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Which of the following is NOT a benefit of using a spoke SDP in an H-VPLS design?

A.

Simplifies signaling.

B.

Reduces core's forwarding database size.

C.

Simplifies MDU configuration.

D.

Enables a scalable inter-domain solution.

Which of the following are possible criteria for classifying packets at the SAP-ingress? (Choose three)

A.

The EXP bits in the MPLS header.

B.

The packet's source and destination IP addresses.

C.

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

D.

The dot1p bits in the frame header.

E.

The packet's Ethertype.

Which of the following statements are TRUE regarding the PE device in a QoS enabled network? (Choose two)

A.

A device that provides no differentiation between customer traffic flows.

B.

A device that classifies and marks customer traffic.

C.

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

D.

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

E.

A device that passes macroflows while optionally changing QoS markings.

For what does a Layer 2 switch use the SA in the Ethernet frame?

A.

MAC learning

B.

SA filtering

C.

Routing table population

D.

Frame forwarding

Click the exhibit button below.

Based on the configuration of the network policy (below), what will be the forwarding class associated with a MPLS encapsulated customer packet that arrives on a dotlQ encapsulated network port 1/1/4:1 on P1 with the following characteristics:

EXP value = 6

DSCP value = cs1

Dot1pvalue = 3

A.

EF

B.

H1

C.

L1

D.

H2

E.

L2

Click the exhibit button below. Traffic arriving at router PE 1 is marked with a dot1p value of 4. Given the network policies applied on the routers in the diagram below, what is the EXP value of packets arriving at router PE 2?

Note: Only relevant portions of the network policy are shown.

A.

2

B.

3

C.

5

D.

6

E.

None of the above.

Which of the following identify the port roles of the mesh SDPs?

A)

B)

C)

D)

A.

Option A

B.

Option B

C.

Option C

D.

Option D

If traffic is destined to queue 5, which has a high-priority-only value of 0 in the network-queue policy, all out-of-profile packets will be dropped.

A.

TRUE

B.

FALSE

Which of the following statements are TRUE regarding the building of a QoS-enabled network? (Choose two)

A.

It is important that all packets are classified in the same way at all SAP-ingress points.

B.

Once a packet is classified to a forwarding class, it cannot change across the network.

C.

Packet enters a node will be treated as per the local hop's configured policy.

D.

Native IP packets entering a network port will be marked at the first network egress by default

E.

Native IP packets entering a network port will not be marked at the first network egress by default.

F.

Native IP packets entering a network port will be marked at the first network egress, regardless of the re-marking configuration.

A network port using null encapsulation has a MTU of 1514 bytes. When MPLS transport is used without FRR, what is the maximum service MTU of a VPLS using that port?

A.

1536

B.

1514

C.

14%

D.

1492

E.

1488

A service provider is using GRE for his transport tunnel on the Alcatel-Lucent 7750 SR. How can traffic be marked as it traverses the service provider's network? (Choose two)

A.

Using dot1p bits of the 802.1q Ethernet frame header

B.

Using DSCP bits within the ToS field of the IP packet header.

C.

Using the IP precedence bits within the ToS field of the IP packet header.

D.

Using the CLP bit of the ATM cell header.

E.

Using the EXP bits of the MPLS transport label header.

Click the exhibit button below. Given the output of the #show pools 1/2/2 network-egress command on a GigE port, what can the service provider deduce? (Choose two)

A.

QoS is not configured on the router.

B.

Packets in forwarding classes "be" and "12" are being queued.

C.

Traffic belonging to forwarding class "ef" is not experiencing queuing delays.

D.

Traffic belonging to forwarding class "11 "will never make use of the shared buffer pool.

E.

Out-of-profile traffic in the shared buffer pool is being dropped.

Individual application streams are considered microflows, whereas __________ are considered macroflows.

A.

SAPs

B.

SDPs

C.

Services

D.

Queues

E.

Schedulers

F.

Forwarding classes

To implement Hierarchical-QoS (Multi-tiered scheduling), which of the following actions must be undertaken? (Choose three)

A.

H-QoS capabilities must be enabled globally on the router

B.

A scheduler-policy must be configured.

C.

The queues in the SAP-ingress and SAP-egress policies do not require additional configuration attributes to make use of the hierarchical schedulers.

D.

The network queue policy must be configured to make use of the scheduler-policy.

E.

The scheduler-policy must be referenced in the SAP-ingress and SAP-egress policies.

F.

The scheduler-policy must be applied on the service SAP.

Forwarding subclasses are only relevant to, and are therefore applied within the context of, a _____________policy.

A.

network

B.

scheduling

C.

slope

D.

SAP-ingress

E.

network-queue