Free Cisco 300-510 SPRI Practice Questions 2026 Part3

Question #1

Refer to the exhibit. Router1 and Router2 have shared routes in the OSPF database, but the routes are missing from their routing tables. Checking the prefix-list configuration on both routers, the engineer confirmed all networks are allowed. What action should the engineer take to fix the problem?

A. Configure interface Serial1/0 on Router1 as a point-to-point interface

B. Configure the two routers with different process IDs

C. Switch the DR and BDR roles between the two routers

D. Configure the two routers with different hello and dead timer values

View answer

Correct Answer: A

Question #2

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. AConfigure routers R3 and R5 to send summary routes to R6

B. BConfigure the Level 2 router R6 to manage summarization for the network

C. CConfigure router R1 to send only the default route to R2 and R4

D. DConfigure all routers as Level 1/2 routers so that route summarization functions throughout the network

View answer

Correct Answer: A

Question #3

What are three requirements for a static IPv6-in-IPv4 tunnel? (Choose three.)

A. A dynamic IPv6 address must be configured

B. A dynamic IPv4 address must be configured

C. A static IPv4 address must be configured

D. A static IPv6 address must be configured

E. Each tunnel endpoint must support IPv4 and IPv6

F. Cisco Express Forwarding must be enabled

View answer

Correct Answer: BDE

Question #4

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

A. Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area

B. OSPF uses a router ID to identify a router, and IS-IS uses a system ID

C. OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol

D. Unlike OSPF, IS-IS supports virtual links

E. OSPF elects a DR and BDR, and IS-IS elects a DIS

View answer

Correct Answer: BE

Question #5

Which statement about BFD on Cisco IOS XR Software is true?

A. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship

B. Cisco IOS XR Software does not support BFD multihop for IPv4

C. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship

D. BFD is not compatible between Cisco IOS XR and Cisco IOS Software

View answer

Correct Answer: C

Question #6

What is used by SR-TE to steer traffic through the network?

A. shortest path calculated by IGP

B. dynamic rules

C. path policy

D. explicit maps

View answer

Correct Answer: C

Question #7

What are three requirements for a static IPv6-in-IPv4 tunnel? (Choose three.)

A. A dynamic IPv6 address must be configured

B. A dynamic IPv4 address must be configured

C. A static IPv4 address must be configured

D. A static IPv6 address must be configured

E. Each tunnel endpoint must support IPv4 and IPv6

F. Cisco Express Forwarding must be enabled

View answer

Correct Answer: BDE

Question #8

Refer to 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 the routers have Layer 3 reachability between them. Which action should the engineer take to make the adjacencies to full?

A. Enable OSPF just inside the router OSPF process, not in the interfaces of any router

B. Delete the area 0 authentication message-digest command from the OSPF process in R1

C. Enter the command ipospf authentication in R2 interface

D. Delete the area 0 authentication message-digest command from the OSPF process in R2

View answer

Correct Answer: C

Question #9

What does conditional matching operate with RPL?

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

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

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

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

E. Reveal Answer

View answer

Correct Answer: C

Question #10

Refer to the exhibit. A network operator is working to filter routes from being advertised that are covered under an aggregate announcement. The receiving routerof the aggregate announcement block is still getting some of the more specific routes plus the aggregate. Which configuration change ensures that only theaggregate is announced now and in the future if other networks are to be added?

A. Configure the summary-only keyword on the aggregate command

B. Set each specific route in the AGGRO policy to drop instead of suppress-route

C. Filter the routes on the receiving router

D. Set each specific route in the AGGRO policy to remove instead of suppress-route

View answer

Correct Answer: A

Question #11

Refer to the exhibit.Which attribute can router 1 alter so that only other iBGP peers prefer to use 192.168.4.2 as the next hop for route 192.168.3.0/24?

A. MED

B. local preference

C. origin

D. weight

View answer

Correct Answer: A

Question #12

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 R3is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result betweenBGP peers R1, R2 and R1, R3 is true?

A. The BGP session does not come up between R1 and R2 and between R1 and R3

B. The BGP session comes up between R1 and R2 and between R1 and R3

C. The BGP session comes up between R1 and R3, but not between R1 and R2

D. The BGP session comes up between R1 and R2, but not between R1 and R3

View answer

Correct Answer: B

Question #13

Refer to the exhibit. Router1 and Router2 have shared routes in the OSPF database, but the routes are missing from their routing tables. Checking the prefix-list configuration on both routers, the engineer confirmed all networks are allowed. What action should the engineer take to fix the problem?

A. Configure interface Serial1/0 on Router1 as a point-to-point interface

B. Configure the two routers with different process IDs

C. Switch the DR and BDR roles between the two routers

D. Configure the two routers with different hello and dead timer values

View answer

Correct Answer: A

Question #14

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 resetJun 29 13:30:52.341: %BGP-3-NOTIFICATION: sent to neighbor 192.168.10.1 2/6 (unacceptable hold time) 0 bytesWhich 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

View answer

Correct Answer: D

Question #15

Refer to the exhibit. Which tree does multicast traffic follow?

A. shared tree

B. MDT default

C. source tree

D. MDT voice

View answer

Correct Answer: B

Question #16

Refer to the exhibit.Router 1 is a core ABR in a Cisco Unified MPLS environment. All of the router 1 BGPpeers are established, but traffic between customers is failing. Which BGP configuration must beadded to the configuration?

A. t must be configured for graceful restart

B. t must be configured with a route reflector

C. t must be configured with send labels

D. t must be configured with PIC edge

View answer

Correct Answer: C

Question #17

Refer to the exhibit.XR1 and XR2 are sending the prefix 10.11.11.0/24 to XR3. A configured policy on XR1 isincorrectly prepending AS path 11 11 12 12 onto this prefix. A network operator wants to add a policyonto XR3 that will not allow the falsely prepending prefix from being installed. Which policyconfiguration applied to the XR3 neighbor configuration for XR1 can accomplish this requirementwithout impact to other or futurereceived routes?

A. ption A

B. ption B

C. ption C

D. ption D

View answer

Correct Answer: D

Question #18

Refer to the exhibit.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?

A. Block service groups 224

B. Disable PIM parse mode between RP11 and RP22 in the two autonomous systems

C. Advertise RP2 with a high local preference in AS65222

D. Enable passive intertaoe under EIGRP between the two autonomous systems

View answer

Correct Answer: A

Question #19

Refer to the exhibit.Which effect of this configuration is true?

A. It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds

B. It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds

C. It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds

D. It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds

View answer

Correct Answer: A

Question #20

Refer to the exhibit.Router 1 is connected to router 2 on interface TenGigE0/1. Which interface provides the alternate path to 172.16.200.9/32 when the link between router 1 and router 2 goes down?

A. TenGigE0/1 interface provides the alternate path

B. A backup path must be statically installed

C. TenGigE0/2 interface provides the alternate path

D. A primary path must be manually installed

View answer

Correct Answer: C

Question #21

Refer to the exhibit. Refer to the exhibit. Router R1 is expected to receive routes that originate from AS 65547 only. However, R1 is receiving routes from AS 65547 and several other ASs that are directly attached to it. Which change to the AS path permit filter corrects the problem?

A. AChange the regular expression to $

B. BChange the regular expression to

C. CChange the regular expression to _65547_

D. DChange the regular expression to A65547$

View answer

Correct Answer: D

Question #22

Refer to the exhibit. Which effect of this configuration is true?

A. It sets the keepalive timer to 30 seconds and the hold timer to 240 seconds

B. It sets the keepalive timer to 30 milliseconds and the hold timer to 240 milliseconds

C. It sets the hold timer to 30 milliseconds and the keepalive timer to 240 milliseconds

D. It sets the hold timer to 30 seconds and the keepalive timer to 240 seconds

View answer

Correct Answer: A

Question #23

What are three requirements for a static IPv6-in-IPv4 tunnel? (Choose three.)

A. A dynamic IPv6 address must be configured

B. A dynamic IPv4 address must be configured

C. A static IPv4 address must be configured

D. A static IPv6 address must be configured

E. Each tunnel endpoint must support IPv4 and IPv6

F. Cisco Express Forwarding must be enabled

View answer

Correct Answer: BDE

Question #24

Refer to the exhibit.A network operator wants to expand the segment routing global block in upcomingmaintenance. The operator must ensure that the changes to the segment routing global block haveno adverse impacts on the prefix-sid associated with the loopback0 interface used within the OSPFdomain.Which command can the operator use to enforce R2 to have a strict prefix-sid assignment toloopback0?

A. ption A

B. ption B

C. ption C

D. ption D

View answer

Correct Answer: C

Question #25

Refer to the exhibit.Which statement about this configuration is true?

A. Router 1 sends and receives multiple best paths from neighbor 192

B. Router 1 sends up to two paths to neighbor 192

C. Router 1 receives up to two paths from neighbor 192

D. Router 1 receives only the best path from neighbor 192

View answer

Correct Answer: A

Question #26

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?

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

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

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

D. Implement the default SRLB range in the SR local segment

E. Reveal Answer

View answer

Correct Answer: B

Question #27

Refer to the exhibit.After troubleshooting an OSPF adjacency issue, routers 1, 2, and 3 have formed OSPF neighbor relationships. Which statement about the configuration is true?

A. Router 2 receives a Type 5 LSAs from router 1 for its connected subnets

B. Router 2 uses router 3 as the next hop for 192

C. Router 2 uses router 1 as the next hop for 192

D. Router 2 receives a Type 7 LSAs from router 3 for its connected subnets

View answer

Correct Answer: A

Question #28

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 the same network ID

D. The two routers have different IS-types

View answer

Correct Answer: C

Question #29

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. If RC is operating without the Cisco configuration option, only 2 routers tear down their peering relationships and re-establish peering

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, all three routers tear down their peering relationships and re-establish peering

D. All peer relationships remain up and the link-state database is unchanged

View answer

Correct Answer: B

Question #30

Refer to 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 the routers have Layer 3 reachability between them. Which action should the engineer take to make the adjacencies to full?

A. Enable OSPF just inside the router OSPF process, not in the interfaces of any router

B. Delete the area 0 authentication message-digest command from the OSPF process in R1

C. Enter the command ipospf authentication in R2 interface

D. Delete the area 0 authentication message-digest command from the OSPF process in R2

View answer

Correct Answer: C

Question #31

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 RPTV site, while Site-B users fail to receive multicast stream on Site-A via RPTZ site. Which action must be implemented to resolve the issues?

A. stablish MDSP peering with interface IP subnet

B. onfigure direct OSPF peering between Site-A and Site-B

C. onfigure Site-A and Site-B in 10

D. llow the OSPF and MSDP packets on the firewall

View answer

Correct Answer: D

Question #32

Refer to the exhibit.Router 1 is connected to router 2 on interface TenGigE0/1. Which interface provides thealternate path to 172.16.200.9/32 when the link between router 1 and router 2 goes down?

A. enGigE0/1 interface provides the alternate path

B. backup path must be statically installed

C. enGigE0/2 interface provides the alternate path

D. primary path must be manually installed

View answer

Correct Answer: C

Question #33

Refer to the exhibit.An engineer has successfully fixed BGP peering issue. R1 has an established eBGPpeering with R2 and R3. Which mechanism should the engineer apply in order to steer the traffic correctly?

A. The MED attribute can be applied on R2 to influence R1 to use it as the primary path

B. The local preference attribute can be applied on R3 to influence AS 65513 to use AS 65515 as the secondary path

C. The weight attribute can be applied on R2 to influence AS 65513 to use AS 65515 as the primary path

D. The IGP metric can be manipulated on R1 to allow traffic to be load balanced between R2 and R3

View answer

Correct Answer: D

Question #34

Refer to the exhibit.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 action fixes the issue?

A. Change HMAC-MD5 to HMAC-SHA1-20

B. Configure the send and accept lifetime under key 1

C. Change HMAC-MD5 to MD5

D. Change HMAC-MD5 to HMAC-SHA1-12

View answer

Correct Answer: B

Question #35

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 R3is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which resultbetweenBGP peers R1, R2 and R1, R3 is true?

A. he BGP session does not come up between R1 and R2 and between R1 and R3

B. he BGP session comes up between R1 and R2 and between R1 and R3

C. he BGP session comes up between R1 and R3, but not between R1 and R2

D. he BGP session comes up between R1 and R2, but not between R1 and R3

View answer

Correct Answer: B

Question #36

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

A. Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area

B. OSPF uses a router ID to identify a router, and IS-IS uses a system ID

C. OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol

D. Unlike OSPF, IS-IS supports virtual links

E. OSPF elects a DR and BDR, and IS-IS elects a DIS

View answer

Correct Answer: BE

Question #37

Refer to the exhibit.CE1 and CE2 cannot communicate through the service provider BGP peering isestablished between PE1 and PE2. IS-IS is the only routing protocol running in the service provider core. Whatstep 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. Confirm that IS-IS is running with metric-style narrow

D. Verify the MPLS LSPs

View answer

Correct Answer: C

Question #38

Refer to the exhibit.Which tree does multicast traffic follow?

A. shared tree

B. MDT default

C. source tree

D. MDT voice

View answer

Correct Answer: B

Question #39

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?

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

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

C. Configure network 33

D. Configure ip cef under the global configuration on R22

E. Reveal Answer

View answer

Correct Answer: B

Question #40

Refer to the exhibit.Which LSA type is indicated by this router output?

A. ype 3 LSA

B. ype 4 LSA

C. ype 1 LSA

D. ype 2 LSA

View answer

Correct Answer: C

Question #41

Refer to the exhibit. Refer to the exhibit There is a BGP traffic path issue between Customer-1 and Customer-2 Users from Customer-2 have reported file transfer issues High utilization on the path between both customers causes many packet drops. Which configuration resolves the issue?

A. AOption A

B. BOption B

C. COption C

D. DOption D

View answer

Correct Answer: B

Question #42

Refer to the exhibit. Router1 and Router2 have shared routes in the OSPF database, but the routes are missing from their routing tables. Checking the prefix-list configuration on both routers, the engineer confirmed all networks are allowed. What action should the engineer take to fix the problem?

A. Configure interface Serial1/0 on Router1 as a point-to-point interface

B. Configure the two routers with different process IDs

C. Switch the DR and BDR roles between the two routers

D. Configure the two routers with different hello and dead timer values

View answer

Correct Answer: A

Question #43

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 toforce 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, toenforce this traffic forwarding path?

A. weight of 0 on the prefix coming from 192

B. lower local preference on the prefix coming from 192

C. higher local preference on the prefix coming from 192

D. weight of 100 on the prefix coming from 192

View answer

Correct Answer: A

Question #44

A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication problems between the two instances. Whichdescription of the possible cause of issues in the routing domain is true?

A. The same interface cannot be advertised in two different IS-IS instances

B. The IS-IS â€œISPâ€ and â€œISP2â€ instances are unrelated and unable to intercommunicate

C. The configured IS-IS NSEL value is not allowing the routing systems to establish a neighborship

D. The interface mode ip router is-is command was not included in the script

View answer

Correct Answer: A

Question #45

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

A. Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area

B. OSPF uses a router ID to identify a router, and IS-IS uses a system ID

C. OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol

D. Unlike OSPF, IS-IS supports virtual links

E. OSPF elects a DR and BDR, and IS-IS elects a DIS

View answer

Correct Answer: BE

Question #46

For which reason can two devices fail to establish an OSPF neighbor relationship?

A. The two devices have different process IDs

B. The two devices have different network types

C. The two devices have different router IDs

D. The two devices have the same area ID

View answer

Correct Answer: B

Question #47

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

A. Unlike IS-IS routers, an OSPF router belongs to only one area in addition to the backbone area

B. OSPF uses a router ID to identify a router, and IS-IS uses a system ID

C. OSPF is a link-state routing protocol, and IS-IS is a distance-vector routing protocol

D. Unlike OSPF, IS-IS supports virtual links

E. OSPF elects a DR and BDR, and IS-IS elects a DIS

View answer

Correct Answer: BE

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Free Cisco 300-510 SPRI Practice Questions 2026 Part3

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Free Cisco 300-510 SPRI Practice Questions 2026 Part3

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