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JN0-643 · Question #110

A network administrator is configuring CoS on a switch and assigns forwarding classes call-sig and critical to the same queue number per the configuration below: class-of-service {…

The correct answer is C. Assign a loss priority of high to the packets in the critical forwarding class and configure drop. See the full explanation below for the reasoning.

Question

A network administrator is configuring CoS on a switch and assigns forwarding classes call-sig and critical to the same queue number per the configuration below:

class-of-service { forwarding-classes { class best-effort queue-num 0; class bulk-data queue-num 1; class critical queue-num 3; class voice queue-num 6; class call-sig queue-num 3; } } Based on the configuration, which option prioritizes call-sig traffic over critical traffic?

Options

  • AAssign call-sig and critical to different schedulers.
  • BAssign call-sig and critical to different scheduler maps.
  • CAssign a loss priority of high to the packets in the critical forwarding class and configure drop
  • DAssign a loss priority of high to the packets in the critical forwarding class and set priority high in

How the community answered

(32 responses)
  • A
    6% (2)
  • B
    9% (3)
  • C
    81% (26)
  • D
    3% (1)

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Full JN0-643 Practice