IPPM Chapter 5

1. What is the primary function of a Wireless Sensor Network (WSN)?

• Data collection and routing

• Video streaming

• Sending emails

• 1. Hosting websites

1. In a multi-hop WSN architecture, what role does each sensor node play?

• 1. Data collection and routing

• Only data collection

• Only data routing

• 1. Power management

1. What is the name of the main receiver in a WSN that collects data from sensor nodes?

• 1. Router

• Sink

• Transmitter

• Server

1. What is a characteristic of Smart Dust Networks in WSNs?

• Large sensor nodes

• Wired communication

• 1. Miniature sensors as small as dust

• High-power transmission

1. Why is multi-hop communication used in WSNs?

• To reduce energy consumption and extend network range

• To increase interference

• 1. To reduce the number of nodes

• To simplify network architecture

6. What is an advantage of a wired sensor network over a wireless one?

• Higher scalability

• Better mobility

• More reliable connections

• 6. Easier installation

6. What is a disadvantage of wireless sensor networks?

• Lack of flexibility

• Limited battery life requiring maintenance

• Low mobility

• High equipment cost

6. Which of the following is an advantage of a wireless network over a wired network?

• Lower security risks

• Easier to expand

• 6. Lower latency

• No interference issues

What security risk does a wireless sensor network have compared to a wired one?

• 6. More power consumption

• Prone to interception and hacking

• Requires more cabling

• Cannot be encrypted

6. Which factor affects the reliability of a wireless sensor network?

• Weather conditions and interference

• Cable length

• • Number of switches

• Number of LAN ports