Chapter 1 ❤️

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

• a manual garage door opener

• A clock

• a traditional dishwasher

• a thermostat

Answer explanation

Because Bông yêu anh 🤣

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