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answered only the stuff i knew, no guesses etc.

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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

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why java dont have pointer

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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

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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

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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

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