Since Filtering Needs to Be Done as Close to the Source

question 31

Short Answer

Since filtering needs to be done as close to the source as possible by routers or gateways knowing the valid address ranges of incoming packets, an _______ is best placed to ensure that valid source addresses are used in all packets from its customers.

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Definitions:

Upkeep

The process of maintaining or preserving someone or something, or the cost involved in maintaining a property, equipment, etc.

Depreciation Tax Shield

A reduction in taxable income for businesses that results from the allowance for depreciation expenses.

CCA Class

Stands for Capital Cost Allowance Class, which is a categorization used in Canadian tax law for the purpose of calculating depreciation for tax purposes.

Borrowed Money

Funds that are loaned to an individual or business with an obligation to repay the amount plus interest.