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單項選擇題

Refer to the exhibit. Router RTA has been configured as a DHCP server. The two debug commands will generate output on RTA when Ho st A requests an IP address. Which set of DHCPD debug messages is in the correct sequence?()

A.DHCPD: Sending DHCPOFFER to client  DHCPD: DHCPDISCOVER received from client  DHCPD: DHCPREQUEST received from client  DHCPD: Sending DHCPACK to client
B.DH CPD: DHCPDISCOVER received from client  DHCPD: DHCPREQUEST received from client  DHCPD: Sending DHCPOFFER to client  DHCPD: Sending DHCPACK to client
C.DHCPD: DHCPDISCOVER received from client  DHCPD: Sending DHCPOFFER to client  DHCPD: DHCPREQUEST received from client  DHCPD: Sending DHCPACK to client
D.DHCPD: DHCPREQUEST received from client  DHCPD: Sending DHCPOFFER to client  DHCPD: DHCPDISCOVER received from client  DHCPD: Sending DHCPACK to client
E.DHCPD: Sending DHCPACK to client  DHCPD: DHCPD ISCOVER received from client  DHCPD: Sending DHCPOFFER to client  DHCPD: DHCPREQUEST received from client
F.DHCPD: DHCPDISCOVER received from client  DHCPD: Sending DHCPACK to client  DHCPD: Sending DHCPOFFER to client  DHCPD: DHCPREQUEST received from client

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