Cisco 350-501 Online Practice
Questions and Exam Preparation
350-501 Exam Details
Exam Code
:350-501
Exam Name
:Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR)
Certification
:CCIE Service Provider
Vendor
:Cisco
Total Questions
:568 Q&As
Last Updated
:May 31, 2026
Cisco 350-501 Online Questions &
Answers
Question 341:
Refer to the exhibit.
Customers report occasional forwarding issues from hosts connected to R6 to hosts connected to R1. A network engineer has just updated the MPLS configuration on the network, and a targeted LDP session has been established between R1 and R5.
Which additional task must the engineer perform so that the team can identify the path from R6 to R1 in case the forwarding issues continue?
A. Configure an MPLS TE from R4 to R1 that routes through R5. B. Implement MPLS OAM within the network. C. Implement MPLS VPLS within the network. D. Configure MPLS LDP Sync on each router.
B. Implement MPLS OAM within the network.
Explanation
Question 342:
Refer to the exhibit.
All BGP peering in AS 65101 and 65201 is enabled. The operations team is told that traffic destined to 192.168.1.1/32 from R4 does not use the path R3-R2-R1 as expected. An engineer debugs the issue and determines that 192.168.1.1/32 is advertised in the BGP routing table on R1. Which action resolves the issue?
A. Enable no synchronization on R2 m AS65101. B. Apply route-map High-LP out for prefix 192.168.1.1/32 on R1 with R2 BGP peering. C. Apply redistribute ospf 10 on R1 in BGP AS 65101. D. Configure network 192.168.1.1 mask 255.255.255.255 in BGP AS 65101 on R2
A. Enable no synchronization on R2 m AS65101.
Explanation
Question 343:
Refer to the exhibit.
A network operator needs to shut down interface Gi0/0/0/2 for maintenance.
What occurs to the interface states of Gi0/0/0/0 and Gi0/0/0/1?
A. Gi0/0/0/1 and Gi0/0/0/0 become active B. Gi0/0/0/1 and Gi0//0/0 remains standby C. Gi0/0/0/0 becomes active. Gi0/00/1 remains standby D. Gi0/0/0/1 becomes active Gi0/0/0/0 remains standby
D. Gi0/0/0/1 becomes active Gi0/0/0/0 remains standby
Explanation
The priority is 0x8000 an the lower Port ID wins https://www.cisco.com/c/en/us/td/docs/routers/xr12000/software/xr12k_r4-1/interfaces/command/reference/interfaces_cr41xr12k_chapter8.html#wp948389616
Question 344:
How does Cisco DNA Center enhance network automation?
A. It allows network administrators to quickly deploy Cisco Layer 2 devices without requiring STP and broadcast transport. B. It allows network administrators to reduce inconsistencies when they deploy and validate network configurations. C. It allows network administrators to reduce the number of VRFs in a multi customer environment by automatically implementing a single VLAN per customer. D. It allows network administrators to combine voice and data networks into a single topology without manual configuration.
B. It allows network administrators to reduce inconsistencies when they deploy and validate network configurations.
Explanation
Question 345:
Refer to the exhibit.
An engineer configured BGP summarization on a customer's network. Which route is advertised to BGP peers?
A. 192.0.0.0/16 B. 192168.0.0/16 C. 192.168.1.0/24 D. 192168.0.5/30
B. 192168.0.0/16
Explanation
Question 346:
Refer to the exhibit.
Which purpose of implementing NSF with this configuration is true?
A. The router uses NSF to handle RP switchover while allowing neighbor relationships to remain up. B. The router uses NSF to reduce neighbor-relationship downtime during RP switchover. C. The router uses NSF to load balance traffic on a routed EtherChannel. D. The router uses NSF to load balance traffic between two links, with the primary link alternating every 90 seconds.
A. The router uses NSF to handle RP switchover while allowing neighbor relationships to remain up.
Explanation
Question 347:
How is RSVP used with MPLS traffic engineering tunnels?
A. It assigns a tag to a packet as it travels through the tunnel. B. It removes and reassigns an MPLS label when the packet enters the tunnel. C. It reserves bandwidth along the path of the tunnel. D. It reduces the CPU burden when a packet travels through the tunnel.
C. It reserves bandwidth along the path of the tunnel.
Explanation
RSVP (Resource Reservation Protocol) is used with MPLS (Multiprotocol Label Switching) traffic engineering tunnels primarily to reserve bandwidth along the path of the tunnel. This ensures that sufficient resources are allocated for the traffic to meet quality of service requirements, which is crucial for maintaining the performance of critical applications that traverse the network. References: For more information on RSVP and MPLS traffic engineering, refer to the Implementing and Operating Cisco Service Provider Network Core Technologies (SPCOR) course materials, which provide detailed explanations on how these technologies work together to optimize network traffic.
Question 348:
A router RP is configured to perform MPLS LDP graceful restart.
Which three steps are included when the RP sends an LDP initialization message to a neighbor to establish an LDP session? (Choose three.)
A. Learn from Neighbor (N) flag, set to 1 B. Recovery Time field C. Type-9 LSA D. Reconnect Timeout field E. Graceful restart capability in OPEN message F. Learn from Network (L) flag, set to 1
B. Recovery Time field D. Reconnect Timeout field F. Learn from Network (L) flag, set to 1
Which configuration prevents the OSPF neighbor from establishing?
A. default-metric B. duplex C. network statement D. mtu
D. mtu
Explanation
The OSPF neighbor relationship is not establishing due to a mismatch in MTU (Maximum Transmission Unit) settings on the interfaces of PE-A and PE-B routers. On PE-A, there is no MTU configuration under the interface FastEthernet0/0, which means it is using the default MTU setting. However, on PE-B, the MTU is explicitly set to 1400 bytes with "ip mtu 1400" command under interface FastEthernet0/0. OSPF requires that both ends of a point-to-point link have matching MTU sizes to form a neighbor relationship; otherwise, OSPF adjacency will not be established.
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