单项选择题

A technician needs to check which ports are open in the Windows Firewall. Which of the following willallow the technician to view these settings?（）

A. netsh firewall show logging
B. ipconfig /all
C. netsh firewall show state
D. arp -a

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热门试题

单项选择题

A user reports they can no longer change the web browser home page. Which of the following is MOSTlikely the problem? （）

A. They are using the wrong WEP key.
B. They have been infected with malware.
C. They have lost Internet connectivity.
D. They need to update their network device drivers.

单项选择题

A user states they receive a message Boot device not found half of the time they boot their system.Which of the following is the MOST likely cause? （）

A. A dead CMOS battery
B. The OS is not installed on the hard drive
C. A faulty RAM
D. A faulty HDD connection