The final test

E1 A specification is at version 19.4.2. What does the third digit tell you?

• Four change requests were approved into it
• Purely editorial changes have been incorporated since 19.4.0
• It is the second document of Release 19

E2 At what moment does a 3GPP specification come under change control?

• When the working group agrees the first draft
• When the plenary has approved it and version x.0.0, with x at least 3, has been produced
• When the Support Team allocates its specification number

E3 Which category letter marks a change request that adds or deletes a feature?

• F
• A
• B

E4 Who allocates a change request number?

• The 3GPP portal or the Support Team
• The secretary of the working group
• The rapporteur of the specification

E5 What is the minimum support every work item needs, whatever its size?

• Approval by two Technical Specification Groups
• Two Member Organizations and a rapporteur
• At least four Member Organizations willing to offer active participation

E6 TR 21.900 requires a stand-alone OpenAPI file to be published in which format, defined by whom?

• Whatever format the responsible working group chooses
• UTF-8, as specified in IETF RFC 3629
• XML, as specified in the 3GPP drafting rules

E7 A working group records a document as "agreed". What still has to happen?

• The document has to be revised before the next meeting
• Nothing; agreed is a final conclusion
• A higher body has to confirm the decision

E8 May a product be advertised as complying with an Internet-Draft?

• Only after the IETF-wide Last Call has closed
• Yes, once the working group has adopted the draft
• No — Internet-Drafts have no formal status and may change or be removed at any time

E9 Who determines whether rough consensus has been reached in an IETF working group?

• The chair
• A simple majority of those present
• The area director

E10 An RFC that cites RFC 8174 uses the word "should" in lower case. What does it carry?

• Nothing special; only uppercase usage carries the defined meaning
• A requirement, because RFC 8174 removed the distinction
• The defined SHOULD meaning, since the document imported the keywords

E11 What reason does TR 21.900 give for needing strict and fast procedures?

• The documents are too long to review by hand
• The specifications are written by volunteers who come and go
• Industry implements the specifications almost in parallel with the writing of them

E12 What is a Working Group, in the words of the definitions clause?

• An official subgroup of a TSG, reporting to that TSG
• A group of member companies sponsoring a work item
• Any gathering of delegates working on one topic

E13 How do you tell which Release a specification version belongs to?

• From the specification number
• From the first field of the version number
• From the date it was approved

E14 What version number does a brand new specification start at?

• 0.0.0
• 0.1.0
• 1.0.0

E15 Who may raise a Change Request?

• Any individual member, who brings it to the attention of the responsible group
• Any Working Group, by agreement in a meeting
• The rapporteur of the specification

E16 What does "Work Item" cover?

• Any change request with a category of B or C
• Only a feature and its building blocks
• A Study Item, a Feature, a Building Block and a Work Task

E17 In version x.y.z, what does the third digit record?

• That purely editorial changes have been incorporated
• Which meeting produced the version
• How many change requests have been approved

E18 What is a TDoc?

• A written contribution to a 3GPP meeting
• A draft of a Technical Specification
• The minutes of a meeting

E19 Which verb makes a 3GPP sentence a requirement from which no deviation is permitted?

• will
• must
• shall

E20 Who is a member of the IETF?

• Any company paying the annual fee
• Nobody — there is no formal membership, and participation is open to all
• Any organisation nominated by a national standards body