Certified Professional Buyer (CPB)
Examination Practice Exam 2026 | 100
Questions & Answers with Detailed
Rationales | Complete CPB Exam Prep &
Study Guide
1. What is the primary objective of professional purchasing?
A. Increase the number of suppliers
B. Obtain the right goods or services at the right quality, quantity, time, source,
and price
C. Eliminate all supplier relationships
D. Reduce inventory to zero
Answer: The right goods or services at the right quality, quantity, time, source,
and price
Rationale: Effective purchasing balances quality, quantity, timing, source, and
cost to support organizational objectives.
2. Which purchasing activity typically occurs first in the procurement cycle?
A. Supplier evaluation
B. Invoice approval
,C. Identification of a purchasing need
D. Contract termination
Answer: Identification of a purchasing need
Rationale: Procurement begins when an internal customer identifies a
legitimate need for goods or services.
3. What document formally communicates a buyer's request for suppliers to
submit pricing and terms?
A. Purchase receipt
B. Packing slip
C. Request for Quotation (RFQ)
D. Payment voucher
Answer: Request for Quotation (RFQ)
Rationale: An RFQ is commonly used when requirements are sufficiently defined
and suppliers are asked to provide prices and commercial terms.
4. Which purchasing method is most appropriate when the buyer knows
exactly what specifications are required and primarily wants competitive
pricing?
A. Request for Information
B. Request for Quotation
C. Brainstorming session
D. Informal interview
Answer: Request for Quotation
Rationale: RFQs work well for standardized requirements where suppliers can
quote against clearly defined specifications.
5. What is the main purpose of a purchase order?
,A. Replace the supplier's invoice
B. Authorize and document the purchase transaction
C. Record employee attendance
D. Calculate depreciation
Answer: Authorize and document the purchase transaction
Rationale: A purchase order establishes the buyer's authorized requirements,
quantities, prices, delivery terms, and other conditions.
6. Which factor is generally most important when evaluating a strategic
supplier?
A. Office location alone
B. Advertising budget
C. Total value delivered to the organization
D. Number of employees
Answer: Total value delivered to the organization
Rationale: Strategic supplier evaluation should consider cost, quality, reliability,
service, innovation, risk, and other dimensions of total value.
7. What does Total Cost of Ownership (TCO) include?
A. Purchase price only
B. All significant costs associated with acquiring, using, maintaining, and
disposing of an item
C. Supplier profit only
D. Transportation cost only
Answer: All significant costs associated with acquiring, using, maintaining, and
disposing of an item
Rationale: TCO provides a broader cost perspective than purchase price by
considering costs throughout the item's lifecycle.
, 8. Which purchasing strategy is designed to reduce dependence on a single
supplier?
A. Single sourcing
B. Multiple sourcing
C. Sole sourcing
D. Emergency sourcing
Answer: Multiple sourcing
Rationale: Multiple sourcing distributes supply risk among qualified suppliers
and can improve continuity of supply.
9. What is sole sourcing?
A. Purchasing from many suppliers
B. Purchasing a particular item from one supplier when alternatives may exist
C. Buying only locally
D. Buying without a purchase order
Answer: Purchasing a particular item from one supplier when alternatives may
exist
Rationale: Sole sourcing involves deliberately selecting one supplier even though
other potential sources may be available.
10.What is single sourcing?
A. Purchasing from no supplier
B. Selecting one supplier for a particular requirement, often as a deliberate
strategic decision
C. Buying from a supplier without negotiation
D. Purchasing only emergency items
Answer: Selecting one supplier for a particular requirement, often as a
deliberate strategic decision
Examination Practice Exam 2026 | 100
Questions & Answers with Detailed
Rationales | Complete CPB Exam Prep &
Study Guide
1. What is the primary objective of professional purchasing?
A. Increase the number of suppliers
B. Obtain the right goods or services at the right quality, quantity, time, source,
and price
C. Eliminate all supplier relationships
D. Reduce inventory to zero
Answer: The right goods or services at the right quality, quantity, time, source,
and price
Rationale: Effective purchasing balances quality, quantity, timing, source, and
cost to support organizational objectives.
2. Which purchasing activity typically occurs first in the procurement cycle?
A. Supplier evaluation
B. Invoice approval
,C. Identification of a purchasing need
D. Contract termination
Answer: Identification of a purchasing need
Rationale: Procurement begins when an internal customer identifies a
legitimate need for goods or services.
3. What document formally communicates a buyer's request for suppliers to
submit pricing and terms?
A. Purchase receipt
B. Packing slip
C. Request for Quotation (RFQ)
D. Payment voucher
Answer: Request for Quotation (RFQ)
Rationale: An RFQ is commonly used when requirements are sufficiently defined
and suppliers are asked to provide prices and commercial terms.
4. Which purchasing method is most appropriate when the buyer knows
exactly what specifications are required and primarily wants competitive
pricing?
A. Request for Information
B. Request for Quotation
C. Brainstorming session
D. Informal interview
Answer: Request for Quotation
Rationale: RFQs work well for standardized requirements where suppliers can
quote against clearly defined specifications.
5. What is the main purpose of a purchase order?
,A. Replace the supplier's invoice
B. Authorize and document the purchase transaction
C. Record employee attendance
D. Calculate depreciation
Answer: Authorize and document the purchase transaction
Rationale: A purchase order establishes the buyer's authorized requirements,
quantities, prices, delivery terms, and other conditions.
6. Which factor is generally most important when evaluating a strategic
supplier?
A. Office location alone
B. Advertising budget
C. Total value delivered to the organization
D. Number of employees
Answer: Total value delivered to the organization
Rationale: Strategic supplier evaluation should consider cost, quality, reliability,
service, innovation, risk, and other dimensions of total value.
7. What does Total Cost of Ownership (TCO) include?
A. Purchase price only
B. All significant costs associated with acquiring, using, maintaining, and
disposing of an item
C. Supplier profit only
D. Transportation cost only
Answer: All significant costs associated with acquiring, using, maintaining, and
disposing of an item
Rationale: TCO provides a broader cost perspective than purchase price by
considering costs throughout the item's lifecycle.
, 8. Which purchasing strategy is designed to reduce dependence on a single
supplier?
A. Single sourcing
B. Multiple sourcing
C. Sole sourcing
D. Emergency sourcing
Answer: Multiple sourcing
Rationale: Multiple sourcing distributes supply risk among qualified suppliers
and can improve continuity of supply.
9. What is sole sourcing?
A. Purchasing from many suppliers
B. Purchasing a particular item from one supplier when alternatives may exist
C. Buying only locally
D. Buying without a purchase order
Answer: Purchasing a particular item from one supplier when alternatives may
exist
Rationale: Sole sourcing involves deliberately selecting one supplier even though
other potential sources may be available.
10.What is single sourcing?
A. Purchasing from no supplier
B. Selecting one supplier for a particular requirement, often as a deliberate
strategic decision
C. Buying from a supplier without negotiation
D. Purchasing only emergency items
Answer: Selecting one supplier for a particular requirement, often as a
deliberate strategic decision
