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USPS EXAM 421 WINDOW CLERK
PRACTICE 2025 WITH 100% VERIFIED
QUESTIONS AND EXPERT
SOLUTIONS| GUARANTEED VALUE
AND SUCCESS.
1. Highest Level Available - correct answer - The level that items needing
secure storage should be kept at.
2. Priorities of Protection - correct answer - 1. Postal Funds
2 Stamps, IRC, MO, philatetic
Stamped envelopes/cards, imprinter, non-postal
3. Payment Methods - correct answer - Cash, CC/DC, Checks, Traveler's
Checks, MO, Cashier's Check, Certified Checks
4. CC Payment - correct answer - Everything except Trust Fund deposits,
pre-cancelled stamps, MO, COD, Employee debt payment, Passport
fees, EDDM
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5. CC Accepted - correct answer - Visa, MC, American Express,
Discovery, Japan Credit Bureau, Diners Club/Carte Blanche. In order to
accept CC payment, card must be signed.
6. DC Accepted - correct answer - All except Passport fees. Cannot be
immediately reversed, must use PS3533 for refund.
7. Advanced Deposits - correct answer - Should not be left unattended. Do
not let cash accumulate.
8. Payment Card Industry - correct answer - PCI
9. PCI - correct answer - Payment Card Industry
10. Data Security Standards - correct answer - DSS
11. DSS - correct answer - Data Security Standards
12. PCI DSS - correct answer - Creates level of protection for card
issuers by ensuring merchants meet minimum levels of security.
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13. Primary Account Number - correct answer - PAN - Data required to
be encrypted. Contains all digits.
14. PAN - correct answer - Primary Account Number
15. Protected CC Info - correct answer - Name, PAN, Expiration Date,
CVV2, Magnetic Strip
16. Skimming Device/Cell Phone Pix - correct answer - Illegal methods
used to obtain CC info.
17. Credit Cards - correct answer - Cannot be used for payment of MO,
Trust Fund Deposits, Passports, Permit Imprint Deposits, Purchase of
Precanceled Stamps, Periodicals Postage, Postage Meter Settings,
Money-By-Wire, Employee debt reconciliation, COD, Bulk mailings.
18. Consumer Price Index - correct answer - Mailing Services are tied to
this.
19. 02:30 - correct answer - Assigned Committed Air, Fed Ex outgoing
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20. PS6401 - correct answer - Money Order Inquiry - Fee is required to
use form - Used for domestic and international. For lost or stolen Money
Orders.
21. Cashing Money Orders - correct answer - Look for security features
(Franklin watermark), dark line, usps words, check missing/lost/stolen
list. If security features are not present ask the customer to wait and
speak to a supervisor, they will contact the Inspection Service. ID is
required, MO must be properly endorsed.
22. Money Order Storage - correct answer - Stored under largest
denomination bills in cash drawer.
23. Money Laundering - correct answer - Takes financial instruments
such as money orders (buys with dirty money), cashes money orders
and gets clean money. Called Smurfs.
24. FinCEN - correct answer - Financial Crime Enforcement Network -
oversees BSA compliance.
25. BSA Fines - correct answer - USPS can be fined $25,000 per day.
USPS EXAM 421 WINDOW CLERK
PRACTICE 2025 WITH 100% VERIFIED
QUESTIONS AND EXPERT
SOLUTIONS| GUARANTEED VALUE
AND SUCCESS.
1. Highest Level Available - correct answer - The level that items needing
secure storage should be kept at.
2. Priorities of Protection - correct answer - 1. Postal Funds
2 Stamps, IRC, MO, philatetic
Stamped envelopes/cards, imprinter, non-postal
3. Payment Methods - correct answer - Cash, CC/DC, Checks, Traveler's
Checks, MO, Cashier's Check, Certified Checks
4. CC Payment - correct answer - Everything except Trust Fund deposits,
pre-cancelled stamps, MO, COD, Employee debt payment, Passport
fees, EDDM
, Page |2
5. CC Accepted - correct answer - Visa, MC, American Express,
Discovery, Japan Credit Bureau, Diners Club/Carte Blanche. In order to
accept CC payment, card must be signed.
6. DC Accepted - correct answer - All except Passport fees. Cannot be
immediately reversed, must use PS3533 for refund.
7. Advanced Deposits - correct answer - Should not be left unattended. Do
not let cash accumulate.
8. Payment Card Industry - correct answer - PCI
9. PCI - correct answer - Payment Card Industry
10. Data Security Standards - correct answer - DSS
11. DSS - correct answer - Data Security Standards
12. PCI DSS - correct answer - Creates level of protection for card
issuers by ensuring merchants meet minimum levels of security.
, Page |3
13. Primary Account Number - correct answer - PAN - Data required to
be encrypted. Contains all digits.
14. PAN - correct answer - Primary Account Number
15. Protected CC Info - correct answer - Name, PAN, Expiration Date,
CVV2, Magnetic Strip
16. Skimming Device/Cell Phone Pix - correct answer - Illegal methods
used to obtain CC info.
17. Credit Cards - correct answer - Cannot be used for payment of MO,
Trust Fund Deposits, Passports, Permit Imprint Deposits, Purchase of
Precanceled Stamps, Periodicals Postage, Postage Meter Settings,
Money-By-Wire, Employee debt reconciliation, COD, Bulk mailings.
18. Consumer Price Index - correct answer - Mailing Services are tied to
this.
19. 02:30 - correct answer - Assigned Committed Air, Fed Ex outgoing
, Page |4
20. PS6401 - correct answer - Money Order Inquiry - Fee is required to
use form - Used for domestic and international. For lost or stolen Money
Orders.
21. Cashing Money Orders - correct answer - Look for security features
(Franklin watermark), dark line, usps words, check missing/lost/stolen
list. If security features are not present ask the customer to wait and
speak to a supervisor, they will contact the Inspection Service. ID is
required, MO must be properly endorsed.
22. Money Order Storage - correct answer - Stored under largest
denomination bills in cash drawer.
23. Money Laundering - correct answer - Takes financial instruments
such as money orders (buys with dirty money), cashes money orders
and gets clean money. Called Smurfs.
24. FinCEN - correct answer - Financial Crime Enforcement Network -
oversees BSA compliance.
25. BSA Fines - correct answer - USPS can be fined $25,000 per day.
