Troubleshooting Cisco Data Center Infrastructure (300-615 DCIT) v1.1
Last Update May 30, 2026
Total Questions : 221
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A host connected to port Eth0/1 on the Cisco Nexus Series Switch received this error
*Mar 6 12 57 42 882 %PM-4-ERR DISABLE psecure-violation error detected on Eth0/1, putting Eth0/1 in err-disable state-Mar 6 12 57 42 882 %PORT_SECURITY-2-PSECURE_VIOLATION Security violation occurred, caused by MAC address a526 cc69 3503 on port EthernetO ' 1.
The server administrator concluded that the issue was caused by plugging the host in the wrong switch port and fixed the problem Which action must be taken to recover the port from the error?
Refer to the exhibit.
The EEM script overrides all events in the system policy. What should be added to the script to resolve the issue?
Refer to the exhibit.
The connection between a Cisco Nexus 5548UP switch and a Cisco MDS switch fails to initialize. What is the cause of the issue?
Refer to the exhibit.
An upgrade operation fails with an error displayed. Which action resolve the issue?
Refer to the exhibit.
vPC between switch1 and switch2 is not working. Which two actions are needed to fix the problem? (Choose two.)
Refer to the exhibit.
The initiator that has FC ID 0x970102 fails to communicate with the target that has FC ID 0x970200. What action resolves the issue?
Refer to the exhibit.
A network engineer traces the packet flow from the Veth991 of a blade server toward the core switch. The switch reports performance issues. What is the role of the interface Eth1/7?
Refer to the exhibit.
A network administrator must delete a feature group from a Cisco Nexus 5000 Series Switch. Which action resolves the issue?
Refer to the exhibit.
Partial configuration from N9K-1 and N9K-2 is included. The client has two WANs connected.
WAN-1 is for normal business-day activities.
WAN-2 is for server backups during nonworking hours of 1:00 a.m. to 5:00 a.m. daily.
The client says that at the scheduled time for backup, the data center server failed to use the WAN-2 link to back up the servers to the cloud backup system. What is the solution to this problem?
An engineer must place a Cisco UCS B-Series Server in a single server pool in Cisco UCS Manager. The engineer creates a qualification policy, but the server is still seen in multiple pools. Which two actions resolve the issue? (Choose two.)
Refer to the exhibit.
The EEM applet generates an SNMP string every time a user executes the show ip route command After the applet was deployed, other engineers reported that they can no longer use the show ip route command to view the routing information. Which action resolves the issue?
Cisco Unified Computing System Manager raises a critical error message that indicates that the system has overlapping Ethernet and FCoE VLANs. All of the Ethernet traffic on the overlapping VLANs drops. Which action resolves the issue?
Refer to the exhibit. An engineer connected Switch_2 to Switch_1, but noticed that the Switch_2 Fibre Channel port that is destined to Switch_1 is down and isolated. Which two commands resolve this issue? (Choose two.)
Refer to the exhibit. The expected routes are not being leaked as expected from VRF RED to VRF BLUE. Which action resolves the issue?
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?
Refer to the exhibit.
After an unexpected reload of the Cisco Nexus 9000 Series Switch, the network administrator noticed that one of the Software Maintenance Upgrades (SMU) images is inactive. The engineer must ensure that the package remains active after the switch is reloaded in the future. Which action accomplishes this goal?
An engineer must upgrade all components in a Cisco UCS domain to the same package version, but the upgrade process fails to complete. Which set of Auto Install actions resolves the problem?
When the engineer runs the command, this error is received:
opsengineer@wkst1:/home/auto/bash_scripts$ curl –s –b cookie_file_39422186.txt –X GET –k 192.15.132.101/api/node/class/Tenant.json {“totalCount”:”1”,”imdata”:[{“error”:{“attributes”:{“code”:”400”,”text”:”Request failed, (output omitted)”}}}]}
Which action resolves the issue?
Refer to the exhibit.
A network engineer configures OSPF protocol between two Cisco Nexus 7000 Series Switches. The OSPF neighbors fail to synchronize OSPF databases. Which action resolves the issue?
Refer to the exhibit.
A recent configuration change removes the HSRP adjacency between the SW-1 and SW-2 Cisco Nexus switches. The change causes the servers on this subnet to lose Internet access. Which action restores the connectivity of all servers on VLAN 13?
A Cisco UCS C125 M5 server is integrated with Cisco UCS Manager using direct connect mode. The adapter for the server is reported as " inoperable " inside Cisco UCS Manager. Which action resolves the issue?
Refer to the exhibit A network administrator must provide Bash shell access to the support team for all of the Cisco Nexus 9000 Series Switches. The newly created user that is named " bashusers " fails to access the Bash shell. Which action resolves the issue?
A system administrator connects a Cisco Nexus 2248PQ FEX to a fabric interconnect to expand the ports that
are available for connecting Cisco UCS C-Series Rack Servers. In Cisco UCS Manager, the administrator does
not see the servers connected to this FEX. Which action should be taken to resolve the issue?
An engineer is troubleshooting a " Discovery Failed " error on a Cisco UCS C-Series server. The server is configured to be managed by the fabric interconnect directly The engineer discovered that only the data connection is established with the fabric interconnect Which port must be connected from the server to the fabric interconnect to resolve the issue?
Refer to the exhibit . customer reports that all Intra - EPG isolation stopped working within a bare - metal tenant . Postman is running on a machine to get information from the APIC in case of orchestration failure . Which action resolves the issue ? .
Refer to the exhibit.
A Cisco UCS Fabric Interconnect fails during the upgrade process. The working images of the fabric interconnect are stored on the bootflash. Which set of commands recovers the fabric interconnect?
Refer to the exhibit.
An OSPF adjacency between Router-A and Router-B cannot reach the FULL state. Which action resolves the issue?
Refer to the exhibit. A network engineer is configuring the FCoE N_Port virtualization storage area network. After the initial implementation, server 11 fails to connect to the disk array. Which action resolves the issue?
Refer to the exhibit. A network engineer configures an authentication domain through an LDAP provider on the Cisco UCS Manager for users from different companies to log into their respective organizations created in the UCS Manager. The engineer tests the configuration and notices that any user has login access to any organization in the UCS Manager. Which action should be taken to resolve the issue?
Refer to the exhibit. An engineer is troubleshooting an issue with the Cisco ACI fabric discovery. During the Cisco APIC initialization, the infra VLAN was set to 4, and the TEP pool was configured to use subnet 11.0.0.0/16. Which action resolves the issue?
An engineer discovers that an NPV/NPIV uplink experiences a heavy load and plans to add more uplinks. Which statement about what occurs when the new uplinks are added is true?
The external routes fail to propagate to leaf switches in Cisco ACI fabric Which two actions resolve the issue? (Choose two.)
A fabric interconnect fails to start and the console displays the loader prompt. Which two actions resolve the issue? (Choose two.)
Refer to the exhibit The EEM applet must generate a syslog message whena BGP adjacency flaps. This message must be displayed to the console of the switch. However, when a BGP adjacency failure is simulated, no syslog message is displayed. Which action resolves the issue?
Refer to the exhibit. A network engineer must use BGP to route IPv4 and IPv6 routes between R1 and R2. The IPv4 addresses are exchanged as expected between the routers through BGP. The routers have reached an Established BGP state. However, the IPv6 routes from R2 fail to show in the routing table of R1. Which action resolves the issue?
Refer to the exhibit.
The vPC between switch1 and switch2 does not work. Which two actions resolve the problem? (Choose two.)
Refer to the exhibit.
An engineer deploys SAN environment with two interconnected Cisco MDS 9000 Series switches. When the engineer attempts a zone merge, it fails with the error that is presented in the exhibit. Which action resolves the issue?
Drag and drop the actions from the left onto the faults that they resolve on the right. Not all options are used.
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?
Refer to the exhibit. An engineer connected a Cisco UCS-C Series server to port Ethernet 1/25 on the Cisco Nexus Series Switch. After the cable is connected, the server does not have connectivity to the network and the port light indicator shows as disabled. Which command set resolves the issue?
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?
During a boot process of a Cisco UCS C-Series Rack Server, an engineer receives a " No Signal " message from the vKVM and physical connection. Which set of steps resolves the issue?
Refer to the exhibit.
A client configures an upgrade of its Cisco Nexus switches that are connected to the Cisco ACI controller, such that the switches are upgraded one at a time. After the upgrade is run, it is discovered that both Cisco Nexus switches were upgraded simultaneously. Which two actions ensure that the switches upgrade one at a time? (Choose two.)
A network engineer notices a sudden interruption to the HSRP adjacency between the switches. The packet loss is reported on the servers for which the default gateway is set as the virtual IP of the HSRP. AII servers on
the VLAN can exchange ping messages. Which configuration set must be applied on the HSRP peers to resolve the adjacency issue?
Refer to the exhibit.
An engineer is performing a health check on ACI. Which statement about interface Ethernet 1/11 is true?
Refer to the exhibit.
An engineer monitors a Cisco UCS server logs and discovers a blade discovery issue. Which procedure resolves the issue?
Refer to the exhibit.
The cURL command fails to complete. Which action resolves the problem?
Refer to the exhibit. To avoid service disruption, an engineer must move the_ server from LEAF_ 1 to LEAF_ _2. After running the test, the engineer noticed that L EAF_ 2 failed to forward network traffic into the VXLAN fabric. The BGP, interface NVE, and VNI were confirmed to be configured as expected. Which two actions must be taken on L EAF_ 2 to resolve the issue? (Choose two.)
Refer to the exhibit The Cisco UCS data center network is deployed as follows:
•The port to the CIFS is configured as an appliance
•VLAN 2025 is new and has been deployed on the VLAN appliances.
•The campus LAN can reach the resources on VLAN 2026, but fails to reach the CIFS storage on the newly added VLAN
•The appliance port remains in a " down " state, but the uplink port is in the " up " state to the campus LAN
Which action resolves the issue?
Refer to the exhibit. A network engineer creates an EEM script to trigger an SNMP notification when a user enters configuration mode, but the trap is not received when the condition is met. Which action resolves the issue?
An engineer must replace a failed memory on a Cisco UCS B-Series Blade Server. After the replacement was done, the server has a “resolve slot” warning. Which server maintenance action resolves the issue?
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?
Refer to the exhibit.
During implementation of a Cisco UCS C-Series Server, an engineer receives the status that is shown in the exhibit. Which action resolves the issue.
A Cisco ACI fabric consists of three tenants User 1 must have permission to manage only the PROD tenant. These configurations have already been completed •The security domain IbNANI has been created.
•User1 has been created with the " write " privilege level
•User1 has access to all leaf nodes
The configuration was deployed, but User1 still has access to all the other tenants. Which action resolves the issue?
Refer to the exhibit.
An attempt to bind the Ethernet interface to vFC fails. Which action resolves the issue?
An IOM fails during a firmware upgrade and is unresponsive. Which action recovers the module?
Refer to the exhibits.
An engineer troubleshoots switch N5K1, which fails to receive traffic from the file server Which set of actions resolves this problem?
An engineer is implementing, Fibre Channel (FC) switching on a Cisco 9000 Series Switch, but the procedure fails with the message " FC traffic is not being routed through the fabric. " . Which action resolves the issue?
Refer to the exhibit. The data centers are connected using the E-VPN Multi Site solution. However VLAN 10 tails to extend to the secondary site with the message shown. Which action extends VLAN 10 to the secondary site?
Refer to the exhibit.
A Cisco UCS B-Series Blade Server is configured to boot from a shared storage via an iSCSI network. When a service profile is associated with the blade, the blade fails to attach the LUN. Which action resolves the issue?
An engineer troubleshoots a VXLAN EVPN data center. The applications in the data center fail to reach the DNS server that is located at IP 10.10.10.10. The engineer examines the BGP EVPN routing table and notes that the IP prefix route covers the DNS server is missing. Which action resolve the issue?
You have an ACI environment with three APICs, two spine switches, and four-leaf switches. You wipe and reboot all APICs first then leaf and spine switches one-by-one and successfully go through the Initial Setup dialogue on the APIC 1 CIMC KVM console. When you log in to the APIC1 WebGUI, you notice that you do not see any directly connected leaf switches being discovered under Fabric > Inventory > Fabric Membership. What is the cause of the issue?
Refer to the exhibit.
All servers that must boot from the network fail to receive their DHCP addresses and download the configuration. After close examination, an engineer discovers that all interfaces connected to the affected servers are down with the message " No LACP PDU. " Which command set resolves the issue?
Refer to the exhibit.
A network engineer is implementing an RBAC on the Cisco Nexus 9000 Series Switch. The role called Host A fails to clear LACP counters on the port channel 20. Which configuration resolves the issue?
Refer to the exhibit.
An engineer performs a POST operation using REST API on the Cisco Nexus switch to retrieve a managed object, but the operation fails. Which configuration resolves the issue?
Refer to the exhibit.
An engineer uses a REST API to map the interface selector with ports 1/1 to 1/20 to an interface profile. The script fails with a 400 response status code. Which action resolves the problem?
TESTED 30 May 2026
