<h2>Answer :</h2>
In case of Flash Sale, usually company uses Instant messages or SMS. As there are chances customer in most of the cases don’t have access to their emails due to internet unavailability. However SMS can be directed towards customers without the requirements of an internet. In case of SMS, there are companies available that can shoot out targeted SMS based on cities or even an entire country at a very minimal price. Company can provided them there contacts as well as they have a list of numbers from different sources to which they can send instant messages.
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: Eight
Explanation:
A class B address is 255.255.0.0. We need to borrow 8 bits from the network portion to have atleast 130 host per subnet.
11111111.00000000.00000000.00000000