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Itron

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Itron Interview Questions and Answers

Updated 5 Feb 2024

Q1. How much memory is allocated when a class is declared? How much when instance is created ? And so on...

Ans.

Memory allocation for class and instance creation in Java

  • Memory is allocated for class variables and methods when the class is loaded into memory

  • Memory for instance variables is allocated when an instance of the class is created

  • The amount of memory allocated depends on the data type and size of the variables

  • Static variables are allocated memory only once, while instance variables are allocated memory for each instance

  • Memory allocation can be optimized using techniques like ob...read more

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Q2. What do you understand by distributed systems, multitasking multiprograming etc, overview idea of amazon working etc.

Ans.

Distributed systems involve multiple computers working together, multitasking allows for multiple tasks to be performed simultaneously, Amazon uses distributed systems for their online services.

  • Distributed systems involve multiple computers working together to achieve a common goal

  • Multitasking allows for multiple tasks to be performed simultaneously by a single computer

  • Multiprogramming allows multiple programs to run on a single computer at the same time

  • Amazon uses distribute...read more

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Q3. TCP header details like information included in TCP header?

Ans.

TCP header contains important information for reliable data transmission.

  • TCP header includes source and destination port numbers

  • It also includes sequence and acknowledgement numbers

  • TCP header has flags for various control functions like SYN, ACK, FIN, etc.

  • Window size, checksum, and urgent pointer are also included in TCP header

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Q4. IPv6 vs IPv4 comparison and advantages of IPv6

Ans.

IPv6 offers more IP addresses, better security, and improved performance compared to IPv4.

  • IPv6 uses 128-bit addresses, providing a virtually unlimited number of unique IP addresses.

  • IPv6 includes built-in security features, such as IPsec, which provides end-to-end encryption and authentication.

  • IPv6 also offers improved performance through features like multicast and anycast addressing.

  • IPv6 simplifies network configuration and management through auto-configuration and plug-and-...read more

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Q5. merge two sorted arrays

Ans.

Merge two sorted arrays into a single sorted array

  • Create a new array to store the merged result

  • Use two pointers to iterate through both arrays and compare elements

  • Add the smaller element to the new array and move the pointer for that array

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Q6. find depth of a tree

Ans.

The depth of a tree is the length of the longest path from the root node to any leaf node.

  • Depth of a tree can be found using depth-first search (DFS) algorithm.

  • The depth of a tree is equal to the maximum depth of its children plus one.

  • For example, in a binary tree, the depth of the tree is the maximum depth of the left and right subtrees plus one.

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