400-051 Dumps

Jan/2019 400-051 VCE Dumps 721Q Free Download from Braindump2go[Q222-Q232]

January/2019 Braindump2go 400-051 Exam Dumps with PDF and VCE New Updated Today! Following are some new 400-051 Real Exam Questions: QUESTION 222In Cisco IOS routers, which chipset is the PVDM2-32 DSP hardware based on? A. C5441B. C549C. C5510D. C5421E. Broadcom 1500 Answer: C QUESTION 223Which two analog telephony signaling methods are most vulnerable to glare conditions? (Choose two.) A. FXS Loop-startB. FXO Ground-startC. E&M Wink-startD. E&M Delay-dialE. E&M Immediate-startF. E&M Feature Group D Answer: AEExplanation:The loop start signaling method is more common and is typically used by residential phone lines.When a voice port is configured with loop start signaling, the device (telephone) closes the circuit loop that signals the CO voice port to provide dial tone; an incoming call is signaled on the CO by supplying a predefined voltage on the line. The loop start signaling method has one main disadvantage in that it has no method of preventing both…

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