At What Two Layers of the OSI Model Are LAN

question 1

Multiple Choice

At what two layers of the OSI model are LAN and WAN protocols likely to differ?

• A)Layer 4
• B)Layer 2
• C)Layer 1
• D)Layer 3

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Definitions:

Excess Reserves

The amount of reserves that a bank holds beyond the required minimum, often held in the central bank to lend to other banks or as currency in circulation.

Required Reserves

The minimum amount of funds that a bank is required to hold in reserve against deposits, as mandated by central banking regulations.

Demand Deposits

Bank accounts that allow the holder to withdraw funds without prior notice, such as checking accounts.

Time Deposits

Savings accounts or certificates of deposit that hold a fixed sum of money for a specified period of time, during which the depositor cannot withdraw the funds without penalty.