EC8702_ADWSN::Unit-2_Quiz-3

Sensor Network is ____________

• Heterogeneous system consisting of tiny sensors

• Homogeneous system used in wireless

• Very important for security

• All of the mentioned

Which of the following is/are essential components of a sensor node?

• Sensing unit

• Processing unit

• Transmitting unit

• All of the mentioned

_____________node acts as interface between WSN and internet

Choose the best definition to explain what is meant by a 'peer to peer' network.

• Computers have equal status and do not rely on a central server. Each workstation is effectively a server and client.

• A client is used to make requests, the server processes these requests and then responds to the request. The server provides a service.

• None of the above

Which one of these items is true of a peer-to-peer network?

• No network wide security in place
• Central control of security
• Has a central point of failure
• Easier to perform network wide backups

Which of the following is a disadvantage of a peer to peer network?

• If one computer fails it will not disrupt the network.
• There is little or no security which can leave them vulnerable.
• Users can access shared data which is centrally controlled.
• If any part of the network fails, a lot of disruption can occur.

What network usage model is this?

• Peer to peer

• WAN

• Client-Server

• None of the above

sensor network applications requires wireless adhoc networking techniques.

• true
• false

Sensor nodes are

• densely deployed
• prone to failures
• both A & B
• none of these

Sensor nodes are limited in

• power
• computational capacities
• memory
• all of them