Name: Cisco 642-889 Exam
Brand: Pass4Success
SKU: 642-889
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Free Cisco 642-889 Exam Actual Questions

Note: Premium Questions for 642-889 were last updated On 24-11-2019 (see below)

Question #1

Refer to the exhibit.

How does interface gigabitethernet0/1 handle incoming VLAN traffic?

Ait transmits only traffic on VLAN 12 across the service provider core.

BIt routes VLAN 12 traffic locally on R1, but drops traffic to destinations more than one hop away.

CIt allows all VLAN traffic across the service provider core.

DFt retags all VLAN traffic with VLAN 12 and sends it across the service provider core.

Reveal Solution

Correct Answer: D

Question #2

Which two statements describe advantages of H-VPLS implementation? (Choose two.)

AH-VPLS improves the data plane scalability, which decreases the requirement for CE routers multicast
forwarding frames.

BH-VPLS can encapsulate any Layer 2 protocol, which provides flexibility to the attachment circuit access technology choice.

CH-VPLS does not require to run any instance of STP due to the built-in loop prevention mechanisms.

DH-VPLS significantly reduces the amount of frame replication and forwarding by adding a hierarchical
aggregation layer.

EH-VPLS addresses the VPLS scalability issues by reducing the amount of full-meshed connections to only the network provider edge routers.

Reveal Solution

Correct Answer: C, E

Question #3

Which type of device is present only in an H-VPLS infrastructure, which differentiates it from VPLS?

APE

BCE

Cn-PE

Du-PE

Reveal Solution

Correct Answer: D

Question #4

Which Carrier Ethernet service provides point-to-point EVC-based connectivity?

AE-Tree

BE-LAN

CE-Line

DE-Access

Reveal Solution

Correct Answer: C

Question #5

What statement about this output is true?

AThe adjacent LSR router configured mpls label range 0.

BThe adjacent router is the egress LSR and has mpls Idp explicit-null configured.

CThe zero in the second column is the normal behavior of an egress router LSR.

DThe adjacent LSR sent an implicit null, and the output is from the penultimate LSR.

Reveal Solution

Correct Answer: D

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Cisco 642-889 Exam Questions

Free Cisco 642-889 Exam Actual Questions

Note: Premium Questions for 642-889 were last updated On 24-11-2019 (see below)