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12 Cards in this Set
- Front
- Back
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Describe how vSphere Distributed Switch settings are configured and how they are distributed to hosts
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vSphere Distributed Switch configuration is done within vCenter Server and saved in the vCenter Server database.
A cached copy is maintained on each host and this is updated very 5 minutes |
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Describe the features that are common to vSphere Standard Switches and vSphere Distributed Switches
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Can forward layer two frames
Can segment traffic into VLANs Can use and understand 802.1q VLAN encapsulation Can have more than one uplink (NIC teaming) Can shape OUTBOUND network traffic |
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Describe the features that are only available on a vSphere Distributed Switch
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Can shape INBOUND traffic
Supports PVLANs Supports Netflow for inter-vm traffic monitoring Supports port mirroring Support for Link Layer Discovery Protocol |
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How do you configure the different types of port binding on a vSphere Distributed Switch
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Home > Inventory > Network
vSphere Distributed Swithc > Edit Settings General > Port Binding Choose the appropriate port binding type |
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Describe Auto Expand
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Auto Expand is a new advanced option for a distributed port group that allows, when using static binding to automatically increase the number of ports by a pre-defined amount (10) when it is about to run out of ports
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At a high level describe NIOC
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Enables an administrator to guarantee bandwidth for different types of network traffic. This is critical in 10GbE environments with multiple traffic types sharing the same connection
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What traffic types can be managed by NIOC
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Virtual Machine traffic
Management traffic iSCSI traffic NFS traffic FT traffic vMotion traffic vSphere Replication traffic User Defined traffic |
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How do you enable NIOC
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Home > Inventory > Network
vSphere Distributed Switch > Resource Allocation Properties link > Enabled NIOC for the vDS |
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What are the three methods by which network resource traffic can be prioritised
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Physical adapter shares - prioritise access to physical NICs when contention arises, values can be low, normal, high and custom
Host Limit - Places a cap on the amount of network bandwidth (Mbps) that a particular resource pool has access to QoS priority tags - Quality of Service tag (802.1p) is associated with all outgoing packets. The default setting is none and a value between 1 and 7 is configurable |
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How do you edit an existing network resource pool
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Home > Inventory > Networking
vSphere Distributed Switch > Resource Allocation Desired Resource Pool > Edit Settings Make the appropriate changes |
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How do you create a new user-defined network resource pool?
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Home > Inventory > Networking
vSphere Distributed Switch > Resource Allocation New Network Resource Pool Enter the appropriate details |
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How do you associate a user-defined resource pool with a distributed port group
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Home > Inventory > Network
Distributed Port Group > Edit Settings Resource Allocation > Network Resource Pool |
