EMT Practice Test

1. Question Content...

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Question1: An advantage of using BGP as the PE-CE protocol is that route policies are no longer required to control the exchange of routes from BGP to MP-BGP.

Question2: Which of the following statements about the control plane in Carrier Supporting Carrier (CSC) VPRN is FALSE?

Question3: Click the exhibit.

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

Question4: At what point does the Route Target become associated with a route?

Question5: Click the exhibit.

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

Question6: Community lists are configured for the PE hub and spoke VPRN.

Which communities should be imported by the VPRN service on PE1?

Question7: Which of the following is a benefit of a hub and spoke VPRN topology?

Question8: Click the exhibit.

Which VPRN type produces the output shown on router R1?

Question9: 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?

Question10: In a Carrier Supporting Carrier (CSC) VPRN, which of the following is a benefit to the customer carrier?

Question11: Which of the following commands produces the output for the inter-AS model B VPRN?

Question12: Which of the following is not an available option for Route Distinguisher assignment?

Question13: Which of the following VPRN topologies must a customer implement to allow a given VRF to include routes from different VPRNs?

Question14: Which of the following statements about inter-AS model C VPRNs is FALSE?

Question15: Click the exhibit.

Internet access is provided to the Red VPRN (ID 10) via an Internet VRF (ID 500). For this configuration, which communities must be imported on the Red and Internet VRFs?

Question16: When an Nokia 7750 SR receives a BGP update containing an AS-Path loop, what is the default action?

Question17: Which of the following is a characteristic of inter-AS model C VPRN?

Question18: For the Inter-AS model A VPRN, which of the following is FALSE when CE2 sends an IP packet to 192.168.1.1?

Question19: Click the exhibit.

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?

Question20: Click the exhibit.

The displayed output is from an ASBR supporting an inter-AS model A VPRN. Which of the following statements about this output is TRUE?

Question21: 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?

Question22: Click the exhibit.

For the Inter-AS model B VPRN, which of the following about the inter-as-label output on ASBR1 is TRUE?

Question23: Which of the following about the configuration of BGP Site of Origin (SoO) is TRUE?

Question24: 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 Nokia 7750 SR?

Question25: Which of the following about Carrier Supporting Carrier (CSC) VPRN is FALSE?

Question26: Which of the following about the control plane in Carrier Supporting Carrier (CSC) VPRN is FALSE?

Question27: To enable full spoke-to-spoke connectivity for the CE hub and spoke VPRN, on which router(s) should the displayed static-route be configured?

Question28: Which of the following protocols does the Nokia 7750 SR support to signal VPRN service labels?

Question29: In a VPRN that uses MPLS transport tunnels, which of the following statements about P devices is TRUE?

Question30: Which of the following about the maximum number of routes that can be accepted in a VRF for a VPRN service on the Nokia 7750 SR is FALSE?

Question31: Which of the following about inter-AS model B VPRN is FALSE?

Question32: Click the exhibit.

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

Question33: When VPRN Outbound Route Filtering (ORF) is enabled, each PE sends its ORF list to its peer using which of the following BGP message types?

Question34: What are the main functions of a Layer 3 VPN? (Choose three).

Question35: Click the exhibit.

For the inter-AS model A VPRN. BGP is used as the PE-CE routing protocol. Which of the following statements about the control plane operation is TRUE?

Question36: Choose the answer that best completes the following sentence. The CE device is typically configured with _________________.

Question37: Which of the following about inter-AS model B VPRN is TRUE?

Question38: 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?

Question39: Where are VPN-IPv4 addresses used in a VPRN?

Question40: 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?

Question41: You are configuring spoke SDP termination of a VPLS service on a VPRN interface on an Nokia 7750 SR. The spoke SDP is running over a NULL encapsulated network port. The best practice is to set the VPRN interface p-mtu equal to what value over a NULL encapsulated network port.

Question42: 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?

Question43: Which of the following commands on an Nokia 7750 SR will verify connectivity for a VPRN service <service-id> when issued from the PE?

Question44: 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?

Question45: 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?

Question46: 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?

Question47: In a VPRN, how does the service provider ensure that customer addresses are unique when multiple customers use the same address space?

Question48: Click the exhibit.

Which of the following best describes the output?

Question49: Which of the following about BGP Site of Origin (SoO) is FALSE?

Question50: Which of the following describes how a route is handled when is received at the PE from the local CE?

Question51: In a VPRN that uses MPLS transport tunnels, which of the following is NOT configured on the PE device?

Question52: Which of the following about an Nokia 7750 SR MP-BGP update is FALSE? Assume default behavior.

Question53: At what point does the Route Target become associated with a route?

Question54: Based on the VPRN BGP decision process, which of the following routes is selected first?

Question55: Click the exhibit.

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

Question56: 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?

Question57: Which of the following is NOT a viable option when implementing inter-AS VPRN?

Question58: 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?

Question59: What mechanism allows routes to be shared between customers in different VPRNs?

Question60: 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?

Question61: Which of the following best describes the goal of an Extranet VPRN?

Question62: Click the exhibit.

Which of the following best describes the output from the Nokia 7750 SR?

Question63: Which statement about assigning one Route Distinguisher per VPN is TRUE?

Question64: What is the minimum number of Route Distinguishers required to implement an overlapping VPRN involving 5 different customers?

Question65: Click the exhibit.

For the Carrier Supporting Carrier (CSC) VPRN, which routes are advertised from CSC-CE1 toPE1?

Question66: Click the exhibit.

Based on the VPRN aggregate route configuration, which routes are advertised to CE2?

Question67: At what point does the Route Target become associated with a route?

Question68: 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.

Question69: Based on the VPRN BGP decision process, which of the following routes is selected first?

Question70: In the output from an Nokia 7750 SR shown below, what does the highlighted text represent?

Question71: Click the exhibit.

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