CWNP Exam Questions

Which statements are true regarding the duration/ID field in unfragmented Data frames?

Which statements are true regarding the duration/ID field in unfragmented Data frames?

A.
The duration/ID field specifies the amount of time required for the SIFS and ACK that follow the data frame.

B.
The duration/ID field is measured in microseconds and always rounded up to the next highest integer.

C.
When a Data frame is sent to a multicast address, the duration/ID field is always set to 32,768.

D.
If the More Fragments bit in the Frame Control field of the MAC header is set to 0, then the duration/ID field is also set to 0.

E.
The duration/ID field is always set to zero unless Data is sent to the broadcast address of FF:FF:FF:FF:FF:FF.

F.
Valid frames with a duration/ID field value of less than 32,768 are used by unintended recipients to update their NAV.