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What is the impact of an EPLD upgrade on a Cisco MDS 9000 Series Switch?

  1. The standby supervisor module reloads multiple times.
  2. The active supervisor traffic is disrupted.
  3. The upgrade process disrupts only the module that is being upgraded.
  4. The upgrade disrupts the management connectivity to the switch.

Answer(s): C

Explanation:

When you upgrade or downgrade the EPLDs, observe the following guidelines and limitations:
* You can upgrade each module only when it is online. The EPLD upgrade is only disruptive to the module being upgraded.
* If you interrupt an EPLD upgrade or downgrade, the module must be upgraded again.
* In Cisco MDS 9000 Director Switches, EPLD upgrade or downgrade can only be executed from the active supervisor module. To upgrade the supervisor
EPLDs nondisruptively, upgrade the standby supervisor and then switchover. After the new standby supervisor is online its EPLDs can be upgraded.
* In Cisco MDS 9000 Series Fabric Switches, be sure to specify 1 as the module number. The switch must be power cycled for the EPLDs to start running the new code.


Reference:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/mds9000/sw/8_x/release_notes/epld/epld_rn_8x.html



An engineer must implement the FCoE on the Cisco Nexus 9000 Series Switch-based infrastructure. The deployment will contain dual-homed fabric extenders and must support jumbo frames with port channels. Which two sets of actions complete the configuration? (Choose two.)

  1. Create a virtual Fibre Channel Interface. Bind vFC to physical interface.
  2. Configure the interface with mtu 9516. Disable the feature NPIV.
  3. Create a dedicated VSAN for FEX. Bind VSAN to FEX uplinks.
  4. Execute fcoe enable-fex. Configure FEX uplinks with mtu 9216.
  5. Create a FCoE switch profile. Enable config sync.

Answer(s): A,D


Reference:

https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/92x/fcoe/configuration/guide/b-cisco-nexus-9000-nx-os-fcoe-configuration- guide-92x/b-cisco-nexus-9000-nx-os-fcoe-configuration-guide-92x_chapter_0100.pdf



Refer to the exhibit. A network engineer must configure port E1/31-32 to forward only storage server traffic of VLAN 200 on Cisco fabric interconnects A and B.
Port E1/31-32 is not reserved for any other traffic. Which port type must be configured to accomplish this goal?

  1. FCoE storage
  2. uplink
  3. unified uplink
  4. FCoE uplink

Answer(s): D

Explanation:

FCoE uplink ports are physical Ethernet interfaces between the fabric interconnects and the upstream Ethernet switch, used for carrying FCoE traffic. E1/31-32 is the link between the 2 switches and between switch and FI.



What is an advantage of NFS as compared to Fibre Channel?

  1. NFS removes the impact of IP overhead.
  2. NFS enables thin provisioning for LUNs.
  3. NFS provides direct access to the underlying storage hardware.
  4. NFS provides the dynamic allocation of storage capacity.

Answer(s): D

Explanation:

When we create VMs on the NFS-LUN, the wizard only lets you choose for Thin Provisioning, which is normal and good since we only use the datastore for templates.


Reference:

https://communities.vmware.com/t5/ESXi-Discussions/NFS-Thin-Provisioning-becomes-thick-after-creation/td-p/1296112






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