200-901 Network Fundamentals Practice Question
During a TCP three-way handshake, which sequence of flags is sent from the client to initiate the connection?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
SYN
The client sends a SYN segment to start the handshake.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
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SYN-ACK
Why it's wrong here
SYN-ACK is sent by the server in response.
- ✓
SYN
Why this is correct
Correct. The client sends SYN to initiate.
- ✗
ACK
Why it's wrong here
ACK is sent by the client in the third step.
- ✗
FIN
Why it's wrong here
FIN is used to terminate a connection.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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