EDI Standards and Protocols 3 — Questions and Answers
Question 1: What is the GS segment used for in X12 EDI?
- Global sender identification
- Functional group header (Correct answer)
- Geographic segment routing
- Group security authentication
Correct answer: Functional group header
The GS segment is the Functional Group Header that groups related transaction sets of the same type within an interchange.
Question 2: In EDI X12, a 'loop' refers to what structural element?
- A repeated interchange cycle
- A set of segments that may repeat as a unit (Correct answer)
- A circular reference between trading partners
- An error in segment sequencing
Correct answer: A set of segments that may repeat as a unit
A loop is a defined group of related segments that can repeat together a specified maximum number of times.
Question 3: What does 'TA1' represent in X12 EDI?
- Trading Agreement version 1
- Interchange Acknowledgment segment (Correct answer)
- Technical Archive level 1
- Transaction Acceptance indicator
Correct answer: Interchange Acknowledgment segment
TA1 is the Interchange Acknowledgment used to report the acceptance or rejection of an ISA/IEA interchange envelope.
Question 4: Which EDI standard is primarily used in the UK retail industry?
- ANSI X12
- EDIFACT
- TRADACOMS (Correct answer)
- HL7
Correct answer: TRADACOMS
TRADACOMS (Trading Data Communications Standards) was developed by GS1 UK and is widely used in British retail supply chains.
Question 5: What is the maximum number of characters allowed in an X12 ISA segment?
- 106 characters (Correct answer)
- 200 characters
- 512 characters
- No fixed limit
Correct answer: 106 characters
The ISA segment has a fixed length of 106 characters, as all its fields have defined fixed widths.
Question 6: In EDIFACT, what does the UNH segment indicate?
- UN header for the entire file
- Message header opening a single message (Correct answer)
- Universal naming hierarchy
- Unstructured note header
Correct answer: Message header opening a single message
UNH (Message Header) marks the beginning of a single EDIFACT message, containing the message reference number and type identifier.
Question 7: Which X12 transaction set is the Advanced Ship Notice (ASN)?
- 810
- 832
- 850
- 856 (Correct answer)
Correct answer: 856
The 856 Ship Notice/Manifest (ASN) is sent by a supplier to notify a buyer of shipment details before goods arrive.
EDI Standards and Protocols 3
What is the GS segment used for in X12 EDI?