Case Study: Using a T1 Link as a Tie Line
Review Questions
| 1 |
Voice is sensitive to delay, jitter, and packet drops. What are the recommended maximum values for each of these? |
| 2 |
When you use the Modular QoS CLI, or MQC, what steps are involved in setting a bandwidth limit for voice traffic that is sent out an interface? |
| 3 |
Data packets can be large compared to voice packets. Why is this a problem across a WAN link, and how can you remedy it? |
| 4 |
What is the difference between fax/modem relay and passthrough? |
| 5 |
What are the two types of fax relay that Cisco routers use, and which is the default type? |
| 6 |
In which configuration mode are fax/modem commands given on MGCP gateways? How about H.323 and SIP gateways? |
| 7 |
How does SRTP protect voice media traffic? |
| 8 |
When using encrypted voice within a LAN, why is it a good idea to also encrypt traffic between the voice gateway and Cisco CallManager? |
| 9 |
How is firewall function affected if an IPsec tunnel from a remote gateway terminates on the Cisco CallManager, rather than another device? |