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Vendor: Microsoft
Exam Code: 70-483
Exam Name: Microsoft Programming in C#
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QUESTION 211
Which of the following regular expressions matches license plate values that must include three uppercase letters followed by a space and three digits, or three digits followed by a space and three uppercase letters?
A. (^\d{3} [A-Z]{3}$)|(^[A-Z]{3} \d{3}$)
B. ^\d{3} [A-Z]{3} [A-Z]{3} \d{3}$
C. ^\w{3} \d{3}|\d{3} \w{3}$
D. ^(\d{3} [A-Z]{3})?$
Answer: A
QUESTION 212
Which of the following statements about assertions is true?
A. The Debug.Assert method is ignored in release builds.
B. The program must continue running even if a Debug.Assert method stops the program.
C. When an assertion fails in debug builds, the Debug.Assert method lets you halt, debug the program, or continue running.
D. All the above.
Answer: D
QUESTION 213
Which of the following statements about the Debug and Trace classes is true?
A. The Debug class generates messages if DEBUG is defined.
The Trace class generates messages if both DEBUG and TRACE are defined.
B. The Debug class generates messages if DEBUG is defined.
The Trace class generates messages if TRACE is defined.
C. The Debug and Trace classes both generate messages if DEBUG is defined.
D. The Debug and Trace classes both generate messages if TRACE is defined.
Answer: B
QUESTION 214
Which of the following statements about builds is true by default?
A. Debug builds define the DEBUG symbol.
B. Debug builds define the TRACE symbol.
C. Release builds define the DEBUG symbol.
D. Release builds define the TRACE symbol.
E. Release builds define the RELEASE symbol.
Answer: ABD
QUESTION 215
Which of the following statements about PDB files is false?
A. You need a PDB file to debug a compiled executable.
B. You can use a PDB file to debug any version of a compiled executable.
C. The “full” PDB file contains more information than a “pdb-only” PDB file.
D. If you set the PDB file type to None, Visual Studio doesn’t create a PDB file.
Answer: B
QUESTION 216
Which of the following statements about tracing and logging is false?
A. Tracing is the process of instrumenting a program to track what it is doing.
B. Logging is the process of making the program record key events in a log file.
C. You can use DEBUG and TRACE statements to trace or log a program’s execution.
D. A program cannot write events into the system’s event logs, so you can see them in the Event Viewer.
Answer: D
QUESTION 217
Which of the following methods would probably be the easiest way to find bottlenecks in a program if you had no idea where to look?
A. Use an automatic profiler.
B. Instrument the code by hand.
C. Use performance counters.
D. Set breakpoints throughout the code and step through execution.
Answer: A
QUESTION 218
What of the following is the best use of performance counters?
A. To determine which of a program’s methods use the most CPU time.
B. To determine how often a particular operation is occurring on the system as a whole.
C. To determine how often a particular operation is occurring in a particular executing instance of a program.
D. To find the deepest path of execution in a program’s call tree.
Answer: B
QUESTION 219
You are given an assignment to create a code generator to automate the task of creating repetitive code. Which namespace contains the types needed to generate code?
A. System.Reflection
B. CodeDom
C. Reflection
D. System.CodeDom
Answer: D
QUESTION 220
Which code can create a lambda expression?
A. delegate x = x => 5 + 5;
B. delegate MySub(double x); MySub ms = delegate(double y) { y *y; }
C. x => x * x;
D. delegate MySub(); MySub ms = x * x;
Answer: C
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