Share Latest May-2025 300-510 DUMP with 270 Questions and Answers
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NEW QUESTION # 38
Which two of the following are true regarding the BGP Prefix-Based outbound route filtering feature? (Choose two.)
- A. Outbound route filtering can be configured for either iBGP or eBGP sessions.
- B. Outbound route filtering is configured only on a per-address family basis.
- C. IP multicast routes are not supported.
- D. Outbound route filtering is more effective when a distance vector IGP is used.
- E. The outbound route filter can be defined in a Prefix list, Distribute list or Access lists.
Answer: B,C
NEW QUESTION # 39
An engineer is troubleshooting a connectivity issue across the MPLS network and is verifying the forwarding behavior of packets. Which table does the engineer look at to verify the forwarding behavior of an IP packet as it enters the MPLS network at the ingress LSR?
- A. FIB
- B. LIB
- C. LFIB
- D. RIB
Answer: C
NEW QUESTION # 40
Refer to the exhibit. After troubleshooting BGP traffic steering issue, which action did the network operator take to achieve the correct effect of this configuration?
- A. Routes that have originated through AS 65517 have the local preference set to 150.
- B. Routes directly attached to AS 65517 have the local preference set to 150.
- C. Routes that have passed through AS 65517 have the local preference set to 150.
- D. Routes that have passed through AS 65517 have the local preference set to 150 and the traffic is denied.
Answer: C
NEW QUESTION # 41
A network engineer is troubleshooting OSPF multiarea. Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?
- A. DR support for topology management
- B. routing process enabled by default on all interfaces
- C. hierarchical CLI
- D. show ip ospf topology command
Answer: C
Explanation:
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-
0/routing/configuration/guide/rc40xr12k_chapter4.html#con_1059437
NEW QUESTION # 42
Drag and drop the features from the left into the order of operations for SRv6 SSH field creation and forwarding on the right.
Answer:
Explanation:
NEW QUESTION # 43
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?
- A. Advertise the VPNv4 routes of the branch site in CE2.
- B. Redistribute the CE2 OSPF routes in the PE2 VRF.
- C. Redistribute the CE1 OSPF routes in the PE1 VRF.
- D. Advertise the VPNv4 routes of the hub in CE1.
Answer: D
NEW QUESTION # 44
Refer to the exhibit. Routers RA and RB are IS-IS peers configured for NSF but router RC is an IS-IS peer without NSF capability. If RA undergoes processor switchover what is the effect on the network environment?
- A. All peer relationships remain up and the link-state database is unchanged
- B. If RC is operating without the Cisco configuration option all three routers tear down their peering relationships and re-establish peering
- C. All peer relationships remain up, but the link-state database is rebuilt on each device
- D. If RC is operating without the Cisco configuration option only 2 routers tear down their peering relationships and re-establish peering
Answer: C
NEW QUESTION # 45
An engineer is troubleshooting end-to-end customer traffic across an MPLS VPN service provider network. Which tasks should the engineer use to solve the routing issues? Drag and drop the table types from the left onto the most useful troubleshooting tasks/router types on the right. (Not all options are used.)
Answer:
Explanation:
NEW QUESTION # 46
What is the difference between RPL and route-maps?
- A. Unlike RPL. route-maps are supported with IPv4 address families only
- B. Unlike route-maps, only RPL is designed for bulk configuration of multiple devices.
- C. Unlike route-maps, only RPL supports extcommunity sets to group extended communities.
- D. Unlike RPL. route-maps are designed for BGP protocol only.
Answer: C
NEW QUESTION # 47 
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?
- A. Change the deny statement in access list 2 to permit
- B. Remove route-map sequence 30.
- C. Remove the subnets keyword from the redistribute connected subnets route-map filtering command.
- D. Add a set statement to route-map sequence 20.
Answer: A
NEW QUESTION # 48
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?
- A. Switch the IGPs running in the core from IS-IS to OSPF to support a Cisco MPLS TE tunnel from PE1 to PE2.
- B. Configure BGP between CE and PE routers.
- C. Verify the MPLS LSPs.
- D. Confirm that IS-IS is running with metric-style narrow.
Answer: C
NEW QUESTION # 49
For which reason can two BGP peers fail to establish a neighbor relationship?
- A. Their BGP send-community strings are misconfigured
- B. Their remote-as numbers are misconfigured
- C. Their BGP timers are mismatched
- D. They are both activated under an IPv4 address family
Answer: B
NEW QUESTION # 50
Refer to the exhibit.
Refer to the exhibit Router 1 resides in a different data center than Rouler 2 and Router 3. Router 1 is running the IS-IS routing protocol, and it is preconfigured with LDP and segment routing Which configuration must the engineer apply under router isis 111 on Router 1 to implement Tl-LFA on the link to Router 2 without disrupting traffic to Router 3?
- A.
- B.
- C.
- D.
Answer: C
NEW QUESTION # 51
Refer to the exhibit.
Router 1 is a core ABR in a Cisco Unified MPLS environment. All of the router 1 BGP peers are established, but traffic between customers is failing. Which BGP configuration must be added to the configuration?
- A. It must be configured with a route reflector
- B. It must be configured with PIC edge
- C. It must be configured for graceful restart
- D. It must be configured with send labels
Answer: D
NEW QUESTION # 52
Refer to the exhibit. The engineering team noticed route disruptions when DSL subscriber
172.16.20.10 goes offline. In this service provider environment:
- The OSPF backbone area is configured to advertise loopback prefixes.
- The PE routers are running BGP-IPv4 address family in a BGP-free core topology.
- The DSL subscriber IP subnet 172.16.20.10/32 is redistributed in BGP
on PE1.
Which configuration on PE1 resolves the issue?
- A.
- B.
- C.
- D.
Answer: B
NEW QUESTION # 53
Compare different features between OSPFv2 and OSPFv3. Drag and drop the descriptions of OSPF from the left onto the correct OSPF versions on the right.
Answer:
Explanation:
NEW QUESTION # 54
Refer to the exhibit.
Refer to the exhibit While troubleshooting a networking issue an engineer identified a suboptimal communication issue on route reflector RR2 In the current environment Router A is a non-route-reflector client for RR1 and RR2 Routers D and E are directly connected iBGP peers.
Router F is not an iBGP peer of routers D and E
Which action resolves the issue?
- A. Enable next-hop-self for BGP peering on router D.
- B. Enable next-hop-self for BGP peering on router C.
- C. Remove the route-reflector configuration on router RR2.
- D. Disable BGP Client-to-Client reflection on router RR2.
Answer: B
NEW QUESTION # 55
An engineer is troubleshooting end-to-end customer traffic across an MPLS VPN service provider network. Which tasks should the engineer use to solve the routing issues? Drag and drop the table types from the left onto the most useful troubleshooting tasks/router types on the right. (Not all options are used.)
Answer:
Explanation:
NEW QUESTION # 56 
Refer to the exhibit. R1 is directly connected to R2 and R3. R1 is in BGP AS 123, R2 is in BGP AS 2, and R3 is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between BGP peers R1, R2 and R1, R3 is true?
- A. The BGP session comes up between R1 and R2, but not between R1 and R3.
- B. The BGP session does not come up between R1 and R2 and between R1 and R3.
- C. The BGP session comes up between R1 and R2 and between R1 and R3.
- D. The BGP session comes up between R1 and R3, but not between R1 and R2.
Answer: C
NEW QUESTION # 57
Refer to the exhibit. A network engineer configured three new PE routers to expand the network.
The new routers run 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?
- A. On Router 2, redistribute the routes into IGP.
- B. On Router 1, summarize internal routes between areas.
- C. On Router 2, summarize internal routes between areas.
- D. On Router 1, redistribute the routes into IGP.
Answer: C
NEW QUESTION # 58
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