单项选择题

After installing a new video card, the computer loads Windows and continuously reboots. Which of the following would be the FIRST step that a technician should take?（）

A. Run CHKDSK
B. Boot to ERD
C. Run MSCONFIG
D. Go into Safe Mode

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单项选择题

A user is browsing to a newly created internal site called www.comptia.org. After putting incredentials the page comes up blank. Which of the following is MOST likely the cause?（）

A. The user must add the new site to the local log file.
B. A proxy exception has not been configured.
C. SMTP has not been configured.
D. The loopback address has not been configured.

单项选择题

Under which of the following circumstances would a technician use IPCONFIG /RENEW?（）

A. After an unsuccessful reboot
B. If a user’s IP address has been spoofed
C. After using IPCONFIG /RELEASE
D. If the computer has an ARP address conflict

单项选择题

A user states that email is not being received. Which of the following protocols should thetechnician check for incoming mail?（）

A.SMTP
B.POP3
C.NNTP
D.HTTP