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Fill in the blanks: "To ensure failover capabilities, consider using a _____ for incoming traffic on a ne

Fill in the blanks: “To ensure failover capabilities, consider using a _____ for incoming traffic on a network
interface”.

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A.
primary public IP

B.
secondary private IP

C.
secondary public IP

D.
add on secondary IP

10 Comments on “Fill in the blanks: "To ensure failover capabilities, consider using a _____ for incoming traffic on a ne

  1. diablo says:

    ans> B

    To ensure failover capabilities, consider using a secondary private IP for incoming traffic on an elastic
    network interface. In the event of an instance failure, you can move the interface and/or secondary private
    IP address to a standby instance




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  2. RP says:

    The question does not indicate if it is private or public network/interface.
    So the response should also be generic.

    D sounds more appropriate




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    1. RP says:

      Have been reading the responses from “networkmanagers”. Many of users in the following posts have suggested to ignore these response.
      Better to verify once before considering.




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  3. W M Stair says:

    B “secondary private IP” is the correct answer… because it’s the only answer that makes sense. The question is confusing because there are FAR better ways of implementing failover… but it’s the only answer that makes sense.

    “To ensure failover capabilities, consider using a _____ for incoming traffic on a network
    interface”.

    A. primary public IP <== INCORRECT… using a "primary public IP" is the norm and has no bearing on failover.

    B. secondary private IP <== CORRECT… bizarre but correct… You COULD set up failover as follows (for example): (1) set up a "secondary private IP" on your host, (2) associate the "incoming traffic" EIP with that "secondary private IP", (3) Run a "failover" on a "failover host" which will transfers the secondary ENI to itself should the primary host's primary IP go down.

    C. secondary public IP <== INCORRECT. Adding a secondary public IP does nothing for failover.

    D. add on secondary IP <== INCORRECT. I'm not even sure it's possible to just add a secondary IP address (without a secondary ENI), but if it is possible it won't help failover because the EPI won't be associated with it.




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