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Microsoft MTA Software Development Fundamentals

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                                               Question: 1
Which of the following is a language used to communicate and manage data in a relational database
management system (RDBMS) and is the standard language for RDBMS according to ANSI (American
National Standards Institute)?

A. XML
B. WML
C. HTML
D. SQL



                                               Answer: D
                                              Explanation:
A Structured Query Language (SQL) is used to communicate and manage data in a relational database
management system (RDBMS). It is the standard language for RDBMS according to ANSI (American
National Standards Institute).



                                               Question: 2
Consider the exhibit below for the following




Which handling repetition method will you use in the above scenario?
A. While loop
B. For each
C. Do while loop
D. Recursion




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                                               Answer: A


Explanation:

A while loop executes a block of the sub-diagram code repeatedly until the specified Boolean condition is
met. First, you execute the code contained in the sub-diagram, and then the conditional terminal is
evaluated. A while loop does not contain a set iteration count; therefore, a while loop executes infinitely, if
the condition never arises.
A while loop is a control flow statement in most computer programming languages. It allows execution of
code based on specified Boolean conditions repeatedly. The while loop is a repeating if statement. The
while construct consists of a block of code and a condition. The condition is evaluated and if the condition
is true, the code inside the block is executed. This process ie repeated till the condition becomes false. Since
the loops verify the condition before executing the block, the control structure is also well-known as a pre-
test loop. The general form of the while loop is as follows:
While <condition>
sequence
End While
The loop is entered only if the condition is true. The "sequence" is executed for each iteration. At the
conclusion of each iteration, the condition is evaluated and the loop carries on as long as the condition is
true.
Answer; C is incorrect. A do while loop is also called a do loop. It is a control flow statement that lets code
to be executed repeatedly, based on a specified Boolean condition.
The do while loop consists of a block of code and a condition. First, the code inside the block is executed
and then the condition is checked. If the condition is true, the code inside the block is executed again. This
repeats until the condition becomes false. Since the do while loop checks the condition after the block is
executed, it is also called a post-test loop.
It is practical and in some cases required, for the condition to always evaluate to true, thus creating an
infinite loop. When such a loop is created deliberately, there is another control structure that terminates
the loop. Different languages may use different naming conventions for this type of loop.
Answer; D is incorrect. Recursion is a method in which solution to a problem depends on solutions to
smaller instances of identical problems.
"The power of recursion lies in the possibility of defining infinite sets of objects by a finite statement.
Similarly, an infinite number of computations can be described by a finite recursive program, even if this
program holds no explicit repetitions."

Most high-level computer programming languages support recursion by letting a function call itself inside
the program text. Many functional programming languages do not define looping constructs, but rely on
recursion to repeatedly call code. The computability theory proves that these recursive-only languages are
mathematically correspondent to the imperative languages. This means they can solve similar problems
even without the control structures, such as "while" and "for".
Answer; B is incorrect. The for each loop (also foreach) is used to traverse items in a collection. The for each
loop is used in place of the standard for loop. In contrast to the for loop, the for each loop keeps no explicit
counter. It says "do this to everything in this set", instead of "do this x times". This avoids possible off-by-
one errors and makes the code simpler to read.




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Adobe Apple Cisco CompTIA HP EMC IBM Microsoft Oracle Juniper                                           3
                                               Question: 3
Consider the exhibit below for the following




Which handling repetition method will you use in the above scenario?
A. While loop
B. Do while loop
C. For loop
D. For each


                                               Answer: C
Explanation:
The for loop is a control flow statement that is used to execute a block of the sub-diagram code for a set
number of times. A for loop is a statement in a programming language that allows code to be executed
repeatedly, and is classified as an iteration statement. A for loop is often distinguished by an explicit loop
counter or loop variable. This allows the body of the for loop to know how each iteration is sequenced. A for
loop is also used in conditions when the number of iterations is known before entering the loop. The name
for the loop comes from the English word used as the keyword in most programming languages to
introduce a for loop. Following is the general form of the for loop:
For iteration bounds sequence
End For
Answer; B is incorrect. A do while loop is also called a do loop. It is a control flow statement that lets code
to be executed repeatedly, based on a specified Boolean condition.
The do while loop consists of a block of code and a condition. First, the code inside the block is executed
and then the condition is checked. If the condition is true, the code inside the block is executed again. This
repeats until the condition becomes false. Since the do while loop checks the condition after the block is
executed, it is also called a post-test loop.
It is practical and in some cases required, for the condition to always evaluate to true, thus creating an
infinite loop. When such a loop is created deliberately, there is another control structure that terminates
the loop. Different languages may use different naming conventions for this type of loop.



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Adobe Apple Cisco CompTIA HP EMC IBM Microsoft Oracle Juniper                                          4
Answer; A is incorrect. A while loop is a control flow statement in most computer programming languages.
It allows execution of code based on specified Boolean conditions repeatedly. The while loop is a repeating
if statement. The while construct consists of a block of code and a condition. The condition is evaluated
and if the condition is true, the code inside the block is executed. This process ie repeated till the condition
becomes false. Since the loops verify the condition before executing the block, the control structure is also
well-known as a pre-test loop. The general form of the while loop is as follows.
While <condition>
sequence
End While
The loop is entered only if the condition is true. The "sequence" is executed for each iteration. At the
conclusion of each iteration, the condition is evaluated and the loop carries on as long as the condition is
true.
Answer; D is incorrect. The for each loop (also foreach) is used to traverse items in a collection. The for
each loop is used in place of the standard for loop. In contrast to the for loop, the for each loop keeps no
explicit counter. It says "do this to everything in this set", instead of "do this x times". This avoids possible
off-by-one errors and makes the code simpler to read.


                                               Question: 4
Drag and drop the appropriate statements in the for loop place holders.




                                                  Answer:




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Adobe Apple Cisco CompTIA HP EMC IBM Microsoft Oracle Juniper                                            5
Explanation. The for loop works as follows:
1.The variable(s) is initialized
2.The condition is checked. If true, execute statements, else terminate the for loop.
3.Execute statements within the for loop.
4.Update variables and return to step 2.




A for loop is a statement in a programming language that allows code to be executed repeatedly, and is
classified as an iteration statement. A for loop is often distinguished by an explicit loop counter or loop
variable. This allows the body of the for loop to know how each iteration is sequenced. A for loop is also
used in conditions when the number of iterations is known before entering the loop. The name for the loop
comes from the English word used as the keyword in most programming languages to introduce a for loop.
Following is the general form of the for loop:


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Adobe Apple Cisco CompTIA HP EMC IBM Microsoft Oracle Juniper                                       6
For iteration bounds sequence
End For



                                             Question: 5
Which of the following is described in the statement below:
"These are computers on the Internet that host Web sites. They deliver Web pages and other media to a
client browser."
A. Web servers
B. Web services
C. File Transfer Protocol
D. Telnet


                                              Answer: A
Web servers are computers on the Internet that host Web sites. They deliver Web pages and other media to
viewers upon request. A Web server uses a Web hosting service for this purpose. Every Web server has a
unique address so that other computers connected to the Internet know where to find it on the Internet.
A Web server is a type of server that makes a Web site available on the Internet and manages the
interaction and HTTP exchanges at the background. It supplies static content to a Web browser by loading
a file from a disk and providing it through out the network to a user's Web browser. As the Web site is on
the Internet, the management is done by a Web server. The browser and server interact with each other
using HTTP.
Answer; D is incorrect. The full form of Telnet is Teletype Network. It is used to connect a computer to a
local network (LAN) or the Internet. It can also be used for accessing servers by using a valid user name and
password. It is a common way to control Web servers remotely.
Answer; C is incorrect. A File Transfer Protocol (FTP) server manages the FTP client requests and responses
using the FTP protocol. This protocol makes it possible to move one or more files securely between
computers while providing file security and organization as well as transfer control. The latest Web
browsers and file managers can connect to FTP servers, although they may lack the support for protocol
extensions such as FTPS. This allows manipulation of remote files over FTP through an interface similar to
that used for local files.
Answer; B is incorrect. A Web service is a way of communicating between two electronic devices. The
World Wide Web Consortium (W3C) defines a "Web service" "as a software system intended to support
interoperable machine-to-machine interactions over a network. It has an interface deviced in a machine-
processable format, particularly the Web Services Description Language (WSDL). Other systems interact
with the Web service in such a way as is approved by its description; using SOAP messages and conveyed
using HTTP with an XML serialization combining other Web-related standards."
The W3C also identifies two major classes of Web services, which are as follows:
1.The REST-compliant Web services in which the basic use of the service is to manipulate XML
representations of the Web resources through a uniform set of "stateless" operations.




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Adobe Apple Cisco CompTIA HP EMC IBM Microsoft Oracle Juniper                                        7
                          98-361                                      Microsoft


Microsoft MTA Software Development Fundamentals

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