Câu 9: JN0-333: Security Specialist (JNCIS-SEC)

Click the Exhibit button. Users at a remote office are unable to access an FTP server located at the remote corporate data center as expected. The remote FTP server is listening on the non-standard TCP port 2121. Referring to the exhibit, what is causing the problem?

1. A. The FTP clients must be configured to listen on non-standard client ports for the FTP data channel negotiations to succeed.
2. B. Two custom FTP applications must be defined to allow bidirectional FTP communication through the SRX Series device.
3. C. The custom FTP application definition does not have the FTP ALG enabled.
4. D. A new security policy must be defined between the untrust and trust zones. — đáp án hiện tại