A technician is at a small facility that has five computers connected to a central switch and accessing a single server for file and print sharing. One computer becomes unable to connect to the network, while the other four are still connecting properly. Which of the following could be causing the computer to not connect to the network?
A. The server has failed.
B. The computers OS needs to be updated.
C. The switch has failed.
D. The NIC has failed
Answer: D. The NIC has failed
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If you had to write a function named Func that was passed one integer and one double, and “returned” a string and a double, which of these prototypes would NOT work?
A. double Func(string *ps, int a, double d); B. void Func(int a, double b, string &rs, string &rd); C. string Func(double *pd, int a, double d); D. void Func(int a, double d, string s, double *pd);
A key can be a(n) ________ key that is nonnaturally occurring data that is visible to the user, such as sequential numbering from the AutoNumber data type
Fill in the blank(s) with correct word
Which of the following is not a common problem with antivirus protections?
A. Users may turn the AV off. B. Users may turn the AV off, the virus program contract may expire, and automatic updates of virus signatures might be inadvertently turned off. C. The virus program contract may expire D. Automatic updates of virus signatures might be inadvertently turned off.
A ____ column is a column that is not part of the primary key.
A. determinant B. candidate C. functional D. nonkey