300-615 Mock Test Free – 50 Realistic Questions to Prepare with Confidence.
Getting ready for your 300-615 certification exam? Start your preparation the smart way with our 300-615 Mock Test Free – a carefully crafted set of 50 realistic, exam-style questions to help you practice effectively and boost your confidence.
Using a mock test free for 300-615 exam is one of the best ways to:
- Familiarize yourself with the actual exam format and question style
- Identify areas where you need more review
- Strengthen your time management and test-taking strategy
Below, you will find 50 free questions from our 300-615 Mock Test Free resource. These questions are structured to reflect the real exam’s difficulty and content areas, helping you assess your readiness accurately.
An engineer upgrades Cisco UCS firmware from release 3.1(2) to release 3.1(3) using AutoInstall. Both fabric interconnects go offline during the software upgrade installation and issue multiple FSM retries in the DeployPollActivate stage. Which set of actions resolves the issue?
A. Clear the startup version of the default infrastructure and server pack.Remove the service pack from the subordinate node.Upgrade with the Force attribute through AutoInstall.
B. Enable the management interface monitoring policy on the fabric interconnects.Initiate a configuration backup on both fabric interconnects.Commit the pending fabric interconnect reboot activity.
C. Fix the rights to 666 with the debug plugin on the primary fabric interconnect.Save the current configuration on the running fabric interconnect.Continue the upgrade on both fabric interconnects.
D. Acknowledge the error and reboot the primary fabric interconnect.Clear the default firmware version and upload a new one.Restart the upgrade process manually.
A request to activate the port security database is rejected. Which action investigates the cause of the issue?
A. Enable the auto-learning feature.
B. Use the force option to identify rejected devices.
C. Find conflicting entries between the active and configuration databases.
D. Verify that devices are fully attached to the active database.
![]()
![]()
Refer to the exhibit. An engineer is troubleshooting a VSAN membership issue on switch N9K_1 where vfc 13 is associated to VSAN 1 instead of VSAN 10. The Cisco UCS, N9K_2, and QoS configurations have been verified. Which additional configuration on N9K_1 must be implemented to resolve the issue?
A. interface vfc 13bind fcoe vsan 10
B. vlan 10bind fcoe vsan 10
C. vsan databasevsan 10 interface vfc 13
D. vsan 10 databasebind interface vfc 13
An engineer attempts to register Cisco UCS Manager to Cisco UCS Central, but the registration fails. The engineer can ping Cisco UCS Central from UCS Manager. Which two actions must the engineer attempt to resolve the problem? (Choose two.)
A. Synchronize the date and time to NTP for Cisco UCS Central and the Cisco UCS domains.
B. Apply the UCS Central license to UCS Central.
C. Place Cisco UCS Manager on the same subnet as Cisco UCS Central.
D. Allow port 443 between Cisco UCS Manager and Cisco UCS Central.
E. Allow port 9443 between Cisco UCS Manager and Cisco UCS Central.
A functioning trunk port Ethernet1/48 exists between two identical Cisco Nexus 5000 Series Switches. The interfaces on the switches support the MACsec feature and are configured identically. The trunk port stops functioning. Which action should be taken to resolve the issue?
A. Disable and then enable the port
B. Enable the license for the trunk ports to support MACsec
C. Lower the MTU value to less than 9216 bytes
D. Configure the PMK with a length of 2048 bytes
Refer to the exhibits. A switch is downgraded to an earlier release because of a problem with the current release. After the switch is downgraded, it cannot forward traffic. Which action resolves the issue?
A. Enable ISSD after the downgrade is complete.
B. Roll back to the original image.
C. Reload the switch.
D. Shut and no shut the interfaces to the FEX.
DRAG DROP - An engineer troubleshoots issues in Cisco UCS Director. Drag and drop the possible causes of the issues from the left onto the corresponding issues on the right. Select and Place:
Refer to the exhibit. An engineer is configuring boot from iSCSI on a Cisco UCS B-Series Blade Server, but the LUN fails to mount. Which action resolves the issue?
A. Statically configure the target information in the Boot Policy.
B. Configure an MTU size of 9000 on the appliance port.
C. Configure a QoS policy on the vNIC.
D. Set a connection timeout value of 250 in the iSCSI Adapter Policy.
![]()
Refer to the exhibits. The server traffic fails to reach the storage array. Which action resolves the issue?
A. Change the VLAN ID and VSAN ID at both ends.
B. Change port speed to auto mode.
C. Remove and add new SFP on both ends.
D. Reboot and configure the M5K switches.
When the engineer runs the command, this error is received: opsengineer@wkst1:/home/auto/bash_scripts$ curl –s –b cookie_file_39916907.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?
A. Regenerate the API token object
B. Modify the URI to 192.15.132.101/api/node/class/fvTenant.json
C. Add the –c class Tenant flag to the cURL command
D. Change the HTTP verb to POST
Refer to the exhibit. The network administrator must use a scheduler to perform configuration backups every night. After completing the configuration, the administrator discovers that configuration backups occur at 05:15 in the morning instead of at 02:00. Which action resolves the issue?
A. Activate the scheduler manually at 02:00 local time.
B. Create a periodic scheduler that runs every 24 hours.
C. Implement the switch clock to match the local time.
D. Configure the scheduler within the CONFIG_BACKUP job.
Refer to the exhibit. An engineer deploys a Cisco MDS 9000 Series Switch in a SAN. N9K-1 fails to learn the target WWNs and the interface fc1/4 fails to operate. The engineer collected this information about the environment: • MDS-A is configured as an NPV switch. • The WWNs of the storage array are present in the FLOGI database of MDS-A. • Interfaces fc1/3 and fc1/4 on MDS-A and N9K-1 are enabled. Which set of actions resolves the issue?
A. Set 0x000001 FCID on N9K-1 and reset interface fc1/4.
B. On N9K-1, define fc1/4 as a trunk port and F port mode.
C. Configure F port on MDS-A fc1/3 and N9K-1 fc1/4.
D. Assign fc1/3 as NP port on MDS-A and F port on fc1/4 N9K-1.
Refer to the exhibit. The cURL command fails to complete. Which action resolves the problem?
A. Remove “.json” from the URL.
B. Include -p “password” in the command.
C. Change “.json” to “.xml” at the end of the URL.
D. Add -H “X-Auth-Token” to the command.
Refer to the exhibit. A network engineer finds one of the fabric interconnects offline when connecting L1 and L2 ports on both fabric interconnects. Which action resolves the issue?
A. 1. Connect to Fabric Interconnect B.2. Verify the cluster status and HA election.3. Validate Fabric Interconnect B hardware issues.
B. 1. Connect to Fabric Interconnect A.2. Verify the cluster status and HA election.3. Validate Fabric Interconnect A hardware issues.
C. 1. Connect Fabric Interconnect B and change the role to primary.2. Reboot Fabric Interconnect B.3. Add the Fabric Interconnect A as subordinate fabric to the cluster.
D. 1. Connect Fabric Interconnect B and execute “Erase configuration”.2. Reboot Fabric Interconnect B.3. Add the subordinate Fabric Interconnect to the cluster.
Refer to the exhibit. When an engineer inserts 8-Gb Fibre Channel SFP port 15 on a Cisco UCS Fabric Interconnect, the port fails. What is causing this issue?
A. Port 15 is configured as an Ethernet port.
B. Port 15 is configured for 4-Gb Fibre Channel.
C. Port 15 is missing a license.
D. The polarity of the fiber cable is reversed.
Refer to the exhibit. The HSRP configuration in the exhibit fails to function. Which action resolves this issue?
A. Enable IP redirects.
B. Set the MTU to 1500 bytes.
C. Configure HSRP version 2.
D. Configure the same HSRP group on both devices.
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?
A. loader> dirloader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.binswitch(boot)# init systemswitch(boot)# reloadswitch(boot)# load ucs-6300-k9-system.5.0.2.N1.3.02d56.bin
B. loader> dirloader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.binswitch(boot)# copy ucs-manager-k9.1.4.1k.bin nuova-sim-mgmt-nsg.0.1.001.bin switch(boot)# boot ucs-6300-k9-system.5.0.2.N1.3.02d56.bin
C. loader> dirloader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.binswitch(boot)# init systemswitch(boot)# reloadswitch(boot)# boot ucs-6300-k9-system.5.0.2.N1.3.02d56.bin
D. loader> dirloader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.binswitch(boot)# copy ucs-manager-k9.1.4.1k.bin nuova-sim-mgmt-nsg.0.1.001.bin switch(boot)# load ucs-6300-k9-system.5.0.2.N1.3.02d56.bin
Refer to the exhibit. 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?
A. Set the FSPF interface link cost to be less than 30,000 in the IVR path.
B. Configure the VSAN ID 10 on the link connected to fc1/12.
C. Configure the FSPF for VSAN 10 on the NX9k-01-LAB switch.
D. Set the FSPF hello interval on fc1/12 interface the NX9k-01-LAB switch.
Refer to the exhibit. A network engineer must add a Cisco Nexus 5000 Series Switch to a Cisco DCNM. However, the device discovery status shows as unreachable. The engineer verifies these parameters: • compatibility matrix between the DCNM server and the Nexus switch • credentials to the Nexus switch • IP connectivity and reachability between DCNM and the Nexus switch • enablement of SSH on the Nexus switch Which procedure resolves the issue?
A. Restart the Advanced Message Queuing Protocol service in the DCNM appliance.
B. Increase the heap size of the Elasticsearch on the DCNM server.
C. Globally enable Cisco Discovery Protocol on the switch and on the DCNM interface.
D. Rediscover the Nexus switch from the DCNM server.
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 that covers the DNS server is missing. Which action resolves the issue?
A. Set the IP prefix route to represent [5]:[0]:[0]:[32]:[10.10.10.10]/224 in the routing table.
B. Set the IP prefix route to represent [2]:[0]:[0]:[48]:[0050.569f.1285]:[0]:[0.0.0.0]/216 in the routing table.
C. Configure an IP ARP entry to represent [2]:[0]:[0]:[48]:[0050.569f.1285]:[32]:[10.10.10.10]/272 in the routing table.
D. Configure an IP ARP entry to represent [4]:[0300.0000.00fc.bd00.0309]:[32]:[10.10.10.10]/136 in the routing table.
![]()
Refer to the exhibit. An engineer fails to install Perl in the guest shell on a Cisco Nexus 9000 Series Switch. Which two actions must be taken in the guest shell to resolve the issue? (Choose two.)
A. Add the DNS server and suffix.
B. Add a default gateway and nameserver.
C. Install the unbound resolver package using curl.
D. Configure domain-name and nameserver under the management VRF.
E. Export the http_proxy and https_proxy environment variables.
An engineer discovers that an NPV/NPIV uplink experiences a heavy load and plans to add more uplinks. What occurs when the new uplinks are added to the uplink?
A. Only new connections automatically use the new uplinks.
B. Paths must be defined before new connections use the new uplinks.
C. All connections must be reset before the new uplinks are used.
D. New and existing connections automatically use the new uplinks.
Refer to the exhibit. The vPC between switch1 and switch2 does not work. Which two actions resolve the problem? (Choose two.)
A. Match the vPC domain ID between the two devices.
B. Configure the IP address on the interface.
C. Activate VLANs on the vPC.
D. Correct the configuration of the vPC peer link and the vPC peer keepalive.
E. Configure one of the switches as primary for the vPC.
Which control plane is used according to this output?
A. flood-and-learn MAC address learning
B. BGP EVPN
C. flood-and-learn IP address learning
D. VXLAN OAM
A server fails to boot from the operating system after a RAID1 cluster migration. The RAID remains in an inactive state during and after a service profile association. Which action resolves the issue?
A. Configure the SAN boot target in the service profile.
B. Configure the SAN boot target to any configuration mode.
C. Use a predefined local disk configuration policy.
D. Remove the local disk configuration policy.
Refer to the exhibit. A newly deployed Cisco APIC1 fails to discover a Cisco Nexus Series Switch. Which configuration resolves the issue?
A. APIC1# acidiag restart mgmt -APIC1# acidiag reboot
B. APIC1# acidiag touch clean -APIC1# acidiag touch setup -APIC1# acidiag reboot
C. Leaf101#(config)# no boot nxos -Leaf101# copy running-config startup-configLeaf101# reload
D. Leaf101# setup-clean-config.sh -Leaf101# reload
Refer to the exhibit. An engineer installs and performs the preliminary setup of the new SAN switch and connects the fc1/13 interface to the existing SAN fabric. The engineer notices that the ISL between the switch and the fabric is isolated for a VSAN, and the switch is denied entry into the fabric. Which set of commands permits the switch into the fabric for the VSAN?
A. 1. Add a 20:11:33:11:00:2a:4a:66 sWWN entry into the fabric binding configuration database.2. Copy the configure database to the active database and reactivate fabric binding for VSAN 2.3. Use the no shutdown command in the fc1/13 interface mode.4. Restart name server in VSAN 2.
B. 1. Copy the active fabric binding database for VSAN 2 to the configure database.2. Add a 20:11:33:11:00:2a:4a:66 sWWN entry into the fabric binding configuration database.3. Copy the configure database to the active database and reactivate fabric binding for VSAN 2.4. Use the no shutdown command in the fc1/13 interface mode.
C. 1. Add a 20:11:33:11:00:2a:4a:66 sWWN entry into the fabric binding configuration database.2. Copy the configure database to the active database and reactivate fabric binding for VSAN 2.3. Use the no shutdown command in the fc1/13 interface mode.4. Restart fabric controller in VSAN 2.
D. 1. Copy the active fabric binding database for VSAN 2 to the configure database.2. Add a 20:11:33:11:00:2a:4a:66 sWWN entry into the fabric binding configuration database.3. Restart fabric controller and directory server in VSAN 2.4. Use the no shutdown command for VSAN 2.
An engineer is recovering a fabric interconnect from a failed upgrade. The engineer booted the fabric interconnect to the switch(boot)# prompt and copied all the required images. Which image must be linked to nuova-sim-mgmt-nsg.0.1.0.43404505131.bin to make the management image compliant with the Cisco UCS Manager?
A. Kickstart
B. UCS Manager
C. System
D. Cisco IMC
![]()
Refer to the exhibit. The OTV adjacency fails to come up. Which set of commands on each switch resolves the issue?
A. otv extend-vlan 5otv site-vlan 5
B. otv extend-vlan 5no otv site-vlan 5-10,11
C. otv extend-vlan 5no otv extend-vlan 11
D. no otv site-vlan 5,10-11otv site-vlan 5
Refer to the exhibit. The scheduled Test job fails to be reconfigured with extra configuration on Cisco 9000 Series Switch. Which action resolves the issue?
A. Stop the job before reconfiguration.
B. Create the scheduler configuration again.
C. Use the edit command to modify the job.
D. Edit the job using the change command.
Refer to the exhibit. A customer network uses OSPFv2 and MP-BGP protocols. A network administrator installs a new Cisco Nexus Switch in the data center but experiences a BGP RIB failure. Which action solves the issue?
A. Change the administrative distance of OSPF to 220
B. Configure the route as a BGP backdoor
C. Use a filter list for OSPF to filter both routes
D. Implement next-hop-self
An engineer removes a VMM domain from an endpoint group called "EPG-1", but the distributed port group fails to be deleted. Which action resolves the issue?
A. Manually remove the port group.
B. Migrate all virtual machines in the EPG-1 to different hypervisors.
C. Remove the remaining EPGs from the VMM domain.
D. Migrate all virtual machines in the EPG-1 to different port groups.
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 a distributed anycast gateway on both peers
B. Configure ip arp synchronize under the VPC domain on both peers
C. Configure peer-gateway under the VPC domain on both peers
D. Configure a different secondary IP address for one of the vPC peers
The external routes fail to propagate to leaf switches in Cisco ACI fabric. Which two actions resolve the issue? (Choose two.)
A. Enable the VTEP pool in the fabric.
B. Assign an MP-BGP AS number to the fabric.
C. Specify the spine nodes as route reflectors.
D. Associate the correct contract to the L3Out.
E. Configure an MP-BGP area.
Refer to the exhibit. The expected routes are not being leaked as expected from VRF RED to VRF BLUE. Which action resolves the issue?
A. Include the “le 32” knob under the RED_TO_BLUE_ACL prefix list.
B. Set the community to 65000:65000 under the route map
C. Configure VRF BLUE under the BGP configuration
D. Change the route targets under the VRFs
An upgrade of protected RPMs from the Bash shell does not take effect. Which action resolves this issue?
A. Restart the Bash shell.
B. Reload the switch.
C. Upgrade the RPMs from the Guest shell.
D. Disable and re enable the Bash feature.
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. Insert an SD card into SLOT-2.
B. Reconfigure the Drive Type from “Removable” to “Non-Removable”.
C. Set SLOT-1 Sync Mode to “Auto”.
D. Configure the RAID that is associated with the card.
![]()
Refer to the exhibit. The connectivity fails between endpoints from different EPGs that use the same bridge domain. All endpoints are on the same subnet configured under the shared bridge domain. Which action resolves the issue?
A. Enable unicast routing on the bridge domain.
B. Configure a contract between the EPGs.
C. Set the preferred group option on the VRF.
D. Attach the same bridge domain to the EPGs.
Refer to the exhibit. A network administrator must delete a feature group from a Cisco Nexus 5000 Series Switch. Which action resolves the issue?
A. Detach the association with the no rule command within the role configuration mode
B. Detach the association with the no role command within the feature-group configuration mode
C. Detach the association with the no rule command within the feature-group configuration
D. Detach the association with the no role command within the role configuration mode
Refer to the exhibit. An engineer fails to implement a Cisco UCS Manager integration manager. The credentials and IP connectivity between Cisco APIC and UCS Manager are configured as expected. Which action resolves the issue?
A. Disable HTTP to HTTPS redirection in Cisco UCS Manager
B. Enable JSON API on the Cisco UCS Manager
C. Change the Integration Manager name to FQDN of the Cisco UCS Manager
D. Install ExternalSwitch app in the APIC controller
An engineer troubleshoots a custom AV pair that a client created on an external authentication server to map a read-only role for a specific security domain. Which AV pair solves the problem?
A. shell_domains=Security_Domain_1//Read_Role_1|Read_Role_2
B. shell_domains=Security_Domain_1/Write_Role_1|Read_Role_2
C. shell=Security_Domain_1/Read_Role_1|Read_Role_2
D. shell_domains=Security_Domain_1/Read_Role_1|Read_Role_2
![]()
Refer to the exhibit. A blade server on UCS-1 fails to boot from SAN. The PWWNs of the server and the target device are in the fabric login database of the N9K-1. Which set of actions resolves the issue?
A. Configure zoning and activate the zone set.
B. Reset HBA adapter 1/2/1 to reinitiate FLOGI.
C. Set fabric binding based on the initiator PWWN and target PWWN.
D. Define LUN masking on the storage array.
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. Enable LLDP on the interface vfc2.
B. Activate DCBX on the interface e101/1/2.
C. Activate DCBX on the N9K switch.
D. Enable LLDP on the neighbor switch.
An IOM fails during a firmware upgrade and is unresponsive. Which action recovers the module?
A. Restore the Cisco UCS Manager configuration from backup.
B. Roll back to the previous firmware.
C. Reinstall the firmware using Auto Install.
D. Reset the faulty module from the peer IOM.
Refer to the exhibit. A web browser displays a "not secure" warning message when accessing the web interface of Cisco UCS Manager. Which action resolves the issue?
A. Load third-party certificate to UCS Manager.
B. Use the correct TCP port for HTTPS.
C. Use a supported web browser.
D. Use a supported version of UCS Manager.
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?
A. Include a show ip route CLI action statement.
B. Add the event-default action statement to the end of the script.
C. Modify the event-default action statement to match a syslog pattern.
D. Create a command alias for show ip route.
Refer to the exhibit. The administrator set up two pairs of Cisco Nexus switches. The administrator set different vPC priorities on all four Nexus switches. As soon as the administrator activates the vPC between the two pairs the network faces different issues. The problems range from both Nexus pairs declare themselves as root bridge, as well as spanning-tree inconsistencies and traffic forwarding issues. Which action resolves these issues?
A. Change the role priority on one pair.
B. Configure a vPC peer link between both peers.
C. Change domain ID on one pair to a different ID.
D. Configure peer-config-check-bypass on both pairs.
Refer to the exhibit. An engineer troubleshoots why user 1, user 2, and user 3 from the group STORAGE-ADMINISTRATOR in Microsoft Active Directory cannot log in to the Cisco MDS SSH CLI. Which action resolves the issue?
A. Configure the role name to match the group name on Microsoft Active Directory.
B. Include specific users into the Cisco MDS role configuration.
C. Configure SSH logins on the Cisco MDS switch.
D. Integrate Cisco MDS with Microsoft Active Directory.
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. Configure the “Do not pause on failure and do not wait on cluster health” Run Mode
B. Choose the “Pause upon upgrade failure” Run Mode
C. Select the “Graceful Maintenance” checkbox
D. Place each leaf switch in a different upgrade group
E. Check the “Ignore Compatibility” checkbox
Refer to the exhibit. An engineer discovered a VFC interface in a down state on a Cisco Nexus Switch. Which action resolves the problem?
A. Change the cable between the switch and the server
B. Reset the Cisco Nexus port toward the file server
C. Update the CNA firmware and driver versions
D. Modify the fip keepalive message time to 30 seconds
Access Full 300-615 Mock Test Free
Want a full-length mock test experience? Click here to unlock the complete 300-615 Mock Test Free set and get access to hundreds of additional practice questions covering all key topics.
We regularly update our question sets to stay aligned with the latest exam objectives—so check back often for fresh content!
Start practicing with our 300-615 mock test free today—and take a major step toward exam success!