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Cisco 300-615 Exam Syllabus Topics:

Section	Weight	Objectives
Topic 1: Management and Operations	15%	- Monitor and troubleshoot performance 1. Traffic analysis 2. Logging and diagnostics - Troubleshoot management tools 1. UCS Central 2. DCNM
Topic 2: Automation and Programmability	15%	- Troubleshoot orchestration and integration 1. NX-API / REST API 2. UCS Director - Troubleshoot automation tools 1. Python, Ansible 2. API connectivity
Topic 3: Compute Platforms	25%	- Troubleshoot hardware and interoperability 1. Component errors and diagnostics 2. Compatibility issues - Troubleshoot Cisco UCS B-Series 1. Chassis and fabric interconnects 2. Server discovery and inventory 3. LAN / SAN connectivity 4. Firmware and package updates - Troubleshoot Cisco UCS C-Series 1. VIC adapter operation 2. CIMC management 3. Local storage
Topic 4: Network	25%	- Troubleshoot routing protocols 1. OSPFv2, OSPFv3 2. EIGRP 3. MP-BGP - Troubleshoot overlay protocols 1. VXLAN EVPN 2. OTV - Troubleshoot switching protocols 1. RSTP+ 2. vPC 3. VLANs / PVLANs 4. LACP - Troubleshoot network security 1. CoPP 2. ACL, port security - Troubleshoot ACI infrastructure 1. APIC cluster 2. Fabric discovery 3. Endpoint learning 4. Contract and policy enforcement
Topic 5: Storage Network	20%	- Troubleshoot FCoE and Unified Fabric 1. FIP and DCB 2. Virtual Fibre Channel interfaces - Troubleshoot storage services 1. VSAN merge 2. Load balancing - Troubleshoot Fibre Channel 1. FSPF routing 2. NPV / NPIV 3. VSAN and zoning

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Cisco Troubleshooting Cisco Data Center Infrastructure Sample Questions (Q37-Q42):

NEW QUESTION # 37

Refer to the exhibit. A VXLAN fabric is configured on Cisco Nexus 9000 Series Switches but the traffic is dropped on VLAN 88 between VTEP1 and VTEP2. Which configuration resolves the issue?

A. Add VLAN 88 using switchport trunk allowed VLAN add 88 on VTEP1.
B. Enable VLAN 88 using no shutdown on VTEP2.
C. Enable VLAN 88 using no shutdown on VTEP1.
D. Add VLAN 88 using switchport trunk allowed VLAN add 88 on VTEP2.

Answer: A

Explanation:
The correct remediation is Add VLAN 88 using switchport trunk allowed VLAN add 88 on VTEP1. In Cisco data center troubleshooting, the first priority is to isolate whether the failure is caused by the underlay, overlay control plane, first-hop gateway behavior, or a consistency parameter. This item is centered on VXLAN, Cisco Nexus, Nexus 9000, Cisco Nexus 9000, so the selected action targets the condition that prevents normal forwarding rather than masking the symptom. Cisco Nexus and ACI guidance treats vPC, VXLAN EVPN, OTV, OSPF, BGP, HSRP, and LACP issues as state-dependent technologies: a neighbor, peer, VLAN, VNI, multicast group, timer, MTU, or policy mismatch can leave the protocol partially operational while traffic is still dropped. The rejected alternatives either change unrelated attributes, introduce a new inconsistency, or affect only a secondary behavior. The operational check after applying the fix should be to confirm adjacency or peer state, validate the relevant route/MAC/endpoint table, and test traffic in the affected VLAN or VRF.
This aligns with Cisco DCIT network troubleshooting methodology for isolating control-plane state before changing data-plane policy.

NEW QUESTION # 38
Refer to the exhibit. A blade that is connected to FI-B fails to boot from a SAN LUN. The boot policy is configured to boot by using vHBA1 as the SAN Primary.
Which set of actions resolves the issue?

A. Apply VMware Adapter Policy on vHBA1.
Change vHBA1 to VSAN 20 in Service Profile.
B. Set VSAN to 20 in vHBA_SAN_B Template.
Configure ESX01_B zone to VSAN 20.
C. Change vHBA1 to VSAN 20 in Service Profile.
Apply VMware Adapter Policy on vHBA1.
D. Set ESX01_B zone to VSAN 20.
Create a new vHBA and assign VSAN 20.

Answer: B

NEW QUESTION # 39
Refer to the exhibit. One of the vPC VTEPs fails to route VXLAN traffic to vPC connected hosts.
When the issue was being diagnosed, it was discovered that the packets that were expected to be forwarded to the MAC address on the SWITCH-VTEP-1 are instead forwarded to the MAC address on SWITCH-VTEP-2 and then dropped. Which action resolves the issue?

A. Configure peer-gateway under the VPC domain on both peers
B. Configure a distributed anycast gateway on both peers
C. Configure ip arp synchronize under the VPC domain on both peers
D. Configure a different secondary IP address for one of the vPC peers

Answer: A

Explanation:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/vpc/n5k-vpc-cr/n5k-vpc_cmds_show.html

NEW QUESTION # 40
A network administrator attempts to install an application in the Cisco NX-OS Guest shell and receives an error that there is not enough space on the disk. Which command must the administrator run to increase the disk space available in the Guest shell?

A. guestshell resize rootfs [size-in-MB]
B. guestshell resize2fs rootfs [size-in-MB]
C. guestshell pvextend rootfs [size-in-MB]
D. guestshell growdisk rootfs [size-in-MB]

Answer: A

Explanation:
Section: Automation

NEW QUESTION # 41
Refer to the exhibit.

When an engineer inserts 8-Gb FC SFP port 15 on a Cisco UCS Fabric Interconnect, the port fails. What is a possible cause of the issue?

A. Port 15 is configured for 4-Gb FC.
B. Port 15 is configured as an Ethernet port.
C. Port 15 is missing a license.
D. The polarity of the fiber cable is reversed.

Answer: B

NEW QUESTION # 42
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