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Packets travel in a switch network by being forwarded based on the destination MAC address.
Packets are received by the switch on an incoming port.
The switch looks up the destination MAC address in its MAC address table.
If the MAC address is found, the packet is forwarded out the corresponding port.
If the MAC address is not found, the packet is flooded out all ports except the incoming port.
Switches operate at Layer 2 o
A Linkedlist is not inherently a palindrome, but it can be checked for palindrome by comparing the elements from both ends.
To check if a Linkedlist is a palindrome, we can reverse the second half of the list and compare it with the first half.
Alternatively, we can use a stack to store the first half of the list and then compare it with the second half while popping elements from the stack.
For example, if the Linkedlist
Arista Networks interview questions for popular designations
I applied via campus placement at Delhi College of Engineering (DCE), Delhi and was interviewed in Sep 2023. There were 3 interview rounds.
Quite easy, implementation questions were there
Hash maps are data structures that store key-value pairs and provide efficient lookup, insertion, and deletion operations.
Hash maps use a hash function to convert keys into array indices.
Collisions can occur when multiple keys hash to the same index, requiring collision resolution techniques.
Common collision resolution methods include chaining and open addressing.
Hash maps have an average time complexity of O(1) for ba...
Get interview-ready with Top Arista Networks Interview Questions
I applied via Approached by Company and was interviewed before Jun 2023. There were 2 interview rounds.
Calculate the running median of a stream of numbers.
Use two heaps - a max heap for the smaller half of the numbers and a min heap for the larger half.
Keep the heaps balanced by ensuring the size difference is at most 1.
If the heaps are balanced, the median is the average of the top elements of the two heaps. Otherwise, it is the top element of the larger heap.
Trie is a tree data structure used for efficient retrieval of key-value pairs, commonly used in autocomplete and spell check applications.
Advantages: efficient prefix search, space optimization for storing keys with common prefixes, easy to implement autocomplete and spell check functionalities
Disadvantages: can be memory intensive for large datasets, complex to implement compared to other data structures like hash tab...
I applied via campus placement at Birla Institute of Technology and Science (BITS), Pilani and was interviewed in Jun 2022. There were 4 interview rounds.
There were 2 DSA medium level questions
I was interviewed in Sep 2022.
I applied via Approached by Company and was interviewed before Apr 2023. There were 3 interview rounds.
Questions regarding JS concepts. JS and React specific rounds, closures, Promises, etc
I applied via campus placement at International Institute of Information Technology (IIIT), Allahabad and was interviewed in Jun 2022. There were 3 interview rounds.
Two easy coding problems with few mcqs
Google Contacts is a web-based address book application.
Users can add, edit, and delete contacts
Contacts can be organized into groups
Users can import and export contacts
Contacts can be searched and filtered
Integration with other Google services like Gmail and Calendar
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The duration of Arista Networks interview process can vary, but typically it takes about less than 2 weeks to complete.
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