Free Cisco 300-510 SPRI Practice Questions 2026 Part1

Question #1

Which output from the show isis interface command helps an engineer troubleshoot an IS-IS adjacency problem on a Cisco IOS-XR platform?

A. metric

B. priority

C. circuit type

D. hello interval

E. Reveal Answer

View answer

Correct Answer: C

Question #2

Refer to the exhibit. PIM-SM has been enabled in the network, and the RP is located on R1 with IP address 20.20.20.1/24. After the team upgraded the networking stack on APP_Server with IP address 10.10.10.10/24, clients no longer receive the remote learning VoD resources.APP_Server is assigned group address 224.0.1.40. Which action must the networking team take to resolve the multicast issue?

A. et route ip mroute 192

B. mplement ttl-threshold 6 on R2

C. onfigure ip pim rp-address 20

D. hange the TTL configuration on APP_Server to 6

View answer

Correct Answer: D

Question #3

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 #4

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

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

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

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

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

View answer

Correct Answer: A

Question #5

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 #6

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 #7

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 #8

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 #9

Which two statements about route reflectors are true? (Choose two.)

A. Routes received from nonclient peers are reflected to route reflector clients as well as nonclient peers

B. Routes received from nonclient peers are reflected to route reflector cluster as well as OSPF peers

C. If a router received an iBGP route with the originator-ID attribute set to its own router ID, the route is discarded

D. Routes received from a route reflector client is reflected to other clients and nonclient peers

E. If a route reflector receives a route with a cluster-list attribute containing a different cluster ID, the route is discarded

View answer

Correct Answer: CD

Question #10

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?

A. eight of 0 on the prefix coming from 192

B. ower local preference on the prefix coming from 192

C. igher local preference on the prefix coming from 192

D. eight of 100 on the prefix coming from 192

View answer

Correct Answer: A

Question #11

In Cisco IOS-XR, the maximum-prefix command, to control the number of prefixes that can be installed from a BGP neighbor, is configured under which configuration mode?

A. P/0/RSP0/CPU0:P2(config-bgp)#

B. P/0/RSP0/CPU0:P2(config-bgp-nbr)#

C. P/0/RSP0/CPU0:P2(config-bgp-nbr-af)#

D. P/0/RSP0/CPU0:P2(config-bgp-af)#

View answer

Correct Answer: C

Question #12

Refer to the exhibit.The service provider provides IPv6 connectivity to large enterprise customers with offices spanning several geographic regions SRv6 is running in the service provider core The service provider just signed a contract with a new customer that is still running IPv4 The new customer needs connectivity between its two sites connected via CE1 and CE2 and the internet Which action must the service provider s network-engineering team take to provide connectivity across the SRv6 data plane?

A. Encapsulate IPv4 traffic from the CEs on their respective PEs through a TE path between PE1 and PE2

B. Translate the IPv4 addresses to an IPv6 address on each CE

C. Redistribute the IPv4 routes from CE2 and CE1 on their respective PEs

D. Implement an NTP master and sync the timers on the P and PE routers

View answer

Correct Answer: A

Question #13

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. AConfigure the subnet range with the network command under the IS-IS process

B. BConfigure RI as a Level 1 device

C. CRedistribute both routes into the ISIS process

D. DConfigure a summary route for Level 1-Level 2 devices

E. EConfigure a summary route for Level 1 devices

View answer

Correct Answer: DE

Question #14

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

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

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

C. ilter the routes on the receiving router

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

View answer

Correct Answer: A

Question #15

A network consultant is troubleshooting IS-IS instances to identify why a routing domains is having communication problems between the two instances. Which description 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 “ISP” and “ISP2” 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 #16

Which output from the show isis interface command helps an engineer troubleshoot an IS-IS adjacency problem on a Cisco IOS-XR platform?

A. metric

B. priority

C. circuit type

D. hello interval

View answer

Correct Answer: D

Question #17

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

A. he two devices have different process IDs

B. he two devices have different router IDs

C. he two devices have the same area ID

D. he two devices have different network types

View answer

Correct Answer: D

Question #18

What Is a characteristic of a segment routing mapping server?

A. It must be placed in the core of the network

B. It serves multiple VRFs

C. It must have an IGP adjacency

D. It applies SID mappings from one IGP instance to another IGP instance

E. Reveal Answer

View answer

Correct Answer: C

Question #19

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. Remove summarization configuration on R5 and configure it on R4

B. Clear link-state database on both R4 and R5 routers for summarization to work

C. Configure a sham link between R4 and R5 to support summarization within Area 2

D. Move R4 and R5 in separate areas as now they maintain the same link-state database

View answer

Correct Answer: D

Question #20

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 #21

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 #22

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. pply route filtering on router R4 only

B. pply route filtering on routers R3 and R4

C. pply route filtering on routers R1 and R2

D. pply route filtering on router R3 only

View answer

Correct Answer: A

Question #23

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 #24

Refer to the exhibit. After recent configuration changes to a customer's network, a network engineer notices that R2 cannot communicate with R3. Both FastEthernet interfaces on R2 and R3 are up and configured with the correct IP addresses. MD5 password configured on R2 and R3 match with no issues. What is the minimum change the engineer must make to enable R2 and R3 to communicate and fix the problem?

A. onfigure virtual links between R1 and R3

B. onfigure a loopback interface on R2 and assign it to area 0

C. onfigure interface F0/0 on R1 and R2 to be in area 0

D. efine area 2 as a NSSA on R2 and R3

View answer

Correct Answer: B

Question #25

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 #26

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

A. type 3 LSA

B. type 4 LSA

C. type 1 LSA

D. type 2 LSA

View answer

Correct Answer: C

Question #27

Refer to the exhibit.A network operator is working to filter routes from being advertised that are covered under an aggregate announcement. The receiving router of the aggregate announcement block is still getting some of the more specific routes plus the aggregate. Which configuration change ensures that only the aggregate 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 #28

A network engineer is troubleshooting OSPF multiare

A. Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?

B. hierarchical CLI

C. DR support for topology management

D. routing process enabled by default on all interfaces

E. show ip ospf topology command

F. Reveal Answer

View answer

Correct Answer: AA

Question #29

What can be used to determine a path from the head-end to a tail-end router when implementingSR-TE with a head-end, with little information on the network topology?

A. raffic controller

B. ath computation engine

C. ail-end router

D. NMP server

View answer

Correct Answer: B

Question #30

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

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

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

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

D. Unlike OSPF

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

F. Reveal Answer

View answer

Correct Answer: BC

Question #31

What is a restriction of 6PE?

A. t is implemented only over iBGP peers

B. t adds a value of ::FFFE: on the IPv4 next hop address

C. t cannot be implemented on VRFs

D. t is implemented only over eBGP peers

View answer

Correct Answer: C

Question #32

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 #33

Which requirement must be met while using parameter with conditional matching in routing policy definition?

A. Parameters must be used only in route maps

B. Parameters must start with the $ symbol

C. Parameters must be applied only to BGP statements

D. Parameters must be used in a hierarchal structure

E. Reveal Answer

View answer

Correct Answer: D

Question #34

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 #35

Refer to the exhibit. Routers within the cluster are not receiving the desired prefixes. What must be done to fix the issue?

A. Clients in that cluster must have full mesh connectivity between eBGP peers

B. No client-to-client reflection must be enabled

C. Clients in that cluster must have full mesh connectivity between iBGP peers

D. No client-to-client must be disabled

View answer

Correct Answer: C

Question #36

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 #37

Refer to the exhibit. An engineer working for a private telecommunication company with an employee id: 1234:09:567 implemented this configuration on Router1, what is the effect of it?

A. Router 1 receives only one best path from neighbor 192

B. Router 1 sends only one best path to neighbor 192

C. Router 1 sends up to three paths to neighbor 192

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

View answer

Correct Answer: D

Question #38

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 #39

Which task is performed when troubleshooting LDP?

A. xecute the ping utility to generate information about the MAC addresses used along the path

B. erify that MPLS is disabled globally and enabled on the necessary interfaces in a per-interface basis

C. xecute the traceroute utility to generate information about the labels used along the path

D. erify that Cisco Express Forwarding has been disabled on the network

View answer

Correct Answer: C

Question #40

Refer to the exhibit.P1 and PE3 Cisco IOS XR routers are directly connected and have this configurationapplied. The BGP session is not coming up. Assume that there is no IP reachability problem and both routerscan open tcp port 179 to each other. Which two actions fix the issue? (Choose two.)

A. Change MD5 to HMAC-SHA1-12

B. Change MD5 to HMAC-ESP

C. Change MD5 to SHA-1

D. Change MD5 to HMAC-MD5

E. Remove the send and accept lifetime under key 1

View answer

Correct Answer: AD

Question #41

Refer to the exhibit.Routers R1 and R2 cannot form a neighbor relationship, but the network is otherwiseconfigured correctly and operating normally. Which two statements describe the problem? (Choose two.)

A. The two routers are in the same area

B. The two routers are in different subnets

C. The two routers have password mismatch issues

D. The two routers have the same network ID

E. The two routers are in different areas

View answer

Correct Answer: BE

Question #42

Refer to the exhibit.An engineer is addressing an IS-IS design issue which is running within the topology. Alllinks are running on FastEthernet, except the link between R5 and R4, which is Gigabit Ethernet. Which statement about the design is true?

A. R4 prefer to reach R5 using R1 as the next hop

B. All links have equal cost if the default metric is used

C. R5 prefers to use R4 as the next hop for all routes

D. R1 prefer to use R5 as the next hop to reach R4

View answer

Correct Answer: B

Question #43

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 #44

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 #45

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 #46

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 #47

Refer to the exhibit.An engineer applied the configuration on R1 to prevent network 192.168.1.0/24 from being propagated outside of area 5. After the change, users have reported they are not able to access any of the application servers that were working before. While checking the routing table of the peer router. The engineer notices R1 stopped propagating any routes outside are 5. Which action must be taken to fix the problem?

A. Configure an additional filter-list on R1 for inbound traffic to allow external router into area 5

B. Reconfigure the filter-list statement to apply in the inbound direction

C. Change the prefix-list action to permit and add an explicit deny statement for network 192

D. Add a permit statement for 0

View answer

Correct Answer: D

Question #48

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

DON'T WANT TO MISS A THING?

Latest Cisco, PMP, AWS, CompTIA, Microsoft Materials on SALE
Get Now

Free Cisco 300-510 SPRI Practice Questions 2026 Part1

View The Updated 300-510 Exam Questions

View Answers after Submission

DON'T WANT TO MISS A THING?

Latest Cisco, PMP, AWS, CompTIA, Microsoft Materials on SALE Get Now

Free Cisco 300-510 SPRI Practice Questions 2026 Part1

View The Updated 300-510 Exam Questions

View Answers after Submission

Latest Cisco, PMP, AWS, CompTIA, Microsoft Materials on SALE
Get Now