300-510 Practice Test Free – 50 Questions to Test Your Knowledge
Are you preparing for the 300-510 certification exam? If so, taking a 300-510 practice test free is one of the best ways to assess your knowledge and improve your chances of passing. In this post, we provide 50 free 300-510 practice questions designed to help you test your skills and identify areas for improvement.
By taking a free 300-510 practice test, you can:
- Familiarize yourself with the exam format and question types
- Identify your strengths and weaknesses
- Gain confidence before the actual exam
50 Free 300-510 Practice Questions
Below, you will find 50 free 300-510 practice questions to help you prepare for the exam. These questions are designed to reflect the real exam structure and difficulty level.
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 192.168.0.2
B. lower local preference on the prefix coming from 192.168.0.2
C. higher local preference on the prefix coming from 192.168.0.1
D. weight of 100 on the prefix coming from 192.168.0.1
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 192.168.0.0/24
C. Router 2 uses router 1 as the next hop for 192.168.0.0/24
D. Router 2 receives a Type 7 LSAs from router 3 for its connected subnets
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
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
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.
Refer to the exhibit. Which tree does multicast traffic follow?A. shared tree
B. MDT default
C. source tree
D. MDT voice
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.
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 R3 is in BGP AS 3. Assume that there is no connectivity issue between R1, R2 and R1, R3. Which result between BGP 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.
A network engineer is troubleshooting OSPF multiarea. Which Cisco IOS XR feature should the engineer 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 ip ospf topology command
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
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
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
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. Configure BGP between CE and PE routers.
C. Confirm that IS-IS is running with metric-style narrow.
D. Verify the MPLS LSPs.
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-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
Refer to the exhibit. Which statement about this configuration is true?A. Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
B. Router 1 sends up to two paths to neighbor 192.168.1.1 for all routes
C. Router 1 receives up to two paths from neighbor 192.168.1.1 for all routes in the same AS
D. Router 1 receives only the best path from neighbor 192.168.1.1
Refer to the exhibit. A network operator must inject a Level 1 route from XR2 (10.16.16.0/24) into the ISIS topology. Which configuration allows the injection in a way that XR3 and XR1 have a valid and working route for 10.16.16.0/24?
A.
B.
C.
D.
You have configured routing policies on a Cisco IOS XR device with routing policy language. Which two statements about the routing policies are true? (Choose two.)A. The routing policies affect BGP-related routes only.
B. If you make edits to an existing routing policy without pasting the full policy into the CLI, the previous policy is overwritten.
C. You can change an existing routing policy by editing individual statements.
D. The routing policies are implemented in a sequential manner.
E. The routing policies are implemented using route maps.
DRAG DROP -
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.)
Select and Place:
Refer to the exhibit. How are packets directed through the data plane when SRv6 is implemented?
A. An ordered list of segments is encoded in a routing extension header
B. The MPLS data plane is used to push labels onto IGP routes
C. A stack of labels represents an ordered list of segments
D. The packet is encapsulated with a header and trailer encoding the ordered list of segments
An engineer is troubleshooting a connectivity issue across the MPLS network and is verifying the forwarding behavior of packets. Which table does the engineer look at to verify the forwarding behavior of an IP packet as it enters the MPLS network at the ingress LSR?A. LFIB
B. LIB
C. RIB
D. FIB
Refer to the exhibit. CE1 is the gateway router into the provider network via PE1. A network operator must inject a default route into OSPF area 0. All devices inside area 0 must be able to reach PE1. Which configuration achieves this goal?
A.
B.
C.
D.
Refer to the exhibit. Router 1 is a core ABR in a Cisco Unified MPLS environment. All of the router 1 BGP peers are established, but traffic between customers is failing. Which BGP configuration must be added to the configuration?A. It must be configured for graceful restart
B. It must be configured with a route reflector
C. It must be configured with send labels
D. It must be configured with PIC edge
Refer to the exhibit. A network engineer implemented this segment routing configuration. Which statement about the output is true?A. This range conflicts with the segment routing local block range.
B. The device must be reloaded for these ranges to be allocated and used.
C. The default segment routing global block range is being used on this device.
D. A nondefault segment routing global block range is being used on this device.
Which statement about enabling segment routing for IGPs is true?A. Segment routing must first be enabled under then routing process and then globally
B. Segment routing must first be enabled globally and then under the routing process
C. Segment routing can be enabled only under the routing process
D. Segment routing can be enabled only globally
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.
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.
Refer to the exhibit. A network operator is configuring BGP PIC on CE1 on already established neighborships with PE1 and PE2 inside the fully converged MPLS network. Which element needs to be implemented to make this feature function effectively?A. Bidirectional Forwarding Detection must be applied to the upstream facing BGP interfaces
B. The operator must ensure that all prefixes have the same next-hop from PE1 and PE2 for BGP PIC
C. A reserved BGP community of 1:10 must be used to denote the PIC feature set to the routing protocol
D. BGP import/export policies must be applied on all devices for the routes needing BGP for PIC
Refer to the exhibits. All links inside the network are configured at a default cost of one inside the fully converged OSPF domain. Given the configuration from XR1, which interface does traffic from XR1 that is destined to the loopback interface of XR6 select for the exiting interface?A. Interface GigabitEthernet 0/0. The tie breaker of the path cost being lower. The node index priority does not impact this selection process.
B. Interface GigabitEthernet 0/1. The tie breaker of the path cost being lower. The node index priority does not impact this selection process.
C. Interface GigabitEthernet 0/0. The tie breaker of the node index priority is lower and trumps the path cost.
D. Interface GigabitEthernet 0/1. The tie breaker of the node index priority is lower and trumps the path cost.
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
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
Refer to the exhibit. An engineer applied the summarization configuration on R1 for four networks (192.168.20.0/24 to 192.168.23.0/24) in area 1 and eight networks (192.168.32.0/24 to 192.168.39.0/24) in area 2 to stop the flooding of all the customer routes. While checking the routing table of R2, the engineer noticed that R1 is still sending only specific routes to R2. Which configuration should the engineer apply on R1 to summarize routes?A.
B.
C.
D.
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
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
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
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
Which difference must an engineer consider when choosing whether to implement OSPF or IS-IS as the routing protocol on the network?A. The OSPF DR election process is deterministic, and the IS-IS DS election process is not deterministic.
B. To support fast convergence, OSPF uses the LSA arrival timer and IS-IS uses the PRC-interval timer.
C. IS-IS supports ordinary, stub, totally-stub, and NSSA areas, but OSPF supports only stub areas.
D. IS-IS links are associated with either a Level 1 area or a Level 2 area at one time, but OSPF links are associated with multiple areas at one time.
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
Refer to the exhibit.
Customer traffic from the branch site to the hub is experiencing packet drops. The engineer verified that:
• Customer traffic from the hub is able to reach the branch site.
• The connection between PE1 and PE2 is working normally.
• Routers P1 and P2 are able to ping devices on the hub site.
Which action resolves the issue?A. Redistribute the CE1 OSPF routes in the PE1 VRF.
B. Redistribute the CE2 OSPF routes in the PE2 VRF.
C. Advertise the VPNv4 routes of the branch site in CE2.
D. Advertise the VPNv4 routes of the hub in CE1.
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 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.
A network engineer has divided AS into confederations. Due to repeated ASN, when the 10.0 0.0/8 prefix from R1 arrives to R2, BGP automatically rejects it. What should the engineer do to fix the problem so that BGP allows that prefix on R2?A. Configure the command as-override on R1.
B. Configure the command allowas-in on R2.
C. Configure the command allowas-in on all the PE routers.
D. Configure the command as-override on R2.
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
Refer to the exhibit.
After configuring IS-IS on routers R1 and R2, an engineer notices that only the loopback interface at 2000:1::1 /96 is known to router R2. Which change must be made so that only Loopback2 is advertised from R1 to R2?A. Configure the router isis area1 command under the Loopback0 interface on R1.
B. Remove the advertise passive-only command under the IS-IS address family ipv6 configuration
C. Remove the ipv6 router isis area1 command under the Loopback2 interface on R1.
D. Remove the passive-interface Loopback0 command under the router isis area1 configuration.
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 192.168.1.1
B. Router 1 sends only one best path to neighbor 192.168.1.1
C. Router 1 sends up to three paths to neighbor 192.168.1.1 for all routes
D. Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
Refer to the exhibit.
The extension header of the IPv6 header is ignored when which value is equal to zero?A. Segments Left
B. Hdr Ext Len
C. Routing Type
D. Next Header
A network operator working for a telecommunication company with an employee id: 4074:92:707 is planning to implement the Nonstop Forwarding (NSR) feature on the customer’s core network. After getting the configuration ready for NSR. on which router should the operator implement NSR changes?A. on the CE router
B. on the ASBR router
C. on the ABR router
D. on the PE router
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. Configure all routers as Level 1 routers.
B. Remove the link metric for the link from router R1 to router R2.
C. Change the link metric for the link from router R1 to router R2 to 1.
D. Configure all routers as Level 1 / Level 2 routers.
Refer to the exhibit.
An engineer is troubleshooting IS-IS configuration between two areas. IS-IS Area-A network 30.1.1.0/24 is leaked into IS-IS Area-В. R2 is failing to filter the route updates from network 10.1.1.0/24. Which configuration must the engineer apply to resolve the issue?A. R2(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24R2(config)# interface fastethernet 0/0R2(config-if)# ip router isis 100R2(config-if)# router isis 100 -R2(config-router)# distribute-list gateway List2 in
B. R2(config)# ip prefix-list List1 seq 3 deny 10.1.1.0/24R2(config)# ip prefix-list List1 seq 5 permit 30.1.1.0/24 ge 25 1eR2(config)# ip prefix-list List1 seq 10 permit 0.0.0.0/le 32R2(config)# interface fastethernet 0/0R2(config-if)# ip router isis 122R2(config-if)# router isis 122 -R2(config-router)# distribute-list prefix List1 in
C. R1(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24R1(config)# interface fastethernet 0/0R1(config-if)# ip router isis 100R1(config-if)# router isis 100 -R1(config-router)# distribute-list gateway List2 inR (config-if)# router isis 150 -R1(config-router)# distribute-list route-map Map1 in
D. R2(config)# access-list 101 deny ip any 10.1.1.0 0.0.0.127R2(config)# access-list 101 permit ip any 30.1.1.0 0.0.0.63R2(config)# access-list 101 deny ip any 0.0.0.0 0.0.0.0R2(config)# interface fastethernet 0/0R2(config-if)# ip router isis 121R2(config-if)# router isis 121 -R2(config-router)# distribute-list 101 in
Refer to the exhibit. A network engineer sets up a multihoming eBGP topology where multiple Autonomous Systems connect to ASN 64501. The engineer wants to block all the routes coming from ASN 64502 but allow all the others. For that purpose, the following AS Path prefix list is being used:
(config)#ip as-path access-list 10 deny _64502$
What must be fixed to achieve this result?A. The AS-PATH filter must be defined inside the route-map mode
B. The statement must be modified with ip as-path access-list 1 deny_64502_
C. The statement must be modified with ip as-path access-list 1 deny ^64502$
D. At the end, ip as-path access-list 10 permit.* must be included
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. 192.168.1.2
B. 192.168.3.2
C. 192.168.3.6
D. 192.168.1.6
Refer to the exhibit. Routers R1, R2, R3, and R4 have been configured to run OSPF, and router R5 is running EIGRP. Traffic from R1 to R5 is expected to pass via R4, but OSPF routing has calculated the best path R3. Which action corrects the problem?A. Reconfigure R1 in Area 0
B. Configure R3 to use metric-type 1 with a higher metric than R4
C. Configure R1 with a static route to the R5 networks and set R5 as the next hop
D. Change the metric-type value on R3 to 2
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