300-510 Sample Practice Exam Questions 2026 Updated Verified
Exam Study Guide Free Practice Test LAST UPDATED 300-510
Passing the Cisco 300-510 exam demonstrates that a network engineer has the knowledge and skills required to implement advanced routing solutions for service providers. Implementing Cisco Service Provider Advanced Routing Solutions certification is highly valued in the industry and can lead to better job opportunities and increased earning potential. To succeed in 300-510 exam, candidates should have hands-on experience with advanced routing technologies and a deep understanding of networking concepts.
Cisco 300-510 exam is a certification test that validates the skills and knowledge of IT professionals in implementing advanced routing solutions in a service provider environment. 300-510 exam is designed for network engineers and other professionals who want to enhance their expertise in deploying and managing complex routing technologies such as BGP, OSPF, and IS-IS.
Cisco 300-510 exam is a part of the Cisco Certified Network Professional (CCNP) Service Provider certification program. Implementing Cisco Service Provider Advanced Routing Solutions certification program provides individuals with the knowledge and skills to design, implement, and troubleshoot Cisco service provider networks. Implementing Cisco Service Provider Advanced Routing Solutions certification exam covers a range of topics including OSPFv2, OSPFv3, IS-IS, BGP, and MPLS. Candidates are also required to have a good understanding of the different service provider network architectures and technologies.
NEW QUESTION # 12
Refer to the exhibit. The extension header of the IPv6 header is ignored when which value is equal to zero?
- A. Next Header
- B. Segments Left
- C. Hdr Ext Len
- D. Routing Type
Answer: B
Explanation:
If Segments Left is zero, the node must ignore the Routing header and proceed to process the next header in the packet, whose type is identified by the Next Header field in the Routing header.
NEW QUESTION # 13 
Refer to the exhibit. After you applied these configurations to routers R1 and R2, the two devices could not form a neighbor relationship. Which reason for the problem is the most likely?
- A. The two routers cannot authenticate with one another.
- B. The two routers have the same area ID.
- C. The two routers have different IS-types.
- D. The two routers have the same network ID.
Answer: D
NEW QUESTION # 14
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?
- A. Configure MVRF on all routers in the MPLS network
- B. Open TCP and UDP ports 464
- C. Configure Cisco Express Forwarding on all routers in the MPLS network
- D. Open TCP and UDP ports 179
Answer: C
NEW QUESTION # 15
Drag and Drop Question
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 # 16
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. All peer relationships remain up, but the link-state database is rebuilt on each device
- C. If RC is operating without the Cisco configuration option only 2 routers tear down their peering relationships and re-establish peering
- D. If RC is operating without the Cisco configuration option all three routers tear down their peering relationships and re-establish peering
Answer: B
NEW QUESTION # 17
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?
- A. Add a static Mroute for routes that are failing.
- B. Remove the asymmetric routing and use spanning tree to manage link usage.
- C. Place the routes affected by asymmetric routing in a VRF.
- D. Configure the routers to use PIM-DM instead of PIM-SM.
Answer: C
NEW QUESTION # 18
Refer to the exhibit.
Refer to the exhibit. A network engineer commissioned Router 1, which connects lo Router 2 and Router 5 Router 1 participates in IS-IS routing with other routers, but it is not used for transit traffic. Traffic from Router 2 to Router 5 is expected to travel via Router 1 but the traffic is travelog via Router 3 and Router 4 Which action reserves this problem?
- A. Remove the hello padding on Router 5
- B. Remove the overload bit on Router 1.
- C. Add the overload bit on Router 5
- D. Add hello padding on Router 1
Answer: B
NEW QUESTION # 19
Drag and drop the route-manipulation methods from the left onto their features on the right
Answer:
Explanation:
Explanation:
As-path filter - It uses regular expressions to filter traffic
Route-map - It matches packets with specified criteria and performs configured actions against them Distribute list - if filters routes into and out of routing protocols Offset-list - It converts incoming and outgoing metrics on RIP and EIGRP route
NEW QUESTION # 20
Refer to the exhibit.
A network operator must stop 10.33.33.33/32 from being redistributed into Level 1 router XR1. Which configuration meets this need?
- A. Option C
- B. Option D
- C. Option A
- D. Option B
Answer: A
NEW QUESTION # 21
Which statement about BFD on Cisco IOS XR Software is true?
- A. BFD is not compatible between Cisco IOS XR and Cisco IOS Software.
- B. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
- C. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.
- D. Cisco IOS XR Software does not support BFD multihop for IPv4.
Answer: B
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-3/routing/configuration/ guide/b-routing-cg-asr9000-63x/b-routing-cg-asr9000-63x_chapter_0100.html
NEW QUESTION # 22
Refer to the exhibit. An MPLS core network has connectivity issues R4 has failed. It impacts traffic loss between R1 and R8. Customers report no access to their file servers, which delays their transformation work. Which quick action resolves the issue until R4 recovers?
- A. Enable MPLS TE fast reroute on router R1 and Link and Node protection on router R2.
- B. Disable traffic engineering so that traffic prefers the IGP path
- C. Configure IBGP full mesh for faster convergence.
- D. Implement Link and Node protection on routers R2 and R7.
Answer: A
NEW QUESTION # 23 
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?
- A. Apply route filtering on router R3 only.
- B. Apply route filtering on router R4 only.
- C. Apply route filtering on routers R3 and R4.
- D. Apply route filtering on routers RI and R2
Answer: B
NEW QUESTION # 24
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. Verify the MPLS LSPs.
- B. Confirm that IS-IS is running with metric-style narrow.
- C. Configure BGP between CE and PE routers.
- D. Switch the IGPs running in the core from IS-IS to OSPF to support a Cisco MPLS TE tunnel from PE1 to PE2.
Answer: A
NEW QUESTION # 25
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?
- A. Remove the neighbor statements from the address family configuration and activate the neighbor globally on R1.
- B. Configure the route map with a local preference of 200 or higher.
- C. Change the route map direction in the neighbor statement to out
- D. Add a sequence number to the route map to remove the implicit deny.
Answer: C
NEW QUESTION # 26
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 Gi0/1 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'?
- A. Configure nsf ittf restart-inttrval 180 under the global OSPF configuration
- B. Configure nsf ospf wait 3 under the global OSPF configuration
- C. Configure ip ospf timer nsf interval 3 under the global Gi0'1 interface configuration
- D. Configure ip ospf resync-timtout 180 under the Gi0'1 interface configuration
Answer: D
NEW QUESTION # 27
Refer to the exhibit. Users at the branch office on R1 reported issues with an application at the home office on R4. While troubleshooting the issue, a network engineer determined that:
- The branch-office users can connect to the home office.
- The IS-IS adjacencies between R1 and R2 and R1 and the branch office
are up.
- Traffic from R1 to the R2 10.20.1 .0/24 network is moving normally.
- The application at the home office is experiencing packet drops on
the connection to the branch, and R3 cannot reach the R1 172.16.10.0/24 network.
Which action resolves the issues?
- A. Configure the IS-IS core instance on the R2 GigabitEthernet0/1 interface.
- B. Configure the IS-IS core instance on the R1 GigabitEthernet0/3 interface.
- C. Redistribute static connected routes in IS-IS on router RI.
- D. Redistribute static connected routes in IS-IS on router R4.
Answer: B
NEW QUESTION # 28
Refer to the exhibit. An engineer working on a client's network is trying to solve the BGP community issue on R1 and R2 routers. After displaying the BGP entries, the engineer notices that both routers still have different outputs. Which action must the engineer perform to any of the routers to correct the problem and get the same output?
- A. Advertise the route to Router2 as extended community.
- B. Advertise the route to Router2 as standard community.
- C. Execute the lp bgp-community new-format command in Router1.
- D. Remove the lp bgp-community new-format command in Router1.
Answer: C
Explanation:
https://www.noction.com/blog/understanding-bgp-communities
NEW QUESTION # 29
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