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DSCP value

802.1p value

IP DF bit

TCP/UDP port numbers

HTML version number

PE1 is the master.

The system-ID used by the CE device is 60:2c:ff:00:00:00.

The Admin Key used by the CE device is 40000.

There is a configuration error between the two MC peers.

The EXP bits in the MPLS header.

The packet's source and destination IP addresses.

The service ID of the service to which the SAP belongs.

The dot1p bits in the frame header.

The packet's Ethertype.

A device that provides no differentiation between customer traffic flows.

A device that classifies and marks customer traffic.

A device that uses MPLS EXP bits to differentiate between traffic flows.

A device that creates macroflows towards the core from multiple customer sites.

A device that passes macroflows while optionally changing QoS markings.

8

16

6

4

3

It will be discarded because the high-priority-only threshold is exceeded.

It will be queued but re-marked as "out-of-profile."

It will be queued in the reserved portion of the buffer pool and remain "in-profile."

It will be queued in the shared portion of the buffer pool but contend for shared buffer space with packets from other queues.

It will be queued in the shared portion of the buffer pool but may be dropped if the buffer utilization exceeds the start-average value of the low slope.

Option A

Option B

Option C

Option D

A point in the network where EXP bits can be mapped to one of eight predefined FCs, each one with its own queue.

A logical point in a service tunnel where all of customer traffic is aggregated.

A point at which the initial classification of customer traffic occurs.

A point in the network where QoS parameters are discarded in favor of lower-level hardware queuing functions, such as LLI (Link Layer Interleave).

A point in the network where traffic flows from multiple different services are queued together, based on forwarding class.

1 multipoint and 8 unicast.

8 queues, regardless of traffic type.

8 unicast and 24 multipoint.

8 unicast and 8 multipoint.

16 queues, distributed as desired.

8

3

4

5

6

Simplifies signaling.

Reduces core's forwarding database size.

Simplifies MDU configuration.

Enables a scalable inter-domain solution.

Defining the slope of the TCP slow-start mechanism for self generated traffic.

Defining the slope of the scheduling rate per forwarding class when using HQoS.

Defining the high and low slope values when deploying buffer admission control for UDP traffic in the committed buffer pool.

Defining the high and low slope values when deploying buffer admission control for TCP traffic in the shared buffer pool.

Defining the high and low slope values when deploying buffer admission control for TCP traffic in the committed buffer pool.

Link LDP or MP-BGP

Link LDP or RSVP-TE

T-LDP or MP-BGP

T-LDP or RSVP-TE

Level 8 within CIR.

Level 8 between CIR and PIR.

Level 8, once all PIR is serviced.

Level 1 within CIR.

Level 1 between CIR and PIR.

Level 1, once all PIR is serviced.

A customer is complaining that his VoIP traffic is being dropped even though it is sending the correct DSCP markings. Packets are not being dropped on ingress.

A customer is complaining that his VoIP traffic is being dropped even though it is sending the correct DSCP markings. Packets are being dropped on ingress.

A commercial builder has requested numerous dot1Q epipes, VPRNs, and VPLS services to a business park and is only paying up to a maximum 200Mbps.

An equipment manufacturer has requested a NULL epipe service that will transparently pass dot1Q between the new location and national headquarters.