Well, choosing the course depends on your interests and the career that you are seeking.

MCSE and CCNA these days are a most, both of them are the lower level that any network engineer should have.

MCSE is dealing with windows products such as MS Windows 2003, Exchange and ISA servers .. it would be more in the Software Installation and Administration part.

CCNA is dealing with CISCO products, such as routers, firewalls and other things and mainly it would be dealing with the Hardware configuration issues or integrating those with a windows based network or Unix/Linux. CCNA is depending on the commands to configure these machines on Linux. So before you go for CCNA, you should have the basics of Linux.

Both of them got a good future and in the end it depends on you. My opinion is to go for both, but not in the same time. When you are done ith one, start with the other one. Seeing an integration between Windows as an operating system and CISCO hardware.

Best Regards

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