Which of the following is a Layer 2 WAN protocol?
A. Point-to-Point Protocol (PPP)
B. Simple Network Management Protocol (SNMP)
C. Transmission Control Protocol (TCP)
D. Internet Protocol (IP)
Which of the following is a Layer 2 WAN protocol?
A. Point-to-Point Protocol (PPP)
B. Simple Network Management Protocol (SNMP)
C. Transmission Control Protocol (TCP)
D. Internet Protocol (IP)