70-483 Q&A / Study Guide / Videos / Testing Engine

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QUESTION 1
You work as a senior developer at Certkingdom.com. The Certkingdom.com network consists of a single domain named Certkingdom.com.
You are running a training exercise for junior developers. You are currently discussing the use of
the Queue <T> collection type.
Which of the following is TRUE with regards to the Queue <T>collection type?

A. It represents a first in, first out (FIFO) collection of objects.
B. It represents a last in, first out (LIFO) collection of objects.
C. It represents a collection of key/value pairs that are sorted by key based on the associated
IComparer<T> implementation.
D. It represents a list of objects that can be accessed by index.

Answer: A

Explanation:

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QUESTION 2
You work as a developer at Certkingdom.com. The Certkingdom.com network consists of a single domain named Certkingdom.com.
You have written the following code segment:
int[] filteredEmployeeIds = employeeIds.Distinct().Where(value => value !=
employeeIdToRemove).OrderByDescending(x => x).ToArray();
Which of the following describes reasons for writing this code? (Choose two.)

A. To sort the array in order from the highest value to the lowest value.
B. To sort the array in order from the lowest value to the highest value.
C. To remove duplicate integers from the employeeIds array.
D. To remove all integers from the employeeIds array.

Answer: A,C

Explanation:

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QUESTION 3
You work as a senior developer at Certkingdom.com. The Certkingdom.com network consists of a single domain
named Certkingdom.com.
You are running a training exercise for junior developers. You are currently discussing the use of a
method that moves the SqlDataReader on to the subsequent record.
Which of the following is the SqlDataReader method that allows for this?

A. The Read method.
B. The Next method.
C. The Result method.
D. The NextResult method.

Answer: A

Explanation:

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QUESTION 4
You work as a developer at Certkingdom.com. The Certkingdom.com network consists of a single domain named Certkingdom.com.
You have received instructions to create a custom collection for Certkingdom.com. Objects in the
collection must be processed via a foreach loop.
Which of the following is TRUE with regards to the required code?

A. The code should implement the ICollection interface.
B. The code should implement the IComparer interface.
C. The code should implement the IEnumerable interface.
D. The code should implement the IEnumerator interface.

Answer: C

Explanation:

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QUESTION 5
You work as a senior developer at Certkingdom.com. The Certkingdom.com network consists of a single domain named Certkingdom.com.
You are running a training exercise for junior developers. You are currently discussing the use of LINQ queries.
Which of the following is NOT considered a distinct action of a LINQ query?

A. Creating the query.
B. Obtaining the data source.
C. Creating the data source.
D. Executing the query.

Answer: C

Explanation:

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