200-901 Network Fundamentals Practice Question
A developer is designing a system that requires high reliability and ordered data delivery. The developer chooses TCP. Which THREE features are provided by TCP?
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
✓
Flow control using window size
TCP provides a three-way handshake, sequence numbering for ordering, and flow control.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
Flow control using window size
Why this is correct
TCP uses sliding window for flow control.
- ✗
Multicast support
Why it's wrong here
TCP is unicast only; multicast is typically over UDP.
- ✗
Simple header with minimal overhead
Why it's wrong here
UDP has minimal overhead; TCP has larger headers.
- ✓
Connection-oriented communication using a three-way handshake
Why this is correct
TCP establishes a connection before data transfer.
- ✓
Sequencing and retransmission of lost packets
Why this is correct
TCP uses sequence numbers and ACKs for reliability.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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