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WorksheetsCNS Quiz
Total questions: 15
Worksheet time: 8mins
The keys used in cryptography are
secret key
private key
public key
All of them
Cryptography, a word with Greek origins, means
corrupting data
secret writing
open writing
closed writing
A transposition cipher reorders (permutes) symbols in a
block of packets
block of slots
block of signals
block of symbols
Network Security provides authentication and access control for resources.
TRUE
FALSE
may be true
may be false
Which is not an objective of network security?
identification
authentication
access control
lock
The process of verifying the identity of a user.
authentication
identification
validation
verification
Which of these is a part of network identification?
user id
password
otp
fingerprint
The process of transforming plain text into unreadable text.
decryption
encryption
network security
information hiding
An algorithm used in encryption is referred to as cipher.
TRUE,
FALSE
may be true
may be false
A process of making the encrypted text readable again.
decryption
encryption
network security
information hiding
A person who enjoys learning details about computers and how to enhance their capabilities.
cracker
hacker
app controller
site controller
An asymmetric-key (or public-key) cipher uses
1 key
2 key
3 key
4 key
A small program that changes the way a computer operates.
worm
trojan
bomb
virus
We use cryptofraphy term to transform messages to make them secure and immune to
change
idle
attacks
defend
In cryptography , the original message before being transformmed , is called
simple text
plain text
empty text
filled text
