Explore topic-wise MCQs in Internet of things (IoT).

This section includes 66 Mcqs, each offering curated multiple-choice questions to sharpen your Internet of things (IoT) knowledge and support exam preparation. Choose a topic below to get started.

1.

_________ does not provide reliable end to end communication.

A. TCP
B. UDP
C. Both TCP and UDP
D. Neither TCP nor UDP
Answer» C. Both TCP and UDP
2.

___________ adjusts the segment size to be smaller than MTU.

A. Internet Protocol 6
B. User Datagram Protocol
C. Internet Protocol 4
D. Transmission Control Protocol
Answer» E.
3.

FCP stands for _________

A. Fiber Channel Protocol
B. Field Channel Protocol
C. Fast Channel Protocol
D. Fiber Carrying Protocol
Answer» B. Field Channel Protocol
4.

XMPP feature such as federation across domains used to implement the Internet of Things.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
5.

The architecture of the XMPP network is similar to __________

A. Chat box
B. Web browser
C. Gaming
D. Email
Answer» E.
6.

How many version /s of IP’s are there?

A. 4 versions
B. 3 versions
C. 2 versions
D. 1 version
Answer» D. 1 version
7.

What is the wireless system used by dell?

A. WAN
B. WWAN
C. HAN
D. MAN
Answer» C. HAN
8.

IoT gateway sits at the interaction of egde systems.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
9.

IEEE stands for Institute of Electrical and Electronics Engineers.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
10.

Transport layer receives data in the form of __________

A. Packets
B. Byte streams
C. Bits stream
D. Both packets and Byte stream
Answer» C. Bits stream
11.

What are the functions of the transport layer?

A. Multiplexing/ Demultiplexing
B. Connection less Services
C. Connection oriented service
D. Congestion control
Answer» B. Connection less Services
12.

XMPP uses ________ architecture.

A. Decentralized client-server
B. Centralized client-server
C. Message
D. Public/subscriber
Answer» B. Centralized client-server
13.

Transport layer is which layer in OSI model?

A. Fourth layer
B. Third layer
C. Second layer
D. Fifth layer
Answer» B. Third layer
14.

Congestion control can control traffic entry into a telecommunications network, so to avoid _________

A. Congestive connection
B. Connection collapse
C. Congestive collapse
D. Collapse congestive
Answer» D. Collapse congestive
15.

The design of the Internet protocol suites adhere to the ________ principle.

A. Data corruption
B. Connection oriented
C. End to End principle
D. Reliability
Answer» D. Reliability
16.

In which cases gateway will appear?

A. Industrial Automation
B. Building automation
C. Transportation
D. Industrial & Building Automation
Answer» E.
17.

Wind River Intelligent Device offers what?

A. Gateway security
B. Application enablement
C. Device Connectivity
D. All of the mentioned
Answer» E.
18.

IP is connectionless.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
19.

The feature of IoT Gateway is the ability to download updates over-the-air.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
20.

MAC addresses are used as ________

A. Network addresses
B. IP address
C. Hardware address
D. Burned in address
Answer» B. IP address
21.

AMQP stands for ____________

A. Advanced Message Queuing Protocol
B. Application Message Queuing Protocol
C. Advanced Mailing Queuing Protocol
D. Application Mailing Queuing Protocol
Answer» B. Application Message Queuing Protocol
22.

XMPP have text based communication.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
23.

Which is the I2C messaging example?

A. 24c32 EPROM
B. 24c32 EEPROM
C. 24c33 EEPROM
D. 24c33 EPROM
Answer» C. 24c33 EEPROM
24.

In idle line multiprocessor mode, a precise idle period can be generated to create efficient address character identifiers.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
25.

In synchronous operation characters must be provided on time if not ______ error occurs.

A. Overrun error
B. Underrun error
C. Framing error
D. Parity error
Answer» C. Framing error
26.

USART provides a synchronous mode that is not in UART.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
27.

Transport layer can identify the symptoms of overload nodes using _________

A. Flow control
B. Traffic control
C. Byte orientation
D. Data integrity
Answer» C. Byte orientation
28.

Where the edge gateway sits in dell?

A. Near the system
B. End of the system
C. End of the devices
D. Near the devices
Answer» E.
29.

SPI have/has a single master.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
30.

How many types of addressing structures are there in I2C?

A. 4 types
B. 3 types
C. 2 types
D. 5 types
Answer» D. 5 types
31.

Which of the following is the disadvantage in SPI?

A. Full duplex communication
B. Push pull drivers
C. Unidirectional signals
D. More pins
Answer» E.
32.

Which of the following is an advantage of SPI?

A. No start and stop bits
B. Use 4 wires
C. Allows for single master
D. Error checking is not present
Answer» B. Use 4 wires
33.

MISO means _________

A. Line for master to send data to the slave
B. Line for the slave to send data to the master
C. Line for the clock signal
D. Line for the master to select which slave to send data to
Answer» C. Line for the clock signal
34.

CoAP feels very much like HTTP.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
35.

HART stands for_________

A. Highway Addressable Remote Transducer
B. High Addressable Remote Transducer
C. High Application Remote Transducer
D. Highway Application Remote Transducer
Answer» B. High Addressable Remote Transducer
36.

Which of the following is the type of SPI controller?

A. Queued SPI
B. Microwire
C. Microwire/plus
D. Quad SPI
Answer» B. Microwire
37.

__________ is a predecessor of SPI.

A. Queued SPI
B. Microwire
C. Microwire/plus
D. Quad SPI
Answer» C. Microwire/plus
38.

Do we have a protection in Dell.

A. Yes
B. No
C. Can't say
D. None of these
Answer» B. No
39.

Which bit in control register defines the address bit or idle line multiprocessor protocol mode?

A. MM
B. URXWIE
C. URXIE
D. RXWake
Answer» B. URXWIE
40.

Types of gateway classes?

A. Only one
B. 3 types
C. 2 types
D. 4 types
Answer» D. 4 types
41.

XMPP implementation uses ________

A. CoAP
B. Gaming
C. Email
D. Polling
Answer» E.
42.

Application layer interacts directly with the ________

A. front user
B. end user
C. sensors
D. wired link
Answer» C. sensors
43.

The original IEEE 802 MAC address comes from________

A. MAC address
B. IP address
C. Ethernet address
D. Http
Answer» D. Http
44.

Which mode assumes that it is the gateway’s responsibility to connect to the central repository server?

A. Factory Bootstrap
B. Server limited Bootstrap
C. Client Initiated Bootstrap
D. Bootstrap
Answer» D. Bootstrap
45.

Network layer in TCP/IP and OSI Model are same.

A. True
B. False
C. May be True or False
D. Can't say
Answer» C. May be True or False
46.

NEXCOM provides what?

A. OS
B. IoT gateway
C. Devices
D. Transportation
Answer» C. Devices
47.

Which error occurs when UART transmitter has completed sending a character and the transmit buffer is empty?

A. Overrun error
B. Underrun error
C. Framing error
D. Break condition
Answer» C. Framing error
48.

SPI have internal flash.

A. True
B. False
C. May be True or False
D. Can't say
Answer» B. False
49.

Which error occurs when the designated start and stop bits are not found?

A. Overrun error
B. Underrun error
C. Framing error
D. Break condition
Answer» D. Break condition
50.

Which level is the network layer in the OSI model?

A. Third level
B. Fourth level
C. Second level
D. Fifth layer
Answer» B. Fourth level