السؤال #1

In a typical service provider environment, which two tools are used to help scale PE routerconnectivity requirements? (Choose two.)

A. oute reflectors

B. PNv4 address family

C. riginator ID

D. luster ID

E. onfederations

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اجابة صحيحة: AE

السؤال #2

A network engineer is implementing Layer 3 MPLS VPNs on Cisco IOS/IOS XE PE routers. Which PE-to-CE routing protocol requires a separate routing process to be created for each VRF?

A. RIPv2

B. OSPF

C. BGP

D. EIGRP

E. Reveal Answer

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اجابة صحيحة: B

السؤال #3

Refer to the exhibit. An organization is running H-VPLS on a network comprising four routers in a hub-and-spoke topology with R1 as the hub.An engineer added a new spoke with multiple VCs to the network, and now traffic cannot flow properly.How should the engineer update the configuration on R1 to correct the problem?

A. isable spanning tree to allow loops to occur within the hub-and-spoke topology

B. isable Cisco Discovery Protocol to allow MPLS to share labels between the designated spokes

C. isable split horizon to allow multiple VCs per spoke

D. isable Cisco Discovery Protocol to allow for neighbor discovery

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اجابة صحيحة: C

السؤال #4

In an Ethernet Virtual Circuit environment, which restriction do bridge domains have when STP is running?

A. The STP mode must be RSTP or PVST+

B. Bridge domains must be mapped to a different VLAN

C. The STP mode must be MSTP

D. Bridge domains must belong to different MST instances

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اجابة صحيحة: C

السؤال #5

How do Ethernet virtual circuits provide a way for service providers to maximize the use of VLAN tags'-1

A. They add an additional tag to VLANs that allows up to two switch ports to use the same globally configured VLAN ID

B. They redefine the VLAN tag to include classification, forwarding, and QoS using MPLS labels and EXP bits

C. They separate the classification and forwarding concepts for VLAN tagging which allows multiple switch ports to use the same VLAN ID without it being configured globally

D. They assign VLAN IDs to VTP domains so that the same VLAN ID are used more than once globally

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اجابة صحيحة: C

السؤال #6

Which two frames can be configured on an Ethernet flow point? (Choose two.)

A. of a specific VLAN

B. with different type of service values

C. with identical type of service value

D. with different class of service values

E. with no tags

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اجابة صحيحة: AE

السؤال #7

Which utility can you use to validate an LSP in an MPLS environment?

A. uRPF

B. MPLS LSP ping

C. logging

D. RSVP

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اجابة صحيحة: B

السؤال #8

While implementing Layer 3 MPLS VPN, which feature should an engineer use at the PEs to transform the customer IPv4 prefixes into a unique 96-bit prefix?

A. T

B. W ID

C. C ID

D. D

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اجابة صحيحة: D

السؤال #9

While configuring the VRF Selection feature, you get an error message after typing the below statement:Router(config)#no vrf selection source 172.16.0.0 255.255.0.0 vrf VRF1Which action caused this message?

A. the entry of an inconsistent IP address and mask for VRF Selection

B. an attempt to configure a VRF instance on an interface that already has VRF Selection configured

C. an attempt to remove a VRF Selection entry that does not exist

D. an attempt to configure a VRF Selection table that does not exist

E. Reveal Answer

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اجابة صحيحة: C

السؤال #10

Which two BGP attributes prevent loops in a route reflector environment? (Choose two.)

A. luster ID

B. ocal preference

C. rigin

D. riginator ID

E. S_PATH

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اجابة صحيحة: AD

السؤال #11

What is the primary function of a VRF on a router?

A. It enables the router to support multiple separate routing tables, which allows the device to handle overlapping IP addresses

B. It enables a router to run BGP and a distance vector routing protocol at the same time, which allows it to serve as a VPN endpoint between remote sites

C. It enables a router to configure VLANs locally, which provides segregation between networks

D. It enables the router to provide faster switching through the network by using labels to identify the input and output interfaces for neighbor routers

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اجابة صحيحة: A

السؤال #12

Refer to the exhibit.If the two devices are operating normally, which two conclusions can you draw from this configuration? (Choose two.)

A. CE1 must use OSPF to establish a neighbor relationship with PE1

B. PE1 labels the routes it learns from CE1 with the route-target 222:2 and shares them with its VPNv4 peers

C. PE1 labels the routes it learns from CE1 with the route-target 111:1 and shares them with its VPNv4 peers

D. The PE-CE routes between the devices are being exchanged by OSPF

E. CE1 is supporting CSC

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اجابة صحيحة: AD

السؤال #13

You try to configure MPLS VPN VRF Selection based on a source IP address on an interface that hasVRF configured, but you receive an error.Which action must you take to correct the problem?

A. hange the source IP address

B. dd the IP address to the VRF table

C. emove the VRF from the interface

D. onfigure static routes for the VRF

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اجابة صحيحة: C

السؤال #14

What is the primary function of a VRF on a router?

A. It enables the router to support multiple separate routing tables, which allows the device to handle overlapping IP addresses

B. It enables a router to run BGP and a distance vector routing protocol at the same time, whichallows it to serve as a VPN endpoint between remote sites

C. It enables a router to configure VLANs locally, which provides segregation between networks

D. It enables the router to provide faster switching through the network by using labels to identifythe input and output interfaces for neighbor routers

عرض الإجابة

اجابة صحيحة: A

السؤال #15

Which utility can you use to validate an LSP in an MPLS environment?

A. uRPF

B. MPLS LSP ping

C. logging

D. RSVP

عرض الإجابة

اجابة صحيحة: B

السؤال #16

Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs? (Choose two.)

A. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use L2TPv3 tunneling

B. Layer 2 VPNs use AToM, but Layer 3 VPNs use MPLS/BGP

C. Layer 2 VPNs use BGP, but Layer 3 VPNs use VPLS

D. Layer 2 VPNs use L2TPv3 tunneling, but Layer 3 VPNs use GRE tunneling

E. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use pseudowires to provide tunneling

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اجابة صحيحة: BD

السؤال #17

The CTO of a company requires the support of a network consultant to deliver an MPLS solution without resigning to a certain degree of redundancy and scalability. Which solution effectively scales to hundreds or thousands of sites?

A. L2VPN with the broadcast traffic processed at the ingress PE

B. L3VPN with direct LSP connectivity between all PEs

C. L2VPN by encapsulating multiple frame formats with interworking

D. L3VPN using a hierarchical topology of N-PEs and U-PEs

E. Reveal Answer

عرض الإجابة

اجابة صحيحة: D

السؤال #18

Which utility can you use to validate an LSP in an MPLS environment?

A. uRPF

B. MPLS LSP ping

C. logging

D. RSVP

عرض الإجابة

اجابة صحيحة: B

السؤال #19

Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs? (Choose two.)

A. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use L2TPv3 tunneling

B. Layer 2 VPNs use AToM, but Layer 3 VPNs use MPLS/BGP

C. Layer 2 VPNs use BGP, but Layer 3 VPNs use VPLS

D. Layer 2 VPNs use L2TPv3 tunneling, but Layer 3 VPNs use GRE tunneling

E. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use pseudowires to provide tunneling

عرض الإجابة

اجابة صحيحة: BD

السؤال #20

Which utility can you use to validate an LSP in an MPLS environment?

A. uRPF

B. MPLS LSP ping

C. logging

D. RSVP

عرض الإجابة

اجابة صحيحة: B

السؤال #21

What is the primary function of a VRF on a router?

A. t enables the router to support multiple separate routing tables, which allows the device to handle overlapping IP addresses

B. t enables a router to run BGP and a distance vector routing protocol at the same time, which allows it to serve as a VPN endpoint between remote sites

C. t enables a router to configure VLANs locally, which provides segregation between networks

D. t enables the router to provide faster switching through the network by using labels to identify the input and output interfaces for neighbor routers

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اجابة صحيحة: A

السؤال #22

Which statement describes the no bgp default route-target filter command?

A. Prefixes that are received with route targets and distinguisher are accepted

B. Prefixes that are received with route targets and distinguisher are not accepted

C. Prefixes that are received with route targets that are not imported at the PE are not accepted

D. Prefixes that are received with route targets that are not imported at the PE are accepted

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اجابة صحيحة: D

السؤال #23

While troubleshooting EoMPLS configuration problems, which three parameters should an engineer match between the two ends of the pseudowire configurations? (Choose three.)

A. VLAN name

B. Xconnect group name

C. EFP subinterface number

D. pseudowire ID

E. MTU size

F. control word usage

G. Reveal Answer

عرض الإجابة

اجابة صحيحة: DEF

السؤال #24

Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs? (Choose two.)

A. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use L2TPv3 tunneling

B. Layer 2 VPNs use AToM, but Layer 3 VPNs use MPLS/BGP

C. Layer 2 VPNs use BGP, but Layer 3 VPNs use VPLS

D. Layer 2 VPNs use L2TPv3 tunneling, but Layer 3 VPNs use GRE tunneling

E. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use pseudowires to provide tunneling

عرض الإجابة

اجابة صحيحة: BD

السؤال #25

What is the primary function of a VRF on a router?

A. It enables the router to support multiple separate routing tables, which allows the device to handle overlapping IP addresses

B. It enables a router to run BGP and a distance vector routing protocol at the same time, which allows it to serve as a VPN endpoint between remote sites

C. It enables a router to configure VLANs locally, which provides segregation between networks

D. It enables the router to provide faster switching through the network by using labels to identify the input and output interfaces for neighbor routers

عرض الإجابة

اجابة صحيحة: A

السؤال #26

Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs? (Choose two.)

A. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use L2TPv3 tunneling

B. Layer 2 VPNs use AToM, but Layer 3 VPNs use MPLS/BGP

C. Layer 2 VPNs use BGP, but Layer 3 VPNs use VPLS

D. Layer 2 VPNs use L2TPv3 tunneling, but Layer 3 VPNs use GRE tunneling

E. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use pseudowires to provide tunneling

عرض الإجابة

اجابة صحيحة: BD

السؤال #27

Refer to the exhibit.A network engineer has been called to configure the four PE devices in order to enable full communication among the four CE devices connected to them. While starting to configure, he experienced a connectivity issue. Which two tasks should the engineer perform in order to begin the process correctly? (Choose two.)

A. Configure PE3 to export route-targets 100:1 and 200:2

B. Configure PE3 to import route-targets 100:1 and 200:2

C. Configure PE4 to import route-targets 101:1 and 202:2

D. Configure PE2 to export route-targets 300:3 and 400:4

E. Configure PE1 to import route-targets 300:3 and 400:4

عرض الإجابة

اجابة صحيحة: AB

السؤال #28

Refer to the exhibit.Which statement about this output is true?

A. he router IP 192

B. he adjacent router is the egress LSR and has mpls ldp explicit-null configured

C. he adjacent LSR router configured mpls label range 0

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

عرض الإجابة

اجابة صحيحة: B

السؤال #29

Which two statements describe primary differences between MPLS Layer 2 and Layer 3 VPNs? (Choose two.)

A. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use L2TPv3 tunneling

B. Layer 2 VPNs use AToM, but Layer 3 VPNs use MPLS/BGP

C. Layer 2 VPNs use BGP, but Layer 3 VPNs use VPLS

D. Layer 2 VPNs use L2TPv3 tunneling, but Layer 3 VPNs use GRE tunneling

E. Layer 2 VPNs use IPsec tunneling, but Layer 3 VPNs use pseudowires to provide tunneling

عرض الإجابة

اجابة صحيحة: BD

السؤال #30

In an Ethernet Virtual Circuit environment, which restriction do bridge domains have when STP is running?

A. The STP mode must be RSTP or PVST+

B. Bridge domains must be mapped to a different VLAN

C. The STP mode must be MSTP

D. Bridge domains must belong to different MST instances

E. Reveal Answer

عرض الإجابة

اجابة صحيحة: C

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اجتياز اختبار الممارسة Cisco وPMP وCISA وCISM وAWS بنسبة 100% للبيع! احصل الان

View The Updated 300-515 Exam Questions

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اجتياز اختبار الممارسة Cisco وPMP وCISA وCISM وAWS بنسبة 100% للبيع!
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