This 642-642 training provides the knowledge and skills necessary to configure and troubleshoot Cisco IOS routers and switches running Quality of Service protocols in Service Provider and Enterprise environments. Jeremy Cioara provides complete coverage of the exam topics as well as great information you can use on the job right away. This training is way beyond what you'll find anywhere else. Note: Cisco has retired the 642-642 (QOS) exam from the CCVP and CCIP tracks. However, this training retains considerable value as an IT resource and counts toward numerous other Cisco certifications.
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