Which of the following devices can be used in a network to p

Which of the following devices can be used in a network to provide for security. Choose All of the correct ones from this list.

- Packet filtering routers with Access Control Lists (ACLs) that are reviewed monthly or any time there is a notification from reliable sources of a new method for attacking network-level infrastructure.

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High performance automated email scanning devices used to input data directly into accounts payable records.

- Virtual Private Network (VPN) devices based on well-known protocols such as SSL version 3 or TLS.

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Large Level 2 Cache Memory so that CPU performance is enhanced.

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Intrusion Detection System (IDS)

- Subscription to vulnerability information services and other security news services so that administrators may stay informed about important information.

- Software developed by former employees where the source code is not under any maintenance contract, but for which there is no ongoing support costs because budget concerns would not allow for either a replacement or maintenance. The software has never failed in anyone\'s memory.

Solution

1)Packet filtering routers with Access Control Lists (ACLs) that are reviewed monthly or any time there is a notification from reliable sources of a new method for attacking network-level infrastructure 2)High performance automated email scanning devices used to input data directly into accounts payable records 3)Virtual Private Network (VPN) devices based on well-known protocols such as SSL version 3 or TLS. 5)Intrusion Detection System (IDS)