When a Cisco IOS gatekeeper receives an LRQ, what is the first step it will take in an attempt to resolve the destination address?

When a Cisco IOS gatekeeper receives an LRQ, what is the first step it will take in an attempt to resolve the destination address?
A. Check to see if the LRQ reject-unknown-prefix flag is set.
B. Check to see if the destination address matches the technology prefix.
C. Check to see if the destination address matches the hop-off technology prefix.
D. Check to see if the destination address matches the remote zone prefix.
E. Check to see if the LRQ forward-queries flag is set.

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  1. Resolution for LRQ Messages
    When a gatekeeper receives an LRQ message from a gateway, it performs either of the following steps:

    ‘If a hopoff technology prefix is found in the Location Request and the destination zone is not local, the gatekeeper sends an LRQ message, if the lrq forward-queries command is set.

    If there is no technology prefix or the technology prefix is not a hopoff technology prefix, the gatekeeper uses the exact E.164 alias in the LRQ message to search its zone prefix table and the registered E.164 aliases.

    If no match is found and the lrq reject-unknown prefix command is set, the gatekeeper sends a location reject (LRJ)
    message.

    If a match is found and the destination zone is a remote zone, and the lrq forward-queries command is set, the
    gatekeeper sends an LRQ message to the destination zone.

    If the destination zone is local and the destination address is registered, the gatekeeper sends a location confirm
    (LCF) message.

    If the destination zone is local and the destination address is not registered but the local gateway is found with the
    specified technology prefix or the default technology prefix, the gatekeeper sends an LCF message. If no local
    gateway with the specified technology prefix is found, the gatekeeper sends an LRJ message.

    If the destination zone is local and the destination address is not registered, and there is no matching technology
    prefix and no default technology prefix is set, the gatekeeper sends an LRJ message.

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