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About GRE Tunnels GRE (Generic Routing Encapsulation) is a tunneling protocol designed to encapsulate packets inside a transport protocol. A GRE-capable router or firewall encapsulates a payload packet within a GRE packet, which is then further encapsulated in a transport protocol, such as IP. The process is illustrated in the following figure (insert appropriate image). A GRE tunnel operates similarly to a VPN, but without encryption. It effectively transports packets from o

ZPA App Connector Interview Questions and Answers 1. What is a ZPA App Connector, and what role does it play in Zscaler Private Access? The ZPA App Connector is a lightweight Linux implementation, deployed as a VM or RPM, that connects the internal network of an organization to the ZPA cloud. It is the only component of ZPA that connects directly to the customer’s internal network or a cloud environment adjacent to the private applications. The App Connector initiates all out