Secure Network Protocols

Which of the answers listed below refers to a deprecated TLS-based method for securing SMTP? SMTPS

Which of the following answers refers to a secure implementation of a protocol used for synchronizing clocks over a computer network? NTPsec

What are the characteristic features of the secure version of IMAP? Secure Sockets Layer (SSL), TCP port 993, Transport Layer Security (TLS)

Which of the answers listed below refer(s) to POP3S encrypted communication? Secure Sockets Layer (SSL), TCP port 995, Transport Layer Security (TLS)

Which of the following protocols are used for securing HTTP connections? SSL, TLS

A secure version of the HTTP protocol offering traffic encryption is known as: HTTP over SSL, HTTP over TLS, HTTPS

Which version(s) of the SNMP protocol offer(s) authentication based on community strings sent in an unencrypted form? SNMPv1, SNMPv2

Of the three existing versions of the Simple Network Management Protocol (SNMP), versions 1 and 2 (SNMPv1 and SNMPv2) offer authentication based on community strings sent in an unencrypted form (in cleartext). SNMPv3 provides packet encryption, authentication, and hashing mechanisms that allow for checking whether data has changed in transit (i.e. data integrity). True

FTPS is an extension to the Secure Shell protocol (SSH) and runs by default on port number 22. False

A network protocol for secure file transfer over Secure Shell (SSH) is called: SFTP

Secure File Transfer Protocol (SFTP) is an extension to the FTP that adds support for the Transport Layer Security (TLS) and the Secure Sockets Layer (SSL) cryptographic protocols. False

Which of the following protocols allow(s) for secure file transfer? FTPS, SFTP, SCP

LDAPS is an example of: Secure Directory Access Protocol

Which protocol enables secure, real-time delivery of audio and video over an IP network? SRTP

Multipurpose Internet Mail Extensions (MIME) specification extends the email message format beyond simple text, enabling the transfer of graphics, audio, and video files over the Internet mail system. Secure MIME (S/MIME) is an enhanced version of the MIME protocol that enables email security features by providing encryption, authentication, message integrity, and other related services. True

Which of the protocols listed below was designed as a secure replacement for Telnet? SSH

Which of the following answers refers to a cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services? SSH

A suite of security extensions for an Internet service that translates domain names into IP addresses is known as: DNSSEC