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Sample CNSF Cédula C Practice Questions

Try these sample questions to review concepts for the CNSF Cédula C exam. Each question includes a detailed explanation. Start the interactive quiz above for the full 100+ question experience with AI tutoring.

1In Mexican commercial property insurance, how is operational coinsurance (coaseguro operativo) distinguished from direct coinsurance (coaseguro directo)?
A.In operational coinsurance, the insured contracts separately with each insurer through independent policies, whereas direct coinsurance uses a single shared policy
B.In operational coinsurance, a single lead insurer issues the policy and manages administration while sharing risk with participant insurers under internal treaties; in direct coinsurance, all participating insurers appear on the policy contract
C.In operational coinsurance, the reinsurer participates directly in claim payments, whereas direct coinsurance excludes all foreign reinsurers
D.Operational coinsurance applies solely to governmental accounts, whereas direct coinsurance is restricted to private commercial corporations
Explanation: In Mexican market practice, direct coinsurance (coaseguro directo) means every co-insurer is a party to the policy, with its agreed percentage shown to the policyholder. In operational coinsurance (coaseguro operativo), a lead company issues the policy and administers it, while the pre-agreed shares are placed with the participating insurers through internal coinsurance agreements.
2A major chemical plant in Veracruz is insured under a direct coinsurance policy with four participating Mexican insurers. The lead insurer (compañía líder) holds a 40% share, while three followers hold 20% each. If one of the 20% follower insurers becomes insolvent before a total loss claim is paid, what is the legal liability of the lead insurer regarding the insolvent follower's share under standard Mexican law (LISF and LCS)?
A.The lead insurer is jointly and severally liable (solidariamente responsable) and must pay 100% of the claim, recovering later from liquidation funds
B.The lead insurer and remaining solvent followers must absorb the insolvent insurer's share pro rata to their original participations
C.The lead insurer is responsible only for its own 40% participation because coinsurance liability is joint and divisible (mancomunada), not joint and several (solidaria), unless expressly stipulated otherwise
D.The CNSF Solvency Guarantee Fund automatically compels the lead insurer to advance the missing funds within 30 days
Explanation: Under Mexican civil law, solidarity is not presumed: it arises only from the law or from the express agreement of the parties (Código Civil Federal, art. 1988). Coinsurance shares are therefore divisible (mancomunadas), so each insurer answers only for its own percentage. Unless the lead insurer expressly assumes joint and several liability, it cannot be compelled to pay an insolvent co-insurer's share.
3What is the key defining characteristic of an Absolute First Loss (Primer Riesgo Absoluto) policy condition in large industrial fire insurance?
A.The proportional rule (regla proporcional de infraseguro) is waived up to the insured sum, and losses are indemnified in full up to that limit regardless of the total value at risk
B.The insurer only pays the portion of the loss that exceeds the total replacement value of the entire industrial park
C.The insured must guarantee that the declared value equals at least 80% of the actual cash value at all times during the policy period
D.Coverage is restricted exclusively to the primary building designated as building number one in the risk survey
Explanation: Under an absolute first loss (primer riesgo absoluto) basis, the insurer pays any covered loss in full up to the stipulated sum insured, without applying the proportional underinsurance rule of LSCS art. 92. The insured is not penalised even if the total value at risk far exceeds the limit, as long as the loss stays within it.
4An industrial manufacturing facility carries a fire policy on a Relative First Loss (Primer Riesgo Relativo) basis with an agreed sum insured of $6,000,000 MXN and a declared total insurable value warranty of $20,000,000 MXN. A fire occurs, causing physical damage of $3,000,000 MXN. The expert adjustment survey reveals that the actual total insurable value of the plant at the time of the loss was $25,000,000 MXN. Neglecting deductibles, what is the payable indemnity under Mexican underinsurance principles?
A.$3,000,000 MXN
B.$2,400,000 MXN
C.$900,000 MXN
D.$720,000 MXN
Explanation: In Relative First Loss, the insured warrants a declared total insurable value ($20,000,000 MXN) against which the first loss limit ($6,000,000 MXN) was underwritten. If the actual total value at the time of loss ($25,000,000 MXN) exceeds the declared total value, the proportional rule applies as: Payable = Loss x (Declared Total Value / Actual Total Value). Here, Payable = $3,000,000 x ($20,000,000 / $25,000,000) = $3,000,000 x 0.80 = $2,400,000 MXN.
5Regarding the legal burden of proof under the Mexican Insurance Contract Law (LCS), how does an All-Risk Property Policy (Todo Riesgo de Incendio y Daños Materiales) differ from a Named Perils Policy (Riesgos Nombrados)?
A.In named perils, the insurer must prove an excluded cause operated, whereas in all-risk, the insured must prove that one of the named perils triggered the damage
B.In all-risk, the insured only needs to prove that fortuitous physical loss or damage occurred to covered property during the policy period, and the insurer bears the burden of proving that an explicit exclusion applies; in named perils, the insured must prove the damage was directly caused by an enumerated covered peril
C.In both structures the insurer bears the full burden of proving that no covered peril caused the loss
D.In all-risk policies the insured must first prove that the loss was not caused by any excluded peril before the insurer must respond
Explanation: In a named perils policy, the claimant must show that the loss was caused by one of the expressly covered perils. In an all-risk (todo riesgo) policy, the insured meets the initial burden by showing sudden, accidental physical loss to insured property during the policy term; the insurer must then prove that an express exclusion applies.
6Which of the following causes of loss is virtually universally excluded in the standard conditions of Mexican commercial fire and property all-risk policies without possibility of standard buy-back endorsement?
A.Lightning strikes causing electrical surge to secondary transformers
B.Gradual wear and tear, inherent vice, and natural deterioration (desgaste natural y vicio propio)
C.Accidental leakage from automatic fire protection sprinkler systems
D.Riot, civil commotion, and strikes (huelgas y alborotos populares)
Explanation: Wear and tear, rust, corrosion, inherent vice (vicio propio), and gradual deterioration are uninsurable inherent physical realities lacking the essential element of fortuity (aleatoriedad) required by Mexican insurance contract law. In contrast, strikes and riots, sprinkler leakage, and lightning surge can be covered either under basic conditions or via standard endorsements.
7In industrial fire protection engineering, which of the following is classified as a passive fire protection measure?
A.An automated pre-action deluge sprinkler system installed in a solvent storage warehouse
B.A 4-hour fire-rated parapeted firewall dividing two assembly warehouses
C.A network of ultraviolet and infrared optical flame detectors connected to an alarm panel
D.A diesel-powered centrifugal fire pump with automatic pressure-drop start
Explanation: Passive fire protection (protección pasiva) consists of built-in structural design elements that compartmentalize fire and prevent its spread without requiring mechanical activation, electrical power, human intervention, or extinguishing agents. Firewalls (muros cortafuego), fire-rated doors, and thermal insulation are classic passive measures. Sprinklers, detectors, and fire pumps are active systems.
8Which international standard is most commonly utilized by Mexican fire risk engineers and reinsurers to assess the design, water supply, and density requirements of automatic fire sprinkler installations?
A.ISO 9001
B.NFPA 13
C.ASME Section VIII
D.NOM-001-SEDE
Explanation: NFPA 13 (Standard for the Installation of Sprinkler Systems) from the National Fire Protection Association is the benchmark engineering standard recognized throughout Mexico and international reinsurance markets for the classification of occupancy hazards, water density, layout, and hydraulic calculations of sprinkler systems.
9In underwriting a high-hazard industrial warehouse storing flammable liquids, what is the primary engineering justification for requiring a dual-drive fire pump configuration (one electric motor and one diesel engine)?
A.To double the operating water pressure in the main ring whenever a minor fire occurs
B.To ensure continuous water pumping capability to the sprinkler and hydrant systems even if the public municipal electrical grid suffers a total blackout during a catastrophic fire
C.To reduce the sprinkler design density required for the flammable-liquid storage area
D.To allow each pump to serve a separate fire zone so that the two systems never run at the same time
Explanation: In major industrial risks, fire frequently burns through electrical substations, overhead cables, or triggers automatic utility shutdowns. A dedicated diesel-driven backup pump (NFPA 20) ensures that water supply to sprinkler networks and fire hydrants remains fully pressurized even during a total failure of public or private electrical power.
10In property loss prevention and risk assessment, what is the fundamental conceptual difference between Maximum Foreseeable Loss (MFL) and Probable Maximum Loss (PML)?
A.PML assumes all fire protection systems fail completely, whereas MFL assumes all systems work perfectly
B.MFL assumes the worst-case scenario where active fire protection systems (sprinklers, water supply, public fire department) fail entirely, being halted only by passive space separation or certified firewalls; PML assumes that primary active systems operate as designed with reasonable human delay
C.MFL applies exclusively to earthquake risks, while PML is restricted to flood and windstorm events
D.PML is calculated before applying reinsurance, while MFL is calculated exclusively by the insured's internal accounting staff
Explanation: In risk engineering guidelines (e.g., Swiss Re, FM Global), MFL (Pérdida Máxima Previsible) evaluates catastrophic vulnerability assuming complete impairment of active defenses (no water, pump failure, no fire brigade intervention), with fire containment resting solely on passive boundaries. PML (Pérdida Máxima Probable) evaluates the maximum loss expected under normal adverse circumstances with active systems operating or functioning partially.

About the CNSF Cédula C Exam

Independent CNSF Cédula C practice by OpenExamPrep. The CNSF technical capacity exam for Categoría C (riesgos especiales) is a Spanish, computer-based test of 500 multiple-choice items across seven pruebas, requiring at least 60% in each. These questions focus on the specialized content of the 90-item Riesgos especiales prueba: large commercial fire risks, proportional and non-proportional reinsurance, marine vessel hull (casco buques), aircraft hull (casco aviones), and enterprise risk management (PML/MFL). The six shared pruebas are practiced in the Cédula A and Cédula B banks. This is an English-language MCQ study adaptation, not an official translation or a simulation of the CNSF exam.

Exam sponsor: Comisión Nacional de Seguros y Fianzas (CNSF), directly or through designated application centers such as the CEI. The requirements and fees below concern the certification or admission exam, separate from our free practice resources.

Assessment

Seven separately timed and scored pruebas: the six Categoría B pruebas plus the specialized prueba Riesgos especiales

Time Limit

8 hours 32 minutes in total

Passing Score

At least 60% (Nivel I) in each prueba; 80% or more (Nivel II) keeps that prueba accredited while the authorization is renewed on time

Exam / Certification Fees

MXN 1,110 at the CNSF for the full exam (MXN 573 per single prueba) in 2026; MXN 1,340 at the CEI in Mexico City and Guadalajara

Exam sponsor website

Fees, eligibility, and exam policies can change. Confirm them with the exam sponsor before applying or paying.

Official sources

Our practice resources: topics covered

We aim to reflect publicly available exam outlines and topic information in our study resources. Coverage, format, and difficulty may differ from the actual exam, and we cannot guarantee that every detail is accurate or current. Confirm exam requirements, fees, and policies with the official exam sponsor.

22% of practice bank

Incendio (Grandes Riesgos)

Large fire risk underwriting, co-insurance, primary and excess layers, first loss, named perils vs all-risk, deductibles, fire protection standards, and claims procedures

22% of practice bank

Reaseguro

LISF and LCS legal framework, ceding and assuming companies, retention and retrocession, proportional and non-proportional treaties, facultative reinsurance, and placement slips

22% of practice bank

Marítimo y Transportes (Casco Buques)

Vessel classification, navigation limits, construction materials, valuation, Institute Time Clauses - Hulls, general average (avería gruesa), particular average, salvage, and abandonment

22% of practice bank

Marítimo y Transportes (Casco Aviones)

Aviation classification, hull ground and flight coverages, aviation third-party and passenger liability, war and hijacking risks, policy exclusions, deductibles, and claims procedures

12% of practice bank

Administración de Riesgos

Risk management process stages (identification, assessment, control, financing), risk matrices, Probable Maximum Loss (PML) vs Maximum Foreseeable Loss (MFL), and risk retention versus transfer

Preparing for the CNSF Cédula C Exam

What You Need to Know

  • Passing score: At least 60% (Nivel I) in each prueba; 80% or more (Nivel II) keeps that prueba accredited while the authorization is renewed on time
  • Assessment: Seven separately timed and scored pruebas: the six Categoría B pruebas plus the specialized prueba Riesgos especiales
  • Time limit: 8 hours 32 minutes in total
  • Exam / certification fees: MXN 1,110 at the CNSF for the full exam (MXN 573 per single prueba) in 2026; MXN 1,340 at the CEI in Mexico City and Guadalajara Official sources

Using Our Practice Resources

  • Work through all 100 available questions
  • Review every answer and explanation
  • Track weak areas and revisit them
  • Use our AI tutor for tough concepts

CNSF Cédula C: Suggested Study Strategy

1Master the difference between proportional treaties (quota share and surplus) and non-proportional treaties (excess of loss and stop loss), including priority, capacity, and lines.
2Review the Institute Time Clauses - Hulls (ITCH) and understand general average (avería gruesa under York-Antwerp Rules) versus particular average (avería particular).
3Study aviation hull policies: flight, taxiing, and ground risks, agreed value clauses, and standard exclusions such as unapproved pilots or operations outside the certificate of airworthiness.
4Understand risk engineering concepts: fire protection systems (NFPA sprinkler density, fire doors, water supply) and calculate Probable Maximum Loss (PML) versus Maximum Foreseeable Loss (MFL).

Frequently Asked Questions

What does the CNSF Cédula C authorization cover?

Under CUSF Disposition 32.3.6, Categoría C covers the special-risk segments of large fire risks (grandes riesgos de incendio) and marine and transport hull insurance for vessels (cascos de buques) and aircraft (cascos de aviones), and it also includes the segments of Categorías A and B. Reinsurance is not an authorization segment, but it is one of the topics of the Riesgos especiales prueba.

What is the structure of the Cédula C examination?

Under CUSF Disposition 32.7.1, section II, subsection g, Categoría C candidates must pass seven pruebas: the six Categoría B pruebas plus the specialized prueba Riesgos especiales (90 items). In total, the full exam consists of 500 items and takes 8 hours 32 minutes.

What score is required to pass each prueba?

Candidates need at least 60% (Nivel I) in every prueba. A prueba passed with 80% or more (Nivel II) remains accredited for as long as the authorization is renewed on time through refrendo, and it does not have to be repeated when applying for a different category (CUSF 32.7.2 and 32.7.4); pruebas passed only at Nivel I must be retaken before the refrendo.

Why does this practice bank focus on the Riesgos especiales prueba?

The six shared pruebas (Aspectos generales, individual personas, individual daños, empresariales personas, empresariales daños, and Sistema y mercados financieros) are already practiced in the Cédula A and Cédula B banks. This bank concentrates on the unique 90-item Riesgos especiales syllabus.

Are these questions an official CNSF exam simulation?

No. The official exam is administered in Spanish via the CNSF computer-based testing system. These English-language questions provide an independent study adaptation designed for conceptual review, not an official translation or simulation.