Students at a university reach the learning system from classrooms and the library, but the same pages fail only in the residence halls. Where should the team place an agent so the test can see that failure?
Select an answer to reveal the explanation.
Short Explanation
You wouldn't taste a burnt pot of soup from a restaurant across town. Place the agent on the dorm network, because that's where the students actually fail. A cloud probe, a headquarters closet, and a laptop in some other office are all standing in the wrong room.
Full Explanation
The failure is confined to the residence halls, so the agent has to sit on the dorm network those students use or the test will keep succeeding from somewhere else. A vantage point measures the path in front of it, and a healthy path does not describe the halls. A cloud probe on the public Internet sees the learning system from outside and misses a break that exists only on the dorm network. An agent kept only in the headquarters closet measures the closet's path, which is not the path from the residence halls. A laptop in a staff office is off the dorm path as well, so its result describes the office rather than the students who are failing. Moving any of those three vantage points still leaves the test off the network where the pages fail. Exam caveat: when the same target works from one place and fails from another, place the agent with the users who fail. Operational check: run the same learning-system test from the dorm network and from the library, and confirm the failure shows up only on the dorm vantage.