Free Cisco 300-510 SPRI Practice Questions 2026 Part2

Question #1

The core routers within a transit AS are running both IBGP and IGP. The edge routers within the transit AS are using the next-hop-self option to establish the IBGP sessions. What can be implemented to improve the routing performance to all external prefixes?

A. nable route redistribution from BGP into IGP

B. nable CEF on all the core and edge routers

C. nable route redistribution from IGP into BGP

D. isable BGP synchronization on all the core routers

E. se route reflectors within the core

View answer

Correct Answer: B

Question #2

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 theproblem 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 #3

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

A. A static IPv6 address must be configured

B. A dynamic IPv6 address must be configured

C. Cisco Express Forwarding must be enabled

D. Each tunnel endpoint must support IPv4 and IPv6

E. A static IPv4 address must be configured

F. A dynamic IPv4 address must be configured

View answer

Correct Answer: ADE

Question #4

Which cost is the default when redistributing routes from BGP to OSPF?

A. 20

B. 1

C. infinite

D. automatic

View answer

Correct Answer: B

Question #5

Refer to the exhibit.Why is neighbor 10.1.5.5 stuck in “2WAY” state?

A. Router ID 10

B. OSPF authentication has failed between R2 and 10

C. It is an expected behavior when OSPF network type is broadcast

D. OSPF parameters (Area ID or hello interval) are mismatched between R2 and 10

View answer

Correct Answer: C

Question #6

Refer to the exhibit.An administrator is troubleshooting Internet access issues on a customer’s network. After applying this ISIS configuration to R1, the administrator notices that it fails to redistribute the default route into IS-IS. After checking the connectivity between the ISIS router and the ISP router the engineer confirmed there is Layer 3 connectivity between them. Which action should be taken to correct the problem?

A. Configure R1 as a Layer 1 router

B. Add the default-information originate command to the configuration

C. Configure the default route under any routing protocol other than IS-IS

D. Associate the default route with a VRF

View answer

Correct Answer: B

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.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 #9

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 #10

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. he two routers cannot authenticate with one another

B. he two routers have the same area ID

C. he two routers have the same network ID

D. he two routers have different IS-types

View answer

Correct Answer: C

Question #11

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 #12

Refer to the exhibit.Router 1 has established an SR-TE tunnel with router 2. Which statement describes thisconfiguration?

A. outer 1 has a list of labels used to explicitly lay out a path to router 2

B. outer 1 and router 2 have a bidirectional tunnel set up with dynamic path selection

C. outer 1 is the head-end tunnel and has dynamically chosen a path to router 2

D. outer 2 is the head-end tunnel and has explicitly set a path to router 1

View answer

Correct Answer: C

Question #13

What is a restriction of 6PE?

A. AIt is implemented only over eBGP peers

B. BIt is implemented only over iBGP peers

C. CIt adds a value of ::FFFf:: on the IPv4 next hop address

D. DIt cannot be implemented on VRFs

View answer

Correct Answer: D

Question #14

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 #15

While configuring Cisco NSF awareness, a network engineer enters the bgp graceful-restart command after the BGP session is established in a router that runs IOS XE Software. Graceful restart capabilities are not exchanged. Which two actions should be taken? (Choose two.)

A. Reload the router

B. Verify that BGP route dampening is configured

C. Reduce BGP convergence time

D. Issue the clear ip bgp * command

E. Issue the show ip bgp neighbors command

View answer

Correct Answer: AD

Question #16

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 #17

Refer to the exhibit.The green policy is designed with low delay, and the pink policy is designed with low cost. What is the next hop for node A on its way to node D, with the objective of achieving a low delay?

A. 192

B. 192

C. 192

D. 192

View answer

Correct Answer: D

Question #18

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 #19

Which two conditions must be met before separate ISPs can provide interdomain multicast routing? (Choose two.)

A. Each ISP must configure MSDP to connect its individual multicast administrative domain to the domains at other ISPs

B. Each ISP must dedicate a single router to handle multicast traffic between providers

C. Each ISP must replace its RP assignment with a global RP

D. Each ISP must configure its network to use PIM-DM

E. Each ISP must support intradomain multicast routing

View answer

Correct Answer: AE

Question #20

After an engineer configures BGP in R1, it starts receiving this message:Which action makes the peering come back up again?

A. Make a soft reset to the peer

B. Set up a hello timer higher

C. Set up a hold-down timer higher

D. Set up a minimum hold-down timer higher

View answer

Correct Answer: D

Question #21

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 #22

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 #23

After you change the IP address on an IOS XR router, you cannot ping the new address. Which step did you forget to complete?

A. commit the configuration

B. roll back the configuration

C. merge the configuration

D. save the running configuration

View answer

Correct Answer: A

Question #24

In a PIM-SM environment, which mechanism determines the traffic that a receiver receives?

A. The receiver explicitly requests its desired traffic from the RP on the shared tree

B. The receiver explicitly requests traffic from a single source, which responds by forwarding all traffic

C. The RP on the shared tree floods traffic out of all PIM configured interfaces

D. The receiver explicitly requests traffic from each desired source, which responds by sending all traffic

View answer

Correct Answer: A

Question #25

What is determined by running the same hash algorithm on all PIMv2 routers?

A. he SPT from the last hop router to the multicast source

B. hich RP to use from a set of candidate RPs in the RP set

C. hich BSR to use for a particular multicast group

D. uto RP election

E. he SPT from the RP to the multicast source

View answer

Correct Answer: B

Question #26

After you change the IP address on an IOS XR router, you cannot ping the new address.Which step did you forget to complete?

A. commit the configuration

B. roll back the configuration

C. merge the configuration

D. save the running configuration

E. Reveal Answer

View answer

Correct Answer: A

Question #27

Which type of policy does an IPv6 ISATAP tunnel support?

A. policies that transmit Connectionless Network Service packets

B. policies to transmit IPv6 traffic within a site

C. policies to transmit IPv6 traffic over a point-to-point tunnel

D. policies that require addresses to have a 2002 716 prefix

E. Reveal Answer

View answer

Correct Answer: B

Question #28

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

A. outing process enabled by default on all interfaces

B. how lp ospf topology command

C. ierarchical CLI

D. R support for topology management

View answer

Correct Answer: C

Question #29

Refer to the exhibit.Which router does R1 install as an alternate next hop when trying to reach R3 if LFA is enabled?

A. R5

B. R3

C. R4

D. R2

View answer

Correct Answer: D

Question #30

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

A. hared tree

B. DT default

C. ource tree

D. DT voice

View answer

Correct Answer: B

Question #31

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 #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

For which reason do you deploy BGP confederations within a BGP transit backbone?

A. to support a larger number of eBGP peer sessions

B. to increase the number of routes that can be redistributed between the running IGP and BGP

C. to reduce the number of eBGP routes that must be shared between autonomous systems

D. to reduce the number of iBGP peering sessions

View answer

Correct Answer: D

Question #34

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. onfigure passive-interface under the Gi0/2 interface on R22

B. onfigure network 33

C. onfigure ip cef under the global configuration on R22

D. onfigure ip ospf network point-to-point under the Lo0 interface on R33

View answer

Correct Answer: C

Question #35

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 #36

Which statement about enabling segment routing for IGPs is true?

A. egment routing must first be enabled under then routing process and then globally

B. egment routing must first be enabled globally and then under the routing process

C. egment routing can be enabled only under the routing process

D. egment routing can be enabled only globally

View answer

Correct Answer: B

Question #37

An engineer warns to map a multicast IP address to a multicast MAC.How many bits are used to make the conversion?

A. ow order 23 bits

B. ower-order 24 bits

C. igher-order 23 bits

D. igh-order 24 bits

View answer

Correct Answer: A

Question #38

A network engineer is troubleshooting OSPF multiarea. Which Cisco IOS XR feature should theengineer use in order to streamline OSPF issue?

A. hierarchical CLI

B. DR support for topology management

C. routing process enabled by default on all interfaces

D. show ipospf topology command

View answer

Correct Answer: A

Question #39

Refer to the exhibit. While configuring router 2 with all the default values, a network engineer cannot see any route received in router 1. How should the engineer solve the issue?

A. Modify the IP address or mask of the interface to a valid one

B. Set up a priority different than 0 in the interface

C. Modify the router ID to be the interface IP on the serial

D. Set the network type in S1/0 to point-to-point

View answer

Correct Answer: A

Question #40

An engineer with an employee ID: 4535:15:507 must implement PIM-SSM in the network to support a new multicast messaging service. All the routers in the network run a distance vector routing protocol. Unicast routing is established on the network and is working normally. What must the engineer enable to continue the implementation process?

A. IM RP feature on the network

B. GMPv3 on all interfaces that participate in multicast

C. IM dense mode and IGMPv2 on all interfaces that participate in multicast

D. IM dense mode on all devices on the network

View answer

Correct Answer: B

Question #41

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 #42

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 #43

Refer to the exhibit. After troubleshooting an OSPF adjacency issue, routers 1, 2, and 3 have formed OSPF neighbor relationships. Which statement about theconfiguration 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: C

Question #44

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 #45

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 #46

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

View answer

Correct Answer: BC

Question #47

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: C

Question #48

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 #49

For which reason can two BGP peers fail to establish a neighbor relationship?

A. Their BGP send-community strings are misconfigured

B. Their BGP timers are mismatched

C. Their remote-as numbers are misconfigured

D. They are both activated under an IPv4 address family

View answer

Correct Answer: C

Question #50

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. 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

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Free Cisco 300-510 SPRI Practice Questions 2026 Part2

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DON'T WANT TO MISS A THING?

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Free Cisco 300-510 SPRI Practice Questions 2026 Part2

View The Updated 300-510 Exam Questions

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