4. In the extensible hash index (each bucket can hold at most 2 items) below, if wewant to insert 19, what will be the structure of the hash index after the insertion?1620Ah(1) = 00001h(2) = 00010h(3) = 00011h(7) = 00111h(16) = 10000h(18) = 10010h(19) = 10011h(20) = 1010000011B1011Directory3D%3DBuckets5. Assuming that the node capacity of B*-trees is 4, please draw the updated B*-trees upon insertions. L5(a). Insert tuples with key 23* into the following B*-tree.Root141924332*3*5*7*14* 16*19* 20* 22*24*| 27* 29*33* 34* 38* | 39*

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4. In the extensible hash index (each bucket can hold at most 2 items) below, if we want to insert 19, what will be the structure of the hash index after the insertion? 2 16 20 A h(1) =00001 h(2) = 00010 h(3) = 00011 h(7) = 00111 h(16) = 10000 h(18) = 10010 = 10011 00 01 1 B 10 11 2 Directory 3. h(20) = 10100 D %3D Buckets

4. In the extensible hash index (each bucket can hold at most 2 items) below, if we want to insert 19, what will be the structure of the hash index after the insertion? 2 16 20 A h(1) =00001 h(2) = 00010 h(3) = 00011 h(7) = 00111 h(16) = 10000 h(18) = 10010 = 10011 00 01 1 B 10 11 2 Directory 3. h(20) = 10100 D %3D Buckets

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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= Question 3. In the following hash table, we insert elements using hashing with open addressing with quadratic probing. Elements have as keys integer numbers, and the hash function for the i-th probe is given by hash(x, i) (x + ²) %11. We insert, in the given order, the elements with the following keys: 46, 58, 57, 39. Indicate, where these elements will be placed in the table. index value 0 1 2 3 4 5 6 7 8 9 10
Linear hash index:Consider the Extendible Hashing index shown in figure below.A bucket is split each time an overflow page gets created Show the state of the index after each operation:a) Insertion of entry 2b) Insertion of entry 40c) Insertion of entry 39
The putIfAbsent function in HashMap seems useless.
import hashlib def hash_function(password, salt, al): if al == 'md5': #md5 hash = hashlib.md5(salt.encode() + password.encode()) hash.update(password.encode('utf-8')) return hash.hexdigest() + ':' + salt elif (al == 'sha1'): #sha1 hash = hashlib.sha1() hash.update(password.encode('utf-8')) return hash.hexdigest() + ':' + salt elif al == 'sha224': #sha224 hash = hashlib.sha224() hash.update(password.encode('utf-8')) return hash.hexdigest() + ':' + salt elif al == 'sha256': #sha256 hash = hashlib.sha256() hash.update(password.encode('utf-8')) return hash.hexdigest() + ':' + salt elif al == 'blake2b': #blake2b512 hash = hashlib.blake2b() hash.update(password.encode('utf-8')) return hash.hexdigest() + ':' + salt else: print("Error: No Algorithm!") if __name__ == "__main__": # TODO: create a list called hash_list that contains # the five hashing algorithsm as strings # md5, sha1, sha224, sha256, blake2b hash_list =…
Using double Hashing, insert items with keys: 69, 86, 33, 47, 17, 55 into an empty hash table. tableSize: 7 hash1(x) = x mod tableSize. hash₂(x) = R-(x mod R), R is a prime number smaller than tableSize hash1(x) + hash2(x) mod tableSize
QUESTION 7 Given a Count-Min Sketch of size 10 x 2 (w=10, d=2) that operates on two hash functions: h1(x) = (x*7+4) % w h2 (x) = (X*13+9) % w After counting a stream of data, our sketch has the following contents: 6 7 8 9 Column Index 0 1 2 3 4 Row 1 Value 0 25 14 22 00 55 0 18 0 Row 2 Value 94 0 70 0 64 79 0 0140 We would like to add two elements of value "42", and "51", respectively, into our sketch. Please specify which counters will be changed, and to what values after the operation. You can use the Column Index, and Row number to reference the cell being changed. Please clearly explain how you come up with the
Jump to level 1 Hash table valsTable is shown below. The hash function is key % 5. Assume items are inserted at the end of a bucket's list. valsTable: o 50 1 2 12 3 49 After the operations HashInsert(valsTable, item 100) item 26) HashInsert(valsTable, Select the bucket containing the following items: 26 Select 50 Select 0 100 1 2 2 3 5 3 4 Check Next
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Write the lines of code to insert the key (book's ISBN) and value ("book") pair into "my_hash_table".
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In this task, two hash tables should should be implemented. You can follow the followinginstructions:- In class HashTable implement a hash table and consider the following:(i) Keys are integers (therefore also negative!) and should be stored in the tableint[] data.(ii) As a hash function take h(x) = (x · 701) mod 2000. The size of the table istherefore 2000. Be careful when computing the index of a negative key. Forexample, the index of the key x = −10 ish(−10) = (−7010) mod 2000 = (2000(−4) + 990) mod 2000 = 990.Hence, indices should be non-negative integers between 0 and 1999!(iii) Implement insert, which takes an integer and inserts it into a table. Themethod returns true, if the insertion is successful. If an element is already inthe table, the function insert should return false.(iv) Implement search, which takes an integer and finds it in the table. The methodreturns true, if the search is successful and false otherwise.(v) Implement delete, which takes an integer and deletes it…