New Year Sale Special - Limited Time 70% Discount Offer - Ends in 0d 00h 00m 00s - Coupon code: sntaclus

Port 1/1/1 has been configured as an access port with QinQ encapsulation. Which of the following three statements are true for ingress traffic assuming default configuration? (Choose 3)

A.

sap 1/1/1:*.0 is a valid sap id.

B.

sap 1/1/1:100* will accept frames with a single tag of 100.

C.

sap 1/1/1:200* will strip the top tag of 200 and the bottom tag will be transparently passed.

D.

sap 1/1/1:0* will accept all untagged frames.

E.

sap 1/1/1:0* will accept any tagged frames.

What is the default Spanning Tree protocol used in a VPLS on the Alcatel-Lucent 7750 SR?

A.

802.1D2004

B.

802.1D 1998

C.

comp-dot1w

D.

PVST

Which of the following statements about Spanning Tree Protocol is true?

A.

For the switches that are non-root or designated switches, the port with the highest combined cost to the root is the root port.

B.

In the case where two switches have the same priority, the switch with the lowest MAC address becomes the root.

C.

The switch port that is the greatest distance from the LAN to the root is the designated port.

D.

All of the above.

An l-VPLS is configured with a service id of 511. What will the value of the l-SID be assuming a default configuration?

A.

The 1-SID must be explicitly configured.

B.

The 1-SID only supports a range from 1 to 255.

C.

The 1-SID will default to 511 .the value of the service-id.

D.

Thel"SIDwilldefaultto131582, the value of the service-id + 131071.

Click on the exhibit below.

The following VPLS services and SAPs have been configured. Which of the following statements is true?

A.

All untagged frames will be dropped.

B.

The source MAC address of a frame with a top tag of 200 and bottom tag of 300 will be populated in VPLS 3.

C.

All frames with more than one tag will be dropped.

D.

The source MAC address of a frame with a single tag of 500 will be populated in VPLS 1.

E.

The source MAC address of a frame with a top tag of 100 will be populated in VPLS 2.

Consider a large metro-to-metro VPLS network interconnected with a mesh of mesh-SDPs. Which of the following statements does NOT apply to this situation?

A.

Bandwidth and replication inefficiency can occur on inter-metro links if there is a lot of multicast traffic

B.

The number of control sessions grows exponentially in a fully meshed network.

C.

Spanning-tree is required to prevent loops when using mesh SDPs on the inter-metro links.

D.

Network touches increase with each node added to the mesh.

In IEEE 802.1ag, which two key functions are configured on bridge ports (SAPs and SDPs) to support CFM messages? (Choose 2)

A.

MEP

B.

MAP

C.

MIP

D.

MUP

Which OAM tool can be used to dynamically learn the MAC address of a CE device connected to a SAP within a VPLS service?

A.

oam mac-populate

B.

oam mac-ping

C.

oam mac-trace

D.

oam svc-ping

E.

oam cpe-ping

What function in IEEE 802.1 ah helps to limit the amount of MAC addresses learned in the core?

A.

I-VPLS is configured in the core of the network with an l-MAC address. This l-MAC address is the only MAC learned in the core

B.

The B-VPLS and l-VPLS are configured in the edge. The B-VPLS is configured with a Backbone MAC and is the only MAC learned in the core

C.

Each SDP is configured with a Backbone MAC to hide customer MAC addresses in the core

D.

Each SAP is associated with a common l-MAC to hide customer MAC addresses in the core

Which of the following about a full mesh VPRN design is FALSE?

A.

Each customer site has a logically direct route to every other customer site.

B.

It provides optimal routing between all sites.

C.

It allows access between all CE devices and all sites participating in the same VRF.

D.

It requires a full BGP mesh in the provider core.

Click the exhibit.

For the Inter-AS model B VPRN, which of the route updates for prefix 192.168.1.0/27 is incorrect?

A.

The route update sent from PE1.

B.

The route update sent from PE2.

C.

The route update sent from ASBR1.

D.

The route update sent from ASBR2.

Click the exhibit.

The headquarter sites of VPRN 10 and VPRN 20 ate part of an extranet VPRN. Which of the following communities are included in the export policy applied to VPRN 10 on router R1?

A.

"Extranet-VPN-Blue" and "Extranet-VPN-Green"

B.

"Blue-Only"

C.

"Extranet-VPN-Blue"

D.

"Blue-Green"

When does a router add a Route Target to a route?

A.

When the P receives the route from the PE.

B.

When the PE populates the route received from the CE into the VRF.

C.

When the PE propagates the route to the CE.

D.

When the PE exports the route from the VRF into the MP-BGP table.

Which of the following statements is true? Choose the best answer.

A.

A P router may forward customer packets to their destination without the presence of a route to that destination

B.

The ingress PE router may forward customer packets to their destination without the presence of a route to that destination

C.

The egress PE router may forward customer packets to their destination without the presence of a route to that destination

D.

Any provider core router (P or PE) may forward customer packets to their destination without the presence of a route to that destination

Click the exhibit.

When configuring a VPRN service on an Alcatel-Lucent 7750 SR, where should the policy be applied?

A.

On the CE under the OSPF context

B.

On the PE under the BGP context

C.

On the PE under the OSPF context

D.

On the CE under the BGP context

E.

This policy is not required.