Which of the following security protocols adds an encrypted wrapper layer around a standard File Transfer Protocol channel to protect authentication variables? MCQ with Answer and Explanation
Which of the following security protocols adds an encrypted wrapper layer around a standard File Transfer Protocol channel to protect authentication variables?
A. Telnet console channel
B. Unencrypted HTTP link
C. SMTP route link
D. FTPS (FTP over SSL/TLS)
Answer: Option D
Solution (By JKSSB Mock Tests)
FTPS is an extension to the standard File Transfer Protocol (FTP) that adds support for Transport Layer Security (TLS) and Secure Sockets Layer (SSL) cryptographic protocols.
What mechanism does an internet email communication layout use to notify a sender that a designated recipient mailbox address is completely invalid or non-existent?
A.Altering the local browser cache layout automatically
B.Running automatic DNS reverse lookup queries inside terminal devices
C.Returning an automated 'Hard Bounce' or 'Undelivered Mail' notification error message from the mail server
D.Encrypting the sender's system password variables
Explanation:
A hard bounce is a permanent delivery failure message indicating that an email address is invalid, typo-ridden, or has been permanently deactivated by the hosting provider.
Which type of internet data asset functions as an encrypted mathematical signature proving a website's domain ownership status, enabling secure HTTPS traffic validation?
Explanation:
An SSL/TLS certificate is a cryptographic file bound to a specific domain that authenticates the host's identity and enables secure encrypted connections.
Explanation:
The Cache-Control header is used to define caching directives such as max-age, no-cache, and private, controlling how and for how long the resource can be cached.
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