16 Not el Select one of the challenge-response mechanism which typically produces a stream of one-time passcode based on the input specified by the application Marked 1.00 w O a OTP ob Password O c Tokens O d Physical Tokers 17 Whose input is identical to the attacker's vulnerable input in semantic checks? No O a end user Mardo o b Non-malicious user O c. Administrator Od malicious user 18 While requesting parameters, which method contains URL query string and the body of the message? Not ed Marked to 100 O a post o b referrer header O c. MYSQL O d get 19 Not el The server supports backend systems such as mainframes and database systems often lie at the several layers of defences Marked 1.00 O a network level ob transport level O c.authentication level Od browser level 20 Which protocol is not secure in internet among the following? Not Market 1.100 Has O a HTP/2 O b. HTTPS OcWww oa HTTP