Free CCNA Certification Quiz

Answer the test questions below and click the Mark Test button at the bottom of the page to see your score.
Answer 50 questions with an overall score of 50% or above and get on our Hi-Scores page!

Q 1.) What is the data rate of the D Channel of ISDN BRI?

64kbps
16kbps
128kbps
128kbs

Q 2.) Amongst other information, what will the output of the show cdp neighbor command provide you with?

Device ID
Bandwidth
Routing protocol
Mac address
Config register

Q 3.) What is used at the Transport layer to prevent a receiving host's buffer overflowing?

Acknowledgments
Flow control
Windowing

Q 4.) What is the correct sequence of Spanning Tree states?

Blocking, Listening, Learning, Forwarding, Disabled
Disabled, Blocking, Listening, Learning, Forwarding
Learning, Listening, Forwarding, Disabled, Blocking
Listening, Learning, Forwarding, Blocking, Disabled


Q 5.) Which is the odd one out?

IS-IS
OSFP
RIP
NLSP

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