Question

which two types of memory buffering techniques are used by switches? (choose two.)
long - term memory buffering
port - based memory buffering
shared memory buffering
short - term memory buffering
question 4
what feature automatically negotiates the best speed and duplex setting between interconnecting devices?
auto - mdix
autobots
autonegotiation
autotune

Explanation:

Switches commonly use port - based memory buffering which allocates buffer space per port, and shared memory buffering where a common memory pool is used for all ports. Autonegotiation is the feature that automatically negotiates the best speed and duplex setting between interconnecting devices.

Answer:

For the first question:
B. Port - based memory buffering
C. Shared memory buffering
For the second question:
C. Autonegotiation