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When installing a wireless access point, which of the following should the technician perform FIRST?（）

A. Enable MAC filtering.
B. Download and install the latest firmware.
C. Disable DHCP.
D. Change the default password.

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Which of the following commands will map a shared network drive?（）

A.SFC
B.NSLOOKUP
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Which of the following uses port 110 by default?（）

A.SMTP
B.IMAP
C.POP3
D.SNMP

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