Posted: June 21st, 2016

In regards to Securing IP Telephony, what are the most common types of security risks to data networks today?

1. In regards to Securing IP Telephony, what are the most common types of security risks to data networks today?
2. What makes coaxial cable popular among broadband applications to customer premises? Discuss its advantages.
3. Discuss at least two advantages of call accounting software in a PBX.
4. Briefly explain the importance of a Gateway in the VoIP infrastructure.
5. Describe at least two basic troubleshooting tools that are used for VoIP networks to debug infrastructure issues.
6. What is a TMN? Discuss at least two Management Layers of TMN
7. What are the advantages and disadvantages of replacing a traditional PBX-type phone system with a Wireless IP phone?
8. List and define the network elements or “network boxes” that are required to implement a VoIP network.
9. Describe what a converged network is and what benefits are derived from that.
10. Is there still a need for QoS if a VoIP infrastructure is engineered for overcapacity, where the largest trunks and fastest network elements are installed in a network? Please explain and provide examples.