MATCHING Identify the Letter of the Choice That Best Matches the the Phrase

Multiple Choice

MATCHING
Identify the letter of the choice that best matches the phrase or definition.
-A word,number,or phrase that must be known to decrypt or encrypt a message

A) cryptographic key
B) ciphertext
C) gateway
D) node
E) narrowband
F) infrared light
G) communications protocol
H) bandwidth
I) MAC address
J) Ethernet adapter
K) packet
L) RF signals