Answer:
Yes, The overall cost of wiring in addressable fire alarm system is significantly cheaper than the conventional one.But the addressale fire alram system is more reliable than a conventional system.
Explanation:
Conventional systems are hardware-based and use analog technology. where addressable fire alarm use digital technology. addressable system is generally more reliable than a conventional system mainly due to how the different systems are wired. With a conventional system, if a device’s wire is damaged or severed, its signal and the signal of other devices down the line cannot be transmitted to the control panel.
With an addressable system, both ends of the wire connect to the control panel. Therefore, if one end becomes damaged or severed, signals can still reach the control panel through the other end of the loop. In addressable systems, a device can be removed or disabled and it will not affect the other devices in the loop.
Answer:
Pharming involves:
redirecting users to a fraudulent website even when the user has typed in the correct address in the web browser.
Explanation:
- When a hacker steals your confidential and private information by installing a malicious code on your computer which misdirects you to fake and fraudulent websites, this is called pharming.
- Hacker installs virus on your computer which manipulates the host files on your computer.
- The hacker uses DNS cache poisoning to attack DNS services on your computer which makes many users to enter fraudulent site, unknowingly, as they type the URL of the real website.
- These fraudulent website developed by hacker can install virus on your computer and steal confidential information from your computer.
- Pharming is done by hackers in order to steal sensitive data from a person's computer.
Answer:
a. social engineering attack
Explanation:
Two-factor authentication requires that the user/owner of the account enter a second verification code alongside their password in order to access the account. This code is usually sent to a personal phone number or email address. Therefore in order to breach such a security measure the best options is a social engineering attack. These are attacks that are accomplished through human interactions, using psychological manipulation in order to trick the victim into making a mistake or giving away that private information such as the verification code or access to the private email.
Answer: False
Explanation:
Web designers are not using programming languages to write websites.
