CCNA Exam QuestionsBrowse all questions from this exam

CCNA Exam - Question 30


What is the difference regarding reliability and communication type between TCP and UDP?

Show Answer
Correct Answer: D

TCP (Transmission Control Protocol) is known for being a reliable and connection-oriented protocol. This means it ensures the delivery of data packets in the correct order and retransmits lost packets if necessary. On the other hand, UDP (User Datagram Protocol) is not reliable and is a connectionless protocol. This means it sends data without establishing a connection and does not guarantee the order or delivery of packets.

Discussion

15 comments
Sign in to comment
[Removed]Option: D
Dec 27, 2022

Ref: Difference between TCP and UDP: Comparison in 2022 - IP With Ease “… Key points of difference between TCP and UDP … • TCP is the connection-oriented protocol while UDP is connectionless protocol. • TCP is more reliable than UDP. …” A. TCP is reliable and is a connectionless protocol; UDP is not reliable and is a connection-oriented protocol. Wrong answer. B. TCP is not reliable and is a connectionless protocol; UDP is reliable and is a connection-oriented protocol. Wrong answer. C. TCP is not reliable and is a connection-oriented protocol; UDP is reliable and is a connectionless protocol. Wrong answer. D. TCP is reliable and is a connection-oriented protocol; UDP is not reliable and is a connectionless protocol. Correct answer.

HansainOption: D
Sep 16, 2022

D is correct

kentsing
May 10, 2022

D is correct

Kaizer5Option: D
Jun 13, 2022

D is correct

braeiv123
Sep 26, 2022

D is correct

Hanagaki_ShinjiroOption: D
Aug 27, 2023

There's no doubt about D is correction

FIsheatvege
Aug 21, 2024

TCP: Talk Clearly, Please; UDP: UnReliable, Dropped Packets

ZUMY
Apr 15, 2021

D is correct

Giuseppe_001
May 11, 2021

D is correct

ragekod
Oct 4, 2021

D is correct

Nebulise
Feb 2, 2022

D is correct

DARKKOption: D
May 9, 2022

D is correct

Abdulrahman94
Jun 8, 2023

d is the right answer

Hanagaki_Shinjiro
Aug 27, 2023

There's no doubt about D is correction

shellfighterOption: D
Apr 8, 2025

Answer D is the correct one