EC8702_ADWSN_Model-1_Part-A

What are the responsibilities of Data link Layer

• Error Control
• Flow control
• both A & B
• none of them

What are the two types of MAC Protocols?

• Contention based
• Schedule based
• both A & B
• none of them

LLC stands for

• Local Link Control layer
• Location Link Control layer
• Logical Link Control layer
• none of them

Types of MAC protocol

• Fixed assignment protocols
• Demand assignment protocols
• Random access protocols
• All of them

The ratio of the listen period length to the wakeup period isalso called

• Node's half cycle
• Node's duty cycle
• Node's dutyless cycle

What are the periods available in periodic wakeup scheme?

• Wake up period
• Sleep period
• listen period
• All of them

The data sent by the source node should reach the destination node as it was sent or unaltered is called

• Confidentiality
• Integrity
• Availability
• Non-repudiation

security protocol for ad hoc wireless is a very challenging because of

• shared broadcast radio channel
• insecure operating<br />environment
• lack of central authority
• All of them

An attack does not disrupt the<br />operation of the network

• Active
• passive
• both
• none of them

An active attack attempts to alter or destroy the data being exchanged in the network, thereby disrupting the normal functioning of the network

• Active
• passive
• both
• none of them