| Exam 210-060 | Question id=1191 | Provide End User Support |
An entire department is reporting frequent calls with poor voice quality. Which fault domain should be investigated first?
| A. |
IP phone | |
| B. |
Cisco Unified Communications Manager Media Resources | |
| C. |
Cisco Unified Communications Manager SIP Trunks | |
| D. |
network routers and switches |