Final Quest

Question 1

Deployment is the process of installing applications to the target systems.

Answer 1

T

Question 2

The application list describes the application and the permissions required by the application.

Answer 2

F

Question 3

What is a restriction accompanying ClickOnce deployment?

Answer 3

It cannot be used if you need to install shared components in the global assembly cache.

Question 4

What is deployment?

Answer 4

The process of installing applications to the target system.

Question 5

When using ClickOne, where is the application installed?

Answer 5

To the client.

Question 6

ASP.NET is a technology for dynamically creating web pages with server-side code.

Answer 6

T

Question 7

On the server system, ASP.Net runtime is NOT needed.

Answer 7

F

Question 8

What are two of the Page properties?

Answer 8

Request and Response.

Question 9

What is ASP.NET?

Answer 9

A technology for dynamically creating web pages with server-side code.

Question 10

What using ASP.NET in what form is code returned to the client?

Answer 10

HTML

Question 11

You can use Internet Explorer, Opera, Chrome, Firefox, Safari, or any other web browser that supports HTML when using ASP.NET.

Answer 11

T

Question 12

A stream is an abstract representation of what?

Answer 12

a serial device.

Question 13

A stream is an abstract representation of a serial device. A serial device is something is something that stores and/or accesses data in a linear manner.

Answer 13

T

Question 14

System.IO contains the classes for reading and writing data to and from files.

Answer 14

T

Question 15

What types of streams are used when data is written to some external destination, which can be a physical disk file, a network location, a printer, or another program?

Answer 15

output

Question 16

The File and Directory utility classes expose many static methods for manipulating, surprisingly enough, files and directories.

Answer 16

T

Question 17

What do the File and Directory utility classes expose?

Answer 17

Many static mehtods for manipulating files and directories.

Question 18

Which stream class achieves compression using the Deflate algorithm?

Answer 18

DeflateStream

Question 19

List three static methods of the file class.

Answer 19

Copy(), Create(), Delete()

Question 20

The CreateDirectyory() method deletes a specified directory and all files within it.

Answer 20

F

Question 21

What does the FileInfor object represent?

Answer 21

A file on a disk or network location.

Question 22

If your application is performing several operations on a file, it makes sense to instantiate a FileInfo object and use its methods.

Answer 22

T

Question 23

It makes more sense to instantiate a FileInfo to use methods on the static File class if you are making only a single method call.

Answer 23

F

Question 24

The DirectoryInfo class inherits most of its properties from FileSystemInfo.

Answer 24

T

Question 25

The DirectoryInfo class works exactly like the FileSystemInfo class.

Answer 25

T

Question 26

What class does the Directory Info class work like?

Answer 26

FileInfo class.

Question 27

What class works exactly like the FileInfo class?

Answer 27

DirectoryInfo

Question 28

Relative path names are relative to a starting location.

Answer 28

T

Question 29

The FileStream object represents a stream pointing to a file on a disk or network path.

Answer 29

T

Question 30

What does a FileStream object represent?

Answer 30

A stream pointing to a file on a disk or a network path.

Question 31

What is an absolute path name?

Answer 31

A path name explicitly specifies a file or directory from a known location.

Question 32

What kind of path name explicitly specifies a file or directory from a known location - such as the C: drive?

Answer 32

Absolute.

Question 33

What object represents a stream pointing to a file on a disk or a network path?

Answer 33

FileStream

Question 34

The FileStream class maintains an internal file pointer that points to the location within the file where the next read or write operation will occur.

Answer 34

T

Question 35

The following code opens the Data.txt file for read and write access: FileStream aFile=File.OpenRead("Data.txt")

Answer 35

F

Question 36

The FileStream class deals exclusively with what kind of bytes?

Answer 36

raw

Question 37

What method is the primary means to access data from a file that a FileStream object points to.

Answer 37

FileStream.Read()

Question 38

Unlike creating a FileStream object, creating a StreamWriter provides you with a similar range of options.

Answer 38

F

Question 39

When creating a StreamWriter object, you do not have an option to set the FileAccess property, so you will always have read/write privileges to the file.

Answer 39

T

Question 40

ReadTEndFile() is a useful method for reading entire files so long as they are relatively small.

Answer 40

T

Question 41

Which is the simplest reading methods?

Answer 41

Read()

Question 42

Multiple files placed in a single folder for compression is often called a root folder.

Answer 42

F (archive)

Question 43

One of the main reasons for asynchronous file access is to allow other operations during operations using very large files.

Answer 43

T

Question 44

What is one of the compression stream classes in the System.IO.Compression namespace?

Answer 44

DeflateStream

Question 45

The System.Runtime.Serialization.Formatters.Binary namespace contains the BinaryFormatter class which is capable of serializing objects into binary data.

Answer 45

T

Question 46

Which serialized object method work with streams?

Answer 46

object Deserialize(Stream stream)

Question 47

The NonSerializable attribute ensures data is not saved when other data is serialized.

Answer 47

T

Question 48

What is one reason you might not want to serialize an object?

Answer 48

Some objects might contain sensitive data.

Question 49

The class that helps you filter files is called FileSystemWatcher.

Answer 49

T

Question 50

When using streams it is difficult to intercept the data as it is saved to disk or loaded.

Answer 50

F

Question 51

Which three properties must be set before a FileSystemWatcher object can be enabled?

Answer 51

Path, NotifyFilter, Filter

Question 52

A complete set of data in XML is known as what?

Answer 52

An XML document.

Question 53

A complete set of data in XML is known as an XML document.

Answer 53

T

Question 54

Programs that read XML documents and analyze them by examining their individual elements are known as what?

Answer 54

XML Parsers

Question 55

What are the elements of XML?

Answer 55

Openeing tag, data, closing tag.

Question 56

Attributes are added within the closing tag of an element.

Answer 56

F

Question 57

How must a value of an attribute in XML be enclosed?

Answer 57

A single or double quotes.

Question 58

There's one exception to the rule that all elements must have a closing element.

Answer 58

T

Question 59

When using XML, a single element can never be used.

Answer 59

F

Question 60

A LINQ query starts by declaring a variable to hold the results of the query, which is usually done by declaring a variable with what keyword?

Answer 60

var

Question 61

How does a LINQ query start?

Answer 61

Declaring a variable to hold the results of the query.

Question 62

When using LINQ, every query begins with locating the data using the where clause.

Answer 62

F

Question 63

Once you have locatedsome data of interest with a where clause (or Where() method invocation), LINQ makes it easy to perform further processing.

Answer 63

T

Question 64

The System.Linq namespace is reference automatically by VS 2012

Answer 64

T

Question 65

Which clause is commonly used in LINQ to order data?

Answer 65

orderby

Question 66

often, a query returns more results than you might expect.

Answer 66

T

Question 67

When using LINQ, what clause is normally used to locate data?

Answer 67

??

Question 68

LINQ provides a set of aggregate operators that enable you to analyze the results of a query without having to loop through them all.

Answer 68

T

Question 69

List at least 3 aggregate operators for numeric results.

Answer 69

Count(), Min(), Max()

Question 70

The Count() aggregate operator is used to give the maximum value in results.

Answer 70

F

Question 71

What is Aggreagea() used for?

Answer 71

Executing arbitrary code in a manner that enables you to code your own aggregate function.