Implementing and Operating Cisco Data Center Core Technologies (DCCOR)504 questions across 51 pages are complete and free, with no account or card.
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An engineer is deploying a VXLAN EVPN environment for a customer. The customer’s environment suffers from a large amount of flooding related to hosts attempting to resolve the MAC to IP mapping on the network segment. Which feature prevents this issue from happening in the future?
Answer: A
An engineer must allow communication between the APIC controller and an OpenStack OpFlex agent. The agent is running on a compute node directly plugged to a Cisco ACI leaf switch. The engineer must enable and extend Infra VLAN on the port facing the compute and extend the Infra VLAN to the host. Which action must be taken to meet these requirements?
Answer: C
DRAG DROP - An engineer configures the NetFlow feature on a Cisco NX-OS device. The requirement is to reduce the amount of export data collected by using a sampler. Drag and drop the NetFlow configuration steps from the left onto the implementation needed to meet these requirements on the right. Not all steps are used.
This is an interactive task on the real exam — a drag-and-drop, hotspot or ordering question. There is nothing to select here, so the answer is shown below for reference.
An engineer must perform backup and restore of the Cisco UCS Manager configuration. The configuration must be stored on a remote server via XML encoding. The backup must store the configurations of the chassis, FEX, rack servers, IOMs, and blade server. Which set of actions accomplishes these goals?
Answer: D
I'd say B, full configuration: ''You can use the file generated from this backup to restore the system during disaster recovery. ''. Other files cannot be used for system restore. https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-manager/GUI-User-Guides/Admin-Management/4-1/b_Cisco_UCS_Admin_Mgmt_Guide_4-1/m_backup_and_restore_configuration.html#task_D97990B1ED0F4BCB8469D5A671774B5D But the issue is that in the question it is mentioned that the XML encoding shold be used, and the full sate is binary.... Even here the Full state is mentioned : https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/ucs-central/install-upgrade/2-0/b_Cisco_UCSC_Install_and_Upgrade_Guide_2_0.pdf
Source: Adapted from community discussion — RFV147
An engineer performs a Cisco UCS C480 ML M5 installation from a Cisco UCS Manager. As a part of the design, the server must perform an iSCSI boot from the storage array. Which configuration must be performed in the SAN settings in the root organization to satisfy that condition?
Answer: B
Although both iSCSI vNIC and IQN suffix pool needs to be created to complete this task, the question specifically asks for the configuration that must be performed under SAN settings. Creating the IQN suffix pool is done under SAN > Pools, whereas the vNIC is created under Servers > Service Profiles. I think the key word here is "SAN settings". Based on that, I would choose answer [B] here. Reference: https://www.cisco.com/c/en/us/td/docs/unified_computing/ucs/sw/gui/config/guide/2-0/b_UCSM_GUI_Configuration_Guide_2_0/b_UCSM_GUI_Configuration_Guide_2_0_chapter_011101.html#concept_D7BF302366F24CF5A602B0E0BD18787C
Source: Adapted from community discussion — PacketLife
An engineer must recover the Cisco UCS system. The full backup is available on a backup SCP server. Which set of actions recovers the configuration of the Cisco UCS Manager?
Answer: C
Full state—A binary file that includes a snapshot of the entire system. You can use the file generated from this backup to restore the system during disaster recovery. This file can restore or rebuild the configuration on the original fabric interconnect, or recreate the configuration on a different fabric interconnect. You cannot use this file for an import https://www.cisco.com/en/US/docs/unified_computing/ucs/sw/gui/config/guide/141/UCSM_GUI_Configuration_Guide_141_chapter43.html
Source: Adapted from community discussion — 7korn7
An engineer is implementing OTV on a transport that supports multicast. The solution needs to meet the following requirements: ✑ Establish adjacency to the remote peer by using multicast. Enable OTV advertisements for VLAN 100 to the other site.
Which two commands should be configured to meet these requirements? (Choose two.)
Answer: AE
The correct answers would be A, E. The otv data-group command is used to pass the data multicast traffic if there's any. While otv control-group is used to form an adjacency with other TEPs. otv extend command is used to enable OTV advertisements for this vlan,
Source: Adapted from community discussion — kkkk_56
An engineer created a service profile in Cisco UCS Manager and associated it to a server. The engineer must create a policy if there is a disruptive change applied to the service profile. Which policy type must be used to accomplish this goal?
Answer: D
An engineer must configure a VDS port group using APIC policy. The requirements are for the frames to be mapped to a particular Layer 2 network and for the virtual machine assigned to the port group to receive all frames passed on the virtual switch. Which two settings must be used to meet these requirements? (Choose two.)
Answer: AD
Which Cisco HyperFlex ability adds compute or storage-only nodes as required?
Answer: B
The ability of Cisco HyperFlex that allows adding compute or storage-only nodes as required is option B: independent resource scaling.
Source: Adapted from community discussion — Rocky_Truth
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