問題文
An engineer reads a packet capture taken while an ICMP-based agent-to-server measurement was running, and sees that the replies arrive out of order. How does the documentation say the agent still derives latency, jitter and loss from that stream?
選択肢
- It sends up to 10 echo requests, pairs each reply with its request through the sequence number that the target copies over, and reads the loss figure out of the path trace hops.
- It sends up to 50 connection requests, pairs each reply with its request through the sequence number that the target copies over, and reads the loss figure out of the reset packets it sends afterwards.
- It sends up to 50 echo requests, pairs each reply with its request through the arrival order of the stream, and reads the loss figure out of the type field of the last reply.
- It sends up to 50 echo requests, pairs each reply with its request through the sequence number that the target copies over, and counts the replies to derive the loss figure.