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質問 # 78
An engineer is implementing a storage VDC, but fails. Which two prerequisites must be in place before a storage VDC is implemented? (Choose two.)
- A. M-Series module
- B. ESSENTIALS license
- C. STORAGE-ENT license
- D. FCoE license
- E. F-Series module
正解：D、E
質問 # 79
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.
正解：
解説：
質問 # 80
DRAG DROP
Drag and drop the Cisco UCS SNMP fault types from the left onto the correct issues on the right.
Select and Place:
正解：
解説：
Section: Compute Platforms
質問 # 81
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. Assign native VLAN 10 with fc2.'l - 2 and allow VLAN 10 in trunk configuration.
- B. Assign native VLAN 10 with vfc111 and allow VLAN 1101 in trunk configuration.
- C. Bind native VLAN 10 with Ethemet1/10 and allow VSAN 101 in trunk configuration.
- D. Bind native VLAN 10 with Ethemet10/1/1 and allow VLAN 10 in trunk configuration
正解：C
質問 # 82
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?
- A. Allow non-vPC VLANs on a second trunk between the two vPC peers
- B. Exclude the non-vPC VLANs from vPC peer link
- C. Add the non-vPC SVIs in the dual-active exclude VLAN list
- D. Configure a dedicated Layer 3 link between vPC peers
正解：C
質問 # 83
You have an ACI environment with three APICs, two spine switches, and four-leaf switches. You wipe and reboot all APICs first then leaf and spine switches one-by-one and successfully go through the Initial Setuo dialogue on the APIC 1 CIMC KVM console. When you log in to the APIC1 WebGUI, you notice that you do not see any directly connected leaf switches being discovered under Fabric > Inventory > Fabric Membership.
What is the cause of the issue?
- A. Rebooting the APICs and the leaf and spine switches after wiping them is not required.
- B. You forgot to enter the TEP Pool value during the Initial Setup dialogue on APIC1.
- C. The same Fabric Name value should be used before after wiping all devices.
- D. The leaf nodes were not erased properly, which caused a fabric parameters mismatch with the APIC1.
正解：B
質問 # 84
"A network engineer troubleshoots an issue at a Cisco data center environment with these conditions:
* The data center has Cisco Nexus 9000 Series Switches running the vPC setup.
* The gateway of the servers is an HSRP IP address between the VLAN interfaces configured on both Cisco Nexus switches.
* Some of the client application servers are implementing fast-path forwarding for the return traffic.
* Those servers are sending the return traffic to the VLAN interface MAC address instead of the HSRP MAC address.
The network engineer discovers that some traffic is dropped because it passes the vPC peer link to be forwarded out the vPC interface. What must be configured on the vPC switches to resolve the issue?
- A. spanning-tree
- B. peer-gateway
- C. arp synchronize
- D. peer-switch
正解：B
質問 # 85
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?
- A. action 2.0 event-default
- B. event policy-default count 1 time 100
- C. event syslog occurs 10
- D. event cli match `configure terminal'
正解：A
質問 # 86
Refer to the exhibit.
An engineer deploys SAN environment with two interconnected Cisco MDS 9000 Series switches. When the engineer attempts a zone merge, it fails with the error that is presented in the exhibit. Which action resolves the issue?
- A. Change the name of one of the zones to match the other zone set.
- B. Ensure that the zone members have different names.
- C. Import or export a zone set between the switches to synchronize the switches.
- D. Set the distribute policy of the zone to full.
正解：B
解説：
https://www.cisco.com/en/US/docs/storage/san_switches/mds9000/sw/rel_3_x/troubleshooting/guide/ts_guide.pdf
質問 # 87
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?
- A. Remove the HSRP configuration
- B. Enable the peer-gateway feature
- C. Replace HSRP with GLBP
- D. Configure ip arp synchronization on both switches.
正解：B
解説：
Explanation
I assume that the PC is sending traffic with destination MAC of Nexus physical interfaces. If more snap shots about this question are available, please share.
質問 # 88
Refer to the exhibit.
An engineer is investigating a role mapping issue on a switch. The users report that they cannot view the IP addresses under the tenant "corp". Which action resolves the issue?
- A. Add the users to the RADIUS server.
- B. Update the UNIX ID.
- C. Configure the correct secret password between the APIC and the RADIUS server.
- D. Add the updated avpair to include/corp/admin/
正解：C
質問 # 89
Refer to the exhibit.
Refer to the exhibit. A network engineer is troubleshooting a Cisco Nexus 5000 Series Switch. The interface between the server and the switch is nonoperational and is expected to operate at 10 Gbps. The drain rate of the interface is 3 Mbps. Which action resolves the issue?
- A. Enable link level pause on the interface
- B. Reset priority flow counters
- C. Set priority flow control pause
- D. Configure pause error-disable recovery
正解：D
解説：
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/troubleshooting/guide/ N5K_Troubleshooting_Guide/n5K_ts_fcoe.html
質問 # 90
The script fails to convert a JSON variable into a Python dictionary. Which action resolves the issue?
- A. Use a json.dumps(json_output) function
- B. Define a json_output as a YAML object, yaml json_output
- C. Fix the JSON syntax by modifying "attribures" to "attribures":
- D. Invoke a function yaml.loads(json._output ,decoder_"json")
正解：C
質問 # 91
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. Remove all of the ISO images that are mounted as a virtual CD-ROM
- B. Delete and reconfigure the boot LUN
- C. Delete and reconfigure the pWWN of the SAN boot target
- D. Remove all of the local storage that is installed
正解：D
質問 # 92
An engineer is troubleshooting a packet flow from an access leaf to spine. Which EVPN routes are expected on this connection?
- A. EVPN Type 0,9,15
- B. EVPN Type 1-5
- C. EVPN Type 0,16
- D. EVPN Type 9-15
正解：B
解説：
Section: Network
Explanation
質問 # 93
Refer to the exhibit.
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 ip arp synchronize under the VPC domain on both peers
- B. Configure a distributed anycast gateway 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
正解：C
解説：
Reference:
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/command/reference/vpc/n5k-vpc-cr/n5k-vpc_cmds_i.html#:~:text=a%20port%20profile.-,ip%20arp%20synchronize,no%20form%20of%20this%20command.
質問 # 94
Refer to the exhibit.
During implementation of a Cisco UCS C-Series Server, an engineer receives the status that is shown in the exhibit. Which action resolves the issue.
- A. Configure the RAID that is associated with the card.
- B. Reconfigure the Drive Type from "Removable" to "Non-Removable"
- C. Insert an SD card into SLOT-2
- D. Set SLOT-1 Sync Mode to "Auto"
正解：C
質問 # 95
Refer to the exhibit. 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?
- A. Remove the service pack and upgrade through the auto-install procedure
- B. Boot the kickstart image from boot flash and load the system image
- C. Reset the I/O module and install the firmware image from the boot flash
- D. Reload the switch and boot the kickstart image from the TFTP server
正解：D
質問 # 96
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. The interface is in an incorrect mode.
- B. Trunk mode must be activated.
- C. VSAN 1 is suspended.
- D. The SFP is unsupported.
正解：C
解説：
The interface VSAN is deleted or is in a suspended state.
To make the interface operational, assign that port to a configured and active VSAN.
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus5000/sw/san_switching/421_n1_1/b_Cisco_n5k_nxos_sanswitching_config_guide_rel421_n1_1/Cisco_n5k_nxos_sanswitching_ config_guide_rel421_n1_1_chapter3.html
質問 # 97 
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?
- A. Enable the peer-gateway feature.
- B. Replace HSRP with GLBP.
- C. Configure ip arp synchronization on both switches.
- D. Remove the HSRP configuration.
正解：A
解説：
Section: Network
Explanation
Explanation/Reference: https://community.cisco.com/t5/networking-documents/peer-gateway-feature-on-the-nexus-7000/ ta-p/3113290
質問 # 98
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 Cron entry must be configured without double quotes.
- C. The applet called "Backup" must include an action to remove the current static route.
- D. The Cisco Nexus switch must be configured with one applet because a configuration with two applets will fail.
正解：C
質問 # 99
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.
正解：
解説：
質問 # 100
An engineer discovers that an NPV/NPIV uplink experiences a heavy load and plans to add more uplinks. Which statement about what occurs when the new uplinks are added is true?
- A. New and existing connections use the new uplinks automatically.
- B. All connections must be reset before the new uplinks can be used.
- C. Paths must be defined before new connections can use the new uplinks.
- D. Only new connections use the new uplinks automatically.
正解：A
質問 # 101
......
Cisco 300-615試験は、広範囲な準備と学習が必要な難解な認定試験です。候補者はデータセンターテクノロジーの堅実な理解と、複雑なインフラストラクチャの問題をトラブルシューティングする実践的な経験が必要です。この試験に合格することは、彼らのスキルや知識を検証するだけでなく、データセンターネットワーキング分野での職業的な成長とキャリアアップに対する彼らのコミットメントを証明することになります。
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