Connecting Things Chap. 4 Quiz

Which wireless technology has low-power and data rate requirements making it popular in home automation applications?

Zigbee

What are two protocols developed by the Wi-Fi Alliance to secure wireless networks? (Choose two.)

- WPA 802.1x - WPA2

What are three characteristics that distinguish big data from data? (Choose three.)

- amount of data being transported and stored - rate at which data is generated - type of data that is generated

Match the wireless technology with the description.

4G/5G - Cellular-based technology for transferring data over large geographical areas. ZigBee - Popular in IoT application such as home automation LoRaWAN - Uses a gateway to relay messages between end-devices and a central network server.

Which wireless technology can be used to provide a metropolitan area with up to 100 Mbps of bandwidth?

5G

Which cloud service provides an app development platform and a backend service for apps?

Built.io

Match the network component category with the description.

End devices - Source or destination of a message Intermediate devices - Determine best path for packets Services - Network applications Media - Physical channel to carry messages

Match the type of media with the transmission technology.

Fiber optic cable - pulses of light Wireless - radio waves Copper wires - electrical impulses

Which pillar of the Cisco IoT System allows data to be analyzed and managed at the location where it is generated?

Fog computing

What measure should be taken to secure IoT devices?

Keep firmware updated

A ____________ area network is a network infrastructure that interconnects end devices in a limited area.

Local

What are rules governing communication between network devices?

Protocols

Which statement is an accurate description of 4G and 5G wireless technologies?

They are both cellular-based technologies for covering large geographic areas.

What is the goal of fog computing?

To analyze data as close to the source as possible

What is the role of routing data networks?

To determine the best paths for packets through the network

What is data in motion?

Value extracted from data while it is being generated

A _________ area network is usually administered by multiple service providers.

Wide Area Network

Which type of payment model is typically used to purchase cloud services?

pas-as-you-go system

"The three Vs that distinguish data from big data are velocity, volume, and _______"

variety