Question: A router directs traffic between two ( or more ) networks; a packet filtering gateway firewall screens traffic in transit between two ( or more

A router directs traffic between two

(

or more

)

networks; a packet filtering gateway firewall screens traffic in transit between two

(

or more

)

networks. These two functions seem similar enough that perhaps they should be implemented on the same device. Explain the advantages and disadvantages of merging them onto one platform.

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