Computer Networks - OSI and TCP/IP Models
In a network communication, a packet arrives without a port number. Which layer is likely malfunctioning?
In a network communication, a packet arrives without a port number. Which layer is likely malfunctioning?
medium📝 Analysis Q7 of 15
Step-by-Step Solution
Solution:
Step 1: Identify which layer adds port numbers
The Transport Layer adds source and destination port numbers to data segments.Step 2: Determine malfunctioning layer
If port numbers are missing, the Transport Layer likely failed to add them.Final Answer:
Transport Layer -> Option DQuick Check:
Missing ports = Transport Layer error [OK]
Quick Trick: Ports missing means Transport Layer issue [OK]
Common Mistakes:
MISTAKES- Blaming Internet Layer
- Confusing with Application Layer
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