212-82 Exam Dumps : Certified Cybersecurity Technician (CCT)

Radio-frequency identification (RFID) is the type of short-range wireless communication technology that the billing executive has used in the above scenario. RFID uses radio-frequency electromagnetic waves to transfer data for automatic identification and for tracking tags attached to objects . RFID tags are machine-readable tags that store information about the products, such as name, price, expiry date, etc. RFID readers are readable machines that scan the RFID tags and display the product details on the computer . RFID technology is widely used in supermarkets, warehouses, libraries, and other places where inventory management and tracking are required . 

Isolation of VMs:

OS virtualization provides isolation between virtual machines (VMs). Each VM operates independently with its own operating system and resources. This isolation ensures that a security breach in one VM does not affect other VMs on the same physical host.

Riley’s public key is the key that Louis used to verify the digital signature in the above scenario. A digital signature is a cryptographic technique that verifies the authenticity and integrity of a message or document. A digital signature is created by applying a hash function to the message or document and then encrypting the hash value with the sender’s private key. A digital signature can be verified by decrypting the hash value with the sender’s public key and comparing it with the hash value of the original message or document . Riley’s public key is the key that corresponds to Riley’s private key, which he used to sign the message. Louis’s public key is the key that corresponds to Louis’s private key, which he may use to encrypt or decrypt messages with Riley. Louis’s private key is the key that only Louis knows and can use to sign or decrypt messages. Riley’s private key is the key that only Riley knows and can use to sign or encrypt messages.