| 1: | Why are remote access networks considered the most difficult type of network to support? |
| A1: | Many of the components of the remote user's location are not under an enterprise's control. |
| 2: | What are the main categories that the management should consider when making remote access service decisions? |
| A2: | Cost, availability, support, in-source versus out-source, and billing. |
| 3: | Give an example for narrowband, baseband, and broadband services. |
| A3: | Narrowband and baseband are synonyms and refer to legacy POTS and non-video-capable systems. Cable modems are typical broadband systems. |
| 4: | Explain what MMDS and LMDS stand for. |
| A4: | Multichannel Multipoint Distribution System (MMDS) and Local Multipoint Distribution Service (LMDS) are wireless broadband technologies for Internet access. |
| 5: | Name two benefits of dial-in modem technology for remote access. |
| A5: | Backward compatibility and high availability for minimum cost. |
| 6: | Name two limitations of dial-in modem technology for remote access. |
| A6: | Dial-in modem technology has reached its theoretical maximum and has a low speed. |
| 7: | Name two benefits of ISDN for remote access. |
| A7: | The technology is defined as a viable alternative when the end user requires more bandwidth than dial-in. Also, it has a variety of data and voice services. |
| 8: | Name two limitations of ISDN technology for remote access. |
| A8: | Interface compatibility limitations and cost. |
| 9: | Name two benefits of Frame Relay for remote access. |
| A9: | Provides peak bandwidth availability and lower response time. |
| 10: | Name two limitations of Frame Relay technology for remote access. |
| A10: | The cost and when run over T1 circuits it inherits the limitations of T1s for repeaters in every mile. |
| 11: | Name two benefits of VPN for remote access. |
| A11: | The expected cost reduction and unprecedented mobility. |
| 12: | Name two benefits of cable modems for remote access. |
| A12: | Enormous bandwidth that can be shared between many users. Cable modems that are based on coax cable eliminate most traditional copper-based network problems. |
| 13: | Name two benefits of xDSL for remote access. |
| A13: | It offers great data rates and a variety of services. |
| 14: | Name two limitations of wireless and satellite for remote access. |
| A14: | High latency and security issues. |
