True, Authentication is used to check if a user is legitimate., Encryption scrambles messages so only the sender and intended receiver can read them., Firewalls can scan data packets for malicious code., Every device on a network has a unique MAC address., MAC filtering allows only pre-approved devices to connect to a network., False, Networks are always safe from outside attacks., Username and password are the only form of authentication., Firewalls allow data to flow freely in and out without checks., A MAC address can be easily changed by anyone., Two-factor authentication makes a system completely unhackable.

Network Security True or False

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