多项选择题 A beneficiary presents complying documents to a confirming bank under a documentary credit available by deferred payment.The beneficiary requests that the confirming bank purchase the documents and prepayag ainst its undertaking.In accor dance with UCP600，which of the following may be the correct course（s） of action for the confirming bank？（）

多项选择题 Which of the following can be combined under a credit available with and requiring a draft drawn on an issuing bank？（）

多项选择题 交通银行国内涉外保函包括：（）