Which statement about the IP SLAs ICMP Echo operation is true?
- The frequency of the operation .s specified in milliseconds.
- It is used to identify the best source interface from Which to send traffic.
- It is configured in enable mode.
- It is used to determine the frequency of ICMP packets.
Explanation: The ICMP Echo operation measures end-to-end response time between a Cisco router and any devices using IP. Response time is computed by measuring the time taken between sending an ICMP Echo request message to the destination and receiving an ICMP Echo reply. Many customers use IP SLAs ICMP-based operations, in-house ping testing, or ping-based dedicated probes for response time measurements.
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