CCNA: Cisco Certified Network Associate — Question 157

Which feature or protocol is required for an IP SLA to measure UDP jitter?

Answer options

• A. LLDP
• B. EEM
• C. CDP
• D. NTP

Correct answer: D

Explanation

NTP (Network Time Protocol) is essential for IP SLA to accurately measure UDP jitter, as it synchronizes the clocks of devices to ensure precise timing of packet transmission. LLDP, EEM, and CDP do not provide the necessary timing synchronization required for jitter measurement.