Read up before you drill

CompTIA A+ Core 1 · 9 min read

CompTIA A+ Core 1 (220-1201) Cheat Sheet: Ports, Wi-Fi Standards, Cables, RAID and the Numbers to Memorise

Every number the A+ Core 1 exam expects from memory, taken from the 220-1201 objectives: the 15 TCP/UDP ports in objective 2.1, 802.11 standards and frequencies, copper and fibre cable categories, USB and Thunderbolt speeds, private IP ranges and APIPA, RAID levels, memory and storage interfaces, and the laser printing steps.

CompTIA A+ Core 1 · 11 min read

CompTIA A+ Core 1 Troubleshooting (28% of the Exam): Every Symptom in Domain 5 and What Causes It

Hardware and Network Troubleshooting is the largest domain on the 220-1201 exam. Symptom-to-cause tables for all seven objectives — motherboard/RAM/CPU/power, drives and RAID, displays, mobile devices, networks and printers — plus how CompTIA scenario questions are built, the six-step method (and why it is no longer tested), and worked examples.

CNA · 9 min read

CNA Skills Test: The 22 NNAAP Skills, the Critical Element Steps, and the Measurement Tolerances That Pass or Fail You

How the nurse-aide skills evaluation is actually scored: five skills in 30 minutes, all five must pass, hand hygiene always first, one measurement skill with a set tolerance (±4 beats, ±2 breaths, ±8 mmHg, ±2 lb, ±25 mL). The full skills list, the steps every skill shares, the bold Critical Element Steps, and the mistakes that fail candidates.

CNA · 9 min read

CNA Written Exam: The 2024 NNAAP Content Outline, Category Weights, and the Numbers to Memorise

What the nurse-aide written exam tests, category by category, from the 2024 NNAAP content outline: 70 questions (60 scored) in two hours across nine categories, with Basic Nursing Skills at 35% and ADLs at 22%. The vital-sign ranges, positioning angles, infection-control rules and scope-of-practice lines that the questions turn on, plus the oral option and retake rules.

Real Estate Salesperson · 11 min read

Agency and Contracts on the Real Estate Exam: Listing Types, Fiduciary Duties, Contract Elements and the Scenarios That Get Tested

Real Estate Contracts and Agency is the largest area of the national salesperson exam (20%), and Laws of Agency and Fiduciary Duties is about 17% of California's, second only to Practice and Disclosures. The listing agreements compared, the six fiduciary duties, what an agent must disclose regardless of the client's wishes, the elements of a valid contract, offers and counteroffers, contingencies, remedies, and California's agency-disclosure and liquidated-damages rules, with worked scenarios.

Real Estate Salesperson · 9 min read

Real Estate Exam Math: Every Formula on the National Salesperson Exam, With Worked Examples

The math the real estate licensing exam actually tests — commissions and splits, loan-to-value and points, interest and PITI, cap rate, NOI and GRM, the cost approach, property tax and assessment ratios, prorations, area and acreage, appreciation and seller's net — each with the formula, a worked example and the trap answer the exam offers.

Journeyman Electrician · 11 min read

Electrician Exam Calculations: 12 Worked NEC 2023 Problems — Ampacity, Derating, Box and Conduit Fill, Voltage Drop, Motors and Dwelling Loads

The calculation questions on the journeyman electrician exam, worked start to finish against the 2023 NEC: continuous loads, temperature correction and bundling adjustment, box fill, conduit fill with Chapter 9 Tables 4 and 5, voltage drop in both directions, a complete motor branch circuit (conductors, breaker, overloads), the dwelling standard calculation, a range over 12 kW, and grounding conductor sizing — each with the code section and the distractor the exam offers.

Journeyman Electrician · 10 min read

How to Navigate the NEC in Under a Minute: The Chapter Map, the Numbering Logic, and the 40 Most-Tested Sections on the Electrician Exam

The journeyman exam is open book, but the 2023 NEC is on a screen, not in your hands, and you get under three minutes a question. How the code is organised so you can go straight to the section — the nine chapters, what the article number tells you, the .1/.2/.3 pattern inside every article, the tables that answer most questions, a look-up drill, and the 40 sections that decide most exam items.

DMV Written Test · 6 min read

DMV Permit Test in Spanish: California, Texas and Florida Rules for 2026, and How to Prepare

Where the driver's licence knowledge test can be taken in Spanish in 2026 — California yes, Texas yes for non-commercial licences, Florida no longer since 6 February 2026 — how to ask for it, what changes and what does not, the Spanish handbooks, and how to study when the test itself will be in English. QuizCram's first Spanish practice set is in preparation.

DMV Written Test · 5 min read

Failed the DMV Written Test? What Happens Next in California, Texas and Florida

Failing the knowledge test is common and rarely costs more than time. How many attempts you get, how long you must wait, what a retake costs, when you have to reapply, and how to make the second attempt the last — for California (3 attempts, minors wait 7 days), Texas (3 attempts inside a 90-day application) and Florida ($10 per retest, no cap).

NCLEX-PN · 10 min read

NCLEX-PN Lab Values and Dosage Calculations: The Numbers to Memorise for 2026

The lab values, therapeutic drug levels and ABG rules the NCLEX-PN expects you to know without a reference, the critical results you must report, and every dosage-calculation formula with worked examples and the exam's rounding rules. Covers Pharmacological Therapies (10–16%) and Reduction of Risk Potential (9–15%).

NCLEX-PN · 12 min read

NCLEX-PN Priority and Delegation Questions: LPN Scope, ABCs, Maslow and the "Which Client First" Method

Coordinated Care is the largest NCLEX-PN category (18–24%). How to answer priority, delegation and assignment questions: what an LPN/LVN may and may not do, what can go to a UAP, the five rights of delegation, and the ABCs → Maslow → nursing-process ladder, with worked examples.

NCLEX-PN · 11 min read

NCLEX-PN in 2026: How Many Questions, How Scoring Works, and How to Pass First Time

The 2026 NCLEX-PN explained from the NCSBN test plan: 85–150 questions, 5-hour limit, computer adaptive scoring, the eight Client Needs categories and their weights, Next Gen case studies, retakes, and a 4-week study plan.

California DMV Permit · 10 min read

The 8 DMV Test Rules Most Drivers Get Wrong — Compared Across California, Texas and Florida

School-bus exceptions, following distance, headlight distances, parking gaps, turning on red, railroad rules, speed defaults and under-21 alcohol limits: the rules that fail the most practice tests, with the exact figure each state's handbook uses.

Journeyman Electrician · 11 min read

California General Electrician Exam 2026: Format, Open-Book Rules, and the NEC Tables You Must Know

The California DLSE General (journeyman) Electrician certification exam explained: 100 questions in 4.5 hours, 70% to pass, open book with NEC 2023, the four content areas and their weights, retake rules, and a cheat sheet of the NEC tables the exam leans on.

California DMV Permit · 7 min read

DMV Written Test by State (2026): California vs Texas vs Florida — Questions, Pass Score, Fees, Retakes

Side-by-side table of the California, Texas and Florida knowledge tests: number of questions, passing score, time limit, fees, retake rules, minimum ages, learner holding periods, insurance minimums and under-21 alcohol limits — each figure from the state's official handbook.

Real Estate Salesperson · 10 min read

California Real Estate Salesperson Exam 2026: 150 Questions, 70% to Pass, and What Each Section Covers

The California DRE salesperson exam explained from the RE 425 description: 150 questions in 3 hours, 105 correct to pass, the seven subject areas with their weights, how it differs from the Pearson VUE national exam, retakes, and a study order that follows the weights.

Florida Class E Permit · 9 min read

Florida Class E Knowledge Test: 2026 Guide (50 Questions, 80% to Pass)

Everything on the Florida Class E knowledge exam: 50 questions, 40 correct to pass, what the FLHSMV handbook covers, learner's license steps, retake rules, and the numbers the test asks about most.

Texas DMV Permit · 9 min read

Texas DPS Knowledge Test 2026: 30 Questions, 70% to Pass, and the DL-7 Numbers to Memorize

How the Texas Class C knowledge exam works — 30 questions, 21 correct to pass, the 90-day / three-attempt rule — plus who is exempt through driver education, the learner and provisional license steps, and the numbers from the DL-7 handbook the test asks most.

CNA · 12 min read

CNA Certification Requirements: All 50 States (2026 Guide)

Complete state-by-state CNA certification requirements: training hours, exam format, renewal rules, and reciprocity. Updated for 2026 with data from every state.

CA DMV Written Test · 8 min read

California DMV Written Test: Complete 2026 Guide

Everything you need to pass the CA DMV written test in 2026: 36 questions, 83% passing score, real test format, and the topics that trip people up most.

CompTIA A+ · 10 min read

CompTIA A+ Study Guide: Core 1 & Core 2 (2026)

Complete CompTIA A+ study guide covering both Core 1 (220-1201) and Core 2 (220-1202) exams: domain weights, study plan, practice strategies, and what to expect on test day.