Introduction to the Internet of Things

What is needed in a smart home to connect sensors and smart devices to a network?

• internet connection

• home gateway

• Packet Tracer

• Bluetooth

Answer explanation

In a smart home, IoT devices connect to the network through a home gateway device.

The correct answer is: home gateway

What is the core component of Intent-Based Networking?

• artificial intelligence

• the cloud

• fog computing

• the internet

Answer explanation

Artificial intelligence will allow Intent-Based Networking to automatically configure network devices across the network to fulfill network requirements based on the intent of those requirements.

The correct answer is: artificial intelligence

Which command is used to test network connectivity and provide a response to each packet received by the remote host?

• tracert

• text

• connect

• ping

Answer explanation

The ping and tracert commands are both used to test connectivity. The ping command is used to test connectivity from one network device to another network device. The tracert command is used to trace a route from the source network device to another network device.

The correct answer is: ping

What type of device could allow a refrigerator to place a replacement order for an item contained within it?

• sensor

• digital network

• smart phone

• generator

Answer explanation

Sensors can be used to detect motion, water levels, light levels, temperature, and other measurements such as the weight of the milk carton within a smart refrigerator that could place a replacement order for the milk.

The correct answer is: sensor

What information is conveyed by the SSID that is configured on an IoT device?

• the home gateway

• the registration server

• the wireless network

• the default gateway

Answer explanation

The SSID is used to identify the name of the wireless network which a device can join.

The correct answer is: the wireless network.

What is a sensor?

• the foundation of the digitized world

• anything that stores data

• a device that detects or measures an event or physical property

• something that provides products and services to customers through an internet connection

Answer explanation

Sensors detect or measure and send that data to be processed and analyzed. Sensors can detect motion, water levels, light levels, temperature, and color.

The correct answer is: a device that detects or measures an event or physical property

True or False?

The Internet of Things will connect inanimate objects to the network with intelligent sensors.

• True

• False

Answer explanation

The correct answer is: true

Which tool allows a user to simulate real networks?

• Packet Tracer

• artificial intelligence

• internet

• PAN

Answer explanation

Packet Tracer is a free network simulation and visualization tool.

The correct answer is: Packet Tracer

Which type of computing is located at the edge of a business or corporate network and that allows data from sensors to be preprocessed?

• fog

• wireless

• WAN

• internet

Answer explanation

Fog computing contains servers and intelligence that allows data from sensors to be preprocessed and available for immediate use and sent into the cloud for more in-depth analysis.

The correct answer is: fog

True or False?

Once connected to the home gateway, smart devices can be controlled from a smartphone, tablet, or PC.

• True

• False

Answer explanation

The correct answer is: true