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Cisco 300-510 exam is a 90-minute exam consisting of 60-70 questions. 300-510 exam is available in English and Japanese and can be taken online or at a Pearson VUE testing center. 300-510 exam fee is $300 USD, and candidates are required to renew their certification every three years by passing a recertification exam or earning Continuing Education credits.
NEW QUESTION # 84
Refer to the exhibit. Traffic flow from router R1 to router R6 is delay-sensitive. It must consider potential link-failure and node-failure conditions.
Which configuration must an engineer apply to router R1 to route traffic to router R6 if router R2 fails?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: B
NEW QUESTION # 85
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. Configure the Level 2 router R6 to manage summarization for the network
- B. Configure router R1 to send only the default route to R2 and R4.
- C. Configure routers R3 and R5 to send summary routes to R6.
- D. Configure all routers as Level 1/2 routers so that route summarization functions throughout the network
Answer: C
NEW QUESTION # 86
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?
- A. Option A
- B. Option C
- C. Option D
- D. Option B
Answer: C
NEW QUESTION # 87
Refer to the exhibit.
Refer to the exhibit. A network engineer is investigating a report of packet drops between the branch site and the central site.
The two sites are connected via OSPF and RSVP-TE tunnels.
Traffic from the central site to the branch site is passing normally.
Technicians at both sites successfully ping the loopback IP addresses on routers R1 and R2.
Which configuration corrects the packet-drop problem?
- A. Option A
- B. Option C
- C. Option D
- D. Option B
Answer: C
NEW QUESTION # 88
Refer to the exhibit.
CE1 and CE2 are iBGP neighbors in AS 65516. All traffic that exits AS 65516 must use the link from CE1 to PE1. CE1 is advertising a higher local preference to CE2, but traffic from CE2 still prefers the PE2 link. Which action corrects the problem?
- A. Add the lower local-preference value on PE2 towards CE2.
- B. Add the next-hop self command to the CE1 neighbor statement for CE2.
- C. Configure CE1 to send routes to CE2 with a higher weight.
- D. Configure CE1 to send routes to CE2 with a higher MED.
Answer: B
NEW QUESTION # 89
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. Set the network type in S1/0 to point-to-point.
- B. Modify the router ID to be the interface IP on the serial.
- C. Modify the IP address or mask of the interface to a valid one.
- D. Set up a priority different than 0 in the interface.
Answer: C
NEW QUESTION # 90
Refer to the exhibit.
After these configurations were applied to routers R1 and R2. the two devices cannot form a neighbor relationship What is the reason tor the problem?
- A. The two routers have the same area ID.
- B. The two routers have the same network ID
- C. The two routers cannot authenticate with one another
- D. The two routers have different iS-types
Answer: C
NEW QUESTION # 91
Which statement about BFD on Cisco IOS XR Software is true?
- A. BFD is not compatible between Cisco IOS XR and Cisco IOS Software.
- B. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
- C. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.
- D. Cisco IOS XR Software does not support BFD multihop for IPv4.
Answer: B
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-3/routing/configuration/ guide/b-routing-cg-asr9000-63x/b-routing-cg-asr9000-63x_chapter_0100.html
NEW QUESTION # 92
Refer to the exhibit.
Refer to the exhibit. A network consultant is updating the company s MPLS solution and configuring several new PE devices to enable full communication among PE devices connected to the network. The updates must ensure the redundancy and scalability of the network The egress LSR is configured with mpls Idp explicit-null While configuring the given PE router to be adjacent to the egress LSR. the consultant notices that MPLS forwarding is not working in the network Which action resolves the issue?
- A. Open TCP and UDP ports 464
- B. Configure Cisco Express Forwarding on all routers in the MPLS network
- C. Configure MVRF on all routers in the MPLS network
- D. Open TCP and UDP ports 179
Answer: B
NEW QUESTION # 93
What are two characteristics of BGP confederations? (Choose two.)
- A. The member AS numbers used within the confederation are visible from outside the confederation.
- B. All routers within the BGP confederation must support BGP confederations.
- C. An Intra-Confederation EBGP session behaves like an EBGP session when propagating routing updates.
- D. Intra-Confederation EBGP neighbors must be directly connected or ebgp-multihop must be configured.
Answer: B,D
NEW QUESTION # 94
Refer to the exhibit.
A network operator wants to expand the segment routing global block in upcoming maintenance. The operator must ensure that the changes to the segment routing global block have no adverse impacts on the prefix-sid associated with the loopback0 interface used within the OSPF domain.
Which command can the operator use to enforce R2 to have a strict prefix-sid assignment to loopback0?
- A. Option A
- B. Option D
- C. Option C
- D. Option B
Answer: C
NEW QUESTION # 95
Refer to the exhibit. Users at the branch office on R1 reported issues with an application at the home office on R4. While troubleshooting the issue, a network engineer determined that:
- The branch-office users can connect to the home office.
- The IS-IS adjacencies between R1 and R2 and R1 and the branch office
are up.
- Traffic from R1 to the R2 10.20.1 .0/24 network is moving normally.
- The application at the home office is experiencing packet drops on
the connection to the branch, and R3 cannot reach the R1 172.16.10.0/24 network.
Which action resolves the issues?
- A. Redistribute static connected routes in IS-IS on router RI.
- B. Configure the IS-IS core instance on the R1 GigabitEthernet0/3 interface.
- C. Redistribute static connected routes in IS-IS on router R4.
- D. Configure the IS-IS core instance on the R2 GigabitEthernet0/1 interface.
Answer: B
NEW QUESTION # 96
Refer to the exhibit. Users connected to an application on 1.1.1.1 via routers CE1 and CE2 are complaining of frequent disconnections. While troubleshooting the issue, a network engineer with an employee ID: 1234:56:789 determined that the application itself is working normally, but the link connected to the 1.1.1.1 application is flapping. The users on CE1 and CE2 are accessing applications on 2.2.2.2 without difficulty. Which action resolves the issue?
- A. Enable passive interface on the router R3 Loopback1 interface.
- B. Disable split horizon on router R2.
- C. Redistribute CE1 routes on router R2.
- D. Enable route dampening on routers R1 and R2.
Answer: D
NEW QUESTION # 97
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-B. 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 10.1.1.0/24
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 100
R2(config-if)# router isis 100
R2(config-router)# distribute-list gateway List2 in - B. R2(config)# access-list 101 deny ip any 10.1.1.0 0.0.0.127
R2(config)# access-list 101 permit ip any 30.1.1.0 0.0.0.63
R2(config)# access-list 101 deny ip any 0.0.0.0 0.0.0.0
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 121
R2(config-if)# router isis 121
R2(config-router)# distribute-list 101 in - C. R1(config)# ip prefix-list List2 seq 5 deny 10.1.1.0/24
R1(config)# interface fastethernet 0/0
R1(config-if)# ip router isis 100
R1(config-if)# router isis 100
R1(config-router)# distribute-list gateway List2 in
R (config-if)# router isis 150
R1(config-router)# distribute-list route-map Map1 in - D. R2(config)# ip prefix-list List1 seq 3 deny 10.1.1.0/24
R2(config)# ip prefix-list List1 seq 5 permit 30.1.1.0/24 ge 25 1e
R2(config)# ip prefix-list List1 seq 10 permit 0.0.0.0/le 32
R2(config)# interface fastethernet 0/0
R2(config-if)# ip router isis 122
R2(config-if)# router isis 122
R2(config-router)# distribute-list prefix List1 in
Answer: C
NEW QUESTION # 98
What is one of the purposes of a default Multicast Distribution Tree?
- A. to handle high-bandwidth source streams
- B. to offload traffic from data MDT
- C. to support control traffic between different VRFs
- D. to define the RP for PIM sparse mode and the different leafs
Answer: B
NEW QUESTION # 99
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.)
Answer:
Explanation:
NEW QUESTION # 100
Refer to the exhibit.
Refer to the exhibit. After a recent network implementation project, customer A is performing stress testing to verify network redundancy at the branch office connected to R4. When the link from R2 is shut Oown as shown, the SLA tracking object fails and the cost of the link between R2 and R4 increases to 100. However, a traceroute operation from a PC in the Branch office shows that traffic to HQ is still routed via R2. Which solution corrects the problem and optimizes traffic flow via R3 without creating operational overhead?
- A. Configure two OSPF processes on R2 and R3 and redistribute traffic between them.
- B. Redistribute routes from BGP to OSPF as type El.
- C. Use multiarea adjacency to extend Area 10 to the link between R2 and R3.
- D. Create a virtual channel from R3 to R4.
Answer: B
NEW QUESTION # 101
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 IGP metric can be manipulated on R1 to allow traffic to be load balanced between R2 and R3.
- C. The weight attribute can be applied on R2 to influence AS 65513 to use AS 65515 as the primary path.
- D. The local preference attribute can be applied on R3 to influence AS 65513 to use AS 65515 as the secondary path.
Answer: B
Explanation:
Some level of load balancing is achieved by default as BGP prefers shortest AS_PATH for certain prefix (Cisco BGP path selection algorithm - rule 4) . If 1-7 rules gives no preference for certain prefix then with rule 8. Prefer lowest IGP metric to BGP next hop we can force traffic to R2 or R3 influencing load distribution.
NEW QUESTION # 102
Which statement about BFD on Cisco IOS XR Software is true?
- A. BFD is not compatible between Cisco IOS XR and Cisco IOS Software.
- B. Cisco IOS XR router must use dynamic routing or a static route back to the Cisco IOS router to establish the peer relationship.
- C. Cisco IOS XR router must use LDP to route back to the Cisco IOS router to establish the peer relationship.
- D. Cisco IOS XR Software does not support BFD multihop for IPv4.
Answer: B
Explanation:
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/routers/asr9000/software/asr9k-r6-3/routing/configuration/ guide/b-routing-cg-asr9000-63x/b-routing-cg-asr9000-63x_chapter_0100.html
NEW QUESTION # 103
Refer to the exhibit.
VPN users that are connected to PE routers are facing network issues. Traffic that originates from CE1 drops before reaching CE2. An engineer finds no outgoing traffic statistics on PE1 and PE2 routers toward CE devices and finds that the PE1 router is running the older software image. Which action must be implemented to resolve the issues?
- A. Enable CEF-based forwarding on PE1 router.
- B. Advertise PE2 router loopback on PE1 in OSPF.
- C. Advertise P1 router loopback on PE1 in OSPF.
- D. Enable LDP protocol on PE1 and PE2 routers.
Answer: A
NEW QUESTION # 104
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 GigabitElhemet 0/0. The tie breaker of the node index priority is lower and trumps the path cost.
- B. Interface GigabitEthernet 0/1. The tie breaker of the node index priority is lower and trumps the path cost.
- C. Interface GigabitEthernet 0/1. The tie breaker of the path cost being lower. The node index priority does not impact this selection process.
- D. Interface GigabitEthernet 0/0. The tier breaker of the path cost being lower. The node index priority does not impact this selection process.
Answer: A
NEW QUESTION # 105
Refer to the exhibit
Router R1 is configured to advertise outgoing SA messages to routers R2 and R3, but to receive incoming SA messages only from R2. Which additional configuration must an engineer apply to router R1 so it filters all MSDP SA messages from Domain-C?
- A. R3# ip msdp sa-filter out 192.168.3.1
- B. R3# ip msdp password peer 192.168.1.1
- C. R1# ip msdp sa-filter in 192.168.3.1
- D. R1# ip msdp password peer 192.168.3.1
Answer: C
NEW QUESTION # 106
Drag and drop the attributes for the BGP route selection on the left into the correct order on the right. Not all options are used.
Answer:
Explanation:
NEW QUESTION # 107
Refer to the exhibit.
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?
- A. Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces
- B. Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1
- C. Router 1 must define an explicit path to router 2
- D. Router 2 must have a tunnel interface created with router 1 as the destination
Answer: B
NEW QUESTION # 108
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