Explain why spam senders frequently change from one email address and one domain to another. Explain why changing the address does not prevent their victims from responding to their messages.
What will be an ideal response?
Changing addresses and domains decreases the effectiveness of spam filters. Also, different domains and addresses may be more likely to work on different usersMass. spammers generally aren’t concerned about users responding to their emails, but rather try to get them to click links, run code, or download programs
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You can use either the SelectedItem or ____ property to determine whether an item is selected in a list box.
A. Selection B. SelectedIndex C. ItemChoice D. Items
Which of the following is false?
a. Java SE 9 adds new static convenience factory methods to interfaces List, Set and Map that enable you to create small mutable collections. b. The collections returned by the convenience factory methods are not allowed to contain null values—these methods throw a NullPointerException if any argument is null. c. The iteration order is unspecified for Sets returned by the convenience factory methods. d. All of the above are true.