Access denied: Always check for protocol compatibility

Access denied: Always check for protocol compatibility

It’s easy to overlook, but when devices can’t be accessed, make sure they’re both working with the same protocol versions.

Getting more than expected from a virtual-server training exercise

Getting more than expected from a virtual-server training exercise

Sometimes it’s enough to fix an IT problem without discovering the root cause.

IT certifications: Popular and valuable but not for everyone

IT certifications: Popular and valuable but not for everyone

Getting IT certifications can earn promotions, raises, respect of peers, and higher self-esteem—and they can extend the scope of on-the-job training.

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