200-901 Network Fundamentals Practice Question
An application requires reliable, ordered delivery of data with flow control and retransmission of lost segments. Which transport layer protocol should the developer choose and what is a key characteristic of this protocol?
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
✓
TCP; it uses a three-way handshake for connection establishment
TCP provides reliability, ordering, flow control, and retransmission. It uses a three-way handshake to establish a connection.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
TCP; it uses a three-way handshake for connection establishment
Why this is correct
TCP is connection-oriented and uses a SYN-SYN/ACK-ACK handshake.
- ✗
UDP; it provides ordered delivery through sequence numbers
Why it's wrong here
UDP does not guarantee ordering.
- ✗
TCP; it has lower overhead than UDP
Why it's wrong here
TCP has higher overhead due to reliability mechanisms.
- ✗
UDP; it uses a three-way handshake for connection establishment
Why it's wrong here
UDP is connectionless and does not use a three-way handshake.
Visual reference
Go deeper
Related to this question
About these practice questions
One of 989 original 200-901 practice questions on Courseiva, each with a full explanation and wrong-answer analysis — not exam dumps or protected exam content. Learn why practice questions differ from exam dumps →
JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
This 200-901 practice question is part of Courseiva's free Cisco certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the 200-901 exam.