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.
How can you reduce the administrative burden of distributing symmetric keys for your employer?
A . Use certificate authority to distribute private keys
B . Symmetrically encrypt the key and then use asymmetric encryption to unencrypt it
C . Use a self-generated key on both ends to eliminate the need for distribution
D . Use asymmetric encryption for the automated distribution of symmetric key
Answer: D