CyanConnode Interview Questions and Answers

Q1. Write a js code to reverse a string.
Ans. 
Use JavaScript to reverse a given string.
• Create a function that takes a string as input

• Use the split(), reverse(), and join() methods to reverse the string

• Return the reversed string
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Q2. Write a js code fizz bizz
Ans. 
FizzBuzz is a common coding challenge where numbers divisible by 3 are replaced with 'Fizz', numbers divisible by 5 are replaced with 'Buzz', and numbers divisible by both are replaced with 'FizzBuzz'.
• Create a loop to iterate through numbers 1 to 100

• Use if statements to check if the number is divisible by 3, 5, or both

• Replace the number with 'Fizz', 'Buzz', or 'FizzBuzz' accordingly
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Q3. Angular life cycle hooks
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Q4. What is Dependency Injection in angular?
Ans. 
Dependency Injection is a design pattern in which a class receives its dependencies from an external source rather than creating them itself.
• In Angular, Dependency Injection is used to provide instances of services to components.

• It helps in creating loosely coupled components, making the code more maintainable and testable.

• Example: In Angular, you can inject services like HttpClient, Router, etc. into components using
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Q5. What are the Directives in angular?
Ans. 
Directives in Angular are markers on a DOM element that tell Angular to attach a specified behavior to that DOM element or transform the DOM element and its children.
• Directives are used to extend HTML with new attributes or elements.

• There are three types of directives in Angular: Component, Structural, and Attribute directives.

• Examples of built-in directives in Angular include ngIf, ngFor, and ngStyle.
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Q1. General Question Tell me about yourself
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Q2. How soon you can join
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Read about MPIN that is used to access mobile banking apps

Many a times users end up setting an MPIN that is guessable because

1. It is a commonly used MPIN eg 1122

2. It is a combination of easily known demographics of the user. Eg: if the birthdate is 02- Jan-1998 then MPIN could be 0201 or 9802 or 0201 etc. Demographics such as these could be used alone or in a combination

a. DOB

b. Wedding Anniversary

c. Spouse birthday

Solutions Required

1. Part A: Assume that the MPIN is 4-digits. Write a program that suggests if the MPIN is a commonly used one. Ignore the demographics for this part

2. Part B: Enhance the above to take user's demographics as input and provides an output

a. Strength: WEAK or STRONG

3. Part C: Enhance the above to provide the following outputs

a. Strength: WEAK or STRONG

b. If weak then the reason why was it considered weak: It should give from the following the reasons as an array. Array should be empty if Strength is STRONG and non-empty if WEAK

i. COMMONLY_USED

ii. DEMOGRAPHIC_DOB_SELF

iii. DEMOGRAPHIC_DOB_SPOUSE

iv. DEMOGRAPHIC_ANNIVERSARY

4. Part E: Above with a 6-digit PIN

5. Write code that tests the above written code using a set of inputs. Write at least 20 test case in PYTHON

Q1. Introduce yourself
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Q2. Favourite international destination
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Q1. Introduce yourself
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Q2. Favourite international destination
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Q1. Medium level SQL question
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Q2. Case study on Bigbasket/Instagram
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Q1. Just normal Swift question
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Q1. Same thing, but kept asking the estimated timelines
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Q1. Just background checks
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