#34. A customer requests to have the security system monitored through the phone line to a central office. Which of the following types of interfaces should be used to connect the security system to the plain old telephone system (POTS) phone line and give transmission priority to the security system?
#35. A local Internet Service Provider (ISP) installed a new DSL service and DSL modem for highspeed Internet access. The Internet connection is up and working. However there us a low humming noise on the phones, and voice calls are degraded.Which of the following is the probable cause for this voice degradation?
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