A Large Service Provider Network Has a Single-Level IS-IS Network

question 590

Multiple Choice

A large service provider network has a single-level IS-IS network with 500 routers. This network has short-haul and long-haul links. Periodically, long-haul links bounce for a short period of time, causing 10 to 20 flaps in a few minutes. The probable cause is local road construction. Although fast convergence is important, a design engineer is concerned about taxing CPU cycles on the older routers. Which solution protects the CPU of the older routers during the short periods of excessive flapping, yet has no impact on fast convergence for all interface failures?

• A) Modify the length of time that an LSP remains in the router database without being refreshed on all routers
• B) Modify hello timers on routers with short-haul links
• C) Implement a delay between successive IS-IS LSP packet transmissions on routers with long-haul links
• D) Implement LSP generation throttling on routers with long-haul links

Calculate and interpret area under the curve of a normal distribution for specified intervals.

Understand the impact of osmotic pressure on cell morphology.

Comprehend the principles behind passive and active transport processes in biological systems.

Identify the role of ATP in cellular transport mechanisms.

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