Latest Cisco 300-510 Free Certification Exam Material with 291 Q&As [Q148-Q166]

11月 24, 2025 管理者 0 コメント

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Latest Cisco 300-510 Free Certification Exam Material with 291 Q&As

UPDATED 300-510 Exam Questions Certification Test Engine to PDF

Difficulty in Writing Implementing Cisco Service Provider Advanced Routing Solutions (300-510 SPRI) Exam

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Q148. Refer to the exhibit. The extension header of the IPv6 header is ignored when which value is equal to zero?

Segments Left

Hdr Ext Len

Routing Type

Next Header

If Segments Left is zero, the node must ignore the Routing header and proceed to process the next header in the packet, whose type is identified by the Next Header field in the Routing header.

Q149. 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?

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

The IS-IS “ISP” and “ISP2” instances are unrelated and unable to intercommunicate

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

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

参考までに：
irs-instance-vrf.html

Q150. 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?

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

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

Change the prefix-list action to permit and add an explicit deny statement for network
192.168.1.0/24

Add a permit statement for 0.0.0.0/0 le 32 to the end of the prefix-list 10 override the implicit deny.

Q151. 展示を参照。

Refer to the exhibit While troubleshooting a networking issue an engineer identified a suboptimal communication issue on route reflector RR2 In the current environment Router A is a non-route-reflector client for RR1 and RR2 Routers D and E are directly connected iBGP peers.
Router F is not an iBGP peer of routers D and E
Which action resolves the issue?

Disable BGP Client-to-Client reflection on router RR2.

Enable next-hop-self for BGP peering on router C.

Remove the route-reflector configuration on router RR2.

Enable next-hop-self for BGP peering on router D.

Q152.

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?

It must be configured for graceful restart

It must be configured with a route reflector

It must be configured with send labels

It must be configured with PIC edge

Q153. Refer to the exhibit. The UserA device fails to recede IPTV streaming traffic from the source.
While debugging the issue a network engineer finds that routers RB and RC receive the multicast traffic normally RC receives subscription messages from UserA to join the IPTV stream.
Which action must the engineer lake on router RA to correct this problem?

Configure ip pim ssm with ip igmp version 2 on interface GigabitEthernet 1/0.

Remove the ip pim ssm default configuration and replace it with ip pim rp-address 10.10.1.3.

Change ip igmp version 2 to ip igmp version 3 on interface GigabitEthernet 1/0.

Configure ip pim bidir-enable in global mode and add ip pim rp-address 10.10.10.3.

Q154. Refer to the exhibit. A network operator must stop 10.33.33.33/32 from being redistributed into Level 1 router XR1.
Which configuration meets this need?

Q155. 展示を参照。

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

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

Router 2 uses router 3 as the next hop for 192.168.0.0/24

Router 2 uses router 1 as the next hop for 192.168.0.0/24

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

From IOS 15.1(2)S onwards, Cisco uses the OSPF path selection order is O > O IA > N1 > E1 > N2 > E2 https://www.cisco.com/c/en/us/support/docs/ip/open-shortest-path-first-ospf/212608-ospf-external-path-selection-external-t.html

Q156. Refer to the exhibit. An engineer working for a private telecommunication company with an employee id 4115 46 881 is enabling a segment routing solution with these requirements.
– A service provider is using the default range for prefix SID.
– PE1 must allocate the first SID from the default range for the
loopback address
– PE1 and PE2 loopback SID allocation should have a minimum difference
of 500.
Which configuration must be implemented to meet the requirements?

オプションA

オプションB

オプションC

オプションD

Q157. 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?

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

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

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

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

Q158. 展示を参照。

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?

Configure the summary-only keyword on the aggregate command

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

Filter the routes on the receiving router

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

Q159.

Refer to the exhibit. The service provider operations team was alerted that hub site traffic from BGP AS
65101 to AS 65201 uses a non-primary path via the R5-R6 link. IBGP peering between R1 and R2 is up. and no fiber failure has been reported on the R2-R3 link The team determined that the traffic flow between
10.10.10.1 and 192.168.30.1 is not considering the R1-R2-R3-R4 path. Which action resolves this issue?

Change the metric attribute to 20 with neighbor 10.10.10.5 on R1.

Change the local-preference attribute to 50 with neighbor 10.10 10 5 on R1

Set the local-preference to the default value with BGP neighbor 10 10.10.3 on R2 for receiving routes.

Add metric 5 with BGP neighbor 10.10.10.6 on R5for receiving routes.

Q160. What is the purpose of the confederation identifier in a BGP confederation?

It reflects the route reflector cluster ID within the confederation.

It carries the AS number within the confederation’s local autonomous system.

It advertises routes outside of the confederation’s autonomous system.

It identifies the autonomous system that belongs to the confederation.

In BGP confederations, the confederation identifier represents the external AS number for the entire confederation. The BGP confederation splits a single large autonomous system (AS) into smaller, manageable sub-ASes. These sub-ASes use private AS numbers internally but appear as a single unified AS to external BGP peers. The confederation identifier ensures that external BGP peers see the confederation as one cohesive AS rather than multiple smaller ASes.

Q161. 展示を参照。

Router 1 has attempted to establish a Cisco MPLS TE tunnel to router 2, but the tunnel has failed. Which statement about this configuration is true?

Router 1 must define an explicit path to router 2

Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces

Router 2 must have a tunnel interface created with router 1 as the destination

Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1

Q162. 展示を参照。

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?

Switch the IGPs running in the core from IS-IS to OSPF to support a Cisco MPLS TE tunnel from PE1 to PE2.

Configure BGP between CE and PE routers.

Confirm that IS-IS is running with metric-style narrow.

Verify the MPLS LSPs.

Q163. Refer to the exhibit. There is a connectivity issue between Customer-1 and Customer-2. File servers between the customers cannot send critical data. R3 routes are missing from the routing table on the Customer-1 router. All interfaces on Customer-1 are up. Which configuration must be applied to router R2 to correct the problem?

Q164. Refer to the exhibit. CE1 and CE2 use connectivity over the service provider cloud to reach CE3.
In the event of a link failure in the service provider cloud, which BGP feature relies on IGP convergence to quickly assist in the installation of a backup path?

BGP graceful restart

BGP route dampening

BOP PIC core

BGP confederations

Q165. 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?