Just don't let it expire after 3 years like I didThe 1 exam route was ok but you need to know your networking basics pretty well.
The whole SDN is putting me off networking a bit. As someone else said, F5 or Netscaler path might be the way to go as those things are not going anywhere anytime soon.
I went on F5 training course and the trainer said the exams can be brutal

Luckily each CCNP exam I do now (there are 3) will bump my CCNA I had this year anyway top it back up to 3 years, then aslong as you manage time ok, keep your matirial, notes etc recerting should be ok, aslong as you have enough time.
If you dont know your networking so well, I would do the 2 exam route, concentrating on ICND1 without worrying (yet) about ICND2 will let you understand it a little better and let it soak in, rather than rushing through it because you know you have ICND2 to tackle. Dont try to tackle the CCNA in one.
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