USPS Exam 421 Window
Clerk Practice Questions
and Answers
Denning [Date] [Course title]
,USPS Mission -Correct Answers: :Provide, trusted, affordable, universal
24-Hour Clock -Correct Answers: :Improve effectiveness through standardization & innovation. End-to-
end process to ensure mail is Collected, distributed, and delivered. USPS runs on this.
Delivery Methods -Correct Answers: :Planes, trucks, cars, boats, bicycles, snow mobiles, mules.
APC -Correct Answers: :Automated Postal Centers
Automated Postal Centers -Correct Answers: :Self-serve kiosks, commercial retail outlets, banks, ATMs.
Mail Arrival Profile -Correct Answers: :Determines operational startup & staffing.
CET -Correct Answers: :Critical Entry Time
Clearance Time -Correct Answers: :Mail is cleared for dispatch.
18:00 -Correct Answers: :Carriers in from street.
20:00 -Correct Answers: :80% of collection mail should be cancelled at the P&DC.
23:00 -Correct Answers: :Out of primary processing.
24:00 -Correct Answers: :Secondary Operations Complete
04:00-09:00 -Correct Answers: :Distribute to DDC/DDU
07:00 -Correct Answers: :100% of DPS 2nd pass complete.
,Core Responsibility -Correct Answers: :Security, Sanctity, Preserve, Protect - Instills customer
confidence, projects positive public image, maintains competitive advantage, protects privacy.
PolicyNet -Correct Answers: :Online resource to find handbooks, manuals, publications.
Directives -Correct Answers: :Policies, Procedures, Regulations - Effects in four ways: productivity,
revenue, legal liability, customer service.
DMM -Correct Answers: :Domestic Mail Manual
Domestic Mail Manual -Correct Answers: :DMM - Policies, procedures and regulatins for domestic mail.
Information on extra services, postage prices, mail classes.
IMM -Correct Answers: :International Mail Manual
International Mail Manual -Correct Answers: :IMM - Mailing conditions for each country, also includes a
list of countries.
ASM -Correct Answers: :Adminstrative Support Manual
Administrative Support Manual -Correct Answers: :Policies, procedures for adminstrative and support
functions. Information covering audits, investigations, communication, facilities, equipment and privacy.
POM -Correct Answers: :Postal Operations Manual
Postal Operations Manual -Correct Answers: :Operations function of field organizations. Information
regarding retail, philatelic, collection, mail processing, transportation, delivery, vehical operation.
ELM -Correct Answers: :Employee & Labor Relations Manual
, Employee & Labor Relations Manual -Correct Answers: :Personnel policies and regulations. Employee
placement, pay, benefits, training, health and environment, labor relations.
F101 -Correct Answers: :Field Accounting Procedures
AS or MS -Correct Answers: :Handbook ID for Administrative Support Manual (ASM)
DM -Correct Answers: :Handbook ID for Domestic Mail Manual (DMM)
EL or P -Correct Answers: :Handbook ID for Employee & Labor Relations Manual (ELM)
M -Correct Answers: :Handbook ID for Postal Operations Manual (POM) or Administrative Support
Manual (ASM)
PO -Correct Answers: :Handbook ID for Postal Operations Manual (POM)
Publications -Correct Answers: :Primarily for public, marketing and mail guidelines.
Postal Bulletin -Correct Answers: :Official source of updates and amendments to current directives. Can
be accessed through PolicyNet. Biweekly.
Postal Forms -Correct Answers: :Can be searched by title or number. Website also provides links to
OPM, GSA, TSH, OSHA, OWCP.
Publication 223 -Correct Answers: :Information regarding directives and forms catalog.
#1 Business Goal -Correct Answers: :Strengthening customer relationship.
Value, Exceptional Service, Reliability -Correct Answers: :Will increase revenue, missed opportunity is
missed revenue, quality end-to-end service.