Scenario: Your company has many encrypted telecommunications links for their world-wide operations. Physically distributing symmetric keys to all locations has proven to be administratively burdensome, but symmetric keys are preferred to other alternatives.
Symmetric encryption in general is preferable to asymmetric encryption when:
A . The number of unique communication links is large
B . The distance to the end node is farthest away
C . The volume of data being transmitted is small
D . The speed of the encryption / deciphering process is essential
Answer: D