What network connection would be most cost efficient while still meeting the security and connectivity needs of this teleworker?
- dedicated leased line connection with a dialup backup link
- Frame Relay connection with a DSL backup link
- DSL VPN connection with a dialup backup link
- ATM connection with a DSL VPN backup link
- DSL connection with no backup link
Exam with this question: CCNA Discovery 4: DCompNtwk Chapter 1 Exam