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6 Cards in this Set
- Front
- Back
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Describe the four methods in which OUTGOING traffic can be distributed amongst the network adapters
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Route based on the originating port ID (default)
Route based on IP hash - uplink is chosen based on a hash of the source and destination IP address of each packet. This is the only load balancing option that supports EtherChannel or LACP Route based on source MAC Hash - Uplink is chosen based on a hash of the source Ethernet address Route based on physical NIC load (only on vDS) - takes the virtual machine network I/O load into account and dynamically reassigning and balancing the virtual switch port The first three are static mappings |
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Describe the two network failover detection methods
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Link Status Only - relies solely on the link status that the network adapter provides. Detects physical failures but not upstream physical or logical issues
Beacon Probing - Sends out and listens for beacon probes on all NICs in the team and uses this along with Link Status to determine link failure. Not necessarily a good idea when using two NICs |
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Describe the two options for the Notify Switches configuration
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Yes - When a virtual NIC is routed to a different phsyical network this will notify the physical switches to update their lookup tables, desireable in almost all cases
No - Not normally desired but is required when using NLB in unicast mode |
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Describe the two failback options
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Yes - The adapter returns to active duty immediately, displacing the standby adapter
No - The failed adapter is left inactive until another currently adapter fails |
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Describe the two types of port group
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Standard port group - spans port groups within a standard switch on a single host
Distributed port group - May span ports across many hosts |
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Describe the two methods in which a port is attached to a host
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Ephemeral - port is attached to each ONLINE connected virtual machine
Static - port is attached to every virtual machine regardless of power state. Static ports do not support oversubscription |
