A customer has several remote sites connected with the HQ via microwave links. An engineer has been asked to propose a backup WAN connectivity for these sites with these requirements: Physical WAN connectivity is not available for most of these sites. A low-cost and fast-to-implement backup solution must be deployed. Bandwidth needs for the backup link are low. Users can tolerate a WAN outage of up to 2 hours. Which backup WAN link type does the engineer recommend?
A) LTE
B) 802.16 WiMAX
C) laser link
D) 802.15.1 Bluetooth

Question

Quizplus · Accepted Answer

LTE is a low-cost, fast-to-implement solution that can provide backup WAN connectivity where physical connections are unavailable. It offers sufficient bandwidth for low needs and can be quickly deployed, making it suitable for sites that can tolerate a short outage.

A Customer Has Several Remote Sites Connected with the HQ