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300-615 Troubleshooting Cisco Data Center Infrastructure (DCIT) Questions and Answers

Questions 4

Refer to the exhibit.

A switch is being downgraded to an earlier release because of a problem with the current release. After the switch is downgraded, it can no longer forward traffic. Which action resolves the issue?

Options:

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.

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Questions 5

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.

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Questions 6

NO: 55

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?.

Options:

A.

B. Match encap="vlan-10" and primaryEncap="vlan-110"

B.

C. Modify the GET command to reference the valid path for the managed object

C.

D. Change pcEnfPref="unenforced" to pcEnfPref="enforced".

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Questions 7

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?

Options:

A.

1- Disconnect the power cord

2- Confirm that all cards are property seated

3- Connect the power cord and power on the server

B.

1- Power off the server and disconnect the power cord

2- Confirm that all cards are property seated

3- Connect the power cord and power on the server

C.

1- Power off the server and disconnect the power cord

2- Confirm that all cards are available

3- Connect the power cord and power on the server

D.

1- Disconnect the power cord

2- Confirm that all cards are properly seated

3- Connect the power cord

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Questions 8

Refer to the exhibit.

HSRP adjacency fails to form between Nexus7K-1 and Nexus7K-2. Which action should be taken to solve the problem?

Options:

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.

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Questions 9

A Cisco Nexus 9000 Series Switch crashes and fails to boot. An engineer must recover the switch and investigate the issue. The switch uses 172.20.50.213/24 IP address for management and its default gateway is 172.20.50.254. Drag and drop the steps for recovering the Cisco Nexus 9000 Series Switch from the left onto the right. Not all steps are used.

Select and Place:

Options:

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Questions 10

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?

Options:

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

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Questions 11

Refer to the exhibit.

The HSRP instance on both switches is showing as active. Which action resolves the issue?

Options:

A.

Configure the HSRP timers to be the same.

B.

Allow VLAN 100 between the switches.

C.

Configure the IP address of N9K-B on the same subnet as N9K-A.

D.

Configure preempt on only one of the switches.

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Questions 12

A Cisco UCSB-Series Blade Server is configured to boot a VMwareESXi host from an EMC VNX storage array by using a Fibre Channel SAN. The boot order is confirmed to be configured as expected but the server fails to boot from the SAN. Which action reserves the problem?

Options:

A.

Set the same WWPN pools for vHBA adapters

B.

Set the boot LUN to the highest LUN ID in the storage array

C.

Set the boot LUN to the lowest LUN ID in the storage array

D.

Set the same WWNN pools for vHBA adaptor

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Questions 13

Refer to the exhibit.

A certificate is implemented on the security configuration on the Cisco ACI controller. A customer receives a "Connection Not Secure" error in a browser every time the customer logs in to the Cisco APIC GUI. Which action resolves the issue?

Options:

A.

Include a private key with the certificate.

B.

Use a browser that supports keys of 2048 bits.

C.

Configure a corporate certificate authority for the certificate.

D.

Add a 1536-bit key to the APIC GUI.

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Questions 14

Refer to the exhibit.

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

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Questions 15

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?

Options:

A.

https://172.16.10.1/api/node/mo/uni/tn-Test1.xml? rsp-subtree=full &rsp-prop-include=config-only

B.

icurl -k-v https:// 172.16.10.1/api/node/mo/uni/tn-Test1.xml? rsp-subtree=modified=config-only

C.

https:/ 172.16.10.1/api/node/mo/uni/tn-Test1.xml? rsp-subtree=modified=config-only

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Questions 16

Refer to the exhibit.

A network engineer configures an EEM script to get a syslog notification after a configuration change. This message appears when the engineer must make a new configuration to this switch. Which configuration did the engineer neglect to apply in the script for it to function properly?

Options:

A.

event cli match ‘configure terminal’

B.

event policy-default count 1 time 100

C.

event syslog occurs 10

D.

action 2.0 event-default

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Questions 17

Refer to the exhibit.

A network administrator must delete a feature group from a Cisco Nexus 5000 Series Switch. Which action resolves the issue?

Options:

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

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Questions 18

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?

Options:

A.

Associate bashusers with the Cisco NX-OS vdc-admin role and activate the nxapi feature.

B.

Associate bashusers with the Cisco NX-OS dev-ops role and activate the bash-shell feature.

C.

Associate bashusers with the Cisco NX-OS network-admin role and activate the guestshell feature.

D.

Associate bashusers with the Cisco NX-OS network-operator role and activate the bash-shell feature.

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Questions 19

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.

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Questions 20

A network engineer experiences the error “DDR3_P1_B1_ECC” when upgrading Cisco UCS firmware. Which action resolves the issue?

Options:

A.

Reset the DIMM

B.

Reset the BMC firmware

C.

Reflash the controller firmware

D.

Reflash the DIMM

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Questions 21

An engineer experiences an issue presented with the Cisco ucs system. Which action resolves the issue?

Options:

A.

Change the discovery policy backplane speed preference to 4x10G.

B.

Connect the adapter to the fabric interconnects using a breakout cable.

C.

Update the 1/O module firmware on the Cisco UCS chassis.

D.

Reboot the blade server and acknowledge the fault.

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Questions 22

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?

Options:

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.

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Questions 23

An engineer is troubleshooting issues in Cisco UCS Director. Drag and drop the possible causes from the left onto the correct issues on the right.

Options:

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Questions 24

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?

Options:

A.

Remove all existing vNICs and add them in the desired order.

B.

Build a new service profile with the desired network configuration

C.

Add the disjoint Layer 2 VLANs to an existing vNIC rather than adding new vNICs

D.

Create a vNIC placement policy to avoid adapter renumbering

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Questions 25

Refer to the exhibit. UCS- 1 fails to connect to the storage array. Which action resolves the issue?

Options:

A.

Set the FI-A mode to FC End Host mode.

B.

Enable N9K-1 mode to N-Port ID Virtualization.

C.

Configure N-Port ID Virtualization on FI-A.

D.

Implement N-Port Mirtualization on N9K-1.

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Exam Code: 300-615
Exam Name: Troubleshooting Cisco Data Center Infrastructure (DCIT)
Last Update: Apr 19, 2024
Questions: 167

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