Answer:
The correct answer is A.
Explanation:
Vishing can be described as phishing but only using a mobile telephone, making the victim give up any personal information that could be used for identity theft etc.
Pharming is a process which redirects the traffic from a known and trusted website to another one where they perform the operation of stealing the personal information of the people.
The example given in the question falls into the category of "Spear Phishing" which is when the victim receive e-mails that look like they have been sent by a trusted and known individual. This way they are more likely to open the e-mail or click on the link in the e-mail and the phishing act has a higher chance of success.
I hope this answer helps.
Answer:
when it is a windy day and you want to reduce the sound of the wind in the recording
Answer:
B. False
Explanation:
A web application is a computer program that works over the internet. So, in order to access and run it you need a web browser and this will also require to have an internet access. If you don't have one of these you will not be able to run the app.
Answer:
True
Explanation:
Solution
ZigBee uses unlicensed frequency bands but operate at slower speed or data rates.
ZigBee: This communication is particular designed for control and sensor networks on IEEE 802.15.4 requirement for wireless personal area networks (WPANs), and it is a outcome from Zigbee alliance.
This communication level defines physical and (MAC) which is refereed to as the Media Access Control layers to manage many devices at low-data rates.
