Which Two Statements About IS-IS Are Correct? (Choose Two

question 1

Multiple Choice

Which two statements about IS-IS are correct? (Choose two.)

• A) Level 1 intermediate systems exchange routing information with Level 1 intermediate systems on other IS-IS areas.
• B) An IS-IS router sets the attached bit in the PDUs it sends to a Level 1 area to indicate that it is a backbone router.
• C) A Level 1 router can only form adjacencies with other Level 1 routers.
• D) Level 2 routers can form adjacencies with either Level 1 or Level 2 routers.

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Definitions:

Marginal Cost

The cost incurred by producing an additional unit of a product or service.

Elasticity

A measure of how much the quantity demanded or supplied of a good responds to a change in one of its determinants, such as its price.

Marginal Cost

Marginal cost is the increase in total production cost that arises from producing one additional unit of a product or service.

Subsidy

A financial contribution granted by the government or a public body to help an industry or business keep the price of a commodity or service low.