firewall and proxy server

___________________ can protect us from hacker when using internet

• anti-virus software

• anti-spyware software

• firewall

• Back up

Firewall is a software only

• agree

• disagree

Choose the best characteristics of firewall

• block an incoming IP address

• block an outgoing data

• block both incoming and outgoing port

• all of the above

Firewall cannot

• examine traffic between user's computer and public network

• checking whether incoming and outgoing data meet the set criteria

• logging all incoming and outgoing traffic

• hide the IP address of the user's computer

Firewall is slower than proxy server when communicating with websites

• Agree

• Disagree

Proxy server can act as a firewall

• Agree

• Disagree

Proxy server cannot

• allow internet traffic to be filtered

• use cache to speed up communication

• keeping the IP address of the user secret

• encrypt the incoming and outgoing data

Firewall and proxy server are available in the operating system

• Agree

• Disagree