Blockchain MCQ's

1.  Blockchain which is popularly known as ‘for the people, by the people and of the people” is ___________.

   View Answer   

   public

2. Bitcoin network would make it impossible to bypass the traditional financial intermediaries.

   View Answer   

   False

3. The three concepts used to explain the foundation of blockchain are __________________.

   View Answer   

   business n/w,digital assets,ledger

4. Private Blockchain is a de-centralized type of Blockchain?

   View Answer   

   False

5. The value of coins ( litecoin, bitcoin) is same at a particular time.

   View Answer   

   False

Data visualization MCQ's

 1.What needs to be considered first before you start a data visualization presentation?

Ans:- Data

2.Data Visualization makes complex data more

Ans:-Understandable

3.How does visualization of big data help in interpreting information?

Ans:-clear

4.What is the purpose of using a dashboard for data visualization?

Ans:-comm

Problem -2

 Problem Statement:

Arpasland has surrounded by attackers. A truck enters the city. The driver claims the load is food and medicine from Iranians. Ali is one of the soldiers in Arpasland. He doubts about the truck, maybe it's from the siege. He knows that a tag is valid if the sum of every two consecutive digits of it is even and its letter is not a vowel. Determine if the tag of the truck is valid or not.

We consider the letters "A","E","I","O","U","Y" to be vowels for this problem.

Problem - 1

 Problem Statement:

You are required to enter a word that consists of  and  that denote the number of Zs and Os respectively. The input word is considered similar to word zoo if .

Determine if the entered word is similar to word zoo.

For example, words such as zzoooo and zzzoooooo are similar to word zoo but not the words such as zzooo and zzzooooo.

SageMaker - Amazon ML MCQ's

1.  Asynchronous Predictions are possible in SageMaker through _________________.

   View Answer   

   BatchTranform

2. Training Data for SageMaker models is ___________________.

   View Answer   

   Stored in S3

3. Which of the following algorithms is best suited for detecting malicious server activity?

   View Answer   

   IP

4. Hyperparameters are _______________________.

   View Answer   

   Model-specific parameters which are preset before training

Aptitude Questions - 1

1. The average weight of 8 person's increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

   View Answer   

   85kg

2. The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ?

   View Answer   

   8

3. Three candidates contested an election and received 1136, 7636 and 11628 votes respectively. What percentage of the total votes did the winning candidate get?

   View Answer   

   57%

4. In a certain store, the profit is 320% of the cost. If the cost increases by 25% but the selling price remains constant, approximately what percentage of the selling price is the profit?

   View Answer   

   70%

Overfitting & Underfitting in Machine Learning

 

Overfitting in Machine Learning

Overfitting refers to a model that models the training data too well.

Overfitting happens when a model learns the detail and noise in the training data to the extent that it negatively impacts the performance of the model on new data. This means that the noise or random fluctuations in the training data is picked up and learned as concepts by the model. The problem is that these concepts do not apply to new data and negatively impact the models ability to generalize.

AngularJS Packaging and Testing MCQ's

1.  Which one of these is a Bower Concept?

   View Answer   

   Package

2. The following is the syntax of installing a Component in Bower.

   View Answer   

   Bower install componenet name

3. In Package.json, to include the latest version we can use.

   View Answer   

   Symbol

4. Grunt runs tasks using Temporary files which are disk I/O operations.

   View Answer   

   TRUE

Wireframing MCQ's

1. Wireframes are static. 

   View Answer   

   True

2. What are the fidelity levels that you must consider while creating a wireframe?

   View Answer   

    all the options

3. Mockups exhibit exhibit ___________. 

   View Answer   

   high fidelity

4. Apart from basic wireframes, what are the other type of wireframes that are available? 

   View Answer   

   ALL OF THE OPTION

Routers and Custom Directives MCQ's

 1) what is the purpose of the $location service?

It enables changing the path of the application in order to perform navigation  

2) With _, views and routes are tied to the application url. ngRoute

3)Which is the correct syntax format for constructing a route and binding a route parameter?

<a ng-href=”#/detail/{{food.id}}”>Click for more.......</a> 

4) Which function best describes routing?

Loads templates into the ng-view element

5) The…………… service is not able to function properly if the current URL is outside the URL given as the base href. $location