What is a restriction of 6PE?

It cannot be implemented on VRFs.

It is implemented only over eBGP peers.

It is implemented only over iBGP peers.

It adds a value of ::FFFf:: on the IPv4 next hop address.

It cannot be implemented on VRFs.

What does conditional matching operate with RPL?

The matching identifies a set of criteria, and an action is taken based on whether the criteria are the same or different

The matching identifies a group of routes that are removed from the routing table when the administrator defined tags match

The matching identifies tags that are placed on routes from neighboring autonomous systems and drops the routes if they are the same.

The matching identifies a set of criteria, and an action is taken based on whether the criteria are the same or different

The matching identifies interfaces that run the same routing protocol and manipulates data based on the routing rules

Which attribute is used to instruct the router that packets must be processed by an ASA that is associated with the segment?

node SID that identifies a specific network device

service SID with service instructions

node SID that identifies a specific network device

prefix SID that represents a specific route prefix

adjacency SID with unidirectional adjacency instructions

Refer to the exhibit. ISP_1 uses eBGP for connection to all clients LDP with OSPF and IS-IS is used in the ISP_1 network Client_A and Client_B are in the same VRF_VoD. After oftware upgrade on all routers on the ISP_1 network, Client_A has lost the connection to Client_C. A network engineer must troubleshoot the connection from R1 to R4 via M. After initial checks, the engineer confirmed that all routes are installed correctly. Which two tasks must the engineer perform to correct the problem? (Choose two.)

Configure next-hop-self under the BGP configuration on R42.

Configure send-label under the BGP configuration on R42

Configure next-hop-self under the BGP configuration on R42.

Configure mpls label implicit-null under the global configuration on R31.

Configure next-hop-unchanged under the BGP configuration on R31.

Configure ip cef under the global configuration on R31.

Configure send-label under the BGP configuration on R42

network engineer must implement a segment routing policy rule that specifies that SIDs are bounded manually. The policy will be used for traffic steering based on incoming label ..with the binding SIDs, adjacency SIDs, and BGP peering SIDs. All labels will be in the local segment with the range from 40000 to 50000. How must the engineer implement ... label allocation?

Implement a non-default SRGB range in the SR local segment.

Implement the standard default SRGB range in the SR global segment.

Implement a non-default SRGB range in the SR local segment.

Implement a non-default SRLB range in the SR global segment.

Implement the default SRLB range in the SR local segment

Refer to the exhibit. The network is situated at different locations on the customer site. The customer runs a mission-critical application behind CE2. which is connected over a 10 link to the local network of the customer After recent configuration changes to the P and PE routers, an LSP failure has occurred, causing connectivity issues. CE1 is unable to which the CE2 internal IP address Which action resolves this issue?

Change the subnet mask on the PE2 loopback interface from /24 to 32

Implement BGP in the core and configure an MPLS TE tunnel between PE1 and PE2

Configure the ip ospf network point-to-multipoint command on PE2.

Change the subnet mask on the PE2 loopback interface from /24 to 32

Configure the ip ospf network point-to-point command on PE2

Refer to the exhibit. All backbone interfaces on the network are in VRF_MPLS and ip rsvp signalling hello is preconfigured on all MPLS routers in the network. After router R2 is upgraded and its configuration restored from backup. LSP signaled via RSVP that the tunnel from R1 had been tom down The network engineer confirmed IP reachability line the backbone network Which action must the engineer take to fix the issue?

Configure ip rsvp signalling hello refresh interval 20 under the interface GiO/0 configuration on R1.

Configure ip rsvp udp neighbor 172.16.10.1 vrf VRFMPLS under the global configuration on R2.

Configure ip rsvp listener outbound reply 172.16.10.1 vrf VRF_MPLS under the global configuration on R2.

Configure ip rsvp signalling hello refresh interval 20 under the interface GiO/0 configuration on R1.

Configure ip rsvp udp-multicasts 172.16.10.2 vrf VRFMPLS under the interface GiO/0 configuration on R1

Refer to the exhibit Dedicated MPLS Layer 3 services for VRF customer A are configured on the MPLS network for FTP access OSPF with area 0 configuration is used as the interior routing protocol between the routers, and LDP is up and running on the MPLS network. After recent maintenance work on the MPLS network. IP address 172.16 100 1 cannot access the FTP server with IP address 172.16 192.21 All loopbacks are reachable on the network Which configuration must the engineer apply to correct the problem?

Configure ip ospf network point-to-point under the Lo0 interface on R33

Configure passive-interface under the Gi0/2 interface on R22

Configure ip ospf network point-to-point under the Lo0 interface on R33

Configure network 33.33.10.1 0.0.0.255 area 0 under the OSPF configuration on R33

Configure ip cef under the global configuration on R22

Refer to the exhibit. All routers in the network are in area 12. with IS-IS running in the default configuration as the IGP To avoid congestion on the link from R1 to R2 the network architect planned for traffic from R1 to R3 to pass through R4 To meet the requirement a network engineer set the metric from R1 to R4 to a cost of 15 but the traffic is still travelling through R2 Which action must the engineer take to resolve the issue?

Change the cost on the link from R1 to R4 to 5

Change the default metric to 20 on all links and disable wide area metrics

Change the cost on the link from R1 to R2 to 11 and enable narrow metrics

Change the cost on the link from R1 to R4 to 5

Change the IS-IS administrative distance to 10

Refer to the exhibit. IS-IS runs in the network and all routers are in the same area R1 statically routes to distribute traffic with R6 and the networking team has redistributed the static routes on R1 into IS-IS Hosts on R3 need access to servers connected to R6 A tag has been applied to the routes to manipulate routes along the path but routers running IS-IS are still unable to reach the redistributed routes Which action must the team take to resolve the issue?

Configure the IS-IS routers with metric-style wide

Configure the routers as Level 1/Level 2 routers

Configure R3 with a default route that uses R2 as the next hop

Configure the IS-IS routers with metric-style wide

Configure the route map with an additional route-map set-tag permit 10 sequence

Refer to the exhibit. After maintenance to activate BGP neighbors connecting a new data center attached to R1,L3VPN customers attached to OSPF domain 100 lost connectivity to services in OSPF 200 and OSPF 300 However Unified MPLS services within OSPF 100 remain reachable Which action must the network engineer take to resolve the outage?

Reset the BGP session between R1 and R2

Activate BGP neighbors between the new data center and R2 and R3

Establish new MPLS LSPs from R1 to R2, R3 and R4

Raise the maximum prefix limit on R2 to 1560 or more

Refer to the exhibit. A company has been running OSPF and EIGRP on two separate portions of the network To allow communication flow between these previously isolated parts of the business the networking team just configured R2 to mutually redistribute routes between EIGRP and OSPF R3 has the OSPF routes in its routing table but R1 is failing to receive EIGRP routes for the link between R2 and R3 Which action must the team take to resolve the issue?

Configure the redistribution statement with the subnets keyword under the R2 OSPF configuration

Configure a virtual link between R1 and R2 to handle traffic without an assigned area

Configure R1 with a static route with the next hop set to R3 with the vrf keyword to avod the global routing table

Which type of policy does an IPv6 ISATAP tunnel support?

policies to transmit IPv6 traffic within a site

policies that transmit Connectionless Network Service packets

policies to transmit IPv6 traffic within a site

policies to transmit IPv6 traffic over a point-to-point tunnel

policies that require addresses to have a 2002 716 prefix

Refer to the exhibit. Routers R1 and R2 are RFC 5036-based MPLS-enabled core routers MPLS IP is enabled globally on both routers OSPF with area 0 configuration is used as an interior routing protocol between the routers After new services were enabled on the MPLS network, LDP connectivity failed on R1 TCP/UDP port 711 is confirmed to be open Which two actions must the engineer take to correct the problem? (Choose two.)

Configure network 10.10.140.192 0.0.0.0 arta 0 under the OSPF configuration on R2

Configure mpls ip under the Gi0'0 interface on R1

Configure network 10.10.140.192 0.0.0.0 arta 0 under the OSPF configuration on R2

Configure mpls label protocol Idp under the Gi0/0 interface on R1

Configure mpls ip under the Gi0'0 interface on R1

Configure network 10.10.140.192 0.0.0.255 arta 0 under the OSPF configuration on R2

Configure labtl mpls ip protocol tdp under the Gi0 0 interface on R1

Refer to the exhibit. A regional service provider provides connectivity for several midsize businesses that run mission-critical applications between multiple offices connected via PE 1 and PE2 Links throughout the service provider network are connected using shared resources and an SR-TE tunnel is in use to route traffic over different paths depending on congestion policies The networking team must implement SR updates to reduce downtime in the event of a link failure. Which action must the team take to meet the requirements?

Implement SRLG protection to identify a post-convergence backup path

Implement BGP timers to support immediate reconvergence when the BGP neighbor relationship status changes.

Implement targeted LDP neighbors to prevent unwanted LDP relationships from forming

Implement VRFs to segment the network and avoid large-scale network outages when a link fails

Refer to the exhibit.The service provider provides IPv6 connectivity to large enterprise customers with offices spanning several geographic regions SRv6 is running in the service provider core The service provider just signed a contract with a new customer that is still running IPv4 The new customer needs connectivity between its two sites connected via CE1 and CE2 and the internet Which action must the service provider s network-engineering team take to provide connectivity across the SRv6 data plane?

Encapsulate IPv4 traffic from the CEs on their respective PEs through a TE path between PE1 and PE2.

Translate the IPv4 addresses to an IPv6 address on each CE

Redistribute the IPv4 routes from CE2 and CE1 on their respective PEs

Implement an NTP master and sync the timers on the P and PE routers

Refer to the exhibit. AJI four routers on the network reside in the same data center The four routers are running IS-IS between them in Level 1 mode within an IPv4 network After a network engineer installed several new servers connected to R4, users connected via R1 reported they could not connect to applications on the servers The engineer has determined that R4 is receiving routes from R3 but it is failing to receive routes from R1 Which action must the engineer take to resolve the issue?

Configure R2 and R3 to be Level 1/Level 2 routers

Configure R3 only lo be a Level 1'Level 2 router.

Configure R2 and R3 to be Level 1/Level 2 routers

Configure R2 only to be a Level 2 router

Configure R1 and R4 to be Level 2 routers

Refer to the exhibit. EBGP peering is up between BGP AS 65101 and BGP AS 65201 The service provider expects traffic convergence within 300ms between the two autonomous systems but the network operations team sees that route and traffic convergence is too slow Which two actions improve the convergence time? (Choose two.)

Change the bfd multiplier value to 3 on routers RN and RM

Change the bfd interval value to 100ms on routers RN and RM

Change the bfd multiplier value to 3 on routers RN and RM

Configure fall-over bfd under the BGP instance for BGP neighbors on RN

Configure bfd interval 50 min_rx 100 multiplier 6 on the connected interfaces on RN and RM

Configure bfd interval 50 min_rx 50 multiplier 6 on the connected interfaces on RL and RY

Change the bfd interval value to 100ms on routers RN and RM

Refer to the exhibit. Early in the growth cycle of a small enterprise the network-engineering team implemented segment routing to support automation of the IPv4 network As the network grew organically more devices were added and the company migrated to SRv6 The company is now planning to significantly expand the number of hosts connected to R2 and R6 which will require further path manipulation Which action must the team take to customize the route that traffic takes between endpoints in the network?

Implement the flexible algorithm to customize the shortest path through the network

Implement MLAG to reduce traffic load on heavily congested links

Implement spanning-tree protocol to avoid loops between excess devices in the network

Implement priority queuing to drop non-mission-critical traffic.

What are two major differences between OSPF and IS-IS routing protocols? (Choose two.)

OSPF uses IP protocol 89 foe encapsulation and IS-IS uses an IEEE 802 3 standard-based protocol foe encapsulation

The OSPF DR role can be pre-empted only when the active DR goes down, but the IS-IS DR role can be taken by a router with higher priority at any time

OSPF uses IP protocol 89 foe encapsulation and IS-IS uses an IEEE 802 3 standard-based protocol foe encapsulation

The OSPF default administrative distance is 115 and the default administrative distance for IS-IS is 110

The OSPF DR role can be pre-empted only when the active DR goes down, but the IS-IS DR role can be taken by a router with higher priority at any time

OSPF partially refreshes the LSA database every 30 minutes, and IS-IS refreshes the complete database table every 60 minutes

An OSPF-enabled router is part of only one area but an IS-IS-enabled router is part of multiple areas

RPL has several fundamental capabilities that differ from those present in configurations oriented to traditional route maps Routing policy language introduces the notion of sets Which group of set types is valid in RPL?

as-path-set community-set. extcommunity-set prefix-set and rd-set

acl-path-set community-set pre-community-set prefix-set and bgp-set

as-path-set community-set. extcommunity-set prefix-set and rd-set

access-control-set, community-set post-community-set pre-prefix-set and routed-set

route-path-set, community-set in-community-set prefix-set and rd-set

Which fact must a network architect consider when implementing IGMP in a multicast routing environment?

If SSM is in use IGMPv3 must be enabled

If BISS support is required IGMPv2 must be enabled

If leave latency is critical IGMPv3 must be enabled

If PIM-DM is required, IGMPv2 must be enabled

Refer to the exhibit. A network engineer at a large ISP with an employee ID 4876 94 052 started to configure OSPF on two routers The engineer notices that router 1 learned about network 20 20 20 0/24 from router 2, but router 2 did not learn about 10.10 10.0/24 from router 1 Layer 2 and Layer 3 connectivity are working between the two routers and the physical connection between the devices is functioning. Which action must the engineer take to resolve the issue?

Replace the router 1 OSPF network configuration with network 10.10.10.0 0.0.0.255 area 0.

On router 1 configure a route map with a distribution list for the 10 10.10 0/24 network.

Replace the router 2 OSPF network configuration with network 10.10.10.0 0.0.0.255 area

On router 2 configure a route map with a distribution list for the 101010 0/24 network

The engineering team at ISP_1 must improve network stability time and minimize the impact of routing instabilities from other domains to unicast transit services in the backbone R1 is part of an OSPF- enabled network, and acts as an ASBR connected via interface GiO/1 to the external domain The OSPF exponential backoff algorithm RFC 3623 with helper mode is already implemented on R1 Which additional configuration must the ISP_1 team apply to suppress routing instability for 3 minutes'?

Configure ip ospf resync-timtout 180 under the Gi0'1 interface configuration

Configure ip ospf timer nsf interval 3 under the global Gi0'1 interface configuration

Configure nsf ittf restart-inttrval 180 under the global OSPF configuration

Configure nsf ospf wait 3 under the global OSPF configuration

Refer to the exhibit. The service provider deployed segment routing in its core P2 is connected to P3 and P4 via a point-to-multipoint link as shown The service provider provides connectivity for a large enterprise with three main offices in different geographic regions Each office is connected via one of the three PEs The enterprise wants to implement multicast traffic across the service provider to stream mission-critical applications between sites The applications will be sourced from a server connected to the network through PE2 Which action must the network-engineering team take so that multicast traffic will flow between the enterprise sites over the point-to-multipoint link?

Implement SR Tree-SID to build a multicast replication tree over the point-to-multipoint link

Implement RSVP to reserve bandwidth on the link between PE2 and P2

Implement PIM-DM to flood multicast traffic from the enterprise into the service provider core

Implement MLDP to allow multicast traffic to flow within the single AS

Implement SR Tree-SID to build a multicast replication tree over the point-to-multipoint link

Cisco 300-510 Practice Test 7 - Free Online Exam Questions 241-269

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