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Cisco 300-615 Exam Syllabus Topics:

SectionWeightObjectives
Topic 1: Automation Troubleshooting20%- Troubleshoot Cisco ACI
  • 1. Tenant configuration
  • 2. APIC fabric discovery
  • 3. Contract policies
  • 4. Faults and health scores
- Troubleshoot programmable interfaces
  • 1. REST API operations
  • 2. Python scripting
  • 3. NX-API
Topic 2: Network Troubleshooting20%- Troubleshoot overlay tunneling
  • 1. NVGRE
  • 2. VXLAN
- Troubleshoot routing and switching technologies
  • 1. STP, RSTP, and MSTP
  • 2. First-Hop Redundancy Protocols (HSRP, VRRP)
  • 3. Routing protocols (OSPF, BGP, EIGRP)
  • 4. VPC, vPC Lite
Topic 3: Storage Network Troubleshooting15%- Troubleshoot NAS
  • 1. NFS troubleshooting
  • 2. SMB troubleshooting
- Troubleshoot Fibre Channel
  • 1. VSANs and zones
  • 2. Fibre Channel fabric operations
  • 3. FLOGI, NS, RSCN
  • 4. NPV and NPIV
- Troubleshoot FCoE
  • 1. FCoE Initialization Protocol
  • 2. DCB QoS and priority groups
Topic 4: Compute Platform Troubleshooting20%- Troubleshoot Cisco NX-OS
  • 1. Feature troubleshooting
  • 2. Licensing issues
  • 3. VDC operations
- Troubleshoot Cisco UCS Director
  • 1. Virtual infrastructure workflows
  • 2. Physical infrastructure workflows
- Troubleshoot Cisco UCS Manager
  • 1. Service profiles and templates
  • 2. UCS Manager clusters
  • 3. Identities and pools
Topic 5: Multiprotocol Troubleshooting15%- Troubleshoot Layer 3 connectivity
  • 1. QoS and multicast traffic
  • 2. Multicast (PIM, IGMP)
- Troubleshoot management plane
  • 1. SPAN, ERSPAN
  • 2. SNMP, Syslog, and NetFlow
Topic 6: Security Troubleshooting10%- Troubleshoot access control
  • 1. RBAC and user roles
  • 2. AAA authentication
- Troubleshoot network segmentation
  • 1. VLANs and VRFs
  • 2. Cisco ACI tenant isolation

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Cisco Troubleshooting Cisco Data Center Infrastructure Sample Questions (Q15-Q20):

NEW QUESTION # 15
A Fibre Channel interface on a Cisco Nexus 5000 Series Switch receives bit errors, and the switch disables the interface. A temporary workaround must be implemented before the root cause is identified. Which action does an engineer take to prevent this issue from reoccurring?

Answer: C

Explanation:
Run the switchport ignore bit-errors command on the interface is the required SAN-side correction. In Cisco storage fabrics, symptoms such as isolated ports, missing targets, failed zone merges, vFC down state, or inaccessible LUNs are rarely solved by changing a random endpoint setting. The engineer must validate the FC control-plane dependency associated with Cisco Nexus: VSAN assignment, trunk allowance, FSPF parameters, fcdomain uniqueness, NPIV support, NPV uplink behavior, DCBX/LLDP negotiation, and active zoning. The selected answer is the one that restores that dependency. Other choices may be valid operational commands in a different failure, but they do not address the precise point where fabric membership or access control is broken. Cisco guidance is to verify the active database and the operational database separately because a configured object is not necessarily active in the fabric. Post-remediation checks should include interface state, VSAN status, FLOGI/PLOGI, zoneset membership, and target visibility from the initiator.


NEW QUESTION # 16
Refer to the exhibit.

An engineer is troubleshooting why user1, user2, and user3 from group STORAGE- ADMINISTRATOR in Microsoft Active Directory cannot log in to the Cisco MDS SSH CLI. Which action resolves the issue?

Answer: C

Explanation:
Configure the role name to match the group name on Microsoft Active Directory is the correct fix under Cisco SAN troubleshooting practice. The issue described involves MDS, where the operating state depends on the correct combination of port type, VSAN, fabric service, and access-control database. MDS and Nexus SAN features do not infer missing policy: if the active zoneset, fabric-binding database, fcdomain, NPIV setting, or FCoE/LLDP negotiation is wrong, the link may come up physically but the initiator will not reach the target.
The selected answer corrects the missing or mismatched element. The remaining choices either act at the wrong layer, change a non-causal parameter, or provide only a temporary reset. After applying the fix, a proper Cisco validation path is to review show interface, show flogi database, show fcns database, show zoneset active, and any isolation or merge-failure logs. That confirms the storage network is operationally consistent.


NEW QUESTION # 17
A mission-critical server is connected to site A.
Connectivity to this server is lost from site B because the MAC route is missing in the OTV VDC of the Nexus 7000 in site B due to MAC aging. Which action allows the flooding of the unknown unicast MAC on the Nexus 7000 in the OTV VDC?

Answer: C


NEW QUESTION # 18
An engineer must configure Linux hosts that are deployed on Cisco UCS B-Series Servers to boot from SAN.
The SAN boot policy is configured in Cisco UCS Manager, and the boot order is verified to be set as expected However, the Linux hosts fail to boot. Which action resolves the issue?

Answer: C


NEW QUESTION # 19

Refer to the exhibit. An engineer implemented this fcdomain configuration on the MDS_1 and MDS_2 devices. However, after the engineer applies the configuration, this error is received. Which action resolves the issue?

Answer: C

Explanation:
Change the domain of MDS_1 to 20 is the correct fix under Cisco SAN troubleshooting practice. The issue described involves VSAN, where the operating state depends on the correct combination of port type, VSAN, fabric service, and access-control database. MDS and Nexus SAN features do not infer missing policy: if the active zoneset, fabric-binding database, fcdomain, NPIV setting, or FCoE/LLDP negotiation is wrong, the link may come up physically but the initiator will not reach the target. The selected answer corrects the missing or mismatched element. The remaining choices either act at the wrong layer, change a non-causal parameter, or provide only a temporary reset. After applying the fix, a proper Cisco validation path is to review show interface, show flogi database, show fcns database, show zoneset active, and any isolation or merge-failure logs. That confirms the storage network is operationally consistent.


NEW QUESTION # 20
......

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