CCNA Question of the Week

Which field in a TCP header ensures that received data can be processed in the correct order?

  1. acknowledgment number
  2. sequence number
  3. reserved
  4. options

 

The correct answer is 2.

The sequence number field in the TCP header indicates the sequence number of the first octet in the segment; it is used to ensure that the received data is processed in the correct order. The acknowledgement number indicates the sequence number of the first octet that is expected by the receiver (in the next received segment).

References:
For more questions like these, try our CCNA Cert Check

Related Courses:
ICND1 — Interconnecting Cisco Network Devices 1
ICND2 — Interconnecting Cisco Network Devices 2
CCNAX — CCNA Boot Camp v1.1

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