IT Support Levels Explained: L1, L2, L3
Tier IT support is essential for businesses to keep systems running smoothly and quickly respond to issues. This support is generally divided into three tiers Level 1 (L1), Level 2 (L2), and Level 3 (L3) that are tailored to specific types of requests.
https://www.extnoc.com/learn/g....eneral/it-support-ti
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