WorksheetsChapter 1 ❤️
Total questions: 19
Worksheet time: 11mins
What is an example of a closed-loop control system?
a manual garage door opener
A clock
a traditional dishwasher
a thermostat
True or False?
The purpose of the Cisco IoT System is to create complexity in IoT system implementation and management
True
False
What are three components of a control system? (Choose three.)
Sensor
Plant
Thermostat
wearable device
Controller
What are two advantages of using fiber optic cables compared with copper cables? (Choose two.)
They are less expensive.
They support higher bandwidth.
They provide connections over longer distances.
They use electromagnetic signals to transmit data.
They provide shared media access for a single link.
To answer the question, you do not need to consider the exhibit. Which type of media would use electromagnetic signals to communicate between IoT devices
Wireless
Single mode fiber
Copper
Multimode fiber
Which level of the Internet of Things reference model describes data storage?
Data abstraction
Edge computing
Data accumulation
Physical devices and controllers
What are two benefits of using a layered model for network protocol development? (Choose two.)
. Promoting acquisition of networking products
Reducing competition among different manufacturers
Enhancing capabilities of networking products and services
Providing a common language to describe networking functions
Preventing technology changes in one layer from affecting other layers
What are three machine-intelligible message structures that group strings of bits for network transmission? (Choose three.)
ASCII codes
frames
pixels
packets
segments
What are two factors that impact network security in the IoT? (Choose two.)
the number of devices
the number of bits used for encryption
the nontraditional location of devices
the lack of Internet standard
the amount of space between sensors
What are three types of connections in an IoT system? (Choose three.)
connection to power sources
OSI Layer 2 and Layer 3 networking connections
exclusive networking for IoT systems
Interconnection among cloud computing systems
wires and circuitry associated with linking IoT components
Match the layers of the TCP/IP model to their function. (Not all options are used.)
application
– represents data to the user and provides encoding and dialog control
transport
– supports communication between various devices across diverse networks
internet
– determines the best path through the networks to send data
network access
– controls hardware devices and media that make up the network
Đây bài nối nhá . Đáp án luôn đấyy
Match the functions with the IoT device.
Adds intelligence to things
– controller
monitors physical properties of the environment
– sensor
improves IoT network performance
– none of these
performs an action
– actuator
Đáp án cả 4 nhá
What type of IoT device is the Raspberry Pi?
router
sensor
actuator
controller
What is embedded within a digital object, such as a photograph or email?
sensor
microcontroller
feedback
metadata
To answer the question, you do not need to consider the exhibit. Which type of IoT device operates in the device-to-network-to-cloud communication model?
smart watch
IP camera
Bluetooth heart-rate sensor
Zigbee gas sensor
What is the term for the extension of the existing Internet structure to billions of connected devices?
SCADA
digitization
IoT
M2M
What are three alternative methods of powering IoT systems deployed in remote locations? (Choose three.)
solar
PoE
vibration
temperature differences
AC line power
Which action is the result of negative feedback?
A flashlight is used at night by a camper.
A strong feedback noise is heard in an auditorium during a rehearsal.
An unexpected chemical reaction in a chemical plant causes an explosion
A thermostat shuts down an air conditioning unit when the temperature reaches the set temperature
Fill in the blank.
In process control theory, a _____ uses inputs to execute the required actions in order to achieve the desired output.
Answer : process
or
controlled process
.
