nerdexam
Cisco

640-461 · Question #244

When you configure a T1 CAS PSTN Interface, which command instructs the router to receive its interface clocking from the service provider?

The correct answer is B. clock source line. See the full explanation below for the reasoning.

Question

When you configure a T1 CAS PSTN Interface, which command instructs the router to receive its interface clocking from the service provider?

Options

  • Alinecode b8zs
  • Bclock source line
  • Cds0-group 1 timeslots 1-24
  • Dclock source internal

How the community answered

(50 responses)
  • A
    14% (7)
  • B
    74% (37)
  • C
    8% (4)
  • D
    4% (2)

Community Discussion

No community discussion yet for this question.

Full 640-461 Practice