CCST Networking study guide
CCST Networking · Work through your exam, one topic at a time.
The Cisco Certified Support Technician (CCST) Networking credential is an entry-level certification from Cisco aimed at people starting a career in networking or support roles. It suits students, career changers, and help-desk staff who want a documented foundation in how networks work before moving on to more advanced Cisco certifications. The CCST Networking study guide has 5 sections and about 1,962 words.
01Standards and Concepts
Domain 1 of CCST Networking tests the vocabulary and models that everything else sits on: the OSI and TCP/IP models, encapsulation, standards bodies, protocol behavior, and the basic ways networks are described. Expect questions that ask you to place a protocol or device at the correct layer and to follow a packet from application to wire.
375 words, about 2 min02Addressing and Subnet Formats
This domain tests IPv4 and IPv6 addressing, subnet masks and CIDR notation, public versus private ranges, and MAC address structure. You need to calculate usable host ranges quickly and recognize when an address belongs to the wrong subnet.
382 words, about 2 min03Endpoints and Media Types
This domain covers endpoint devices and the physical media that connect them: copper and fiber cabling, connectors, Ethernet standards, Power over Ethernet, and wireless standards. Questions often ask you to select the right medium for a distance, speed, or power requirement.
405 words, about 2 min04Infrastructure
Infrastructure questions cover the devices, segmentation, and connectivity that make a network work: routers, switches, access points, firewalls, VLANs, trunking, Spanning Tree Protocol, WAN links, NAT, and cloud models. You should be able to explain what each device does and how traffic moves between segments.
403 words, about 2 min05Diagnosing Problems
This domain tests a structured troubleshooting approach and the commands used to isolate faults. Questions present a symptom and ask for the most likely cause or the next best check.
397 words, about 2 min