Quess Interview Questions, Process, and Tips

Q1. How did you become familiar with telecommunications?
Ans. 
I became familiar with telecommunications through my previous work experience and formal education in electronics.
• Studied electronics and telecommunications in college

• Worked as a technician at a telecommunications company

• Attended training sessions and workshops on telecommunications technology
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Q2. What is the internet, and what are its uses?
Ans. 
The internet is a global network of interconnected computers that allows for communication, information sharing, and access to various services and resources.
• The internet allows for communication through email, messaging apps, and video calls.

• It provides access to a vast amount of information through websites, search engines, and online databases.

• Online shopping, banking, social media, and entertainment streaming are c...read more
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Q3. What is odu whay at use
Ans. 
ODU stands for Optical Distribution Unit, which is a device used in optical networks to distribute optical signals.
• ODU is commonly used in fiber optic networks to split or combine optical signals.

• ODUs are often used in telecommunications, data centers, and other networking applications.

• Examples of ODU devices include optical splitters, combiners, and wavelength division multiplexers.
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Q1. Union and union all difference
Ans. 
UNION combines the results of two or more SELECT statements, while UNION ALL includes duplicates.
• UNION removes duplicate rows, while UNION ALL retains all rows including duplicates

• UNION is slower than UNION ALL as it performs a distinct operation

• UNION requires the same number of columns in the SELECT statements, while UNION ALL does not have this restriction
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Q2. What is generic and non-generic collections
Ans. 
Generic collections allow storing any type of data, while non-generic collections are type-specific.
• Generic collections can store any type of data, such as List or Dictionary.

• Non-generic collections are type-specific, like ArrayList or HashTable.

• Generic collections provide type safety and better performance compared to non-generic collections.
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Q1. What was your salary
Ans. 
My salary at my previous job was $45,000 per year.
• My salary was $45,000 per year

• I received a yearly salary of $45,000

• My annual salary was $45,000
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Q2. You have any experience
Ans. 
Yes, I have 2 years of experience in retail sales.
• Worked as a sales associate at XYZ store for 2 years

• Assisted customers with product selection and purchases

• Handled cash transactions and maintained inventory levels
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Frequent test as of studied in privious company learnt

Q1. Describe the 'delete' command In oracle.
Ans. 
The 'delete' command in Oracle is used to remove rows from a table based on specified conditions.
• The 'delete' command is used to remove rows from a table in Oracle.

• It is important to specify the conditions for deletion using a WHERE clause.

• After executing the delete command, the rows are permanently removed from the table.

• It is recommended to use a commit statement after executing the delete command to make the changes
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Q2. 'Grep' command in brief
Ans. 
Grep command is used in Unix/Linux to search for specific patterns in files or output.
• Used to search for specific patterns in files or output

• Can be used with regular expressions to refine search results

• Commonly used with options like -i (case-insensitive) and -r (recursive)

• Example: grep 'keyword' filename.txt
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Q1. Sorting List without using sort method in python
Ans. 
Implement a sorting algorithm without using the sort method in Python.
• Use a custom sorting algorithm like bubble sort, selection sort, or insertion sort.

• Iterate through the list and compare adjacent elements to swap them if necessary.

• Repeat the process until the list is sorted.

• Example: Implementing bubble sort to sort a list of strings.
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Q2. Calculator inbuilt code, to develop test cases
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