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If you target the CCNP Service Provider, the Cisco 300-510 test comes second after 350-501 exam, normally called the core validation. 300-510 test, on the other hand, is among two other concentration tests, namely, the Cisco 300-515 and 300-535. To add more, 300-510 exam is into topics like routing protocols, MPLS, segment routing, and policy language. The duration set aside for it is 1.5 hours and the amount to pay during registration is $300. Sadly, Cisco does not give any report regarding the least score that takers of this test should get for the sake of becoming certified. So, striving for high marks should be your aim. However, in case your attempt is not successful the first time, there is a chance to redo the test once five days have elapsed from the date you attempted it.
The best audience for exam 300-510 include network administrators, network designers, project managers, and system engineers, among other specialists.
Cisco 300-510 exam is a 90-minute test comprising of 60-70 questions. 300-510 exam is available in English and Japanese languages and can be taken at any Pearson VUE testing center. 300-510 exam is designed to assess the understanding and knowledge of candidates in implementing advanced routing technologies and solutions in a service provider environment.
NEW QUESTION # 35
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. Verify the MPLS LSPs.
- C. Confirm that IS-IS is running with metric-style narrow.
- D. Configure BGP between CE and PE routers.
Answer: C
NEW QUESTION # 36
Which technique should be permitted on ASA Firewall to allow MSDP Peering?
- A. PIMv2 messages carrying MSDP messages
- B. Multicast BGP carrying MSDP messages
- C. UDP socket(s) carrying MSDP messages
- D. TCP socket(s) carrying MSDP messages
Answer: D
NEW QUESTION # 37
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?
- A. Make a soft reset to the peer.
- B. Set up a minimum hold-down timer higher.
- C. Set up a hello timer higher.
- D. Set up a hold-down timer higher.
Answer: D
NEW QUESTION # 38
What is used by SR-TE to steer traffic through the network?
- A. shortest path calculated by IGP
- B. explicit maps
- C. dynamic rules
- D. path policy
Answer: D
Explanation:
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/segment-routing/configuration/ guide/b-seg-routing-cg-asr9k/b-seg-routing-cg-asr9k_chapter_0100.html
NEW QUESTION # 39
Refer to the exhibit.
CE1 and CE2 are iBGP neighbors in AS 65516. All traffic that exits AS 65516 must use the link from CE1 to PE1. CE1 is advertising a higher local preference to CE2, but traffic from CE2 still prefers the PE2 link. Which action corrects the problem?
- A. Add the next-hop self command to the CE1 neighbor statement for CE2.
- B. Configure CE1 to send routes to CE2 with a higher MED.
- C. Add the lower local-preference value on PE2 towards CE2.
- D. Configure CE1 to send routes to CE2 with a higher weight.
Answer: A
NEW QUESTION # 40
Refer to the exhibit.
An engineer has successfully fixed BGP peering issue. R1 has an established eBGP peering with R2 and R3. Which mechanism should the engineer apply in order to steer the traffic correctly?
- A. The local preference attribute can be applied on R3 to influence AS 65513 to use AS 65515 as the secondary path.
- B. The IGP metric can be manipulated on R1 to allow traffic to be load balanced between R2 and R3.
- C. The MED attribute can be applied on R2 to influence R1 to use it as the primary path.
- D. The weight attribute can be applied on R2 to influence AS 65513 to use AS 65515 as the primary path.
Answer: B
Explanation:
Some level of load balancing is achieved by default as BGP prefers shortest AS_PATH for certain prefix (Cisco BGP path selection algorithm - rule 4) . If 1-7 rules gives no preference for certain prefix then with rule 8. Prefer lowest IGP metric to BGP next hop we can force traffic to R2 or R3 influencing load distribution.
NEW QUESTION # 41
Refer to the exhibit.
Refer to the exhibit The branch office in area 10 is connected to HQ via Frame Relay uplinks with bandwidth constraints After a recent implementation of QoS on the R2 and R3 networks the system has been logging %SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x224E321, alignment 0 messages To reduce traffic load and memory utilization on R2 and R3 the network engineer configured R1 to announce only one user subnet per location by issuing the summary address 192.168.0.0 255.255.248.0 command en R1 However, the engineer noticed that router R2 still has two routes and a summary address from HQ and R3 also has two routes from HQ Which two actions must the engineer take on R1 to fix the issue so that only one route is announced' (Choose two.)
- A. Configure RI as a Level 1 device.
- B. Configure a summary route for Level 1 devices.
- C. Configure the subnet range with the network command under the IS-IS process.
- D. Configure a summary route for Level 1-Level 2 devices.
- E. Redistribute both routes into the ISIS process.
Answer: B,D
NEW QUESTION # 42
A network engineer is troubleshooting OSPF multiare A.
Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?
- A. DR support for topology management
- B. hierarchical CLI
- C. routing process enabled by default on all interfaces
- D. show ip ospf topology command
Answer: B
Explanation:
OSPF Hierarchical CLI and CLI Inheritance
Hierarchical CLI is the grouping of related network component information at defined hierarchical levels such as at the router, area, and interface levels.
Hierarchical CLI allows for easier configuration, maintenance, and troubleshooting of OSPF configurations.
When configuration commands are displayed together in their hierarchical context, visual inspections are simplified. Hierarchical CLI is intrinsic for CLI inheritance to be supported.
With CLI inheritance support, you need not explicitly configure a parameter for an area or interface. In the software, the parameters of interfaces in the same area can be exclusively configured with a single command, or parameter values can be inherited from a higher hierarchical level-such as from the area configuration level or the router ospf configuration levels.
More information: https://www.cisco.com/c/en/us/td/docs/iosxr/ncs5500/routing/71x/b-routing-cg-ncs5500-71x/b-routing-cg-ncs5500-71x_chapter_011.html#con_1059437
Reference: guide/rc40xr12k_chapter4.html#con_1059437
NEW QUESTION # 43
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. Verify the MPLS LSPs.
- C. Confirm that IS-IS is running with metric-style narrow.
- D. Configure BGP between CE and PE routers.
Answer: C
NEW QUESTION # 44 
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. Change MD5 to HMAC-ESP
- B. Remove the send and accept lifetime under key 1
- C. Change MD5 to HMAC-SHA1-12
- D. Change MD5 to HMAC-MD5
- E. Change MD5 to SHA-1
Answer: C,D
Explanation:
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-0/security/configuration/guide/ sc40crsbook_chapter5.html
NEW QUESTION # 45
Refer to the exhibit.
Refer to the exhibit. An engineering team implemented IS-IS on the network, with several different areas. Recently, router R6 in area 3 has been experiencing excessive CPU usage. To reduce the load, a network engineer implemented route summarization on R2 However. R6 is still receiving the full routes from all routers. Which action must the engineer take to resolve the excessive CPU usage?
- A. Configure router R1 to send only the default route to R2 and R4.
- B. Configure all routers as Level 1/2 routers so that route summarization functions throughout the network
- C. Configure routers R3 and R5 to send summary routes to R6.
- D. Configure the Level 2 router R6 to manage summarization for the network
Answer: C
NEW QUESTION # 46
Refer to the exhibit. VPN users that are connected to PE routers are facing network issues.
Traffic that originates from CE1 drops before reaching CE2. An engineer finds no outgoing traffic statistics on PE1 and PE2 routers toward CE devices and finds that the PE1 router is running the older software image. Which action must be implemented to resolve the issues?
- A. Advertise P1 router loopback on PE1 in OSPF.
- B. Enable CEF-based forwarding on PE1 router.
- C. Advertise PE2 router loopback on PE1 in OSPF.
- D. Enable LDP protocol on PE1 and PE2 routers.
Answer: B
Explanation:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/mp_basic/configuration/xe-3s/mp-basic-xe-3s- book/mp-mpls-cisco-rtrs.html
NEW QUESTION # 47
Refer to the exhibit.
A network engineer applied configuration on R5 to summarize all OSPF routes, but R4 is still receiving specific routes from R5. The engineer has confirmed that both R5 and R4 routers are configured with correct summarization configuration but R5 Is not sending the summary routes What action must the engineer take to fix the problem?
- A. Configure a sham link between R4 and R5 to support summarization within Area 2
- B. Move R4 and R5 in separate areas as now they maintain the same link-state database
- C. Remove summarization configuration on R5 and configure it on R4
- D. Clear link-state database on both R4 and R5 routers for summarization to work
Answer: B
NEW QUESTION # 48
What is the role of segment routing mapping server?
- A. It works with IGP instances to calculate the prefix-SIDs in the absence of a mapping policy.
- B. It advertises a local SID mapping policy to all the mapping clients.
- C. It selects multiple mapping entries to create overlapping active mapping policies.
- D. It reads and translates remotely received SIDs from other mapping servers to create SID mapping entries.
Answer: B
NEW QUESTION # 49
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. show lp ospf topology command
- C. hierarchical CLI
- D. routing process enabled by default on all interfaces
Answer: B
NEW QUESTION # 50
Refer to the exhibit.
A network engineer configured routers R1 and R5 to run in IS-IS Level 1 mode and router R6 to run in IS-IS Level 2 mode. All other routers are running as Level 1 / Level 2 routers. An engineer expects traffic from R1 to R6 to pass via R2, but IS-IS routing has calculated the best path via R4. Which action corrects the problem?
- A. Remove the link metric for the link from router R1 to router R2.
- B. Change the link metric for the link from router R1 to router R2 to 1.
- C. Configure all routers as Level 1 / Level 2 routers.
- D. Configure all routers as Level 1 routers.
Answer: B
Explanation:
The default link metric for IS-IS is 10, so changing the link from R1 to R2 to 1 will change the overall metric to R6 to 9 (8+1).
NEW QUESTION # 51
Refer to the exhibit.
A service provider technician is working on a multicast issue for a customer. While checking the multicast table, the technician notices that no flags are present for the (1.1.1.1, 239.1.1.1) entry, yet flags are present for the (1.1.1.1, 232.1.1.1) entry.
Which factor might explain this issue?
- A. Only the administratively scoped range is permitted
- B. Only ASM is permitted
- C. Only GLOP is permitted
- D. Only the default SSM range is permitted
Answer: D
NEW QUESTION # 52
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