Corporate Infotech System Engineer Interview Questions, Process, and Tips

Q1. Data analyst does
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Q2. Data cleaning means
Ans. 
Data cleaning is the process of identifying and correcting errors or inconsistencies in data to improve its quality.
• Removing duplicate entries

• Correcting spelling errors

• Handling missing values

• Standardizing data formats

• Identifying and removing outliers
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Q1. What difference do you bring
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General appitute question

Q1. What is pointer what is array
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A pointer is a variable that stores the memory address of another variable. An array is a collection of similar data types.
• Pointers allow for dynamic memory allocation and manipulation.

• Arrays can be one-dimensional or multi-dimensional.

• Example of pointer: int *ptr = # where num is an integer variable.

• Example of array: char str[10] = {'H', 'e', 'l', 'l', 'o', ' ', 'W', 'o', 'r', 'l', 'd'};
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Q1. Tell me about your self
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Q1. What is the difference between L2 and L3 switch
Ans. 
L2 switches operate at the data link layer and make forwarding decisions based on MAC addresses, while L3 switches operate at the network layer and make forwarding decisions based on IP addresses.
• L2 switches operate at the data link layer of the OSI model

• L2 switches make forwarding decisions based on MAC addresses

• L3 switches operate at the network layer of the OSI model

• L3 switches make forwarding decisions based on IP ...read more
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Q2. Wh lan is faster and wifi?
Ans. 
Wired LAN is faster than WiFi.
• Wired LAN typically offers faster and more stable connection speeds compared to WiFi.

• WiFi speeds can be affected by interference, distance from the router, and the number of devices connected.

• Examples of wired LAN technologies include Ethernet and Powerline adapters.
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Q1. What do we do if scope are full on DHCP server
Ans. 
If scope are full on DHCP server, you can either expand the scope or delete inactive leases to make room for new ones.
• Expand the scope by increasing the range of IP addresses available for lease

• Delete inactive leases to free up space for new leases

• Check for any misconfigured devices causing IP address conflicts
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Q1. Even and odd number index
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Q1. Most of AD, Server, VWware,
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Q1. Data analyst does
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Q2. Data cleaning means
Ans. 
Data cleaning is the process of identifying and correcting errors or inconsistencies in data to improve its quality.
• Removing duplicate entries

• Correcting spelling errors

• Handling missing values

• Standardizing data formats

• Identifying and removing outliers
Answered by AI
Add your answer

Q1. What difference do you bring
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Q1. Basic SQL questions Stored procedures Data warehousing
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Q1. 1.Tell about yourself
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