"In 2011, following an initial attack that compromised millions of its user accounts, Sony, maker
of the PS3 gaming system, were hacked once again by the group known as Lulzsec. The group
gained access to one million user accounts (including the personal data associated with those
accounts), administrative details and passwords, and other valuable information."
This passage serves to encourage readers to *
be aware of recent coding changes to firewalls.
protect their passwords.
be wary of using any gaming system
U
uninstall a firewall if the user has antivirus protection.

M read the sentence.what best describes the underlined part of the sentence,and why? alma plans to visit london and paris, where her parentswent on their first trip together as a married couple.it is a restrictive relative clause because it begins with arelative pronoun, has both a subject and a verb, and is notnecessary to the meaning of the sentence.it is a nonrestrictive relative clause because it begins witha relative pronoun, has both a subject and a verb, and isnecessary to the meaning of the sentence.it is a restrictive relative clause because it begins with arelative pronoun, has both a subject and a verb, and isnecessary to the meaning of the sentence.it is a nonrestrictive relative clause because it begins witha relative pronoun, has both a subject and a verb, and isnot necessary to the meaning of the sentence.