单项选择题

Which of the following should a technician do FIRST in the BIOS to set up drive encryption?（）

A. Enable eSATA support
B. Run built-in diagnostics
C. Enable TPM
D. Enable virtualization support

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单项选择题

A user calls about a problem with receiving email. After troubleshooting the user’s computer and finding nothing wrong, the technician contacts the email sender and finds out the user gave out their email address incorrectly. Which of the following is the BEST approach in explaining the issue to the user?（）

A. “Sometimes computers are just strange, but it seems to be working now.”
B. “You gave them the wrong address and caused this problem.”
C. “The sender had the e-mail address wrong, but they have it correct now and the problem has been resolved.”
D. “The SMTP server was not getting a proper resolution of the recipient name field when it was parsing the header.”

单项选择题

Which of the following features make using WPA2 versus WEP a BETTER choice in a wirelessenvironment?（）

A. Ability to use multiple antennas to send and receive
B. Ability to connect at a higher bandwidth
C. Use of AES 256-bit encryption
D. Lower traffic overhead makes transmissions faster

多项选择题

Which of the following are advantages of using Dynamic Host Configuration Protocol?（）

A. IP addresses can be managed from a central point
B. Computers can automatically get new addressing when moved to a different network segment
C. Media Access Control addresses can be changed automatically
D. The network speed can automatically adjust based on the type of traffic being generated
E. The HOSTS file on the computer can be validated for proper entries