
Exam
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Search complete. 1865 mentions across 268 episodes found for "Exam".
Sep 12, 2026
[PL-300] 13, Pivoting, Unpivoting, and Transposing Data
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0:00Ran ChenHOST
For the PL300 Microsoft Power BI Data Analyst exam, reshaping wide, matrix-style data into clean, tall tabular models using pivoting, unpivoting, and transposing is a heavily tested skillset.
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0:14Ran ChenHOST
Source files from finance or operations often arrive formatted like cross-tab reports, where time periods like January, February, and March are spread horizontally across separate column headers.
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0:26Ran ChenHOST
Power BI needs this data normalized into standard attribute and value columns to build performance star schema relationships and accurate DAX measures.
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0:36Ran ChenHOST
Understanding when to use unpivot versus unpivot other columns is the most frequent trap on the PL 300 exam.
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0:43Ran ChenHOST
When you select specific month columns and click unpivot columns, Power Query hardcodes those exact column names into the M code step.
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0:53Ran ChenHOST
If next month's report arrives with an April column, Power Query will simply ignore the new column, leaving your dataset incomplete.
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1:00Ran ChenHOST
The exam-winning solution for normalizing repeated period columns is to select the static identifier columns, such as Product ID and Region, right-click, and choose Unpivot Other Columns.
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1:13Ran ChenHOST
This tells Power Query to lock down your key columns and dynamically unpivot every other current and future column into attribute and value pairs.
Series 7 Exam Prep 97, Trading and Settlement Exam Traps
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0:00Ran ChenHOST
We are tackling some of the trickiest trading and settlement concepts you'll face on the Series 7 exam, focusing on the traps that can cost you points.
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0:10Ran ChenHOST
First up is the classic confusion between stop and stop limit orders.
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0:15Ran ChenHOST
A sell stop order is placed below the current market price to limit a loss on a long position.
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0:38Ran ChenHOST
In contrast, a sell stop limit order also triggers at or below the stop price, but then it becomes a limit order.
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0:45Ran ChenHOST
This means it will only execute at the limit price or higher.
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0:49Ran ChenHOST
The exam will test this with a scenario where a stock gaps down.
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0:53Ran ChenHOST
The stop order executes at a poor price, while the stop limit order might not execute at all if the price immediately drops below the limit.
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1:02Ran ChenHOST
Remember this mental shortcut.
Florida Real Estate Exam Prep 43, CMA BPO and Appraisal Regulation
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0:00Ran ChenHOST
For the Florida real estate exam, you must be able to clearly distinguish between an appraisal, a comparative market analysis, and a broker price opinion.
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0:09Ran ChenHOST
The test will focus on who can perform each, when they are used, how compensation works, and the strict legal boundaries set by Florida law.
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0:18Ran ChenHOST
An appraisal is a formal, unbiased opinion of value performed by a state-licensed or certified appraiser.
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0:41Ran ChenHOST
Next is the Comparative Market Analysis, or CMA.
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0:45Ran ChenHOST
A CMA is an informal estimate of a property's market value prepared by a real estate licensee to help a seller determine a listing price or a buyer decide on an offering price.
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0:56Ran ChenHOST
A key exam point is that a CMA cannot be called an appraisal.
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1:01Ran ChenHOST
It is a tool used in the course of listing or selling property, and licensees typically do not charge a separate fee for preparing one.
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1:09Ran ChenHOST
Then we have the broker price opinion or BPO.
CAPM Exam Prep 65, Kanban — WIP Limits and Pull System
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0:00Ran ChenHOST
We are covering Kanban, specifically work-in-progress limits and the pull system for your CAPM exam.
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0:07Ran ChenHOST
The exam will test your ability to recognize that Kanban is fundamentally a pull system, not a push system.
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0:14Ran ChenHOST
A push system involves forecasting demand and pushing work onto the team, often leading to excess inventory and overburdened team members.
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0:24Ran ChenHOST
In stark contrast, a Pull system, which is the heart of Kanban, means new work is only pulled into the workflow when there is available capacity.
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0:32Ran ChenHOST
The mechanism that makes this possible and a favorite topic for exam questions is the work in progress or WIP limit.
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0:40Ran ChenHOST
A WIP limit is a hard cap on the number of tasks allowed in a specific column or stage of the workflow at any one time.
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0:48Ran ChenHOST
For example, imagine a Kanban board with columns for to-do, in-development, and testing.
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0:54Ran ChenHOST
If the in-development column has a WIP limit of three, the team is not allowed to start a fourth task, no matter how urgent it seems, until one of the current three tasks is moved to the next column, testing.
California Notary Exam Prep 38, Peace-Officer Journal Seizure
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0:00Ran ChenHOST
We are covering a critical topic for the California Notary Public Exam, the seizure of your official notarial journal by a peace officer.
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0:08Ran ChenHOST
The exam will test you on the specific conditions for seizure, the required actions on your part, and the strict timelines you must follow.
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0:16Ran ChenHOST
A California peace officer, as defined in the Penal Code, may seize your journal if they are investigating a criminal offense and have probable cause to believe the journal contains evidence of that crime.
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0:28Ran ChenHOST
An exam trap might present a scenario where an attorney with a subpoena demands the journal.
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0:34Ran ChenHOST
While you must provide copies under a subpoena, only a peace officer under specific criminal investigation conditions can physically seize the entire journal on the spot.
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0:44Ran ChenHOST
Willful failure to surrender your journal to a peace officer when lawfully requested can result in a civil penalty of up to $2,500.
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1:07Ran ChenHOST
This notification must be sent by certified mail.
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1:11Ran ChenHOST
or another physical delivery method that provides a receipt within 10 days of the seizure.
NHA CCMA Exam Prep 37, Body-System Integration and Common Disorders
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0:00Ran ChenHOST
Today we are tackling a complex but critical topic for the NHA CCMA exam, body system integration and common disorders.
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0:10Ran ChenHOST
The exam expects you to think like a provider's trusted partner, connecting observations across different body systems without ever making a diagnosis.
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0:20Ran ChenHOST
Let's walk through an exam-style scenario.
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0:23Ran ChenHOST
The 68-year-old patient with a history of hypertension arrives complaining of increasing shortness of breath, fatigue, and swollen ankles.
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0:32Ran ChenHOST
As the medical assistant, your job is to gather initial data.
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0:37Ran ChenHOST
Blood pressure is elevated at 158 over 96. pulse is rapid and slightly irregular at 110 beats per minute, respirations are fast at 26 per minute, and his oxygen saturation is 92% on room air.
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0:53Ran ChenHOST
You also note 2-plus pitting edema in his feet and ankles.
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0:58Ran ChenHOST
The NHA CCMA exam will not ask you to diagnose this patient with congestive heart failure.
Florida Real Estate Exam Prep 42, Income Capitalization and Investment Math
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0:00Ran ChenHOST
Today we're tackling income capitalization and investment math, a critical topic on the Florida real estate exam.
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0:06Ran ChenHOST
The core of this concept is the income capitalization approach, which helps investors determine a property's value based on the income it generates.
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0:14Ran ChenHOST
The relationship between net operating income, the capitalization rate, and value is often visualized as a triangle.
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0:22Ran ChenHOST
Using the IRV formula, income equals rate times value.
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0:26Ran ChenHOST
Knowing this allows you to solve for any one of the three variables if the other two are provided, a common format for exam questions.
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0:33Ran ChenHOST
To find a property's value, you first need to calculate its net operating income, or NOI.
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0:39Ran ChenHOST
The calculation begins with potential gross income, which is the maximum rent you could collect with 100% occupancy.
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0:53Ran ChenHOST
Finally, you subtract all operating expenses.
Enrolled Agent Exam [Part 3] 37, Preparer Penalty Assessment and Appeal
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0:00Ran ChenHOST
We are covering the assessment and appeal process for preparer penalties on the Enrolled Agent Part 3 exam.
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0:06Ran ChenHOST
The exam tests this process sequentially, so you must know the specific steps and what rights a preparer has at each stage.
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0:14Ran ChenHOST
It all begins when an IRS examiner identifies a potential violation, such as an understatement of tax due to an unreasonable position under Internal Revenue Code section 6694.
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0:27Ran ChenHOST
A critical first step and a common exam trap is the requirement for supervisory approval.
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0:33Ran ChenHOST
Before the IRS can even propose the penalty to the preparer, the examiner's immediate supervisor must review the case and approve the penalty in writing.
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0:42Ran ChenHOST
The exam might present a scenario where verbal approval was given, but this is insufficient.
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0:47Ran ChenHOST
Written approval is mandatory.
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0:50Ran ChenHOST
Once approved, the IRS formally proposes the penalty by sending the preparer a 30-day letter.
CAPM Exam Prep 64, Sprint Retrospective — Team Improves Itself
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0:00Ran ChenHOST
We're tackling the Sprint Retrospective for the CAPM exam.
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0:03Ran ChenHOST
This is the final formal event of the Sprint.
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0:06Ran ChenHOST
Its purpose is to plan ways to increase quality and effectiveness.
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0:25Ran ChenHOST
For a one-month sprint, this event is time-boxed to a maximum of three hours.
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0:30Ran ChenHOST
For shorter sprints, the meeting is usually shorter.
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0:33Ran ChenHOST
The exam will test you on the unique purpose of this meeting.
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0:36Ran ChenHOST
The key is that the sprint retrospective is about inspecting the team and the process, not the product.
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0:43Ran ChenHOST
That's the job of the sprint review.
California Notary Exam Prep 37, Public Requests for Journal Copies
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0:00Ran ChenHOST
We are covering how a California notary public must respond to public requests for copies of their journal entries, a topic frequently tested on the California notary exam.
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0:11Ran ChenHOST
According to California government code, any member of the public can request a copy of a journal line item.
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0:17Ran ChenHOST
For the exam, you must know that this request must be in writing.
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0:22Ran ChenHOST
A verbal request is not valid.
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0:24Ran ChenHOST
The written request must contain specific information to be considered proper.
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0:29Ran ChenHOST
The names of the parties involved in the transaction, the type of document that was notarized, and the month and year the notarization occurred.
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0:38Ran ChenHOST
If a request is missing any of these elements, the notary is not obligated to respond.
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0:44Ran ChenHOST
A very common exam question revolves around the required response time.
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