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Nokia Service Routing Architect
4A0-106
Nokia Virtual Private Routed Networks Questions and Answers

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Viewing questions 41-50 out of questions

Questions # 41:

Click the exhibit.

Question # 41

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

Options:

The route update sent from PE1.

The route update sent from PE2.

The route update sent from ASBR1.

The route update sent from ASBR2.

Answer

Questions # 42:

Question # 42

The headquarter sites of VPRN 10 and VPRN 20 are part of an extranet VPRN. Which route target(s) should be imported under the VPRN 10 service on router R1?

Options:

target:65100:1 only

target:65100:1 and target:65100:2

target:65100:1 and target:65100:3

target:65100:1, target:65100:2, and target:65100:3

Answer

Questions # 43:

Click the exhibit.

Question # 43

For the CE hub and spoke VPRN, which of the following is FALSE?

Options:

The primary VRF on PE1 contains routes learned from spoke sites.

All traffic between spoke sites must pass through CE1.

The secondary VRF on PE1 is used to route data packets from the hub CE to the spoke sites.

PE1 advertises the primary VRF routes to CE1.

Answer

Questions # 44:

Click the exhibit.

Question # 44

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?

Options:

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

"Blue-Only"

"Extranet-VPN-Blue"

"Blue-Green"

Answer

Questions # 45:

Based on the VPRN BGP decision process, which of the following routes is selected first if the command "PE1>config>service>vprn> bgp best-path-selection as-path-ignore" is executed?

Options:

The route learned from an eBGP peer.

The route with the lowest Origin.

The route with the lowest originator ID or BGP Identifier.

The route with the shortest AS path.

Answer

Questions # 46:

Click the exhibit.

Question # 46

A Carrier Supporting Carrier (CSC) VPRN is configured on an Nokia 7750 SR for a customer carrier who is an Internet Service Provider (ISP). Which of the following configuration steps is NOT required?

Options:

Configuring labeled eBGP sessions between CSC-CE and CSC-PE routers.

Configuring a policy on each CSC-CE to advertise local PE addresses to the network provider.

Configuring labeled iBGP sessions between PEs residing in different customer carrier sites.

Advertising the received system addresses of remote PEs using either iBGP or IGP/LDP within each customer carrier site.

Answer

Questions # 47:

Click the exhibit.

Question # 47

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. If CE1 sends an IP packet to 192.168.200.1, which of the following is FALSE?

Options:

PE1 pushes a VPN label, a BGP label, and an LDP transport label on the IP packet.

CSC-CE1 pops the LDP label and swaps the BGP label.

CSC-PE1 pops the BGP label, swaps the VPN label, and pushes an LDP transport label.

CSC-PE2 pops the LDP and VPN labels and pushes a BGP label.

Answer

Questions # 48:

Which of the following about scaling techniques for route reflectors is FALSE?

Options:

Logical Partitioning of route reflectors works best when PEs are partitioned to support different VPRNs.

Logical Partitioning of route reflectors is simple and scalable, but requires more hardware.

Filtering at route reflectors requires either inbound filtering at the route reflector or outbound filtering at the PE routers.

Filtering at route reflectors allows the route reflector to filter routes received from PEs and only accept routes with a certain route distinguisher.

Answer

Questions # 49:

For a Carrier Supporting Carrier (CSC) VPRN where the customer carrier is an ISP that provides Internet connectivity to its end-customers, which of the following is TRUE?