This is a nontechnical question,that i want to ask from the talents from this domain ,is it sufficient to start as a fresher in the industry on ccna routing and switching core profile,if not please let me know.
First you have basic knowledge of LAN and WAN.You must know about cybersecurity as this cyber crime are increasing day by day.You must have knowledge of Linux.You must have communication skills to increase chance of success in this field.