There Are Two Routers (RTA and RTB) Between the Source

question 440

Multiple Choice

There are two routers (RTA and RTB) between the source device and destination device. The Tracert command is used to detect the path between the two devices. During detection of the first hop (RTA) , the source device sends a UDP packet with a TTL of 1 to an interface with a large interface number on the destination device. The TTL turns to 0 when the packet arrives at RTB, upon which RTA sends an ICMP ______ message to the source device.

• A) Time Exceeded.
• B) Echo Request.
• C) Echo Reply.
• D) Port Unreachable.

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Definitions:

Break-even Point

The production level or sales volume at which total revenues equal total expenses, resulting in no net profit or loss.

Sensitivity Analysis

An approach to assess how different values of an independent variable affect a specific dependent variable under a given set of assumptions.

CVP Analysis

Cost-Volume-Profit Analysis, a tool that helps managers understand the relationship between cost, volume, and profit by identifying the break-even point or targeted profit output.

Breakeven Chart

A graphical representation that shows when total cost and total revenue are expected to be equal, indicating no net loss or gain.