Paper B Quiz

Paper B Quiz

12th Grade

30 Qs

quiz-placeholder

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Paper B Quiz

Paper B Quiz

Assessment

Quiz

Computers

12th Grade

Practice Problem

Hard

Created by

Elizabeth Gist

Used 2+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The worst-case time-complexity of bubble-sort is:

O(n)

O(log n)

O(n²)

O(n log n)

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

TCP/UDP port 443 is reserved for:

HTTP

HTTPS

FTP

SSH

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which normal form removes transitive dependencies?

NF

NF

NF

BCNF

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A smart-card used for login belongs to which MFA factor category?

Something you know

Something you have

Something you are

Somewhere you are

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which SQL keyword eliminates duplicate rows in a result set?

UNIQUE

DISTINCT

ORDER BY

GROUP BY

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The algorithmic paradigm that breaks a problem into sub-problems, stores the results, and re-uses them is called:

Divide-and-Conquer

Greedy

Dynamic Programming

Brute Force

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A DDoS attack is characterised by traffic that:

Comes from a single host

Comes from many distributed hosts

Injects SQL

Encrypts files for ransom

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