CCNA 200-301 Practice Exam: 120 Questions Covering All Topics (2025 Edition)



Are you preparing for the CCNA 200-301 exam in 2025? We've got you covered! Below is a complete set of 120 CCNA practice questions that comprehensively cover all domains of the official CCNA exam blueprint. Test your knowledge and identify areas where you need more focus. Answers are provided at the end of the blog.

Network Fundamentals (20 Questions)

  1. What is the purpose of the OSI model?

  2. Which layer of the OSI model is responsible for logical addressing?

  3. What is the default subnet mask for a Class B address?

  4. Which cable type is used to connect a PC to a switch?

  5. Which command is used to test connectivity between two hosts?

  6. What does a MAC address uniquely identify?

  7. Which protocol is used to assign IP addresses automatically?

  8. What is the binary equivalent of 192?

  9. How many bits are in an IPv4 address?

  10. Which layer of the OSI model handles end-to-end delivery?

  11. What type of address is 169.254.x.x?

  12. Which topology uses a central device to connect all nodes?

  13. What is the function of ARP?

  14. What is the decimal equivalent of binary 11111111?

  15. Which protocol resolves domain names to IP addresses?

  16. What device separates broadcast domains?

  17. Which class of IP addresses offers the most host addresses?

  18. What is the first valid host in the 192.168.1.0/24 network?

  19. What protocol provides connection-oriented communication?

  20. What is the loopback address in IPv4?

Network Access (15 Questions)

  1. Which protocol is used for VLAN trunking?

  2. Which command assigns a port to VLAN 10 on a switch?

  3. What is the default VLAN on Cisco switches?

  4. Which protocol prevents loops in a switched network?

  5. What is the purpose of a switchport in access mode?

  6. Which port security mode shuts the port down when a violation occurs?

  7. What does the show vlan command display?

  8. How does a switch learn MAC addresses?

  9. Which command enables a port on a Cisco switch?

  10. What is the range of VLANs that can be created?

  11. What protocol does STP use to prevent loops?

  12. Which type of port connects two switches together?

  13. What is the maximum number of VLANs on a switch?

  14. What type of address does a switch use to make forwarding decisions?

  15. Which command shows the port security configuration?

IP Connectivity (25 Questions)

  1. Which routing protocol uses hop count as a metric?

  2. What does the "O" signify in the routing table?

  3. Which command displays the routing table?

  4. What is the administrative distance of a static route?

  5. What protocol is used to find the best path in a network?

  6. What is the function of a default gateway?

  7. What command configures a static route in Cisco IOS?

  8. What is the metric used by OSPF?

  9. Which protocol is a link-state routing protocol?

  10. How do routers share routing information in RIP?

  11. What is the purpose of CIDR?

  12. What happens if a route is not found in the routing table?

  13. What command is used to verify interface IP configurations?

  14. Which layer of the OSI model does routing occur?

  15. What command disables an interface on a router?

  16. What is the loop prevention mechanism in distance vector routing?

  17. Which routing protocol supports VLSM?

  18. How do routers exchange updates in OSPF?

  19. What type of route is created by the ip route command?

  20. What is the difference between static and dynamic routing?

  21. Which address is used for all OSPF routers?

  22. What command sets the router ID in OSPF?

  23. Which protocol converges the fastest?

  24. What command enables routing on a Cisco router?

  25. Which protocol is best for large enterprise networks?

IP Services (15 Questions)

  1. What port does DNS use?

  2. Which command verifies NAT operation on a router?

  3. What type of NAT maps one private IP to one public IP?

  4. What is PAT?

  5. Which command shows DHCP bindings?

  6. What is the function of SNMP?

  7. What port does HTTP use?

  8. Which command configures a DHCP pool?

  9. What command displays active NAT translations?

  10. What port does HTTPS use?

  11. What protocol is used to synchronize time?

  12. Which port does Telnet use?

  13. What is the function of Syslog?

  14. What is a floating static route?

  15. Which command configures DNS on a Cisco device?

Security Fundamentals (15 Questions)

  1. What does Port Security protect against?

  2. Which command enables SSH on a Cisco router?

  3. What is the default privilege level for a user in EXEC mode?

  4. Which protocol encrypts all management traffic?

  5. What command secures console access with a password?

  6. What command disables unused ports?

  7. What is the purpose of an ACL?

  8. What command creates a numbered ACL?

  9. Which type of ACL filters traffic based on source IP?

  10. Which command applies an ACL to an interface?

  11. What is the purpose of the login command under line configuration?

  12. What is the difference between standard and extended ACLs?

  13. What port does SSH use?

  14. What is a security best practice for passwords?

  15. What command encrypts all passwords in the config file?

Automation and Programmability (10 Questions)

  1. Which protocol is used for network automation and configuration?

  2. What is the benefit of using APIs in networking?

  3. What is a characteristic of software-defined networking (SDN)?

  4. What is REST?

  5. Which data format is commonly used in APIs?

  6. What is the role of a controller in SDN?

  7. What does Ansible do in network automation?

  8. What is a Python library commonly used for networking?

  9. What is the purpose of JSON?

  10. What is a common method of accessing network devices programmatically?

Wireless Fundamentals (10 Questions)

  1. What frequency bands are used in Wi-Fi?

  2. What is the maximum theoretical speed of 802.11ac?

  3. What is SSID?

  4. Which encryption protocol is most secure for wireless?

  5. What is the purpose of a wireless controller?

  6. What does WPA2 stand for?

  7. What is the function of a wireless access point?

  8. What causes Wi-Fi interference?

  9. What is the difference between 2.4GHz and 5GHz bands?

  10. What is the purpose of wireless channel selection?

Answers

Network Fundamentals: 1-B, 2-C, 3-B, 4-C, 5-ping, 6-NIC, 7-DHCP, 8-11000000, 9-32, 10-Transport, 11-APIPA, 12-Star, 13-IP-to-MAC resolution, 14-255, 15-DNS, 16-Router, 17-Class A, 18-192.168.1.1, 19-TCP, 20-127.0.0.1

Network Access: 21-802.1Q, 22-switchport access vlan 10, 23-1, 24-STP, 25-VLAN assignment, 26-shutdown, 27-VLAN table, 28-MAC learning, 29-no shutdown, 30-1 to 4094, 31-BPDUs, 32-Trunk, 33-4094, 34-MAC address, 35-show port-security

IP Connectivity: 36-RIP, 37-OSPF, 38-show ip route, 39-1, 40-Routing Protocols, 41-Gateway, 42-ip route, 43-Cost, 44-OSPF, 45-Periodic Updates, 46-Subnetting flexibility, 47-Drop packet, 48-show ip interface brief, 49-Network, 50-shutdown, 51-Split horizon, 52-OSPF, 53-Link-state advertisements, 54-Static, 55-Manual vs Automatic, 56-224.0.0.5, 57-router-id, 58-OSPF, 59-ip routing, 60-OSPF

IP Services: 61-53, 62-show ip nat translations, 63-Static NAT, 64-Port Address Translation, 65-show ip dhcp binding, 66-Monitoring, 67-80, 68-ip dhcp pool, 69-show ip nat translations, 70-443, 71-NTP, 72-23, 73-Log messages, 74-Backup route, 75-ip name-server

Security Fundamentals: 76-Unauthorized access, 77-transport input ssh, 78-1, 79-SSH, 80-password, 81-shutdown, 82-Traffic filtering, 83-access-list, 84-Standard, 85-ip access-group, 86-enable password protection, 87-Source vs Source+Dest, 88-22, 89-Complex password, 90-service password-encryption

Automation and Programmability: 91-REST API, 92-Automation, 93-Decoupled control/data plane, 94-API style, 95-JSON, 96-Network control, 97-Configuration management, 98-Netmiko, 99-Data formatting, 100-REST API

Wireless Fundamentals: 101-2.4GHz/5GHz, 102-1.3Gbps, 103-Network name, 104-WPA3, 105-Manage APs, 106-Wi-Fi Protected Access 2, 107-Connectivity, 108-Interference sources, 109-Speed vs Range, 110-Avoid overlap

Final Tip: Practice regularly and simulate real exam scenarios. Don’t just memorize — understand the why behind each concept. 

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