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QUESTION 23

Which effect of this configuration is true?

It configures VPWS multihomed.

It configures VPWS single homed.

It configures an IPv4 peering with 192.168.1.1

It configures MPLS traffic engineering.

QUESTION 24
An engineer is troubleshooting AToM on an IOS XE router and receives an error when creating the xconnect. Which command does he need to complete to create the xconnect in AToM?

encapsulation mpls

encapsulation 12tpv3

protocol 12tpv3

protocol none

QUESTION 25
Refer to the exhibit.

PE1 and PE2 are exchanging VPNv4 routes for CE1 and CE2, and PE3 contains the default route to the internet. If the three devices are operating normally, which two conclusions describe this configuration? (Choose two.)

The CE1 and CE2 VRFs can exchange routes only between their respective VRFs on PE1 and PE2.

All three routers must be running a distance-vector routing protocol.

All three routers must be running MP-BGP.

The CE1 and CE2 VRFs can access the default route provided by the Internet VRF.

Only the CE2 VRF can access the default route provided by the Internet VRF.

QUESTION 26
What must match in the EVPN and L2VPN configuration mode when configuring EVPN native in a router?

interface

address family

bridge domain

EVI

QUESTION 27
An engineer needs to improve MPLS network management by implementing a set of tools to support the NOC engineers in troubleshooting network failures. Which feature should the engineer implement to check the connectivity of the MPLS LSP between the ingress and egress PE routers?

MPLS OAM

MPLS-TP

LDP autodiscovery

extended ping

QUESTION 28
Refer to the exhibit.

An engineer is implementing an MPLS P2MP TE solution. Which type of router can serve as the midpoint router and the tailend router in this P2MP TE network implementation?

headend

source

transit

bud

QUESTION 29
You try to configure MPLS VPN VRF Selection based on a source IP address on an interface that has VRF configured, but you receive an error.
Which action must you take to correct the problem?

Change the source IP address.

Add the IP address to the VRF table.

Remove the VRF from the interface.

Configure static routes for the VRF.

QUESTION 30
Refer to the exhibit. If the two devices are operating normally, which two conclusions can you draw from this configuration? (Choose two.)

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

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

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

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

CE1 is supporting CSC.

QUESTION 31
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.)

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

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

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

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

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

QUESTION 32
Which optional information can be included with an IPv6 ping to support the troubleshooting process?

IPv4 IP address

source MAC address

destination MAC address

IPv6 hostname

QUESTION 33
Refer to the exhibit.

Drag and drop the EVC configuration items from the left onto the correct descriptions on the right.

QUESTION 34
What is the primary function of a VRF on a router?

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

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.

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

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

QUESTION 35
While troubleshooting EoMPLS configuration problems, which three parameters should an engineer match between the two ends of the pseudowire configurations? (Choose three.)

VLAN name

Xconnect group name

EFP subinterface number

pseudowire ID

MTU size

control word usage

QUESTION 36
Which optional information can be included with an IPv6 ping to support the troubleshooting process?

IPv4 IP address

source MAC address

destination MAC address

IPv6 hostname

QUESTION 37
An engineer is troubleshooting AToM on an IOS XE router and receives an error when creating the xconnect.
Which command does he need to complete to create the xconnect in AToM?

encapsulation mpls

encapsulation 12tpv3

protocol 12tpv3

protocol none

QUESTION 38
Refer to the exhibit. What is the effect of this configuration?

The mroute table is cleared.

Router 1 accepts multicast routes with a tag of 12:1

A Cisco MPLS TE tunnel is generated with 192.168.1.2 as the source IP address of router 1.

An LSP virtual interface tunnel is created.

QUESTION 39
Refer to the exhibit.

A customer carrier running MPLS VPN wants to utilize a backbone carrier to forward traffic and exchange VPNv4 prefixes between the two customer carriers networks depicted. Which two sets of routers must establish MP-iBGP sessions? (Choose two.)

BB-PE-A and CC-PE-B

CC-PE-A and CC-PE-B

BB-PE-A and BB-PE-B

CC-PE-A and BB-PE-A

BB-PE-A and BB-P-A

CC-PE-A and CC-P-A

QUESTION 40
In an Ethernet Virtual Circuit environment, which restriction do bridge domains have when STP is running?

The STP mode must be RSTP or PVST+

Bridge domains must be mapped to a different VLAN.

The STP mode must be MSTP

Bridge domains must belong to different MST instances.

QUESTION 41
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 VRF1
Which action caused this message?

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

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

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

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

QUESTION 42
Which BGP feature causes to replace the AS number of originating router with the AS number of the sending router?

route reflectors

route dampening

confederations

AS override

QUESTION 43

An engineer is trying to configure an EVPN VWPS. What is the issue with this configuration?

The member in the VPWS context should be the PE-facing interface.

The 12vpn evpn command should be instance 101.

Interface GigabitEthernet0/1/0 should not have any IP address.

The service instance and the EVPN instance are different.

QUESTION 44
Refer to the exhibit.

Which statement about this configuration is true?

Router 1 will accept multicast routes with a route-target of 12:1.

192.168.1.2 must be reachable by all routers participating in the mvpn-intranet MVRF.

Router 1 has statically defined thresholds for data MDT.

The MVRF must be configured on each router on the customer and service provider networks.

QUESTION 45
Refer to the exhibit. A network engineer is implementing an OSPF configuration.
Based on the output, which statement is true?

In the ospfv3 1 area 1 ipv4 command, area 0 must be configured instead of area 1.

OSPFv3 does not run for IPv4 on FastEthemet0/0 until IPv6 routing is enabled on the router and IPv6 is enabled on interface Fastfc.thernet0/0

OSPFv3 cannot be configured for IPv4; OSPFv3 works only for IPv6.

IPv6 routing not enabled is just an informational message and OSPFv3 runs for IPv4 on interface FastEthernet0/0 anyway

QUESTION 46
Refer to the exhibit.

Which statement describes the result of this BGP configuration?

R1 operates using IPv4 and VPNv4 address families.

R1 operates on IPv6 only because the bgp default ipv4-unicast command is missing.

R1 establishes a VPNv4 eBGP relationship with neighbor 192.168.1.1.

R1 establishes an iBGP relationship with peer 192.168.1.1.

QUESTION 47
What is a requirement to share VRF reachability information to all members of a VPN when using IPv6?

PE and CE routers must be running BGP as the PE-CE routing protocol

PE routers must have MPLS disabled and be running MP-BGP between all P and PE routers.

PE routers must be running MP-BGP and bgp default ipv4-unicast must be disabled

All PEs must have the same VRFs configured.

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Category Archives: 300-515

[Dec-2023 Newly Released] 300-515 Exam Questions For You To Pass [Q23-Q47]