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300-615 Sample Questions Answers

Questions 4

Refer to the exhibit. The administrator set up two pairs of Cisco Nexus switches. The administrator set dfferent 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?

Options:

A.

Change the role priority on one pair.

B.

Configure peer-config-check-bypass on both pairs.

C.

Configure a vPC peer link between both peers.

D.

Change domain ID on one pair to a diferent ID.

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Questions 5

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.

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Questions 6

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?

Options:

A.

IOM network interface

B.

fabric interconnect uplink interface

C.

IOM host interface

D.

server interface

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Questions 7

An engineer enables the packet postcards feature on a Cisco Nexus 9000 Series Switch but receives the error message "Error: Cannot configure postcard when inband-telemetry is configured."

Which action resolves the issue?

Options:

A.

Disable the telemetry feature

B.

Disable the software-telemetry feature

C.

Disable the hardware-telemetry feature

D.

Disable the inband-telemetry feature

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Questions 8

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 9

Refer to the exhibit.

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.

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Questions 10

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?

Options:

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

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Questions 11

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

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Questions 12

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.

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Questions 13

NO: 80

Refer to the exhibit. During a maintenance window of the Nexus switch pair, one of the Cisco Nexus chassis was brought offline for maintenance. The primary Cisco Nexus switch was stable during the maintenance window. After finishing the

tasks on the chassis, the administrator wanted to bring the second switch online. The administrator checked the status of the disconnected switch that was removed from the vPC during the maintenance. The engineer must connect the peer chassis seamlessly with the primary vPC peer without experiencing traffic interruption. Which action accomplishes this goal?

Options:

A.

Change the role priority, then connect the peer switch.

B.

Change the auto recovery to disabled, and enable auto recovery.

C.

Change the auto recovery timer to active if not already set, then re-establish the connectivity.

D.

Change the auto timer to a higher value, then connect the peer switch.

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Questions 14

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?

Options:

A.

Bind native VLAN 10 with Ethemet1/10 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 Ethemet10/1/1 and allow VLAN 10 in trunk configuration

D.

Assign native VLAN 10 with fc2.'l - 2 and allow VLAN 10 in trunk configuration.

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Questions 15

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?

Options:

A.

Remove all of the local storage that is installed

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.

Delete and reconfigure the boot LUN

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Questions 16

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?

Options:

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.

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Questions 17

Refer to the exhibit.

A network engineer has connected the Nexus switch management port to the Internet using DHCP to allow the Guest shell running on the switch to download Python packages. The engineer can ping google.com successfully from the Nexus switch, but the Guest shell failed to download any Python packages. Which action resolves the problem?

Options:

A.

Update the Python packages on the Cisco Nexus switch directly.

B.

Manually configure DNS in the Guest shell, even if it is claimed on the Cisco Nexus switch through DHCP.

C.

Manually configure NTP in the Guest shell.

D.

Connect Guest shell to data plane interfaces to be able to connect to the networks outside the Cisco Nexus switch.

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Questions 18

An engineer configures FCoE between a set of ESXi hosts and a Cisco Nexus 5000 Series Switch. The Converged Network Adapter of the host fails to receive the response from the Cisco Nexus device. Also, the VFC interface is in a down state and the FIP adapter fails to receive 802.1q tagged frames. The host interface is configured for VLAN trunking. Which action resolves the issue?

Options:

A.

Activate the reception of Xoff pause frames from the server

B.

Configure the UF link as a spanning-tree edge port

C.

Enable the active STP port state on the bound Ethernet interface

D.

Set the bound Ethernet trunk interface to non-FCoE native VLAN

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Questions 19

Refer to the exhibit.

An engineer discovers that if the vPC peer link goes down, half of the devices in VLAN 20 experience connectivity issues with the external networks Which action resolves the issue?

Options:

A.

Configure a dedicated Layer 3 link between vPC peers

B.

Allow non-vPC VLANs on a second trunk between the two vPC peers

C.

Add the non-vPC SVIs in the dual-active exclude VLAN list

D.

Exclude the non-vPC VLANs from vPC peer link

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Questions 20

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 VL AN can exchange ping messages. Which configuration set must be applied on the HSRP peers to resolve the adjacency issue?

Options:

A.

key 0 send-lifetime 00:00:00 Oct 01 2018 23:59:59 Sep 01 2020

B.

key 1 send-lifetime 00:00:00 Jun 01 2018 23:59:59 Sep 01 2022

C.

key1 accept-lifetime 00:00:00 Jun 01 2018 23:59:59 Sep 01 2020

D.

key 0 accept-lifetime 00:00:00 Oct 01 2018 23:59:59 Sep01 2020

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Questions 21

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 22

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 23

Refer to the exhibit The EEM applet must generate a syslog message whena BGP adjacency faps. 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?

Options:

A.

Add the event-default action statement.

B.

Modify the policy to use the snmp trap action.

C.

Adjust the policy to match an SNMP OID.

D.

Set the logging priority to Wamings.

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Questions 24

Refer to the exhibit. An engineer discovered a VFC interface in a down state on a Cisco Nexus Switch. Which action resolves the problem?

Options:

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

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Questions 25

Refer to the exhibit.

The vPC between switch1 and switch2 does not work. Which two actions resolve the problem? (Choose two.)

Options:

A.

Configure the IP address on the interface.

B.

Activate VLANs on the vPC.

C.

Configure one of the switches as primary for the vPC.

D.

Correct the configuration of the vPC peer link and the vPC peer keepalive.

E.

Match the vPC domain ID between the two devices.

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Questions 26

Refer to the exhibit.

When an engineer inserts 8-Gb FC SFP port 15 on a Cisco UCS Fabric Interconnect, the port fails. What is a possible cause of the issue?

Options:

A.

Port 15 is configured as an Ethernet port.

B.

Port 15 is configured for 4-Gb FC.

C.

Port 15 is missing a license.

D.

The polarity of the fiber cable is reversed.

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Questions 27

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

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Questions 28

A network engineer discovers a DNS resolution problem on a device that is using the Cisco Nexus Bash shell.

The device name is app with an IP address of 10.10.10.1. The primary server IP address is 172.16.10.1 and

the secondary server IP address is 172.16.10.2. When the abc.com resolution fails, it should attempt to use

efg.com. Which settings must be added to resolv.conf file to resolve the issue?

Options:

A.

Option A

B.

Option B

C.

Option B

D.

Option D

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Questions 29

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?

Options:

A.

Change the syslog action number to 1.

B.

Save the configuration using a user with network-admin role.

C.

Use the extended command copy running-config startup-config.

D.

Add event-default as a second action of the EEM script.

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Questions 30

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

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Questions 31

Refer to the exhibit. A blade that is connected to FI-A fails to boot from a SAN LUN. The boot policy is configured to boot by using vHBA0 as the SAN Primary. Which action resolves the issue?

Options:

A.

Change Adapter Policy to VMWare on vHBA0

B.

Change vHBA0 to VSAN 11 in Service Profile

C.

Configure vHBA_SAN_A zone to VSAN 10

D.

Set VSAN to 11 in vHBA_SAN_

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Questions 32

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?

Options:

A.

loader> dir

loader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.bin

switch(boot)# init system

switch(boot)# reload

switch(boot)# load ucs-6300-k9-system.5.0.2.N1.3.02d56.bin

B.

loader> dir

loader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.bin

switch(boot)# copy ics-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> dir

loader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.bin

switch(boot)# init system

switch(boot)# reload

switch(boot)# boot ucs-6300-k9-system.5.0.2.N1.3.02d56.bin

D.

loader> dir

loader> boot ucs-6300-k9-kickstart.5.0.2.N1.3.02d56.bin

switch(boot)# copy ics-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

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Questions 33

Refer to the exhibit.

The scheduler job fails to run. Which action resolves the issue?

Options:

A.

Change the file name.

B.

Configure the authentication credentials.

C.

Change the TFTP server address.

D.

Configure the RBAC authentication.

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Questions 34

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.)

Options:

A.

Configure the power-restore-policy.

B.

Configure the power restore last-state policy.

C.

Set the delay value to 180.

D.

Set the delay fixed value to 3.

E.

Configure power sync policy.

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Questions 35

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?

Options:

A.

B. Enable SHA authentication for the admin user.

B.

C. Update the community string.

C.

D. Change the admin user permissions to write.

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Questions 36

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?

Options:

A.

Enable LLDP on the interface vfc2

B.

Activate DCBX on the N9K switch

C.

Activate DCBX on the interface e101/1/2

D.

Enable LLDP on the neighbor switch

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Questions 37

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 38

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?

Options:

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.

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Questions 39

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.

Options:

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Questions 40

Refer to the exhibit.

An administrator directly connects a Fibre Channel storage array to ports 1 through 4 on a Cisco UCS 6454 Fabric Interconnect. The administrator configures a service profile to boot directly from the new Fibre Channel storage array, but the service profile fails to boot. When the administrator checks the output of the show flogi database command on the fabric interconnect, it shows the output presented in the exhibit. Which action resolves the issue?

Options:

A.

Configure the Zoning Type in vHBA Initiator Group as Multiple Initiator Single Target.

B.

Configure the fabric interconnects in Fibre Channel switch mode.

C.

Configure the Zoning Type in vHBA Initiator Group as Multiple Initiator Multiple Target.

D.

Configure the fabric interconnects in Fibre Channel end-host mode

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Questions 41

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 42

Refer to the exhibit.

The cURL command fails to complete. Which action resolves the problem?

Options:

A.

Remove ".json\" from the URL.

B.

Include -p "password" in the command.

C.

Add -H "X-Auth-Token" to the command.

D.

Change ".json" to ".xml" at the end of the URL.

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Questions 43

An IOM fails during a firmware upgrade and is unresponsive. Which action recovers the module?

Options:

A.

B. Reset the faulty module from the peer IOM

B.

C. Reinstall the firmware using Auto Install.

C.

D. Restore the Cisco UCS Manager configuration from backup.

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Questions 44

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?

Options:

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.

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Questions 45

Refer to the exhibit.

A PC belongs to VLAN 68 The user experiences a large amount of packet loss when communicating with hosts that are outside of VLAN 68. Which action resolves the problem?

Options:

A.

Replace HSRP with GLBP

B.

Enable the peer-gateway feature

C.

Remove the HSRP configuration

D.

Configure ip arp synchronization on both switches.

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Questions 46

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 47

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.O. 1.0.XXXXXXXXX1 bin to make the management image compliant with the Cisco UCS Manager?

Options:

A.

Kickstart

B.

System

C.

UCS Manager

D.

Cisco IMC

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Questions 48

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?

Options:

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

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Questions 49

A vPC Type-1 inconsistency between two vPC peers in a VXLAN EVPN setup is discovered. Which two actions need to be attempted to resolve the issue? (Choose two.)

Options:

A.

Configure the NVE interfaces to be Up on both switches.

B.

Set a different distributed gateway virtual MAC address.

C.

Set a different secondary IP addresses on NVE source-interface.

D.

Configure the same VNI to multicast group maping.

E.

Set a different primary IP addresses on NVE source-interface.

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Questions 50

Refer to the exhibit.

The OTV overlay is deployed in multicast mode. After an unexpected reload of N7K-SITE1-OTV1, the network administrator observed that on N7K-SITE1-OTV2 the OTV site adjacency went into the partial state. Which

action resolves the issue?

Options:

A.

Configure the Site-Identifier on N7K-SITE1-OTV1 to 0002.0002.0002.

B.

Enable IP IGMP version 3 on the join interface on N7K-SITE1-OTV1.

C.

Change the Site-VLAN on N7K-SITE1-OTV2 to VLAN 1.

D.

Modify the multicast data-group on N7K-SITE1-OTV1 to match N7K-SITE1-OTV2.

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Exam Code: 300-615
Exam Name: Troubleshooting Cisco Data Center Infrastructure (300-615 DCIT)
Last Update: Nov 30, 2024
Questions: 167
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