nerdexam
Cisco

640-461 · Question #81

Which command is useful to see if network layer information is being received at a PSTN gateway?

The correct answer is D. show isdn status. See the full explanation below for the reasoning.

Question

Which command is useful to see if network layer information is being received at a PSTN gateway?

Options

  • Ashow gateway status
  • Bshow isdn q931
  • Cshow c cm-manager status
  • Dshow isdn status
  • Eshow isdn q921

How the community answered

(47 responses)
  • A
    2% (1)
  • B
    15% (7)
  • C
    4% (2)
  • D
    77% (36)
  • E
    2% (1)

Community Discussion

No community discussion yet for this question.

Full 640-461 Practice