Questions d'entretiens - Systems software test engineer


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On a demandé à un Systems Software Test Engineer...27 mars 2020

Python program to check if a string is palindrome or not and if the letters can be re-arranged so that it will become a palindrome.

1 réponses

def _isPalindrome(input_str: str) -> bool: return input_str == ''.join(reversed(input_str)) def _canMakePalindrome(input_str: str) -> bool: """ Checks if current string can make palindrome """ # Sum up occurance of each letter counter = Counter(input_str).values() # Add everything up %2 should be <= 1 summation = sum(c % 2 for c in counter) return summation <= 1 Moins


asked about related to previous work and college projects. Android programming and automation.

1 réponses

answered only the stuff i knew, no guesses etc.

Arista Networks

Difference between IBGP AND Ebgp?

1 réponses

loop prevention


what is pointer? far pointer and dangling pointer

1 réponses

why java dont have pointer

Northrop Grumman

II was asked some basic data structures questions like linked list vs array list that sort of thing.

1 réponses

Just brush up on different data structures and algorithms and you should be fine. Also try to review all your projects in great detail because they will ask deeper questions about them. Moins

Arista Networks


1 réponses

Packets: Hello, Database description packets, LSA, LSA Update. Explain in detail . If asked in 1 line , reply accordingly. LSA Study: Learn the types. Draw a toplogy running ospf. Mark areas and router types. Start with one area, list all possible LSA for a given routers within that area. Once done , do the same for all routers in that area and then move on to other areas in the same AS. This gives fair understanding of OSPF protocol. States: Down, init , 2 way, exstart, exchange, loading, established. Better to know in which scenario the neighbors may get stuck in each state. Exstart state(MTU mismatch). Moins

Arista Networks

1. Given a meshed network of switches having hosts connected, how does the end -end devices communicate?

1 réponses

source mac learning, vlan table , store and forward, flood broadcast packet if no entry in mac table . stp and rstp port mapping , election process, prune the looped network. Make sure you explain after its loop free network then go with the forwarding of ping packet across the switches to intended host. Moins


What is polymorphism within C++?

1 réponses

it is when an operator for example is used differently depending on the contextual application of it. Moins

Zantech IT

How does your experiences matches the requirements

NXP Semiconductors

Difference between microprocessor and microcontroller Swap a value with b value without an additional variable

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