____ Is an 802

question 21

Multiple Choice

____ is an 802.11n feature that allows two adjacent 20-MHz channels to be combined to make a 40-MHz channel.

• A) Channel bonding
• B) Channel aggregation
• C) Frame aggregation
• D) Frame bonding

---

Definitions:

Synaptic Vesicles

Vesicles located within the presynaptic part of a nerve cell that encase neurotransmitters.

Synaptic Cleft

The extremely small gap between neurons at a synapse, through which neurotransmitters are released from one neuron to affect another.

Presynaptic Terminal

The end portion of an axon, responsible for releasing neurotransmitters into the synaptic cleft to communicate with a neighboring neuron's dendrite.

Sarcolemma

The cell membrane of a muscle fiber that encloses its cytoplasm and helps transmit action potentials.