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Cisco 300-615 Troubleshooting Cisco Data Center Infrastructure (DCIT) Exam Practice Test

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Total 167 questions

Troubleshooting Cisco Data Center Infrastructure (DCIT) Questions and Answers

Question 1

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.)

Options:

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.

Question 2

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?

Options:

A.

Perform diagnostic interrupt on the server.

B.

Re-acknowlegement the server.

C.

Reset the server.

D.

Decomission the server.

Question 3

An engineer is troubleshooting a fabric discovery failure. Which two requirements must an engineer verify about switch connectivity to solve the problem? (Choose two.)

Options:

A.

A Cisco APIC must be attached to a spine node only.

B.

A Cisco APIC must be attached to leaf nodes.

C.

Spine nodes must connect to other spine nodes.

D.

A Cisco APIC must be dual-attached to two separate spine nodes.

E.

Leaf nodes must connect to spine nodes only.

Question 4

A network engineer is implementing the Cisco ACI Fabric and notices that the Leaf-1 switch is registered, has

an assigned name, but is displayed as inactive in the APIC. After further investigation, it became clear that the

leaf switch was recently moved from another Cisco ACI environment. Which action resolves the problem?

Options:

A.

Clean reload the Leaf-1 switch

B.

Define the new TEP address for Leaf-1

C.

Change the clock offset from low to high between apic 1 and Leaf-1

D.

Modify the ISIS interface peering IP address between apic 1 and Leaf-1

Question 5

Refer to the exhibit.

Question # 5

An engineer is troubleshooting why user1, user2, and user3 from group STORAGE- ADMINISTRATOR in Microsoft Active Directory cannot log in to the Cisco MDS SSH CLI. Which action resolves the issue?

Options:

A.

Configure the role name to match the group name on Microsoft Active Directory.

B.

Include specific users into MDS role configuration.

C.

Configure SSH logins on Cisco MDS switch.

D.

Integrate Cisco MDS with Microsoft Active Directory.

Question 6

Refer to the exhibit.

Question # 6

The script fails to bring up Ethernet 1/2 when Ethernet 1/1 goes down. Which change

enables the script to run as intended?

Options:

A.

Set the port VLAN

B.

Include an action to manually shut down Ethernet 1/1

C.

Add an action to configure the terminal

D.

Configure an enable action

Question 7

Refer to the exhibit.

Question # 7

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?

Options:

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

Question 8

Question # 8

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?

Options:

A.

Disable and enable bash shell

B.

Reboot the guest shell

C.

Redeploy the bash shell

D.

Upgrade the guest shell

Question 9

Refer to the exhibit.

Question # 9

The vPC neighborship between two switches is in suspended state. Which configuration change resolves the issue and brings up the vPC neighborship?

Options:

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

Question 10

Refer to the exhibit.

Question # 10

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?

Options:

A.

Match the OSPF area between the two devices.

B.

Configure the IP addresses of the interface in the same subnet.

C.

Change the OSPF area type to 2 on n7k-1.

D.

Set the same MTU values on both sides of the link.

Question 11

Refer to the exhibit.

Question # 11

An OSPF adjacency between Router-A and Router-B cannot reach the FULL state. Which action resolves the issue?

Options:

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.

Question 12

An engineer is troubleshooting a failed DCBX exchange between a server and a Cisco Nexus switch. Which action allows DCBX to successfully negotiate?

Options:

A.

Enable ETS

B.

Enable PFC.

C.

Enable Cisco Discovery Protocol.

D.

Enable LLDP.

Question 13

Refer to the exhibit.

Question # 13

An attempt to bind the Ethernet interface to vFC fails. Which action resolves the issue?

Options:

A.

Add the FCoE VLAN to the allowed VLAN list.

B.

Configure the FCoE VLAN that corresponds to the vFC VSAN as a private VLAN.

C.

Configure the interface as a trunk port.

D.

Configure the interface to use the native VLAN of the trunk port.

Question 14

An attempt to use a global vNIC redundancy template pair results in a service profile that fails to apply. Which action resolves the issues?

Options:

A.

Create the peer names before creating the templates.

B.

Assign the secondary template first, and then set the peer name.

C.

Assign both templates simultaneously.

D.

Assign the primary template first, and then set the peer name.

Question 15

Question # 15

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?

Options:

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

Question 16

An engineer upgrades Cisco UCS firmware from release 3. 1(2) to release 3. 1(3) using Autolnstall. Both fabric interconnects go ofline during the software upgrade installation and issue multiple F SM retries in the DeployPollActivate stage. Which set of actions resolves the issue?

Options:

A.

Fix the rights to 666 with the debug plugin on the primary fabric interconnet Save the current configuration on the running fabric interconnect.

Continue the upgrade on both fabric interconnects.

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.

Acknowledge the error and reboot the primary fabric interconnect. Clear the default firmware version and upload a new one.

Restart the upgrade process manually.

D.

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 Autolnstall.

Question 17

After upgrading a client’s fabric interconnect to the latest version, an engineer discovers that the appliance has lost its entire configuration. Which two locations should an engineer check to confirm that the appliance had backed up the configuration prior to the upgrade in order to retrieve the lost configuration? (Choose two.)

Options:

A.

Equipment FSM page, InternalBackup stage

B.

Service profiles page, InternalBackup stage

C.

Admin page, PollInternalBackup stage

D.

Equipment FSM page, PollInternalBackup stage

E.

Admin page, InternalBackup stage.

Question 18

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 does an engineer take to prevent this issue from reoccurring?

Options:

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 command on the interface.

D.

Run the switchport ignore bit-errors command on the interface.

Question 19

A mission-critical server is connected to site A. Connectivity to this server is lost from site B because the MAC route is missing in the OTV VDC of the Nexus 7000 in site B due to MAC aging. Which action allows the flooding of the unknown unicast MAC on the Nexus 7000 in the OTV VDC?

Options:

A.

Use route-map to advertise this MAC statically and redistribute with ISIS.

B.

Unknown unicast flooding is not allowed.

C.

Use the otv flood mac <> command to selectively flood traffic for a given MAC.

D.

Use the otv isis bfd <> command to configure BFD protocol.

Question 20

A firmware upgrade on a fabric interconnect fails. A bootflash contains a valid image. Drag and drop the recovery steps from the left onto the correct order on the right.

Question # 20

Options:

Question 21

Refer to the exhibit.

Question # 21

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.)

Options:

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

Question 22

Your client reports that many flaps and server cluster disconnects occur in their data center. While troubleshooting the issue, you discover a network attack hitting their Cisco Nexus 7000 Series Switches and determine that the source IP addresses are spoofed. Which first-line security solution resolves this issue?

Options:

A.

Dynamic ARP Inspection

B.

Unicast RPF

C.

IP Source Guard

D.

Storm Control

Question 23

Refer to the exhibit.

Question # 23

The integration between Cisco UCS Manager and Cisco UCS Central failed. Which action resolves the issue?

Options:

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

Question 24

Refer to the exhibit.

Question # 24

An upgrade operation fails with an error displayed. Which action resolve the issue?

Options:

A.

Use a different system image

B.

Use a different kickstart image

C.

Allocate extra space on a flash drive to extract a kickstart image

D.

Allocate extra space on a flash drive to extract a system image

Question 25

Refer to the exhibit.

Question # 25

A network engineer upgrades the firmware of a Cisco Fabric Interconnect from boot flash. During the process, the fabric interconnect reboots and displays the message shown in the exhibit. Which action resolves the issue?

Options:

A.

Remove the service pack and upgrade through the auto-install procedure

B.

Reset the I/O module and install the firmware image from the boot flash

C.

Boot the kickstart image from boot flash and load the system image

D.

Reload the switch and boot the kickstart image from the TFTP server

Page: 1 / 17
Total 167 questions