoid B. Relay C. Linear Actuator D. Servo motors
Last Answer : A. Solenoid
Description : ___ is an open source electronic platform based on easy to used hardware and software. A. Arduino B. Uno C. Raspberry Pi D. Node
Last Answer : A. Arduino
Description : What is the microcontroller used in Arduino UNO? A. ATmega328p B. ATmega2560 C. ATmega32114 D. AT91SAM3x8E
Last Answer : A. ATmega328p
Description : IoT devices are ____ A. Standard B. Non-standard C. Both D. None
Last Answer : B. Non-standard
Description : Properties of IoT devices. A. Sense B. Send and receive data C. Both A and B D. None of above
Last Answer : C. Both A and B
Description : Properties of Arduino are: A. Inexpensive B. Independent C. Simple D. both A and C
Last Answer : D. both A and C
Description : Gas sensors are used to detect _____gases. A. Toxic B. Natural C. Oxygen D. Hydrogen
Last Answer : A. Toxic
Description : Image sensors are found in_______ A. Cameras B. Night-vision equipment C. Sonars D. All of above
Last Answer : D. All of above
Description : Accelerometer sensors are used in______ A. Smartphones B. Aircrafts C. Both D. None of above
Last Answer : C. Both
Description : Solenoid is a specially designed ________ A. Actuator B. Machine C. Electromagnet D. none of above
Last Answer : C. Electromagnet
Description : Linear actuators are used in________ A. Machine tools B. Industrial machinery C.both A and B D.None
Last Answer : A. Machine tools
Description : DC motors converts electrical into ___ energy. A. Mechanical B. Wind C. Electric D. None
Last Answer : A. Mechanical
Description : Stepper motors are_____ A. AC motors B. DC motors C. Electromagnets D. None of above
Last Answer : B. DC motors
Description : Devices that transforms electrical signals into physical movements A. Sensors B. Actuators C. Switches D. Display
Last Answer : B. Actuators
Description : ________ in IoT as one of the key characteristics, devices have different hardware platforms and networks. A. Sensors B. Heterogeneity C. Security D. Connectivity
Last Answer : B. Heterogeneity
Description : The number of devices that need to be managed and that communicate with each other will be much larger. A. Intelligence B. Connectivity C. Dynamic Nature D. Enormous Scale
Last Answer : D. Enormous Scale
Description : The collection of data is achieved with ________ changes. A. Intelligence B. Connectivity C. Dynamic Nature D. Enormous Scale
Last Answer : C. Dynamic Nature
Description : ________ empowers IoT by bringing together everyday objects. A. Intelligence B. Connectivity C. Dynamic Nature D. Enormous Scale
Last Answer : B. Connectivity