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CCNA® Voice Study Guide by Andrew Froehlich

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About the Author

Andrew Froehlich, CCNA, CCDA, CCNA-Voice, CCNP, CCSP, CCDP, F5 systems engineer, is the president of West Gate Networks, a network and IT consulting firm based in Chicago. Andrew also holds the position of network architect at the University of Chicago Medical Center. In the past, Andrew has performed network design and support for large companies, including State Farm Insurance and United Airlines. In addition to having more than 12 years of network experience, he holds a degree in Management Information Systems from Northern Iowa University and a master of business administration degree from Northern Illinois University. He is also a freelance writer for IT publications, including Network World magazine. Andrew's most recent ...

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