Which of the following applications must be configured to meet the new requirements?

Within the past six months, a company has experienced a series of attacks directed at various collaboration tools. Additionally, sensitive information was compromised during a recent security breach of a remote access session from an unsecure site.

As a result, the company is requiring all collaboration tools to comply with the following:

✑ Secure messaging between internal users using digital signatures

✑ Secure sites for video-conferencing sessions

✑ Presence information for all office employees

✑ Restriction of certain types of messages to be allowed into the network.

Which of the following applications must be configured to meet the new requirements? (Select TWO.)
A . Remote desktop
B . VoIP
C . Remote assistance
D . Email
E . Instant messaging
F . Social media websites