[2025年04月最新リリース]300-510試験問題はあなたをパスさせる
Cisco 300-510試験基本問題とアンサー
質問 # 35
Refer to the exhibit.
正解：
解説：
Solution:
R1
Router bgp 100
Neigh 10.3.3.3 remote-as 100
Neigh 10.3.3.3 update-source loopback0
Address-family ipv4
Neigh 10.3.3.3 next-hop-self
Aggregate-address 172.16.100.0 255.255.252.0 summary-only
Copy run start
R3
Router bgp 100
Neigh 10.1.1.1 remote-as 100
Neigh 10.1.1.1 update-source loopback 0
Copy run start
Verification:-
質問 # 36
Refer to the exhibit.
Router 1 and Router2 have shared routes in the OSPF database but the routes are missing from their routing tables. Checking me prefix-list configuration on both routers, the engineer confirmed all networks are allowed What action should the engineer take to fa the problem?
- A. Switch the DR and BDR roles between the two routers
- B. Configure the two routers with different hello and dead timer values
- C. Configure interface Senal1/0 on Router1 as a point-to-point interface
- D. Configure the two routers with different process IDs
正解：C
質問 # 37
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Sofware?
- A. ip pim bidir-enable
- B. ipv4 pim bidir-enable
- C. ip pim bidir
- D. ip multicast-routing
正解：A
解説：
Reference:
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-3s/imc-pim-xe-3sbook/imc_basic_cfg.html
質問 # 38
Refer to the exhibit.
A service provider technician is working on a multicast issue for a customer. While checking the multicast table, the technician notices that no flags are present for the (1.1.1.1, 239.1.1.1) entry, yet flags are present for the (1.1.1.1, 232.1.1.1) entry.
Which factor might explain this issue?
- A. Only ASM is permitted
- B. Only the default SSM range is permitted
- C. Only GLOP is permitted
- D. Only the administratively scoped range is permitted
正解：B
質問 # 39 
Refer to the exhibit After recent configuration changes to a customer's network, a network engineer notices that R2 cannot communicate with R3 Both FastEthemet interfaces on R2 and R3 are up and configured with the correct IP addresses MD5 password configured en R2 and R3 match with no issues What is the minimum change the engineer must make to enable R2 and R3 to communicate and fix the problem?
- A. Configure virtual links between RI and R3.
- B. Define area 2 as a NSSA on R2 and R3
- C. Configure interface F0/0 on RI and R2 to be in area O.
- D. Configure a loopback interface on R2 and assign it to area 0.
正解：D
質問 # 40
A network engineer is troubleshooting OSPF multiare A.
Which Cisco IOS XR feature should the engineer use in order to streamline OSPF issue?
- A. hierarchical CLI
- B. routing process enabled by default on all interfaces
- C. DR support for topology management
- D. show ip ospf topology command
正解：A
解説：
Reference:
https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-0/routing/configuration/ guide/rc40xr12k_chapter4.html#con_1059437
質問 # 41 
Refer to the exhibit The branch office in area 10 is connected to HQ via Frame Relay uplinks with bandwidth constraints After a recent implementation of QoS on the R2 and R3 networks the system has been logging % SYS-2-MALLOCFAIL: Memory allocation of 65536 bytes failed from 0x224E321, alignment 0 messages To reduce traffic load and memory utilization on R2 and R3 the network engineer configured R1 to announce only one user subnet per location by issuing the summary address 192.168.0.0 255.255.248.0 command en R1 However, the engineer noticed that router R2 still has two routes and a summary address from HQ and R3 also has two routes from HQ Which two actions must the engineer take on R1 to fix the issue so that only one route is announced' (Choose two.)
- A. Configure a summary route for Level 1-Level 2 devices.
- B. Configure the subnet range with the network command under the IS-IS process.
- C. Configure RI as a Level 1 device.
- D. Configure a summary route for Level 1 devices.
- E. Redistribute both routes into the ISIS process.
正解：A、D
質問 # 42
In a PIM-SM environment, which mechanism determines the traffic that a receiver receives?
- A. The receiver explicitly requests traffic from a single source, which responds by forwarding all traffic.
- B. The RP on the shared tree floods traffic out of all PIM configured interfaces.
- C. The receiver explicitly requests its desired traffic from the RP on the shared tree.
- D. The receiver explicitly requests traffic from each desired source, which responds by sending all traffic.
正解：D
質問 # 43
Which statement about enabling segment routing for IGPs is true?
- A. Segment routing can be enabled only under the routing process
- B. Segment routing can be enabled only globally
- C. Segment routing must first be enabled under then routing process and then globally
- D. Segment routing must first be enabled globally and then under the routing process
正解：D
解説：
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/seg_routing/configuration/xe-16-6/segrt-xe-16-6- book/sr-ospfv2-node-sid.html
質問 # 44
Refer to the exhibit. Which statement about this configuration is true?
- A. Router 1 sends up to two paths to neighbor 192.168.1.1 for all routes
- B. Router 1 receives up to two paths from neighbor 192.168.1.1 for all routes in the same AS
- C. Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
- D. Router 1 receives only the best path from neighbor 192.168.1.1
正解：D
解説：
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/iproute_bgp/configuration/xe-16/irg-xe-16- book/bgp-additional-paths.html#GUID-3B53DD71-EA19-401F-93CC-79E92ADFB915
質問 # 45
Which two BGP route reflector attributes should be implemented to prevent routing loops?
(Choose two)
- A. ORIGINATOR_ID
- B. CLUSTER_LIST
- C. COMMUNITY
- D. CLUSTER_ID
- E. AS_PATH
正解：A、B
質問 # 46
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 comes up between R1 and R2, but not between R1 and R3.
- B. The BGP session does not come up between R1 and R2 and between R1 and R3.
- C. The BGP session comes up between R1 and R2 and between R1 and R3.
- D. The BGP session comes up between R1 and R3, but not between R1 and R2.
正解：C
質問 # 47
Refer to the exhibit.
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 allowas-in on R2.
- B. Configure the command as-override on R1.
- C. Configure the command allowas-in on all the PE routers.
- D. Configure the command as-override on R2.
正解：A
質問 # 48
Which command is used to enable BIDIR-PIM under global configuration mode for Cisco IOS XE Sofware?
- A. ip pim bidir-enable
- B. ipv4 pim bidir-enable
- C. ip pim bidir
- D. ip multicast-routing
正解：A
解説：
Explanation/Reference: https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipmulti_pim/configuration/xe-3s/imc-pim-xe-3s- book/imc_basic_cfg.html
質問 # 49
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 B
- B. Option A
- C. Option D
- D. Option C
正解：C
解説：
Reference:
b_routing_cr41crs/b_routing_cr41crs_chapter_01000.html#wp3850885229
質問 # 50
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 passed through AS 65517 have the local preference set to 150.
- C. Routes that have originated through AS 65517 have the local preference set to 150.
- D. Routes that have passed through AS 65517 have the local preference set to 150 and the traffic is denied.
正解：B
質問 # 51
Refer to the exhibits.
A network operator is troubleshooting packet loss seen from the R1 loopback interface to the R2 loopback interface over the core network. The operator is attempting to identify the next leg in the path from PE1.
Which interface and label path should the operator investigate next?
- A. PE1 - Gi0/0/0/3 - forwarding label 24002
- B. PE1 - Gi0/0/0/2 - forwarding label 24001
- C. PE1 - Gi0/0/0/2 - forwarding label 24002
- D. PE1 - Gi0/0/0/3 - forwarding label 24001
正解：D
質問 # 52
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. Switch the DR and BDR roles between the two routers
- B. Configure the two routers with different hello and dead timer values
- C. Configure interface Senal1/0 on Router1 as a point-to-point interface
- D. Configure the two routers with different process IDs
正解：C
質問 # 53
Refer to the exhibit
An engineer is configuring service traffic from router R1 to R6 as shown. Which additional configuration must the engineer implement so that the LDP and SR domains will participate and interwork with each other?
- A. Router2(config)# segment-routing
Router2(config-sr)# ldp mapping-server
Router2(config-sr-ms)# prefix-sid-map
Router2(config-sr-ms-map)# address-family ipv4
Router2(config-sr-ms-map-af)# 2.2.2.2/32 500 range 40 - B. Router2(config)# segment-routing
Router2(config-sr)# mapping-server
Router2(config-sr-ms)# prefix-sid-map
Router2(config-sr-ms-map)# address-family ipv4
Router2(config-sr-ms-map-af)# 10.1.1.1/32 500 range 50 - C. Router2(config)# segment-routing
Router2(config-sr)# ldp mapping-server
Router2(config-sr-ms)# prefix-sid-map
Router2(config-sr-ms-map)#
Router2(config-sr-ms-map-af)# 2.2.2.2/32 500 range 4 - D. Router2(config)# segment-routing
Router2(config-sr)# sr mapping-server
Router2(config-sr-ms)# ldp-sid-map
Router2(config-sr-ms-map)# address-family ipv4
Router2(config-sr-ms-map-af)# 10.1.1.1/32 500 range 50
正解：B
質問 # 54
Refer to the exhibit.
Which statement about this configuration is true?
- A. Router 1 sends up to two paths to neighbor 192.168.1.1 for all routes
- B. Router 1 sends and receives multiple best paths from neighbor 192.168.1.1
- 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
正解：B
質問 # 55
Refer to the exhibit. R1 is sending data traffic to R6 using the same SRGB range as the other routers in the topology, but it is also using a non-default SRLB range. Which two configuration tasks must the engineer perform to enable normal SRGB and SRLB operations on this network?
(Choose two.)
- A. Configure router R1 with adjacency SID 1003 to enable it to reach R2.
- B. Set the default SRGB range to 16000 to 23999.
- C. Configure an adjacency SID from SRLB range 1002 to 6005.
- D. Configure router R2 with adjacency SID 4002 to enable it to reach R4.
- E. Set the SRGB range to 1002 to 6005.
正解：B、C
質問 # 56
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. FIB
- B. LFIB
- C. LIB
- D. RIB
正解：B
質問 # 57
Refer to the exhibit.
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?
- A. BGP graceful restart
- B. BGP route dampening
- C. BOP PIC core
- D. BGP confederations
正解：C
質問 # 58
Refer to the exhibit.
How are packets directed through the data plane when SRv6 is implemented?
- A. The packet is encapsulated with a header and trailer encoding the ordered list of segments
- B. An ordered list of segments is encoded in a routing extension header
- C. A stack of labels represents an ordered list of segments
- D. The MPLS data plane is used to push labels onto IGP routes
正解：B
質問 # 59
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Cisco 300-510試験は、Border Gateway Protocol（BGP）、Multiprotocol Label Switching（MPLS）、およびVirtual Private Network（VPN）技術を含む幅広い高度なルーティング技術をカバーしています。また、高度なルーティングポリシー、ルート再配布、およびルートフィルタリング技術に関する知識を試験します。合格者はこれらの技術がどのように動作し、サービスプロバイダーネットワークでどのように設定および最適化できるかについて深い理解を持っていることが期待されています。
2025年最新のリアルな無料Cisco 300-510試験問題集問題と解答：https://jp.fast2test.com/300-510-premium-file.html
300-510練習テストエンジン購入前に試そう270試験問題：https://drive.google.com/open?id=1VgMruzcDOj_o80GJSZU1FJooGBWpt5Kh