You need to configure the DNS server to allow delivery of e-mail messages. Which four actions should you perform?()A、Create a host (A) resource record for EX1.fourthcoffee.com on the internal DNS ServerB、Create a host (A) resource record for EX1.fourthcoffee.com on the external DNS ServerC、Create a host (A) resource record for EX3.fourthcoffee.com on the internal DNS ServerD、Create a host (A) resource record for EX3.fourthcoffee.com on the external DNS ServerE、Create a mail exchange (MX) resource record for EX1.fourthcoffee.com on the external DNS server. Set the preference to 10F、Create a mail exchanger (MX) resource record for EX1.fourthcoffee.com on the internal DNS server. Set the preference to 10G、Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the external DNS server. Set the preference to 20H、Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the internal DNS server. Set the preference to 20

You need to configure the DNS server to allow delivery of e-mail messages. Which four actions should you perform?()

  • A、Create a host (A) resource record for EX1.fourthcoffee.com on the internal DNS Server
  • B、Create a host (A) resource record for EX1.fourthcoffee.com on the external DNS Server
  • C、Create a host (A) resource record for EX3.fourthcoffee.com on the internal DNS Server
  • D、Create a host (A) resource record for EX3.fourthcoffee.com on the external DNS Server
  • E、Create a mail exchange (MX) resource record for EX1.fourthcoffee.com on the external DNS server. Set the preference to 10
  • F、Create a mail exchanger (MX) resource record for EX1.fourthcoffee.com on the internal DNS server. Set the preference to 10
  • G、Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the external DNS server. Set the preference to 20
  • H、Create a mail exchanger (MX) resource record for EX3.fourthcoffee.com on the internal DNS server. Set the preference to 20

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问答题What kind of knowledge do you need to have if you say you know a word?