Voice over IP FundamentalsA systematic approach to understanding the basics of Voice over IP
* Understand the basics of PSTN services and IP signaling protocols, including SS7 * Learn how VoIP can run the same applications as the existing telephony system, but in a more cost-efficient and scalable manner * Delve into such VoIP topics as jitter, latency,... | | | | CompTIA Project+ Study Guide: Exam PK0-003
Prepare for CompTIA's newly updated Project+ certification exam
CompTIA is offering the first major update to its Project+ certification in six years, and this in-depth study guide from project management industry experts Kim and William Heldman is the perfect preparation for the new exam. You'll find complete... |
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