Cisco 300-510 Dumps Updated Nov 04, 2023 WIith 177 Questions
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NEW QUESTION # 55
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 7 LSAs from router 3 for its connected subnets
- B. Router 2 uses router 3 as the next hop for 192.168.0.0/24
- C. Router 2 receives a Type 5 LSAs from router 1 for its connected subnets
- D. Router 2 uses router 1 as the next hop for 192.168.0.0/24
Answer: D
Explanation:
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
NEW QUESTION # 56
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 2 must have a tunnel interface created with router 1 as the destination
- B. Router 1 and router 2 must define the RSVP bandwidth reserved on the physical interfaces
- C. Router 1 must have Cisco MPLS TE enabled on interface gigabitethernet0/1
- D. Router 1 must define an explicit path to router 2
Answer: C
NEW QUESTION # 57
Refer to the exhibit.
Refer to the exhibit. A network engineer just replaced five routers on this OSPF network. When the routing protocol is brought up, R5 cannot reach routes that originate on R1. The engineer verified that all connected links have established neighbor relationships. R5 reaches routes originating on R3 and R4. Which action resolves the issue?
- A. Configure an OSPF virtual link to bridge Area O on routers R3 and R4.
- B. Configure OSPF to have a contiguous Area O.
- C. Configure each link to be point-to-point.
- D. Configure automatic neighbor discovery on RI and R5.
Answer: A
NEW QUESTION # 58
An engineer is working to implement segment routing protocol on the customer's core network. Which step should the engineer take before the segment routing is enabled and is running with BGP?
- A. Explicit-null must be configured for all neighbors.
- B. Segment routing must be configured with ISIS.
- C. MPLS must be configured.
- D. Segment routing must be configured with EIGRP.
Answer: C
NEW QUESTION # 59
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. 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 - B. 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 - C. 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 - 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: A
NEW QUESTION # 60
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. Redistribute routes from BGP to OSPF as type El.
- B. Use multiarea adjacency to extend Area 10 to the link between R2 and R3.
- C. Configure two OSPF processes on R2 and R3 and redistribute traffic between them.
- D. Create a virtual channel from R3 to R4.
Answer: A
NEW QUESTION # 61
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 local preference attribute can be applied on R3 to influence AS 65513 to use AS 65515 as the secondary path.
- B. The weight attribute can be applied on R2 to influence AS 65513 to use AS 65515 as the primary path.
- C. The IGP metric can be manipulated on R1 to allow traffic to be load balanced between R2 and R3.
- D. The MED attribute can be applied on R2 to influence R1 to use it as the primary path.
Answer: C
NEW QUESTION # 62
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 # 63 
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.
Answer: B
Explanation:
Explanation
NEW QUESTION # 64
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 are implemented using route maps.
- B. The routing policies affect BGP-related routes only.
- C. If you make edits to an existing routing policy without pasting the full policy into the CLI, the previous policy is overwritten.
- D. You can change an existing routing policy by editing individual statements.
- E. The routing policies are implemented in a sequential manner.
Answer: D,E
NEW QUESTION # 65
Refer to the exhibit.
Refer to the exhibit. MPLS traffic from 192.168.4.0/24 to 192.168.5.0/24 is failing to pass over the link from R4 to R2. The engineer verified that:
Cisco Express Forwarding Is enabled on all routers.
All routers reach all networks via OSPF.
MPLS traffic from 192.168.1.0/24 to 192.168.3.0/24 is passing normally over the link from R1 to R2.
Which action resolves the issue?
- A. On router R4, remove the mpls ip command on the s/O/O/2 interface.
- B. On router R2, configure the mpls ip command on the SIO/O/4 interface.
- C. On router R2, configure the mpls label protocol Idp command on the interface.
- D. On router R4, configure the mpls label protocol Idp command on all serial interfaces.
Answer: B
NEW QUESTION # 66
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. Clear link-state database on both R4 and R5 routers for summarization to work
- B. Remove summarization configuration on R5 and configure it on R4
- C. Move R4 and R5 in separate areas as now they maintain the same link-state database
- D. Configure a sham link between R4 and R5 to support summarization within Area 2
Answer: C
NEW QUESTION # 67
An engineer warns to map a multicast IP address to a multicast MAC How many bits are used to make the conversion?
- A. higher-order 23 bits
- B. lower-order 24 bits
- C. high-order 24 bits
- D. low order 23 bits
Answer: D
NEW QUESTION # 68
Refer to the exhibit. After troubleshooting BGP traffic steering issue, which action did the network operator take to achieve the correct effect of this configuration?
- A. Routes directly attached to AS 65517 have the local preference set to 150.
- B. Routes that have originated through AS 65517 have the local preference set to 150.
- C. Routes that have passed through AS 65517 have the local preference set to 150 and the traffic is denied.
- D. Routes that have passed through AS 65517 have the local preference set to 150.
Answer: D
NEW QUESTION # 69
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 # 70
Refer to the exhibit.
Routers R1 and R2 cannot form a neighbor relationship, but the network is otherwise configured correctly and operating normally. Which two statements describe the problem? (Choose two.)
- A. The two routers have password mismatch issues
- B. The two routers are in different areas
- C. The two routers have the same network ID
- D. The two routers are in the same area
- E. The two routers are in different subnets
Answer: B,E
NEW QUESTION # 71
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 7 LSAs from router 3 for its connected subnets
- B. Router 2 uses router 3 as the next hop for 192.168.0.0/24
- C. Router 2 receives a Type 5 LSAs from router 1 for its connected subnets
- D. Router 2 uses router 1 as the next hop for 192.168.0.0/24
Answer: C
NEW QUESTION # 72
Which cost is the default when redistributing routes from BGP to OSPF?
- A. 0
- B. 1
- C. infinite
- D. automatic
Answer: A
Explanation:
http://www.ciscopress.com/articles/article.asp?p=27573
NEW QUESTION # 73
Refer to the exhibit.
XR1 and XR2 are sending the prefix 10.11.11.0/24 to XR3. A configured policy on XR1 is incorrectly prepending AS path 11 11 12 12 onto this prefix. A network operator wants to add a policy onto XR3 that will not allow the falsely prepending prefix from being installed. Which policy configuration applied to the XR3 neighbor configuration for XR1 can accomplish this requirement without impact to other or future received routes?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: C
Explanation:
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/crs/software/crs_r4-1/routing/command/reference/ b_routing_cr41crs/b_routing_cr41crs_chapter_01000.html#wp3850885229
NEW QUESTION # 74
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. Remove the advertise passive-only command under the IS-IS address family ipv6 configuration
- B. Remove the passive-interface Loopback0 command under the router isis areal configuration.
- C. Configure the router isis areal command under the LoopbackO interface on R1.
- D. Remove the ipv6 router isis areal command under the Loopback2 interface on R1.
Answer: A
NEW QUESTION # 75
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 action fixes the issue?
- A. Change HMAC-MD5 to HMAC-SHA1-12
- B. Configure the send and accept lifetime under key 1
- C. Change HMAC-MD5 to HMAC-SHA1-20
- D. Change HMAC-MD5 to MD5
Answer: B
NEW QUESTION # 76
Refer to me 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 routers coming from ASN 64502. but allow all the others. For that purpose, the following AS Pam prefix 1st s being used:
(config)#ip as-path access-list 10 deny _64502$
What must be fixed to achieve this result?
- A. At the end ip as-path access-list 10 permit .* must be included
- B. The statement must CM modified with ip as path access list 1 deny A64502$
- C. The statement must be modified with ip as-path access-list 1 deny _64502_
- D. The AS-PATH filter must be defined inside the route-map mode
Answer: A
NEW QUESTION # 77
Refer to the exhibit.
Refer to the exhibit. Company A established BGP sessions with several ISPs. A network engineer at the company must filter out all traffic except for routes that transit AS 152. The engineer configured the filtering policy "permit _152S_(_[0.9])" on R1, but after applying the configuration, the engineer notices that other routes are still visible. Which action resolves the issue?
- A. Option A
- B. Option B
- C. Option D
- D. Option C
Answer: A
NEW QUESTION # 78
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. local preference
- B. origin
- C. MED
- D. weight
Answer: C
NEW QUESTION # 79
Refer to the exhibit.
Router 1 is connected to router 2 on interface TenGigE0/1. Which interface provides the alternate path to 172.16.200.9/32 when the link between router 1 and router 2 goes down?
- A. A primary path must be manually installed
- B. A backup path must be statically installed
- C. TenGigE0/1 interface provides the alternate path
- D. TenGigE0/2 interface provides the alternate path
Answer: D
NEW QUESTION # 80
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