CCST Cheat Sheet 2026

The 30 highest-yield CCST facts, distilled from real exam questions. Print it, save it as a PDF, or study it here — free, no sign-up.

1. Which wireless mode allows an access point to connect to a wired network and provide wireless connectivity to clients? → Infrastructure mode
2. What does ipconfig /all show? → Network config
3. What type of cable is required to directly connect two switches together without an uplink port? → Crossover cable
4. What is the purpose of Syslog in a network environment? → To collect and store log messages from network devices for monitoring and troubleshooting
5. What is the PRIMARY purpose of obtaining CCST certification in Cisco Certified Support Technician Networking? → To demonstrate verified competency and adherence to professional standards
6. What is the purpose of a VLAN (Virtual Local Area Network)? → To logically segment a physical network into separate broadcast domains
7. What command shows active connections? → Netstat
8. Which protocol is used to transfer Cisco IOS images and configuration files to and from a router or switch using a simple, lightweight file transfer mechanism? → TFTP
9. What is two-factor authentication? → Two login methods
10. Which command on a Cisco router shows the current routing table including all known routes? → show ip route
11. Which layer of the OSI model is responsible for routing? → Network layer
12. What is the MOST effective way for new CCST professionals to build competency? → Combining formal education, mentored practice, and ongoing professional development
13. Which foundational principle is MOST important for success in Cisco Certified Support Technician Networking? → Commitment to continuous learning, ethical practice, and quality outcomes
14. What is the PRIMARY benefit of data-driven decision making in Cisco Certified Support Technician Networking? → It provides objective evidence to support decisions, reduce bias, and track outcomes
15. Which model has 7 layers of networking? → OSI model
16. Which protocol is used to synchronize the clocks of devices across a network? → NTP
17. What is the BEST strategy for resource allocation in Cisco Certified Support Technician Networking management? → Match resources to priorities based on needs, risks, and strategic goals
18. Which DNS record type is used for reverse DNS lookups, mapping an IP address back to a hostname? → PTR
19. What is the MOST effective way for new CCST professionals to build competency? → Combining formal education, mentored practice, and ongoing professional development
20. Which foundational principle is MOST important for success in Cisco Certified Support Technician Networking? → Commitment to continuous learning, ethical practice, and quality outcomes
21. What is the purpose of a wireless channel in an 802.11 network? → To divide the frequency band into smaller segments to reduce interference
22. When documenting assessment findings in CCST practice, which approach is MOST appropriate? → Record objective findings, measurements, and observations factually
23. When planning a project in Cisco Certified Support Technician Networking, which element should be established FIRST? → Clear objectives, scope, and success criteria
24. What is the well-known port used by Telnet? → 23
25. Which statement BEST describes the relationship between Cisco Certified Support Technician Networking certification and industry evolution? → Requirements evolve periodically to reflect advances in knowledge and practice
26. Which protocol does a Cisco router use by default to dynamically learn routes from other Cisco routers in an enterprise network? → EIGRP
27. What does QoS (Quality of Service) provide in a network infrastructure? → Prioritization of specific traffic types to ensure performance for critical applications
28. How frequently should ongoing assessments be conducted in Cisco Certified Support Technician Networking practice? → At regular intervals and as conditions change
29. Which device operates at Layer 3 of the OSI model and makes forwarding decisions based on IP addresses? → Router
30. What is the function of ARP (Address Resolution Protocol)? → Resolve IP addresses to MAC addresses on a local network