Surprise Quiz1 on Smart and Wireless Instrumentation

The type of sensor which measures changes in environmental light is _____

• Temperature sensor

• Photonic sensor

• Humidity sensor

• Pressure sensor

Material that is widely used in temperature sensors to predict response to heat

• Gold

• Silver

• Platinum

• Copper

In a wireless sensor network, what purpose does decentralized management serve?

• Reduces battery consumption.

• Allows each sensor node to make independent decisions.

• Increases data storage requirements.

• Ensures secure communication between all nodes.

In wireless networking, what is the purpose of using an access control protocol.

• To allow multiple nodes to communicate over the same frequency without interference.

• To secure data with encryption.

• To reduce power consumption of each node.

• To prevent data loss during transmission

To monitor air quality in a dense urban area, choose the aspect of WSN's design would best mitigate the risk of data breaches.

• Using directional antennas

• Implementing network authentication and access control

• Reducing node density

• Increasing node memory capacity

If a WSN node's battery life is a critical factor, which communication protocol would be most suitable to minimize energy consumption?

• Wi-Fi

• Bluetooth

• Zigbee

• Ethernet

If a wireless sensor network is designed for remote environmental monitoring, point out the design constraint that is most critical.

• High processing power

• Low energy consumption

• Large storage capacity

• Robust physical structure

In wireless communication, identify the range of frequency band that most commonly used for industrial, scientific, and medical (ISM) applications

• 900MHz

• 2.4GHz

• 5 GHz

• 7.8 GHz

The function of 'scalability' in the context of wireless sensor networks is to

• Ability to handle interference

• Capability of adding more nodes without impacting performance

• Efficient use of power

• Improved data security

_______ Type of attack poses a risk to wireless sensor networks due to the lack of a central control unit.

• Phishing

• Malware

• Sybil attack

• Keylogging