PCPP2 Network Programming Practice Question
Which TWO of the following are differences between TCP and UDP?
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 has higher overhead than UDP.
TCP is reliable and connection-oriented, whereas UDP is connectionless and unreliable.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
UDP is connection-oriented.
Why it's wrong here
UDP is connectionless.
- ✗
UDP is always faster than TCP in every network condition.
Why it's wrong here
Performance depends on the application, not just the protocol.
- ✓
TCP has higher overhead than UDP.
Why this is correct
Handshaking and flow control add overhead to TCP.
- ✓
TCP guarantees packet delivery.
Why this is correct
TCP includes retransmission of lost packets.
- ✗
TCP supports multicasting natively.
Why it's wrong here
UDP is typically used for multicasting.
Visual reference
About these practice questions
Courseiva writes every PCPP2 question from scratch — 194 in total, each with an explanation and a wrong-answer breakdown. None are copied from real exams or dumps. Learn why practice questions differ from exam dumps →
JA
Written and reviewed by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
Last reviewed August 2026 · checked against the official Python Institute exam blueprint
This PCPP2 practice question is part of Courseiva's free Python Institute 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 PCPP2 exam.