300-615試験無料問題集（243題）「Cisco Troubleshooting Cisco Data Center Infrastructure 認定」

出題：1

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?

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

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

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

D. Change the role priority, then connect the peer switch.

正解：D 解答を投票する

出題：2

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

A. Reinstall the firmware using Auto Install.

B. Restore the Cisco UCS Manager configuration from backup.

C. Reset the faulty module from the peer IOM.

D. Roll back to the previous firmware.

正解：C 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：3

Refer to the exhibit. 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. All servers on the VLAN can exchange ping messages. Which configuration set must be applied on the HSRP peers to resolve the adjacency issue?

A. key 0
accept-lifetime 00:00:00 Oct 01 2018 23:59:59 Sep 01 2020

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

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

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

正解：B 解答を投票する

出題：4

Refer to the exhibit. A network engineer creates an EEM script to trigger an SNMP notification when a user enters configuration mode, but the trap is not received when the condition is met.
Which action resolves the issue?

A. Modify cli match "conf t" to "snmp match "conf t"

B. Append action 2.0 event-default to the script

C. Modify snmp-trap strdata "Configuration changed" to syslog msg Configuration changed

D. Append action 2.0 cli "conf t" to the script

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：5

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?

A. Port 15 is configured for 4-Gb Fibre Channel.

B. Port 15 is configured as an Ethernet port.

C. The polarity of the fiber cable is reversed.

D. Port 15 is missing a license.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：6

One of Cisco Nexus Series interfaces has become errdisabled with the error message "DCX-No ACK in 100 PDUs". What is the cause of this error?

A. The acknowledgement number in the server response has not incremented for 100 exchanges.

B. The host has not responded to the Control Sub-TLV DCBX exchanges of the switch.

C. Cisco Discovery Protocol is disabled on the switch.

D. LLDP is disabled on the switch.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：7

An engineer performs a Cisco B-Series firmware upgrade using a host firmware pack and AutoInstall server feature on an adapter. The adapter activation stops at the pending-next-boot state. The issue occurs at the adapter activation stage during the BIOS and adapter update process. Which set of actions resolves the issue?

A. Disable the fabric services.
Reboot the server.

B. Revert the BIOS to the prior working version.
Reboot the operating system.

C. Log into Cisco UCS Manager.
Reset the adapter.

D. Set the Activate status on the adapter to Ready.
Reset the server.

正解：D 解答を投票する

出題：8

An engineer is troubleshooting an unexpected blade-server reboot. One of the DIMMs is displayed inside Cisco UCS Manager as "degraded with correctable errors" but is still available for the OS to use. Which action resolves the issue?

A. Reset the Cisco UCS chassis.

B. Replace the DIMM.

C. Reset the BMC.

D. Replace the CPU.

正解：C 解答を投票する

出題：9

Refer to the exhibit. A Cisco VXLAN must use bidirectional PIM so that:
- Spine2 is the active RP for multicast group 225.0.0.0/24.
- Loopback 254 is used as a logical interface for PIM configuration.
After configuration was applied, Spine1 became the active RP for multicast group 225.0.0.0/24 instead of Spine2. Which action resolves the issue?

A. Change the IP address of Loopback 254 to 10.254.254.254 on Spine2.

B. Delete the bidir keyword from ip pim rp address command on Spine1.

C. Configure the IP pim ssm range 232.0.0.0/8 on Spine1.

D. Modify the subnet mask of Loopback 254 to /30 on Spine2.

正解：A 解答を投票する

出題：10

Refer to the exhibit. An engineer is performing a health check on ACI.
Which statement about interface Ethernet 1/11 is true?

A. "out-of-service" is the default interface status in ACI.

B. The interface is working correctly and fully operational, but it is not in use.

C. "out-of-service" indicates that no service graph is in use for this interface.

D. The interface policy is misconfigured.

正解：D 解答を投票する

出題：11

Cisco Unified Computing System Manager raises a critical error message that indicates that the system has overlapping Ethernet and FCoE VLANs. All of the Ethernet traffic on the overlapping VLANs drops. Which action resolves the issue?

A. Set the FCoE VLAN as the native VLAN on server uplinks.

B. Change the PIN groups on the vHBAs.

C. Modify the VLAN assignment to vNICs.

D. Modify the FCoE VLAN.

正解：D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：12

An engineer removes a VMM domain from an endpoint group called EPG-1, but the distributed port group fails to be deleted. Which action must be taken to resolve the issue?

A. Remove the remaining EPGs from the VMM domain.

B. Migrate all virtual machines in the EPG-1 to different port groups.

C. Remove the port group manually.

D. Migrate all virtual machines in the EPG-1 to different hypervisors.

正解：B 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：13

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. 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. Configure the IP address on the interface.

正解：A,D 解答を投票する

解説: (GoShiken メンバーにのみ表示されます)

出題：14

After removing a VMM domain from an EPG, you discover that the associated virtual port groups remain in the VMware vCenter configuration. What causes the virtual port groups to persist in the configuration?

A. The port groups are being used by a virtual machine network adapter.

B. The MAC addresses that are learned by the ports of the leaf switches are incorrect

C. There is a mismatch between the data center name in vCenter and the VMM controller policy.

D. The MAC addresses that are learned by the ports of the spine switches are incorrect.

正解：A 解答を投票する

300-615試験無料問題集「Cisco Troubleshooting Cisco Data Center Infrastructure 認定」