A Company Wants to Prioritize Voice Traffic at Their Network

question 246

Multiple Choice

A company wants to prioritize voice traffic at their network edge and ensure that it has reserved some minimum bandwidth and treated with priority in the core. QoS is not currently implemented in the core, but MPLS with RSVP as the signaling protocol is already enabled. Which three actions do you recommend to optimize the voice traffic in the core with the minimal changes? (Choose three.)

• A) Create GRE tunnels throughthe core and configure PBR to forward the voice traffic into those tunnels.
• B) Enable LDP throughout the core and configure PHB queueing policies based on the MPLS EXP field.
• C) Perform class-based tunnel selection to forward voice packets through MPLS tunnels in the core based on the DSCP value.
• D) Create RSVP tunnels through the core, reserving a minimum bandwidth for voice traffic.
• E) Configure PHB queueing policies on every core node based on the DSCP value.
• F) Mark the voice traffic at thenetwork edgewith a specific DSCP value.

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