[2026年09月]に更新されたCCNP Service Provider 300-510試験練習問題集お試しセット
2026年最新の300-510プレミアム資料テストPDF無料問題集お試しセット
質問 # 67
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 100 on the prefix coming from 192.168.0.1
- B. higher local preference on the prefix coming from 192.168.0.1
- C. weight of 0 on the prefix coming from 192.168.0.2
- D. lower local preference on the prefix coming from 192.168.0.2
正解：C
解説：
Weight is the first attribute in path selection algorithm and is 0 for eBGP routes by default. If we set it to 0, router will continue from weight to the bottom, and when comparing neighbor router IDs it will find 192.168.0.1 less than 192.168.0.2 and the path will be selected as the best.
質問 # 68
Refer to the exhibit.
When implementing SRv6, which SID does R2 propagate into area 0 for the prefix 2001:DB8:1:1/128?
- A. 0
- B. 1
- C. 2
- D. 3
正解：B
質問 # 69
Refer to the exhibit.
Routers within the cluster are not receiving the desired prefixes. What must be done to fix the issue?
- A. No client-to-client must be disabled.
- B. Clients in that cluster must have full mesh connectivity between iBGP peers.
- C. Clients in that cluster must have full mesh connectivity between eBGP peers.
- D. No client-to-client reflection must be enabled.
正解：B
質問 # 70
Refer to the exhibit. An engineer working for a private telecommunication company with an employee id: 1234:56:789 notices that the customer network going through AS30-AS65001- AS65000 is experiencing packet drops when it accesses an application at 172.16.20.1/32 in the DC cloud. The BGP link between AS20 and AS30 is inaccessible because of a fiber cut. Routers RL, RN, and RZ are configured with confederation identifier 10. Which action resolves this issue?
- A. RB(config)#router bgp 30
RB(config-router)# neighbor 10.10.10.3 remote-as 65001 - B. RM(config)#router bgp 65000
RM(config-router)# bgp confederation peers 65001 - C. RX(config)#router bgp 65001
RX(config-router)# no synchronization
RX(config-router)# bgp confederation identifier 10 - D. RX(config)#router bgp 65001
RX(config-router)# bgp confederation peers 65000
正解：C
質問 # 71
Refer to the exhibit. IS-IS is the routing protocol on the network. After the team noticed excessive CPU usage on all routers, particularly routers R2 and R6, they configured route summarization on all routers. However, a network engineer noticed that summary routes and more specific routes are present in the routing table on R1.
Which action must the team take so that R1 receives only the summary routes?
- A. Configure R2 and R4 to perform summarization for Level 1 routers.
- B. Configure R3 to perform summarization for Level 1 routers, and configure R6 to perform summarization for Level 2 routers.
- C. Configure R6 only to perform summarization for all routers.
- D. Configure R3 and R5 to perform summarization for Level 1 and Level 2 routers.
正解：B
質問 # 72
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?
- A. Configure ip pim ssm with ip igmp version 2 on interface GigabitEthernet 1/0.
- B. Configure ip pim bidir-enable in global mode and add ip pim rp-address 10.10.10.3
- C. Remove the ip pim ssm default configuration and replace it with ip pim rp-address 10.10.1.3
- D. Change ip igmp version 2 to ip igmp version 3 on interface GigabitEthernet 1/0.
正解：D
質問 # 73 
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?
- A.
- B.
- C.
- D.
正解：B
解説：
Explanation/Reference:
質問 # 74
Refer to the exhibit.
Refer to the exhibit. This network is deployed with all connected links configured to run IS-IS. The routing protocol is enacted globally on each router, and the network engineer expects full routing Information to be shared among all routers. R5 is receiving routes from R4 but is missing routes from R1. Which action corrects the issue so that all routes are shared among the routers?
- A. Configure R3 as a Level 2 we.
- B. Configure RI and RS as Level 1"Level 2
- C. Configure all routers to reside in toe area.
- D. Configure R5 in the same as RI,
正解：C
質問 # 75
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 different IS-types.
- D. The two routers have the same network ID.
正解：A
質問 # 76
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.
正解：
解説：
質問 # 77
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. 192.168.3.6
- B. 192.168.3.2
- C. 192. 168.1.2
- D. 192.168.1.6
正解：C
質問 # 78
Refer to the exhibit. R21 is a multicast source sending multicast traffic 224.1.1.1 to R23, with RP22 serving as the rendezvous point inside AS65222. A network engineer noticed that when R21 goes down, R12 in AS65111 starts to send the same multicast group 224.1.1.1 through RP11. Which action resolves the issue?
- A. Advertise RP2 with a high local preference in AS65222.
- B. Enable passive interface under EIGRP between the two autonomous systems.
- C. Disable PIM parse mode between RP11 and RP22 in the two autonomous systems.
- D. Block service groups 224.0.1.39 and 224.0.1.40 between the two autonomous systems.
正解：D
質問 # 79
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 and 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 R3, but not between R1 and R2.
- D. The BGP session comes up between R1 and R2, but not between R1 and R3.
正解：A
質問 # 80 
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 B
- B. Option D
- C. Option C
- D. Option A
正解：B
質問 # 81
For which reason can two BGP peers fail to establish a neighbor relationship?
- A. They are both activated under an IPv4 address family
- B. Their BGP send-community strings are misconfigured
- C. Their remote-as numbers are misconfigured
- D. Their BGP timers are mismatched
正解：C
解説：
Explanation/Reference:
質問 # 82
Refer to the exhibit. PIM-SM has been enabled in the network, and the RP is located on R1 with IP address 20.20.20.1/24. After the team upgraded the networking stack on APP_Server with IP address 10.10.10.10/24, clients no longer receive the remote learning VoD resources.
APP_Server is assigned group address 224.0.1.40. Which action must the networking team take to resolve the multicast issue?
- A. Set route ip mroute 192.168.15.13 255.255.255.255 20.14.14.4 on R2.
- B. Implement ttl-threshold 6 on R2.
- C. Configure ip pim rp-address 20.13.13.1 override on all routers in the domain
- D. Change the TTL configuration on APP_Server to 6.
正解：D
解説：
The "bad hop count" statistics on R2 indicate that the multicast packets are expiring in flight because their TTL is too low to traverse your PIM-SM domain. By default, many OS multicast stacks send with TTL=1, which only survives a single router hop. Raising the source's multicast TTL (for example to 6) ensures the packets can reach clients several hops away without hitting zero.
質問 # 83
Refer to the exhibit. Which two commands must the engineer configure for the company's PIM- PIM network to enable Auto-RP mappings to be sent over the FastEthernet0/0 interface without affecting normal operation? (Choose two)
- A. enable sparse-dense mode
- B. enable Auto-RP announcements
- C. enable dense mode
- D. enable sparse-mode
- E. enable auto-rp listener
正解：A、E
質問 # 84
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