So, did you just waste your time searching?
While the exam is gone, The new CCNA (200-301) just added a little security, a little automation, and wireless to the mix. The core—OSPF, spanning tree, VLANs, IPv4/IPv6, subnetting—is still the king of the castle. cisco ccna routing and switching pdf
P.S. If you find a PDF from 2019 that still has "Frame Relay" in it, run away. Fast. So, did you just waste your time searching
But here is the uncomfortable truth that most study guides won't tell you: a little automation
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