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CCNP Data Center 300-615試験と認定テストエンジン
Cisco 300-615 認定試験の出題範囲：
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質問 29
An engineer is troubleshooting a fabric discovery failure. Which two requirements must an engineer verify about switch connectivity to solve the problem? (Choose two.)
- A. A Cisco APIC must be attached to a spine node only.
- B. A Cisco APIC must be dual-attached to two separate spine nodes.
- C. Leaf nodes must connect to spine nodes only.
- D. A Cisco APIC must be attached to leaf nodes.
- E. Spine nodes must connect to other spine nodes.
正解: C,D
解説:
Section: Network
質問 30 
Refer to the exhibit. Sw1 and Sw2 are Cisco Nexus 9000 Series Switches that run Cisco NX-OS. They are VTEPs in the same vPC domain. What occurs in this scenario?
- A. Sw1 drops all traffic because there is no (S, G) OIF list to encapsulate VXLAN multicast packets and send them to the underlay network through the uplink interfaces.
- B. Sw1 and Sw2 perform the VXLAN multicast encapsulation and decapsulation for all traffic that is associated with the VXLAN VNIs, depending on the hashing.
- C. Sw1 performs the VXLAN multicast encapsulation and decapsulation for all traffic associated with the VXLAN VNIs.
- D. Sw2 does not send an IP PIM register to the rendezvous point for the multicast group of the VXLAN VNI.
正解: C
解説:
Section: Network
質問 31 
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?
- A. Update the Python packages on the Cisco Nexus switch directly.
- B. Manually configure NTP in the Guest shell.
- C. Manually configure DNS in the Guest shell, even if it is claimed on the Cisco Nexus switch through DHCP.
- D. Connect Guest shell to data plane interfaces to be able to connect to the networks outside the Cisco Nexus switch.
正解: C
解説:
Section: Network
質問 32
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. Trunk mode must be activated.
- B. The interface is in an incorrect mode.
- C. The SFP is unsupported.
- D. VSAN 1 is suspended.
正解: A
質問 33
The Cisco Nexus switch is connected to a peer switch that is not running Cisco NX-OS. The switches are connected using port channel and are experiencing packet loss. Which action should be performed on the Cisco Nexus switch ports to resolve this issue?
- A. Turn off lacp graceful-convergence.
- B. Turn on lacp suspend-individual.
- C. Turn off lacp suspend-individual.
- D. Turn on lacp graceful-convergence.
正解: A
解説:
Section: Network
質問 34
A network administrator attempts to install an application in the Cisco NX-OS Guest shell and receives an error that there is not enough space on the disk. Which command must the administrator run to increase the disk space available in the Guest shell?
- A. guestshell resize rootfs [size-in-MB]
- B. guestshell growdisk rootfs [size-in-MB]
- C. guestshell pvextend rootfs [size-in-MB]
- D. guestshell resize2fs rootfs [size-in-MB]
正解: A
質問 35
Refer to the exhibit.
The vPC between switcM and switch2 does not work. Which two actions resolve the problem? (Choose two.)
- A. Configure the IP address on the interface.
- B. Configure one of the switches as primary for the vPC.
- C. Correct the configuration of the vPC peer link and the vPC peer keepalive.
- D. Activate VLANs on the vPC.
- E. Match the vPC domain ID between the two devices.
正解: A,C
質問 36
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 FC.
- B. Port 15 is missing a license.
- C. The polarity of the fiber cable is reversed.
- D. Port 15 is configured as an Ethernet port.
正解: A
質問 37
Refer to the exhibit.
The vPC between switch1 and switch2 does not work. Which two actions resolve the problem? (Choose two.)
- A. Configure one of the switches as primary for the vPC.
- B. Correct the configuration of the vPC peer link and the vPC peer keepalive.
- C. Activate VLANs on the vPC.
- D. Configure the IP address on the interface.
- E. Match the vPC domain ID between the two devices.
正解: B,E
解説:
Explanation
Both "vPC peer link" and "Peer keepalive link" are down. So, D is correct.
SW1 is using vPC domain ID 500, which SW2 is using 20. They must match. So, E is correct.
質問 38
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?
- A. Disable the telemetry feature
- B. Disable the inband-telemetry feature
- C. Disable the hardware-telemetry feature
- D. Disable the software-telemetry feature
正解: C
解説:
Explanation
https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/93x/progammability/guide/b-cisco-nex
質問 39
Refer to the exhibit.
A new Cisco Nexus 5548 Switch connects to a network. SAN switching is configured on the switch. The switch fc2/10 NP uplink is shown in the exhibit. Which action ensures that fc2/10 is in an up state?
- A. Replace the SFP port module in fc2/10.
- B. Configure the admin port type E on the upstream switch that connects the port.
- C. Enable NPIV on the upstream switch that connects the port.
- D. Configure the BB_credit buffers on the upstream switch that connects the port.
正解: C
質問 40
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. Only new connections use the new uplinks automatically.
- B. All connections must be reset before the new uplinks can be used.
- C. New and existing connections use the new uplinks automatically.
- D. Paths must be defined before new connections can use the new uplinks.
正解: C
質問 41
Refer to the exhibit.
Sw1 and Sw2 are two Cisco Nexus 9000 Series Switches that run Cisco NX-OS. They are VTEPs in the same vPC domain. Which statement describes what happens in this scenario?
- A. Sw1 performs the VxLAN multicast encapsulation and decapsulation for all traffic associated with the VxLAN VNIs.
- B. Sw1 drops all traffic because there is no (S, G) OIF list to encapsulate VXLAN multicast packets and send them out to the underlay network through the uplink interfaces.
- C. Sw2 did not send an IP PIM register to the rendezvous point for the multicast group of the VXLAN VNI.
- D. Sw1 and switch 2 perform the VxLAN multicast encapsulation and decapsulation for all traffic associated with the VxLAN VNIs, depending on the hashing.
正解: A
質問 42
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. Delete and reconfigure the pWWN of the SAN boot target
- B. Delete and reconfigure the boot LUN
- C. Remove all of the local storage that is installed
- D. Remove all of the ISO images that are mounted as a virtual CD-ROM
正解: C
質問 43 
Refer to the exhibit. An OSPF adjacency between Router-A and Router-B cannot reach the FULL state. Which action resolves the issue?
- A. Set the OSPF media type to point-to-point.
- B. Disable the check of the MTU value.
- C. Adjust the MTU on Router-A to 1600.
- D. Adjust the MTU on Router-B to 1604.
正解: B
解説:
Section: Network
質問 44
Refer to the exhibit.
An engineer troubleshoots the HSRP configuration and notes that the remote end uses HSRP version 1. The engineer sets the local HSRP to version 1, but the problem continues. Which action resolves the issue?
- A. Run version 1 and version 2 HSRP on VLAN300 in the local data center.
- B. Reduce the priority of the local HSRP to below 100 to force the local HSRP to standby and then change the version to version 1.
- C. Change the local group number to 255 or less and request that the remote data center matches the group member in its configuration.
- D. Set the local group number as 300 in the remote data center configuration
正解: C
解説:
Explanation
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/ipapp_fhrp/configuration/xe-16/fhp-xe-16-book/fhp-hsrp-v2.p
質問 45
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?
- A. Build a new service profile with the desired network configuration
- B. Add the disjoint Layer 2 VLANs to an existing vNIC rather than adding new vNICs
- C. Remove all existing vNICs and add them in the desired order.
- D. Create a vNIC placement policy to avoid adapter renumbering
正解: D
質問 46
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.)
- A. Equipment FSM page, InternalBackup stage
- B. Admin page, InternalBackup stage.
- C. Equipment FSM page, PollInternalBackup stage
- D. Admin page, PollInternalBackup stage
- E. Service profiles page, InternalBackup stage
正解: A,D
解説:
Section: Management and Operations
Explanation/Reference:
質問 47
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 Cisco Nexus switch must be configured with one applet because a configuration with two applets will fail.
- C. The Cron entry must be configured without double quotes.
- D. The applet called "Backup" must include an action to remove the current static route.
正解: D
質問 48
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