Which of the following is a feature in Excel that can often perform the same task as the PROPER function?

Which of the following cannot be prevented through firewall, antivirus, antispyware, antigrayware, encryption, and domain authentication techniques?

A) Spamming B) Social engineering C) Physical attacks D) Denial of service attacks

Which of the following is an advantage of Cisco VPNs?

A) It uses 3DES. B) It can handle packets larger than 500 bytes. C) It can create up to 60 virtual tunnels per second. D) All of the above