ECCouncil 212-82 Exam With Confidence Using Practice Dumps

 Type = 12 is the type of ICMP error message received by Jaden in the above scenario. ICMP (Internet Control Message Protocol) is a protocol that sends error and control messages between network devices. ICMP error messages are categorized by types and codes, which indicate the cause and nature of the error. Type = 12 is the type of ICMP error message that indicates an IP parameter problem, which means that the IP header field contains invalid information . Type = 8 is the type of ICMP message that indicates an echo request, which is used to test the connectivity and reachability of a destination host. Type = 5 is the type of ICMP error message that indicates a redirect, which means that a better route to the destination host is available. Type = 3 is the type of ICMP error message that indicates a destination unreachable, which means that the destination host or network cannot be reached. 

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 . 

A circuit-level gateway is a type of firewall that works at the session layer of the OSI model and monitors the TCP handshake between hosts to determine whether a requested session is legitimate. It does not inspect the contents of each packet, but rather relies on the session information to filter traffic