B. Queries
Queries can be fairly broad or written to focus on time frames, types of data, ranges etc.
A string parameter and returns new string with all the letters of the alphabet that are not in the argument string. The letters in the returned string should be in alphabetical order. The implementation should uses a histogram from the histogram function
Explanation:
The below code is written in python :
alphabet = "abcdefghijklmnopqrstuvwxyz"
test_dups = ["zzz","dog","bookkeeper","subdermatoglyphic","subdermatoglyphics"]
test_miss = ["zzz","subdermatoglyphic","the quick brown fox jumps over the lazy dog"]
def histogram(s):
d = dict()
for c in s:
if c not in d:
d[c] = 1
else:
d[c] += 1
return d
def has_duplicates(s):
for v in histogram(s).values():
if v > 1:
return True
return False
def test_dups_loop():
for s in test_dups:
print(s + ':', has_duplicates(s))
def missing_letters(s):
r = list('abcdefghijklmnopqrstuvwxyz')
s = s.lower()
for c in s.lower():
if c in r:
r.remove(c) # the first matching instance
return ''.join(r)
def test_miss_loop():
for s in test_miss:
print(s + ':', missing_letters(s))
def main():
test_dups_loop()
test_miss_loop()
if __name__ == '__main__':
main()
Explanation:
Super Computer are expensive computer that are used to provide very quick results. Super computer are used in calculating complex mathematical calculations. Calculations such as weather forecast and Atomic energy research. Therefore Super Computer perform complex calculations rapidly.
The protocol that should be used to establish a secure network connection for backups is SSH.
<h3>Secure Shell</h3>
SSH stands for <u>Secure Shell</u>. SSH is a <u>protocol that allows users to remotely control and modify servers</u>. SSH is commonly used by administrators to manage certain systems or applications remotely. So the admin can enter the computer via the network, then run various commands to modify or manage files from one computer to another.
SSH has several crucial functions for managing data transfer traffic. Specifically, the following are the functions and benefits of SSH:
- Securing remote access to SSH-enabled systems or network devices for the user and processing them automatically.
- SSH will automatically terminate the connection if there is suspicious activity on the connection used. So you can avoid various cyber threats such as IP and DNS spoofing, data manipulation, illegal tracking, and others.
- Perform automatic and secure file transfers.
- Launch commands securely on remote devices or systems.
- Perform secure component management of network infrastructure.
Learn more about Secure network connection: brainly.com/question/28083478
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Answer:
Sites like Face.book are full of valuable data for people who use social engineering to steal your identity on social media. You should therefore avoid sharing information that's used to verify your identity,
Explanation:
