Information Technology Reference
In-Depth Information
Ta b l e 1 6 - 4
DSCPs for Beauty Things
Priority Queue
DSCP
Blue
AF31
Red
EF
Green
AF21
Ye l l o w
Default
Scenario Three Questions
The following questions refer to scenario three:
1.
What are the business constraints for this project?
2.
Is MPLS technology appropriate for VoIP?
3.
Assuming a g.729 codec, how much bandwidth must be allocated for VoIP packets
per store?
4.
Assuming a g.729 codec, how much bandwidth must be reserved for VoIP traffic on
the WAN link of the headquarters router?
5.
Which MPLS priority queue is assigned for VoIP traffic?
a.
Blue
b.
Red
c.
Green
d.
Ye l l o w
6.
Which MPLS priority queue is assigned for FTP traffic?
a.
Blue
b.
Red
c.
Green
d.
Ye l l o w
7.
What WAN interface solution must be used to prevent large file transfers from inter-
fer ing and c au s ing delays of VoIP packets?
a.
Priority queuing
b.
Policy routing
c.
Link fragmentation and interleaving
d.
Serialization delay
