SOAP
An XML envelope over HTTP or JMS, described by WSDL and extended by WS-* standards for security, addressing and reliability. Interviewers ask when legacy or regulated integrations still use it.
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- Envelope and Faults5 questions
- WSDL Contracts5 questions
- Bindings and Message Encoding6 questions
- WS-Security6 questions
- WS-* Extensions4 questions
- SOAP vs REST Trade-offs5 questions
questions
page 2 of 2Under WS-AtomicTransaction, a partner wants your SOAP order service enlisted in its transactions — what would agreeing commit you to, and would you agree?
level: principalimportance: nice to knowfreq 4%
basics
~20 sAgreeing means accepting a WS-Coordination context header, registering for Durable2PC with the partner's coordinator, and holding tentative work until it sends Commit or Rollback. The specification assumes high trust and short transactions, so across organisations it rarely fits.
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