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Cisco 300-615 Exam Syllabus Topics:

Section	Weight	Objectives
Automation and Programmability	15%	- Troubleshoot automation tools 1. Python, Ansible 2. API connectivity - Troubleshoot orchestration and integration 1. NX-API / REST API 2. UCS Director
Management and Operations	15%	- Monitor and troubleshoot performance 1. Traffic analysis 2. Logging and diagnostics - Troubleshoot management tools 1. DCNM 2. UCS Central
Storage Network	20%	- Troubleshoot Fibre Channel 1. VSAN and zoning 2. NPV / NPIV 3. FSPF routing - Troubleshoot storage services 1. Load balancing 2. VSAN merge - Troubleshoot FCoE and Unified Fabric 1. Virtual Fibre Channel interfaces 2. FIP and DCB
Compute Platforms	25%	- Troubleshoot hardware and interoperability 1. Component errors and diagnostics 2. Compatibility issues - Troubleshoot Cisco UCS B-Series 1. Server discovery and inventory 2. Firmware and package updates 3. Chassis and fabric interconnects 4. LAN / SAN connectivity - Troubleshoot Cisco UCS C-Series 1. VIC adapter operation 2. Local storage 3. CIMC management
Network	25%	- Troubleshoot routing protocols 1. MP-BGP 2. OSPFv2, OSPFv3 3. EIGRP - Troubleshoot ACI infrastructure 1. Contract and policy enforcement 2. APIC cluster 3. Endpoint learning 4. Fabric discovery - Troubleshoot network security 1. ACL, port security 2. CoPP - Troubleshoot overlay protocols 1. VXLAN EVPN 2. OTV - Troubleshoot switching protocols 1. RSTP+ 2. vPC 3. VLANs / PVLANs 4. LACP

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Cisco Troubleshooting Cisco Data Center Infrastructure Sample Questions (Q88-Q93):

NEW QUESTION # 88
Refer to the exhibit.

An engineer must save the running configuration to startup-config and generate a syslog message indicating that the configuration was modified, but an error was received. Which action resolves the issue?

A. Save the configuration using a user with network-admin role.
B. Change the syslog action number to 1.
C. Use the extended command copy running-config startup-config.
D. Add event-default as a second action of the EEM script.

Answer: D

NEW QUESTION # 89
Refer to the exhibit.

Which action must be taken to change the interface Eth1/3 on N9K-3 from suspended to up in the port channel?

A. Add vPC number under interface port-channel 2 for N9K-1 and N9K-2.
B. Change channel-group ID from 9 to 2 on N9K-3.
C. Add peer-keepalive source and destination under vPC domain 100 for N9K-1 and N9K-2.
D. Change channel-group 9 mode from active to passive on N9K-3.

Answer: B

Explanation:
Cisco troubleshooting logic supports Change channel-group ID from 9 to 2 on N9K-3 as the required fix. In this question the symptoms point to vPC, and the defect is best handled by correcting the exact control-plane or consistency condition. Nexus platforms can show interfaces or peers as configured while still refusing to forward traffic if a vPC Type-1 parameter, VLAN allowance, MTU, HSRP version, EVPN route, or routing attribute is wrong. Cisco methodology is to avoid broad resets unless the state machine is stuck; instead, correct the mismatched parameter and verify that the resulting operational state becomes stable. The other choices do not remove the root cause, or they modify a setting that is not used by the failing protocol exchange. After the change, the engineer should review the peer status, route or MAC table, and counters for drops or inconsistency messages. That sequence proves that the network fabric is fixed, not merely restarted.

NEW QUESTION # 90
Refer to the exhibit.

The EEM script is applied in the default VDC to collect the outputs during high CPU utilization on the Cisco Nexus 7000 Series Switch for all VDCs. Which configuration set must be added to the script to fix the issue?

A. switch(config-apple)# event snmp 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1 switch(config-apple)# action 0.2 cli enable switch(config-apple)# action 0.5 cli switchto vdc Core switch(config-apple)# action 0.8 cli switchto vdc Distribution
B. switch(config-apple)# event snmp 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1 switch(config-apple)# action 0.2 cli config t switch(config-apple)# action 0.5 cli switchto vdc Core switch(config-apple)# action 0.8 cli switchto vdc Distribution
C. switch(config-apple)# event snmp oid 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1 switch(config-apple)# action 0.2 cli enable switch(config-apple)# action 0.5 cli switchto vdc Core switch(config-apple)# action 0.8 cli switchto vdc Distribution
D. switch(config-apple)# event snmp oid 1.3.6.1.4.1.9.9.109.1.1.1.1.6.1 get-type exact entry-op ge entry-val 50 poll-interval 1 switch(config-apple)# action 0.2 cli config t switch(config-apple)# action 0.5 cli switchto vdc Core switch(config-apple)# action 0.8 cli switchto vdc Distribution

Answer: C

Explanation:
Explanation
Need exact snap shot to confirm the following.
The selection of is due to
* SNMP command has the key word "oid".
* The command "switchto vdc Core" show run in "enable" mode, not "config t" mode.

NEW QUESTION # 91
Refer to the exhibit.

The FCoE traffic fails to traverse the vfc2 interface. The VSAN 102 is configured for vfc2. Which action resolves the issue?

A. Activate DCBX on the interface e101/1/2
B. Enable LLDP on the interface vfc2
C. Activate DCBX on the N9K switch
D. Enable LLDP on the neighbor switch

Answer: D

Explanation:
Enable LLDP on the neighbor switch is the correct fix under Cisco SAN troubleshooting practice. The issue described involves VSAN, FCoE, DCBX, LLDP, 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 # 92

Refer to the exhibit. A SAN engineer connected two Cisco MDS 9000 Series Switches using the fc1/1 interface. The interface is a trunk for VSANs 10 and 11. After the port was connected and configured, a syslog message was displayed stating that VSAN 11 is isolated because of a zone merge failure, but VSAN 10 was working as expected. Because VSAN 10 is used for the production network, its traffic must be uninterrupted by maintenance activities. Additionally, the SAN fabric is expected to grow in the future, so the available TCAM space on the switches must be saved. Which command set resolves the issue and preserves the available TCAM space?

A. MDS-1# zoneset import interface fc1/1 vsan 11
MDS-1(config)# zoneset distribute full vsan 11
MDS-1(config)# int fc1/1 ; shutdown ; no shutdown
B. MDS-2# zoneset export interface fc1/1 vsan 11
MDS-2(config)# int fc1/1 ; no switchport trunk allowed vsan 11
MDS-2(config-if)# switchport trunk allowed vsan add 11
C. MDS-2(config)# zone smart-zoning enable vsan 11
MDS-2# zoneset export interface fc1/1 vsan 11
B,
MDS-1(config)# zone smart-zoning enable vsan 11
MDS-1# zoneset import interface fc1/1 vsan 11

Answer: B

Explanation:
B 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 MDS, VSAN:
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 # 93
......

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