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Refer to the exhibit.
A network operator wants to expand the segment routing global block in upcoming
maintenance. The operator must ensure that the changes to the segment routing global block have no adverse impacts on the prefix-sid associated with the loopback0 interface used within the OSPF domain.
Which command can the operator use to enforce R2 to have a strict prefix-sid assignment to loopback0?
A network operator working for a telecommunication company with an employee id: 4074:92:707 is planning to implement the Nonstop Forwarding (NSR) feature on the customer’s core network. After getting the configuration ready for NSR. on which router should the operator implement NSR changes?
Refer to the exhibit. Mid-sized company Z connected two branch offices via a multicast-enabled ISP using the BGP routing protocol. PIM was implemented to support multicast streaming between the branches via MSDP Client A cannot connect to the multicast stream source of company Z. The network engineer ran a debug on the edge of the network as shown. Which action resolves the issue?
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.)
Which difference must an engineer consider when choosing whether to implement OSPF or IS-IS as the routing protocol on the network?
Refer to the exhibit. R21 is a multicast source sending multicast traffic 224.1.1.1 to R23, with RP22 serving as the rendezvous point inside AS65222. A network engineer noticed that when R21 goes down, R12 in AS65111 starts to send the same multicast group 224.1.1.1 through RP11. Which action resolves the issue ?
Refer to the exhibit.
While configuring router 2 with all the default values, a network engineer cannot see any route received in router 1. How should the engineer solve the issue?
Refer to the exhibit.
Router 1 and Router2 have shared routes in the OSPF database but the routes are missing from their routing tables. Checking me prefix-list configuration on both routers, the engineer confirmed all networks are allowed What action should the engineer take to fa the problem?
Refer to the exhibit. An engineer working for a private telecommunication company with an employee id: 4233:46:364 notices that the customer network going through AS30-AS65001-AS65000 is experiencing packet drops when it accesses an ap plication at 172.16.20.1/32 In the DC cloud. The BGP link between AS20 and AS30 is inaccessible because of a fiber cut. Routers RL, RN, and RZ are configured with confederation identifier 10. Which action resolves this Issue?
Refer to the exhibit.
OSPF is an interior routing protocol on the network. R2 Is In the backbone area, and R4 is In a totally NSSA area. R5 announces only the 0.0.0.0/0 route to R4 via BGP. R4 is configured with redistribute bgp 736 metric-type 2. After the most recent maintenance window. R2 no longer has the default route via R4. Which action must the network engineer take to correct the reachability problem?
Refer to the exhibit.
P1 and PE3 Cisco IOS XR routers are directly connected and have this configuration
applied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routers
can open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)
A network administrator is planning an upgrade for a PE router that has BGP peering sessions with several CE routers. The SLA has stringent uptime requirements, so the administrator wants to implement BGP NSR with SSO to provide fast convergence during the upgrade. Which action must the engineer take as part of the NSR implementation?
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?
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?
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?
STION NO: 82
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?
After an engineer configures BGP in R1, it starts receiving this message
*Jun 29 13:30:50.122: %BGP-5-ADJCHANGE: neighbor 192.168.10.1 Down User reset
Jun 29 13:30:52.341: %BGP-3-NOTIFICATION: sent to neighbor 192.168.10.1 2/6 (unacceptable hold time) 0 bytes
Which action makes the peering come back up again?
Refer to the exhibit
Router R1 is configured to advertise outgoing SA messages to routers R2 and R3, but to receive incoming SA messages only from R2. Which additional configuration must an engineer apply to router R1 so it filters all MSDP SA messages from Domain-C?
Refer to me exhibit.
A network engineer sets up a multihoming eBGP topology where multiple Autonomous Systems connect to ASN 64501. The engineer wants to block all the routers coming from ASN 64502. but allow all the others. For that purpose, the following AS Pam prefix 1st s being used:
What must be fixed to achieve this result?
Which attribute is used to instruct the router that packets must be processed by an ASA that is associated with the segment?
Refer to the exhibit. An engineer is troubleshooting a network routing issue on this IS-IS network situated at the customer ' s regional hub. Router 2 that runs Cisco IOS XR Software cannot see the network 10.1.1.0/24 on router 1. The Layer 2 encapsulations are correct. The ARP connectivity for the Ethernet interface that runs IS-IS is working. Which action resolves the issue?
An engineer configured OSPF on all routers in the data center in the same exchange as other routers Layer 2 connectivity was established. Now, the engineer plans to implement BFD to detect failures in the forwarding path. Which action must the engineer take?
Refer to the exhibit A network engineer installed a new router (router 3) at the regional hub running MPLS services for scalability Router 3 is connected to the 10.44 4.0, ' 24. 10.44 5.024. 10 44.6.0/24. and 10 44 7 0/24 subnets The new router has been configured for OSPF area 2. and it is advertising the four connected networks. The engineer noticed that the same networks are listed as interarea summary routes, and they are being flooded into each area on the area borders Which action resolves the issue?
Refer to the exhibit.
A network operators configuring BGP PIC on CE1 on already established neighborships with PE1ana PE2 inside the fully converged MPLS network Which element needs to be implemented to make this feature function effectively?
ION NO: 86
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?
Drag and drop the features from the left into the order of operations for SRv6 SSH field creation and forwarding on the right.
Refer to the exhibit A network engineer configured the redistribute connected subnets route-map filtering command on R1 to redistribute connected interfaces to the OSPF process The engineer also wants to filter out IP address 10 0 1 0/24. but the prefix still appears in the routing tables of the other routers on the network. Which action corrects the problem?
Drag and drop the features from the left onto the corresponding routing protocols on the right
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?
NO: 93
Which fact must a network architect consider when implementing IGMP in a multicast routing environment?
Refer to the exhibit.
CE1 and CE2 cannot communicate through the service provider BGP peering is
established between PE1 and PE2. IS-IS is the only routing protocol running in the service provider core. What
step can be done to troubleshoot the issue?
Refer to the exhibit.
Customer traffic from the branch site to the hub is experiencing packet drops. The engineer verified that:
Customer traffic from the hub is able to reach the branch site.
The connection between PE1 and PE2 is working normally.
Routers P1 and P2 are able to ping devices on the hub site.
Which action resolves the issue?
Refer to the exhibit. Company X is multihomed to a service provider. With the default settings, the link between PE2 and CE1 is the primary link, but company X has asked for the link between PE4 and CE2 to operate as the primary instead. A network engineer used a route map with local-preference to manipulate the routes from PE2 to CE1 to be less desirable and applied the route map on PE2 outbound to CE1. However, the path from PE2 to CE1 is still preferred. Which action must the engineer take so that the desired path is chosen?
Which two differences should be considered when deciding whether to implement to implement routing policies or route maps? (Choose two.)
Refer to the exhibit. A network engineer is investigating a report of packet drops in an application running on a server connected to PE2 The engineer determined that:
The OSPF adjacency in area 0 is up. and it is learning the loopback addresses of all routers in area 0.
Traffic from users connected to PE1 to the application is also passing normally.
Packets from PE2 back to PE1 are being dropped
Which action resolves the issue?
Refer to the exhibit.
Which two commands must the engineer configure for the company ' s PIM-PIM network to enable Auto-RP mappings to be sent over the FastEthernet0/0 interface without affecting normal operation? (Choose two)
Refer to the exhibit. Users connected to an application on 1.1.1.1 via routers CE1 and CE2 are complaining of frequent disconnections. While troubleshooting the issue, a network engineer with an employee ID: 4333:96:916 determined that the application itself is working normally, but the link connected to the 1.1.1.1 application is flapping. The users on CE1 and CE2 are accessing applications on 2.2.2.2 without difficulty. Which action resolves the issue?
The ISP_A network is configured with PIMv2 with sparse mode. The engineering team at ISP_A must implement multicast support following RFC 5059 in the network. The RP priority will be 0, and the solution must require limited supervision from the operations team. Which action must the team take to meet the requirements?
Refer to the exhibit. Multicast traffic destined from T1 and T2 routers to RP routers works well. A network engineer observes problems with multicast traffic flows between Site-A and Site-B. Site-A users fail to receive multicast stream on Site-B via RPTY site, while Site-B users fail to receive multicast stream on Site-Avia RPTZ site. Which action must be implemented to resolve the issues?
Refer io the exhibit.
While applying the configurations on two routers an engineer notices that OSPF adjacency Between them remains down Through the ping test the engineer confirmed that both me routers have Layer 3 reachability between them Which action should me engineer take to make the adjacencies to full?
Refer to the exhibit. Which duplicate configuration causes this message during setup of an MPLS BGP network?
Drag and drop the BGP attributes from the left into the order of route selection preference on the right.
Refer to the exhibit.
.
R1 is expected to receive routes originating from AS 65516 and from any ASs that are directly attached to it. However, R1 is receiving routes only from AS 65516. Which action corrects the configuration?
Refer to the exhibit. CE1 and CE2 use connectivity over the service provider cloud to reach CE3 In the event of a link failure in the service provider cloud which BGP feature relies on IGP convergence to quickly assist in the installation of a backup path?
An engineer with an employee ID: 4441 70:118 must implement PIM-SSM in the network to support a new multicast messaging service. All the routers in the network run a distance vector routing protocol. Unicast routing is established on the network and is working normally. What must the engineer enable to continue the implementation process?
Refer to the exhibit.
All routers on this network have been configured with P1M-SM and R1 is the rendezvous point However, when asymmetric routing is implemented to modify link usage the network begins to drop certain multicast traffic Which action corrects the problem?
Refer to the exhibit.
A network operator is getting the route for 10.11.11 0/24 from two upstream providers on
#XR3. The network operator must configure #XR3 to force the 10.11.11.0/24 prefix to route via next hop of 10.0.0.9 as primary when available. Which of these can the operator use the routing policy language for, to enforce this traffic forwarding path?
For which reason can two devices fail to establish an OSPF neighbor relationship?
Refer to the exhibit Networks 172.16.31.0/24 and 172 16 30.0/24 are advertised in area 34. and network 172.22 10.0/24 is advertised in area 0. A recent security review discovered that users connected to routers R1 and R2 have been making unauthorized access to an application running on network 172 16 31 0/24 An engineer determined that routers R1 and R2 are receiving updates for network 17 16 31 0/24 Which action resolves the issue?
Refer to the exhibit. A network consultant is updating the company s MPLS solution and configuring several new PE devices to enable full communication among PE devices connected to the network. The updates must ensure the redundancy and scalability of the network The egress LSR is configured with mpls Idp explicit-null While configuring the given PE router to be adjacent to the egress LSR. the consultant notices that MPLS forwarding is not working in the network Which action resolves the issue?
Refer to the exhibit.
A network engineer has divided AS into confederations. Due to repeated ASN, when the 10.0 0.0/8 prefix from R1 arrives to R2, BGP automatically rejects it. What should the engineer do to fix the problem so that BGP allows that prefix on R2?
Refer to the exhibit. A network engineer configured three new PE routers to expand the network. The new routers run in the IS-IS routing protocol and reside in the data center in the same exchange as the existing routers. However, the network is now experiencing suboptimal routing. The Layer 2 configuration and VLANs are configured correctly to provide segregation between networks, but the Level 1 routes are not being converted to Level 2 routes. Which action resolves the issue?
ION NO: 91
What are two major differences between OSPF and IS-IS routing protocols? (Choose two.)
Refer to the exhibit. A service provider has LDP and segment routing running in the network. Mobility traffic is carried through LDP and enterprise traffic is carried through segment routing. Which configuration must be implemented to connect the bank branch with the HUB site on routers?
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Software?
Refer to the exhibit. R1 is sending data traffic to R6 using the same SRGB range as the other routers in the topology, but it is also using a non-default SRLB range. Which two configuration tasks must the engineer perform to enable normal SRGB and SRLB operations on this network? (Choose two.)
Refer to the exhibit.
A network engineer applied configuration on R1 to summarize all ISIS routes, but R2 Is still receiving specific routes from R1. The engineer has confirmed that both routers are configured with the correct summarization configuration, but R1 is not sending the correct summary routes. Which configuration must be applied to router R1 to summarize routes within Level 1?
Which lag command is used within route-map to redistribute routes that match with routes tagged with the specified tag numbers?
Refer to the exhibit.
Company_A hosts multiple online VoD platforms. R3 is connected to MAN with a 100 Mbps link R2 has only a 10 Mbps connection, but it has the lowest number of hops to R1 A network engineer must allow users in area 49.421e.2331 5548.7624 00 to access online library resources, using the best possible route toward the online platforms to guarantee the highest connection quality. After the engineer implements the requirements, they notice an excessive number of routes in the R4 routing table and high memory consumption on the router. Which two actions must the engineer take to resolve the issue? (Choose two.)
Refer to the exhibit.
Routers R1 and R2 reside in AS 65530, which is multihomed to the Internet. A network engineer expects devices in the AS to use R2 to access the Internet, but they are using R1 as the exit point from the AS. Which action corrects the problem?
Refer to the exhibit.
A network operator is troubleshooting TE tunnels and discovers that the soft preemption is not working as desired. Where should the soft preemption be applied to solve the issue?
Refer to the exhibit. An engineer working for a private telecommunication company with an employee id 4115 46 881 is enabling a segment routing solution with these requirements.
A service provider is using the default range for prefix SID.
PE1 must allocate the first SID from the default range for the loopback address
PE1 and PE2 loopback SID allocation should have a minimum difference of 500.
Which configuration must be implemented to meet the requirements?
A network engineer recently deployed a wireless network for users at a new office to join video conferences wirelessly The existing network consists of routers that are configured for EIGRP and BGP. which are located at several data centers in different physical locations The engineer configured PIM-SSM within a single domain from a single source However, during the testing phase, the video conference failed to work for any of the users. The IPs are reachable and firewalls in the network are configured correctly to allow the traffic. Which action resolves the issue?
TESTED 05 May 2026
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