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提问人:网友xyj610
发布时间:2022-01-07
[单选题]
When an e-mail is sent, which is NOT engaged?
A.SMTP
B.POP
C.DNS
D.MTA
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共位网友提供了参考答案,
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- · 有7位网友选择 A,占比70%
- · 有3位网友选择 C,占比30%
A.SMTP
B.POP
C.DNS
D.MTA
A、replace
B、miss
C、position
D、displace
E、enchange
A、POP3
B、IMAP4
C、MIME
D、SMTP
A、multipart/mixed
B、multipart/parallel
C、multipart/digest
D、multipart/alternative
A、An FTP reply consists of a three digit number followed by some text.
B、Anyone can download the files which he or she just uploaded.
C、The data connection needs to exist all of the time.
D、When opening a data connection in passive mode, the client acts like a server.
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