EMT Practice Test

1. Question Content...

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Question1: 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?

Question2: What operation does a P device perform when it receives a labeled packet for a VPRN service?

Question3: A provider core consists of 4 PE and 2 P routers. A fully meshed VPRN service is configured on all 4 PEs, and MPLS LSP-based SDPs are used for the service configuration. How many SDPs must be bound to the VPRN service on each PE?

Question4: Click the exhibit.

For the inter-AS model B VPRN, which of the following protocols is used to advertise routes between PE1 and ASBRI?

Question5: Which of the following about the maximum number of routes that can be accepted in a VRF for a VPRN service on the Alcatel-Lucent 7750 SR is FALSE?

Question6: Choose the answer that best completes the following sentence. The CE device is typically configured with
_________________.

Question7: Which of the following about VPRN Outbound Route Filtering (ORF) is FALSE?

Question8: Which of the following protocols are supported by the Alcatel-Lucent 7750 SR for the creation of transport tunnels within an autonomous system?

Question9: 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?

Question10: Which command will display the Route Target associated to a specific prefix on an Alcatel-Lucent 7750 SR?

Question11: What operation is performed by a P device on the label signaled by MP-BGP when it receives a labeled packet for a VPRN service?

Question12: Which of the following protocols does the Alcatel-Lucent 7750 SR support to signal VPRN service labels?

Question13: Click the exhibit.

Based on the displayed configuration, which routes does PE3 place in the VPRN 10 routing table?

Question14: Click the exhibit.

For the inter-AS model C VPRN, which router is configured as shown?

Question15: Which of the following statements is true? Choose the best answer.

Question16: Click the exhibit.

All sites in the displayed network require Internet access. Route reflector 1(RR1) is used for Internet routes only and route reflector 2(RR2) is used for VPN routes only. Which of the following is FALSE?

Question17: In the output from an Alcatel-Lucent 7750 SR shown below, what does the highlighted text represent?

Question18: Click the exhibit.

For the inter-AS model B VPRN, which of the following is TRUE when CE2 sends an IP packet to
192.168.1.1?

Question19: Click the exhibit.

For the inter-AS model C VPRN, which of the following is FALSE when an IP packet is sent from 192.1.1.1 to 192.2.1.1?

Question20: Which of the following about inter-AS model B VPRN is TRUE?

Question21: Which of the following about a full mesh VPRN is FALSE?

Question22: Click the exhibit.

For the PE hub and spoke VPRN, which communities should be imported under the VPRN service on PE2?

Question23: Which of the following about eiBGP Load Balancing is FALSE?

Question24: Click the exhibit.

An Alcatel-Lucent 7750 SR is to be configured as a core router that supports VPRNs using LDP as the transport protocol. Which of the following best describes this configuration?

Question25: Choose the best answer to describe the result of the configuration of an Alcatel-Lucent 7750 SR shown below?

Question26: Click the exhibit.

One Route Distinguisher is assigned per VRF. If CE1 and CE2 advertise prefix 10.1.1.0/24, which of the following statements is FALSE?

Question27: Which of the following about scaling techniques for route reflectors is FALSE?

Question28: Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following is FALSE?

Question29: When configuring the CE with the selected CE-PE routing protocol on an Alcatel-Lucent 7750 SR, which of the following statements is true? (Choose three.)

Question30: Which of the following about Carrier Supporting Carrier (CSC) VPRN is FALSE?

Question31: Click the exhibit.

When configuring the double lookup functionality, which configuration forces the global routing table to be consulted for any packet matching the VPRN default route?

Question32: Click the exhibit.

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

Question33: In a VPRN that uses MPLS transport tunnels, which of the following is NOT configured on the PE device?

Question34: 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 FALSE?

Question35: When a Service Provider offers VPRN services to its customers, which of the following functions are expected to be the responsibility of the Service Provider? (Choose three)

Question36: Which of the following commands on an Alcatel-Lucent 7750 SR will verify connectivity for a VPRN service
<service-id> when issued from the PE?

Question37: You are configuring a VPLS spoke termination to a VPRN on an Alcatel-Lucent 7750 SR. If LDP is used for all transport tunnels, what type of sessions are established by the VPRN PE router that is configured with the spoke termination?

Question38: Which of the following about inter-AS model B VPRN is FALSE?

Question39: Click the exhibit.

Router R4 is an Alcatel-Lucent 7750 SR configured for the extranet VPRN network. Which CLI command is executed on router R4 to produce the displayed output?

Question40: In a Carrier Supporting Carrier (CSC) VPRN, which of the following is a benefit to the network provider?

Question41: Which of the following about a full mesh VPRN is FALSE?

Question42: Complete the following statement. In a VPRN, the label signaled by RSVP-TE is used to
______________.

Question43: Based on the VPRN BGP decision process, which of the following routes is selected first?

Question44: Click the exhibit.

How many route targets and route distinguishers are required to implement the extranet VPRN?

Question45: Click the exhibit.

For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised between CSC-CE1 andCSC- PE1?

Question46: Which of the following about a full mesh VPRN design is FALSE?

Question47: Which of the following statements best describes the output from an Alcatel-Lucent 7750 SR shown below?

Question48: What mechanism allows routes to be shared between customers in different VPRNs?

Question49: What are the two main benefits of a hub and spoke VPRN design? (Choose two)

Question50: Click the exhibit.

The AS-path nullification method is used to prevent CE2 from discarding routes received from CE1. On which router should the AS-path nullification policy be configured?

Question51: How are local CE routes associated with the appropriate VRF at the PE?

Question52: Which of the following about the configuration of an inter-AS model C VPRN is FALSE?

Question53: Click the exhibit.

Which of the following best describes the output?

Question54: Which of the following best describes the goal of an Extranet VPRN?

Question55: Where are VPN-IPv4 addresses used in a VPRN?

Question56: Click the exhibit.

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

Question57: Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier offering VPRN services. Which of the following configuration steps is NOT required?

Question58: Click the exhibit.

An Alcatel-Lucent 7750 SR is to be configured as a PE router that supports VPRNs using LDP as the transport protocol. Which of the following best describes this configuration?

Question59: A customer has two sites connected to PE-1 and a third site dual-homed to PE-2 and PE-3. If BGP is used as the PE-CE protocol, what is the total number of BGP and MP-BGP sessions required on PE-1 for a functional VPRN service? Assume that route reflection is not used.

Question60: A CE hub and spoke VPRN has two spoke sites; which of the following would be the best option to implement this topology at the hub site PE?

Question61: Click the exhibit.

For the inter-AS model B VPRN, which of the following is FALSE when CE2 sends an IP packet to
192.168.1.1?

Question62: Click the exhibit.

For the PE hub and spoke VPRN, on which PE(s) should the VPRN service command target export target:
65100:1 import target: 65100: 2 " be configured?

Question63: Click the exhibit.

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

Question64: Which of the following commands may be used on an Alcatel-Lucent 7750 SR to display a network exported locally to BGP on the originating router? (Choose two)

Question65: Click the exhibit.

Which VPRN type produces the output shown on router R1?

Question66: In a traditional layer 3 VPN which of the following will be an issue when there is overlapping address space between two customers? Choose the best answer.

Question67: In a Carrier Supporting Carrier (CSC) VPRN, which of the following is a benefit to the customer carrier?

Question68: Which of the following about the control plane in Carrier Supporting Carrier (CSC) VPRN is FALSE?

Question69: Click the exhibit.

Which of the following statements about the implementation of the CE hub and spoke topology is FALSE?

Question70: Which of the following is a characteristic of inter-AS model C VPRN?

Question71: If Route Reflector 1 (RR1) is used for Internet routes, and Route Reflector 2 (RR2) is used for VPN routes, which of the following is TRUE?

Question72: Click the exhibit.

For the inter-AS model B VPRN, which of the following is the correct BGP configuration on ASBR1?

Question73: Which of the following about Carrier Supporting Carrier (CSC) VPRN is FALSE?

Question74: Which of the following about BGP loops in a VPRN environment is TRUE?

Question75: Which of the following about the configuration of VPRN Outbound Route Filtering (ORB on an Alcatel- Lucent 7750 SR is TRUE?

Question76: Click the exhibit.

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?

Question77: Based on the VPRN BGP decision process, which of the following routes is selected first?

Question78: Click the exhibit.

AS-override is configured on PE1 to eliminate the BGP loops. What is the expected AS-Path in the VPN- IPv4 route 64496:10:192.168.2.0/27 received by PE1?

Question79: Click the exhibit.

The CLI command "remove-private" is configured on PE1 to eliminate BGP loops in the VPRN. For the displayed route, what is the value of the AS-Path field?

Question80: Click the exhibit.

Which of the following commands produces the output for the inter-AS model B VPRN?

Question81: Which command is required in the blank line to complete the configuration shown below on an Alcatel- Lucent 7750 SR?

Question82: Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). If CE1 sends an IP packet to 192.60.100.1, which of the following is FALSE?

Question83: In inter-AS model C VPRN, which of the following about the command "advertise-label ipv4" is TRUE?

Question84: An SDP has been configured for a VPRN service using an existing MPLS LSP and the configuration shown below. Which of the statements below is true about the configuration on an Alcatel-Lucent 7750 SR?

Question85: Which of the following is NOT a viable option when implementing inter-AS VPRN?

Question86: Which of the following about the Route Target is TRUE?

Question87: Which of the following describes how a route is handled when is received at the PE from the local CE?

Question88: Given the following VPRN topology: The VPRN service 10 is correctly configured and operational with OSPF as the PE to CE routing protocol at both customer sites. The OSPF database on CE-A contains Type 1 LSAs. These routes will appear as what LSA type on CE-B?

Question89: Which of the following about an Alcatel-Lucent 7750 SR MP-BGP update is FALSE? Assume default behavior.

Question90: Click the exhibit.

Which of the following about the inter-AS model A VPRN configuration on ASBR1 is TRUE?

Question91: How was standard BGP modified to allow it to carry routing information for VPRNs?

Question92: Click the exhibit.

The headquarter sites of VPRN 10 and VPRN 20 are part of an extranet VPRN. Which route targets should be exported under the VPRN 20 service on router R1?

Question93: For Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT applicable to both types of customer carriers: BGP/MPLS service providers and Internet service providers?

Question94: Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is a BGP/MPLS service provider. Which of the following describes the routes present in PE1's global routing table?

Question95: Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured on an Alcatel-Lucent 7750 SR for a customer carrier offering VPRN services. Which of the following about this configuration is FALSE?

Question96: In a Carrier Supporting Carrier (CSC) VPRN, which of the following is NOT a benefit to the network provider?

Question97: In a VPRN that uses MPLS transport tunnels, which of the following statements about P devices is TRUE?

Question98: Click the exhibit.

According to the display, a BGP loop is detected for route 192.168.1.0/27. On which router is this command executed?

Question99: Which of the following is not an available option for Route Distinguisher assignment?

Question100: Click the exhibit.

A Carrier Supporting Carrier (CSC) VPRN is configured for a customer carrier who is an Internet Service Provider (ISP). Which route is NOT present in PE1's global routing table?

Question101: 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?

Question102: Which of the following about inter-AS model C VPRN is FALSE?