What makes up the Domain Name System (DNS) root for the Internet?
What will be an ideal response?
The DNS root for the entire Internet consists of 13 powerful DNS server clusters scattered all over the world. They work as a team and are known collectively as the DNS root servers (or simply as the DNS root).
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Consider hierarchic locks as illustrated in Figure 16.26. What locks must be set when an appointment is assigned to a time-slot in week w, day d, at time, t? In what order should these locks be set? Does the order in which they are released matter? What locks must be set when the time slots for every day in week w are viewed? Can this be done when the locks for assigning an appointment to a time-slot are already set?
What will be an ideal response?
Use the headers attribute on the ___ tag to correspond to the id attribute on a
a.
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b.
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Case AC 2-2Jennifer is creating a new inventory management table for the pet store where she works. She is spending the time upfront to make sure the data types are all assigned correctly.Jennifer's boss asks her if they can include detailed descriptions of each item in the database. The descriptions would be approximately 5000 characters. For this field she assigns the ____ data type. A. Text
B. Memo
C. AutoNumber
D. Description
Potential visitors to a site are called its ____ audience. A. preferred
B. target
C. chosen
D. sample
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d.
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