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3 years ago

Which is a connectionless protocol in the transport layer? What are the small chunks of data called?

Computers and Technology

2 answers:

xeze [42]3 years ago

6 0

Answer:

User Datagram Protocol (UDP) , transport-layer segment.

Explanation:

The User Datagram Protocol is popularly known as UDP. It is defined as the communication protocol which is used across the internet for any time sensitive transmission like the DNS lookup or the video playback.

The UDP provides a unreliable and connectionless service to a invoking application.

The transport layers on sending side converts the application $\text{layer }$ messages which it $\text{receives}$ from the $\text{sending application process}$ into a transport layer segment called as the transport layer segments. This is achieved by breaking down the application messages into a smaller chunks and then adding the transport layer header into each chunk so as to create a transport layer segment.

slava [35]3 years ago

3 0

UDP and the small chunks of data are called packets

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Write a regular expression of the language havingstrings that either start or end with "00" and have nomore zeroes. Where the al

Brut [27]

Answer:

001*|1*00

Explanation:

The language consists of strings in {0,1} that either start with 00 or end with 00 and have no more zeros.

The requirement can be divided into two parts:

1) Strings that start with 00 and have no more zeros

2) Strings that end with 00 and have no more zeros

Generating regular expressions for these parts:

1) 001* - starts with two zeros and can have zero or more 1s later

2)1*00 - starts with zero or more 1s and ends with two zeros

So on combining with the or operator(|), the overall regular expression for the strings in the language becomes:

001*|1*00

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3 years ago

Which of the following practices can help you avoid harassment (or the appearance of

Advocard [28]

Answer:

B. Respect other users' requests not to send any jokes via e-mail or IM.

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3 years ago

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lianna [129]

Answer:

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Each array in Java has a public field named ________ that contains the number of elements in the array.

Helen [10]

Answer:

length.

Explanation:

length variable determines the size of the array or the number of elements in the array.length variable is a final variable.It is a public field.It is only applicable for array it is not applicable for strings.It is also used to directly access the field member of the array.So we conclude that the answer is length.

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3 years ago

Which of the following method signatures correctly specifies an array as a return type?

kow [346]

Answer:

private int[ ] testMethod ( int x )

Explanation:

Before going to the reason first understand the syntax of declare the function.

Syntax:

Access_modifier return_type name (argument_1, argument_2,...);

Access_modifier is used for making the restriction to access the values.

it is public, private and protected.

Return_type: it is used to define return type of the function.

it can be int, float, double.

In the question:

Option 1: private array testMethod ( int x )

it is not valid because array is not valid return type.

Option 2: private int[ ] testMethod ( int x )

int[ ] denotes the integer array. so, the function return the integer array.

Option 3: private double[5] testMethod ( int x )

it is not valid because double[5] is not valid return type. we cannot enter the size of the array.

if we replace double[5] to double[ ], then it valid and the function return double type array.

Option 4: private double testMethod[ ] ( int x )

it return type is double. So, it return the decimal value but not array.

Therefore, the correct option is (b).

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3 years ago