26 Questions
What is the function of a firewall in a network?
To control network security and access rules
Which type of firewall is typically used in companies as stand-alone devices?
Hardware firewall
What is the purpose of a Virtual Private Network (VPN) in the context of network security?
To establish secure connections over the Internet
What is the function of Cryptography in the context of security systems?
To secure communication by converting data into a secret code
What is the main purpose of Steganography in network security?
To conceal secret information within other non-secret data
What is the main purpose of Steganography?
To embed original secret messages inside a particular cover media
What does VPN use to retain privacy while accessing outside resources?
Encryption and security protocols
What is the problem with Secret Key Cryptography (SKC)?
The encrypted message is obvious and known that it is encrypted
What is the technique used to separate a local area network (LAN) from untrusted networks and the internet?
Demilitarized Zone (DMZ)
What is steganalysis?
A technique used to detect whether a media contains a hidden message or not
What is the main function of a firewall in a network?
To monitor and control network traffic based on predetermined security rules
What is the main purpose of Cryptography in the context of security systems?
To protect data by converting it into a secure format for transmission
Which type of firewall is typically used in companies as stand-alone devices?
Hardware firewall
What is the most common use of Steganography in the context of security?
To hide secret messages or information within other non-secret data
What is the technique used to separate a local area network (LAN) from untrusted networks and the internet?
Firewall
What does a Virtual Private Network (VPN) use to retain privacy while accessing outside resources?
Encrypted tunnels
What is the main purpose of a Virtual Private Network (VPN) in the context of network security?
To encrypt data/info and retain privacy while accessing outside resources
What is the purpose of Steganography in network security?
To transmit hidden message embedded in a cover medium that an unauthorized person cannot extract
What is the function of Cryptography in the context of security systems?
To encrypt data/info and retain privacy while accessing outside resources
What is Secret Key Cryptography's (SKC) problem?
The encrypted message is obvious and everyone knows that the message is encrypted
What does Steganalysis refer to in the context of network security?
A technique to detect the presence of a hidden message in a multimedia/cover to extract it
What is the main function of Demilitarized Zone (DMZ) in network security?
To separate a local area network (LAN) from untrusted networks and the internet
What is the purpose of Steganos (as mentioned in the text)?
To hide secret messages inside a particular cover media
What does Steganography mean?
The technique of encryption data/info via mixing it with a key to be protected for an unauthorized person to access these data
What is the main purpose of Cryptography applications?
To encrypt data/info and retain privacy while accessing outside resources
What does Public Key Cryptography (PKC) use for encryption and decryption?
Uses one key for encryption and other key for decryption
Test your knowledge on topics related to security and privacy in computer networks, including firewalls, VPN, cryptography, and steganography.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
