In the first and second tier cities, objectively speaking, CCNA not to mention how much salary, it is difficult to find a job.CCNP, generally speaking, are more than five or six thousand, some good, if you can reach a W. In the three or four tier cities, NA is not good to find a job, even if you find a thousand or two thousand.NP, it will be lower than the first tier cities, three or four thousand is the most common, do a good job, but only six or seven thousand. If you want to develop, it's best to go to a first-tier city.