300-615 Practice Test Free – 50 Real Exam Questions to Boost Your Confidence
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Below, you will find 50 free 300-615 practice questions to help you prepare for the exam. These questions are designed to reflect the real exam structure and difficulty level. You can click on each Question to explore the details.
Refer to the exhibit. A network engineer notices packet drops on FCoE traffic from the servers. Which action resolves the issue?
A. Disable priority flow control on the interface.
B. Enable priority flow control on the interface.
C. Apply flowcontrol transmit on the interface.
D. Apply flowcontrol receive on the interface.
An engineer is implementing a new BGP peering in their new data center. The engineer set up the BGP session that peers with the remote end. As soon as the BGP peers attempt to exchange routing prefixes, one of the BGP peers drops the connection. After reviewing the configuration, the engineer reviews the logging messages. The engineer discovers that the router is missing keepalives from the remote end and terminates the session. Which action resolves the issue?
A. Set the bgp transport path-mtu-discovery attribute on both peers
B. Set the higher values for the BGP keepalive and hold-down timers on both peers
C. Configure the matching BGP AS numbers between the peers
D. Configure the matching BGP passwords between the peers
Refer to the exhibit. A network engineer must display the status of the vPC domain using the Python script and guest shell. The status of Cisco Nexus switches 1 and 2 must be displayed, but the code fails and displays the status of Cisco Nexus switches 0 and 1 instead. Which code resolves the issue?
A. print (‘Show VPC On Switch’, [i] + 1, ‘n’) on line 5
B. print (‘Show VPC On Switch’, i + 2, ‘n’) on line 5
C. for i in range(1,3): on line 4
D. for i in range(1-2): on line 4
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?
A. On MDS interface vfc 1/1, change switchport mode configuration to VF
B. On N9K interface vfc11, change switchport mode configuration to NP
C. On N9K interface vfc11 and MDS interface vfc 1/1, change switchport mode configuration to F
D. On N9K interface vfc11 and MDS interface vfc 1/1, change switchport mode configuration to E
A server administrator attempts to change the Cisco IMC KVM certificate to one that is signed by a private CA, but the certificate is not accepted. What causes this process to fail?
A. using a certificate with a password-protected private key
B. using RSA encryption in the generation of the certificate
C. using AES encryption in the generation of the certificate
D. omitting the public IP address of the Cisco IMC in the SAN
Refer to the exhibit. HSRP adjacency fails to form between Nexus7K-1 and Nexus7K-2. Which action should be taken to solve the problem?
A. Configure preempt on one of the switches in the HSRP group.
B. Configure the same HSRP priority between the two switches.
C. Configure the correct subnet mask on Nexus7K-1.
D. Configure HSRP version 2 on Nexus7K-2.
A customer configures HSRP between two data centers that are interconnected with OTV. The configuration succeeds, but traffic between two ESXi virtual hosts on the same site is routed suboptimally through the OTV overlay. Which two actions optimize the traffic? (Choose two.)
A. Disable first-hop redundancy.
B. Filter HSRP traffic by using a Layer 3 VACL on the OTV edge devices.
C. Filter HSRP by using a Layer 2 MAC list on the ESXi vSwitch.
D. Filter HSRP traffic by using a Layer 3 VACL on the ESXi vSwitch.
E. Filter HSRP by using a Layer 2 MAC list on the OTV edge devices.
An FSM failed during an upgrade with the auto-install feature enabled. The engineer must remove the service pack from the subordinate fabric interconnect (FI) to recover the FIs. Which set of commands resolves the issue?
A. UCS-A# scope fabric-interconnect bUCS-A# /fabric-interconnect # remove service-pack securityUCS-A# /fabric-interconnect* # commit-buffer
B. UCS-A# scope org -UCS-A /org # scope fw-infra-pack defaultUCS-A /org/fw-infra-pack # set infra-bundle-version “”UCS-A /org/fw-infra-pack* # commit-buffer
C. UCS-A# scope org -UCS-A /org # scope fw-infra-pack defaultUCS-A /org/fw-infra-pack # set infra-bundle-version “”UCS-A# /fabric-interconnect # remove service-pack securityUCS-A# /fabric-interconnect* # commit-buffer
D. UCS-A# scope fabric-interconnect bUCS-A# /fabric-interconnect # remove service-packUCS-A# /fabric-interconnect* # commit-buffer
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?
A. Place VLAN 0 on the interface that connects to the storage
B. Register the blade as an initiator on the storage array
C. Implement a Layer 3 connection between the blade and the storage
D. Establish a Layer 2 connection between the blade and the storage
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?
A. Copy the SMU package file on the bootflash
B. Deactivate and uninstall the active core package
C. Save the running configuration after activating the package
D. Commit the package using the install commit command
Refer to the exhibit. The vPC neighborship between two switches is in suspended state. Which configuration change resolves the issue and brings up the vPC neighborship?
A. Change STP Port Type to Network on the peer switch
B. Enable Bridge Assurance on the local switches
C. Configure QoS MTU value of 9216 on the peer switch
D. Add VLAN 400-401 to the configuration on the local switch
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 prevents this issue from reoccurring?
A. Verify that the SFPs are supported.
B. Change the SFP to operate at 4 Gbps instead of 2 Gbps.
C. Run the shutdown and then no shutdown commands on the interface.
D. Run the switchport ignore bit-errors command on the interface.
A system administrator adds two vNICs to an existing service profile that is used to run a vSphere environment to support disjoint Layer 2 network connectivity. However, after the server is rebooted, the host is not accessible on the network. Which action resolves the issue?
A. Build a new service profile with the desired network configuration.
B. Remove all existing vNICs and add them in the desired order.
C. Create a vNIC placement policy to avoid adapter renumbering.
D. Add the disjoint Layer 2 VLANs to an existing vNIC rather than adding new vNICs.
Refer to the exhibit. An engineer fails to implement OSPF routing on a Cisco Nexus 9000 Series Switch. Which action resolves the issue?
A. Enable the OSPF feature.
B. Remove invalid characters from the command.
C. Populate the OSPF database.
D. Wait for the OSPF adjacency to be established.
Refer to the exhibit. The integration between Cisco UCS Manager and Cisco UCS Central failed. Which action resolves the issue?
A. Implement the consistent NTP source between the appliances
B. Implement the connectivity between the appliances through a firewall
C. Configure the certificate between the appliances
D. Configure the shared secret key between the appliances
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?
A. Bind native VLAN 10 with Ethernet1/10 and allow VSAN 101 in trunk configuration.
B. Assign native VLAN 10 with vfc111 and allow VLAN 1101 in trunk configuration.
C. Bind native VLAN 10 with Ethernet10/1/1 and allow VLAN 10 in trunk configuration.
D. Assign native VLAN 10 with fc2/1 – 2 and allow VLAN 10 in trunk configuration.
Refer to the exhibit. A network engineer is troubleshooting an issue where a user reports that they failed to reach the business application server while N9K-1 is down. Which action resolves the issue?
A. Change the priority value of the N9K-2 switch to 120.
B. Remove the peer-switch feature from the N9K-2 switch.
C. Remove the VPC configuration from the application server interface configuration.
D. Configure the peer-gateway feature on both Cisco Nexus switches.
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.
Refer to the exhibit. An integration issue occurs between the Cisco Intersight and Cisco UCS C240 server. The requirements are to install the server OS through virtual media directly from Cisco Intersight, and to be able to perform the task from HQ. However, the 10.1.1.0/24 network is not reachable from HQ. Which action must be taken on UCS C240 to resolve the issue?
A. Set the connector Access Mode to Read Only.
B. Disable the device connector.
C. Enable tunneled vKVM from the CIMC.
D. Change the assigned license to be essential.
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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?
A. Enable IPv6 routing on R1.
B. Create a route map that sets the IPv6 next hop.
C. Configure an IPv6 BGP neighbor on R1.
D. Advertise L2VPN EVPN under IPv4 unicast address family.
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
Refer to the exhibit. A network engineer deploys scripts to the guest shell of a Cisco Nexus switch. The scripts fail to operate properly due to the limited CPU and file system resources that are assigned by default to the guest shell. The engineer allocated more memory and disk space to the guest shell, but the application continues to fail. Which action resolves the issue?
A. Disable and enable bash shell
B. Reboot the guest shell
C. Redeploy the bash shell
D. Upgrade the guest shell
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. 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.
A client reports that many flaps and server cluster disconnects are occurring in its data center. While troubleshooting the issue, an engineer discovers that a network attack is hitting the Cisco Nexus 7000 Series Switches and that the source IP addresses are spoofed. Which first-line security solution resolves this issue?
A. Dynamic ARP Inspection
B. Unicast RPF
C. IP Source Guard
D. Storm Control
Refer to the exhibit. An engineer is performing a health check on ACI. Which statement about interface Ethernet 1/11 is true?
A. The interface is working correctly and fully operational, but it is not in use.
B. The interface policy is misconfigured.
C. “out-of-service” is the default interface status in ACI.
D. “out-of-service” indicates that no service graph is in use for this interface.
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?
A. VSAN 1 is suspended.
B. The SFP is unsupported.
C. Trunk mode must be activated.
D. The interface is in an incorrect mode.
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?
A. https:/172.16.10.1/api/node/mo/uni/tn-Test1.xml?rsp-subtree=modified=config-only
B. https://172.16.10.1/api/node/mo/uni/tn-Test1.xml?rsp-subtree=full&rsp-prop-include=config-only
C. icurl -k -v https:// 172.16.10.1/api/node/mo/uni/tn-Test1.xml?rsp-subtree=modified=config-only
D. icurl -k -v https://172.16.10.1/api/mo/uni.xml?rsp-subtree=no
Refer to the exhibit. A network engineer is implementing a Cisco UCS environment. The environment consists of eight servers configured with the same service profile template and Windows 2012 installed. The VFC interfaces of five of these servers are showing the error shown in the exhibit. Which action resolves the issue?
A. Modify the vHBAs name in the storage connectivity policy
B. Configure upstream zoning
C. Decommission and recommission the servers
D. Modify the boot order in the boot policy
A Cisco UCS C-Series Server powers off due to a power outage. The server should turn on when the power is restored with a fixed delay of 3 minutes. However, it remained powered off for more than 3 minutes after the engineer powered it back online. Which two actions resolve the issue? (Choose two.)
A. Configure the power-restore-policy.
B. Configure the power restore last-state policy.
C. Configure power sync policy.
D. Set the delay fixed value to 3.
E. Set the delay value to 180.
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?
A. event statement
B. environment variable
C. event-default action statement
D. configure terminal action
An engineer troubleshoots a Cisco UCS B-Series environment and discovers that the status of the CNA is degraded in the CLI and the Cisco UCS Manager GUI. What should be done to resolve the issue?
A. Seat the blade server correctly in the chassis.
B. Install the adapter firmware version that is compatible with Cisco UCS Manager.
C. Install the server air baffles correctly.
D. Use the supported adapter on that server model.
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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
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?
A. The event timer must be written in epoch time format.
B. The Cisco Nexus switch must be configured with one applet because a configuration with two applets will fail.
C. The Cron entry must be configured without double quotes.
D. The applet called “Backup” must include an action to remove the current static route.
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?
A. Delete and reconfigure the boot LUN.
B. Delete and reconfigure the pWWN of the SAN boot target.
C. Remove all of the ISO images that are mounted as a virtual CD-ROM.
D. Remove all of the local storage that is installed.
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. The initiator that has FC ID 0x970102 fails to communicate with the target that has FC ID 0x970200. Which action resolves the issue?
A. Reconfigure the initiator and the target to be in the same zones.
B. Reactivate the zoneset.
C. Reset the port for FC ID 0x970102 and FC ID 0x970200 to log in to the fabric.
D. Reset the port for FC ID 0x970209 and FC ID 0x9700c2 to log in to the fabric.
Refer to the exhibit. The EEM applet must generate a syslog message when a 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?
A. Modify the policy to use the snmp-trap action
B. Adjust the policy to match an SNMP OID
C. Set the logging priority to Warnings
D. Add the event-default action statement
An engineer troubleshoots FCoE on a Cisco MDS 9000 Series Switch. What does this output indicate about port channel 1?
A. Port channel 1 is configured to connect to an NPIV switch.
B. Port channel 1 is configured to be an ISL.
C. Port channel 1 is configured to connect to an NPV switch.
D. Port channel 1 is configured to connect to a host bus adapter.
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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 LEAF_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 LEAF_2 to resolve the issue? (Choose two.)
A. Add fabric forwarding mode anycast-gateway on interface Vlan100.
B. Configure correspondent IP addressing on every interface.
C. Change the fabric forwarding anycast-gateway-mac MAC address.
D. Remove ip forward from interface Vlan30 and add it on interface Vlan100.
E. Enable HMM tracking to advertise host routes into the VXLAN fabric.
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. 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. Change the syslog action number to 1.
B. Use the extended command copy running-config startup-config.
C. Add event-default as a second action of the EEM script.
D. Save the configuration using a user with network-admin role.
Refer to the exhibit. The fault was raised after a port that belongs to a Cisco UCS chassis I/O module was connected to port 31 of the fabric interconnect. Which action resolves the fault?
A. Change chassis discovery policy action to 1 link.
B. Acknowledge the affected server.
C. Reconfigure the port as a server port.
D. Recommission the chassis.
Refer to the exhibit. An engineer troubleshoots an OSPF neighborship problem between Router R2 and Router R10. Which action resolves the problem?
A. Change area ID on Router R10
B. Resolve unicast reply from Router R2
C. Resolve authentication type on Router R10
D. Change router ID on Router R10
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
Refer to the exhibit. The scheduler was configured to save the running-config automatically daily. However, the scheduler is returning the error presented. Which action resolves the issue?
A. Reconfigure the scheduler using the admin user
B. Use the kstack attribute for copying the configuration file
C. Remove vrf management from the command
D. Change the file transfer protocol to TFTP in scheduler job
Refer to the exhibit. An engineer is experiencing a problem when running a Docker container inside the Cisco Nexus 9000 bash shell. Which action resolves the issue?
A. Add a new nameserver
B. Connect to bash as a different user
C. Change VRF to management
D. Configure the mgmt0 interface
Refer to the exhibit. An OSPF adjacency between Router-A and Router-B fails to reach the FULL state. Which action resolves the issue?
A. Adjust the MTU on Router-A to 1600.
B. Disable the check of the MTU value.
C. Set the OSPF media type to point-to-point.
D. Adjust the MTU on Router-B to 1604.
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
Refer to the exhibit. The monitoring team reports an inability to access the devices after a new centralized management integration. Which action resolves the issue?
A. Enable SHA authentication for the admin user
B. Update the community string
C. Modify the SNMP ACL to allow the incoming request packets
D. Change the admin user permissions to write
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