CCNA Past Questions and Answers

CCNA Past Questions and Answers

Are you preparing for the CCNA certification exam? In this blog post, we have compiled a list of past questions
and answers to help you in your CCNA exam preparation. This collection of questions covers various topics,
including network fundamentals, LAN switching technologies, routing technologies, WAN technologies, network
services, and more. It is essential to practice with past questions as they give you an idea of the exam format
and help gauge your preparedness. Let’s dive into the CCNA past questions and answers to enhance your
knowledge and improve your chances of success in the exam.

1. Network Fundamentals

Question 1: What is the purpose of the network layer in the OSI model?
Answer: The network layer is responsible for logical addressing and routing of packets between different networks.

Question 2: What is the default subnet mask for a Class C IP address?
Answer: The default subnet mask for a Class C IP address is 255.255.255.0.

2. LAN Switching Technologies

Question 3: What is the purpose of the Spanning Tree Protocol (STP)?
Answer: The Spanning Tree Protocol is used to prevent layer 2 loops in a switched network by selecting a root
bridge and placing redundant links in a blocking state.

Question 4: What is VLAN hopping?
Answer: VLAN hopping is a security vulnerability where an attacker can send frames to a switchport belonging to
a different VLAN and gain unauthorized access to that VLAN.

Conclusion

In this blog post, we have covered a range of CCNA past questions and answers to help you prepare for the
certification exam. Remember, practice is key to success in any exam, and reviewing past questions gives you a
valuable understanding of the exam format and concepts. Ensure you thoroughly understand each question and
answer, as it will strengthen your overall knowledge in networking. Good luck with your CCNA exam
preparation!

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