IoT Security & Trust_Quiz 1

1.What are the two main security attacks in IoT?

• Active and Passive attacks

• Phishing attacks and SQL injection
• Ransomware attacks and Cross-Site Scripting
• Credential stuffing and Session hijacking

2.Give the meaning for Access control?

• Access control is a security measure that regulates who can view or use resources in a computing environment.
• Access control is a type of software that enhances graphics performance.
• Access control refers to the physical security of a building.
• Access control is a method for increasing internet speed.

3.Discuss the term Steganography?

• Steganography is a method of encrypting data to make it unreadable.
• Steganography involves the use of complex algorithms to secure data transmission.
• Steganography is the process of compressing files to save space.
• Steganography is the art of hiding information within other non-secret data.

4.What is Cryptography?

• Cryptography is the art of creating complex algorithms.
• Cryptography is the study of ancient languages.
• Cryptography is a method of data storage without security.
• Cryptography is the science of securing information through encoding.

5.List out the components of Cryptography.

• Data encryption, backup systems, antivirus software, network security
• User authentication, data compression, network protocols, firewalls
• Hash functions, firewalls, VPNs, malware
• Encryption algorithms, keys, protocols, digital signatures

6.If same key is used for encryption & decryption the algorithm is called (a)  

7.If different keys are used for encryption & decryption the algorithm is called (a)   .

8.Give an example for Encryption algorithm.

• Triple Data Encryption Standard (3DES)
• Rivest Cipher (RC4)
• Advanced Encryption Standard (AES)
• Data Encryption Standard (DES)

9.What is key space in cryptography?

• The total number of possible keys in a cryptographic algorithm.
• The length of the key used in a cryptographic algorithm.
• The process of generating random keys for encryption.
• The method of encrypting data using a single key.

10.What is Shannon;s characteristics in crpytography?

• Shannon's characteristics include confusion and diffusion.
• Digital signatures
• Key exchange protocols
• Encryption and decryption