412-79 無料問題集「EC-COUNCIL EC-Council Certified Security Analyst (ECSA)」
Internet Control Message Protocol (ICMP) messages occur in many situations, such as whenever a datagram cannot reach the destination or the gateway does not have the buffering capacity to forward a datagram. Each ICMP message contains three fields: type, code, and checksum. Different types of Internet Control Message Protocols (ICMPs) are identified by a TYPE field. If the destination is not reachable, which one of the following are generated?
正解：D
解答を投票する
The term social engineering is used to describe the various tricks used to fool people (employees, business partners, or customers) into voluntarily giving away information that would not normally be known to the general public.
What is the criminal practice of social engineering where an attacker uses the telephone system in an attempt to scam the user into surrendering private information?
What is the criminal practice of social engineering where an attacker uses the telephone system in an attempt to scam the user into surrendering private information?
正解：C
解答を投票する
Passwords protect computer resources and files from unauthorized access by malicious users. Using passwords is the most capable and effective way to protect information and to increase the security level of a company.
Password cracking is the process of recovering passwords from data that have been stored in or transmitted by a computer system to gain unauthorized access to a system.
Which of the following password cracking attacks tries every combination of characters until the password is broken?
Password cracking is the process of recovering passwords from data that have been stored in or transmitted by a computer system to gain unauthorized access to a system.
Which of the following password cracking attacks tries every combination of characters until the password is broken?
正解：B
解答を投票する