When booking a ticket, sometimes it is found that the accompanying hotel consumption option is checked by default, which is a problem of ________.
A. Deposit refund
Bundling
Consumers' personal rights
D. Contractual aspects
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Electronic data is easy to change, leading to the characteristics of ________ in e-contracts.
A. Online operation
B. Effectiveness of e-contracts
C. Vulnerability
D. E-signature
Which of the following statements about e-signatures is wrong?
A. China's "Electronic Signature Law" adopts the contract-based legislation model.
B. The electronic signature is exclusive to the signer.
C. The electronic signature is only controlled by the electronic signer when signing.
D. Any changes to the electronic signature after signing can be found.
E-books, software, games, etc. belong to ________.
A. Physical goods
B. Online services
C. Digital goods
D. Online consultation
Taobao and Tmall we use for shopping belong to ________.
A. E-commerce platform operators
B. Operators on the platform
C. Self-built website
D. Other
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