Which goal can be accomplished by the implementation of the Cisco Enterprise Teleworker Architecture?

Which goal can be accomplished by the implementation of the Cisco Enterprise Teleworker Architecture?

• It allows the enterprise to add large branch sites that span large geographic areas.
• It allows the enterprise to deliver secure voice and data services to workers no matter where or when they work.
• In order to reduce remote security threats, it forces users who are located at main sites to log on to resources.
• It satisfies telephony requirements for users who are located at medium to large enterprise sites.

Exam with this question: CCNA 4 Exploration v4.0 Chapter 1 Quiz