Connecting Things Chap. 1 Quiz

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Match the functions with the IoT device.

Controller - adds intelligence to things Sensor - monitors physical properties of the environment None - improves IoT network performance Actuator - performs an action

What are two advantages of using fiber optic cables compared with copper cables? (Choose two.)

- They support higher bandwidth. - They provide connections over longer distances.

What are three types of connections in an IoT system? (Choose three.)

- connection to power sources - wires and circuitry associated with linking IoT components - OSI Layer 2 and Layer 3 networking connections

True or False?The purpose of the Cisco IoT System is to create complexity in IoT system implementation and management.

- false

What are three machine-intelligible message structures that group strings of bits for network transmission? (Choose three.)

- frames - packets - segments

What are two benefits of using a layered model for network protocol development? (Choose two.)

- providing a common language to describe networking functions - preventing technology changes in one layer from affecting other layers

What are three components of a control system? (Choose three.)

- sensor - plant - controller

What are three alternative methods of powering IoT systems deployed in remote locations? (Choose three.)

- solar - vibration - temperature differences

What are two factors that impact network security in the IoT? (Choose two.)

- the number of devices - the nontraditional location of devices

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

Which action is the result of negative feedback?

A thermostat shuts down an air conditioning unit when the temperature reaches the set temperature.

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

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?

IP Camera

What is the term for the extension of the existing Internet structure to billions of connected devices?

IoT

What is an example of a closed-loop control system?

a thermostat

In process control theory, a ________ uses inputs to execute the required actions in order to achieve the desired output.

controlled process

What type of IoT device is the Raspberry Pi?

controller

Which level of the Internet of Things reference model describes data storage?

data accumulation

What is embedded within a digital object, such as a photograph or email?

metadata


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