Evening Cohorts
Network Troubleshooting for First Responders
Evening-friendly sessions for analysts who touch network symptoms first. You will follow a repeatable signal path, document what you ruled out, and package evidence for senior engineers. Includes physical layer checks and basic switch port interpretation without promoting unsafe changes.
Tuition (informational)
980,000 KRW
Installment details appear in enrollment docs. See Returns & Refunds.
Request informationWhat the modules stress
- Layered checklist printable for your desk
- Capture exercises with anonymized traces
- VLAN vocabulary primer aligned to employer interviews
- Escalation brief template with timestamps
- Partner scenarios drawn from Evening Cohorts scheduling blocks
- Optional campus traceroute lab in Seoul
- Reflection journal reviewed by a lab mentor
Outcomes you can evidence
- Narrow a connectivity complaint to one of five common buckets.
- Produce a concise escalation packet another engineer can act on quickly.
- Explain Wi-Fi vs LAN symptoms accurately to non-technical owners.
Lead facilitator
Evelyn Cho
Wireless engineer turned educator; leads weekend field walks for cohorts.
Logistics questions
We provide loaner cable testers during optional campus labs only; personal adapters are not included in tuition.
We stay OS-neutral at the help-desk layer—no shell scripting requirement.
You may attend a backup lab window within the same month when seats exist.
Peer commentary
“The Network Troubleshooting for First Responders escalation brief finally stopped my team from pinging seniors with “internet feels slow.””
Campus & phone
101-1, Hyeondaeuseongapateu, Hagye 2(i)-dong, Nowon-gu, Seoul, Korea