A domain's ____ settings must be configured correctly so that the mail transfer agent (MTA) can establish a connection with a remote MTA.
A. DHCP
B. DNS
C. IP
D. SMTP
Answer: B
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The read system call, used on a terminal in non-blocking mode
A. returns 0 if no characters are available B. returns -1 if no characters are available
A total row appears as the last row of a table to
A) display summary statistics, such as a sum. B) highlight or emphasize cells that meet certain conditions. C) tag a table element as a reference in a formula. D) format cells based upon their value in reference to the value of other cells.
Case 8-1Alex is creating a GUI-based program using the model/view/controller pattern.Alex uses a ____ class to inform a listener attached to a button that a user has clicked it.
A. model B. view C. controller D. application
A company is in the middle of an operating system update to Windows 10 from Windows XP, Windows 7, and Windows 8.x. The diverse nature of the update has made it imperative that the help desk techs have the ability to run several concurrent VMs. A few of the techs are experiencing frequent and extended periods of 100% CPU usage on their computers, and these spikes are limiting their ability to assist users in a timely manner. Which of the following is most likely causing this behavior?
A. Insufficient number of physical processor cores. B. Disabled hardware-assisted virtualization. C. Dynamic allocation of RAM is disabled. D. One or more VHDs are running out of free disk space.