What does ZTA stand for in modern security?
Zero Trust Architecture
What is SASE?
Secure Access Service Edge (Combines WAN and Security)
What frequency does Wi-Fi 6E add?
6 GHz
What is the difference between a “Collision Domain” and a “Broadcast Domain”?
Switches break up Collision Domains; Routers break up Broadcast Domains.
What is the primary difference between a Forward Proxy and a Reverse Proxy?
Forward Proxy protects clients; Reverse Proxy protects servers.
What does SDN stand for?
Software-Defined Networking
What is the 802.11 standard for Wi-Fi 6?
802.11ax
What technology allows a single physical cable to carry multiple VLANs?
802.1Q (Trunking)
What is a ‘Screened Subnet’ (formerly DMZ)?
A buffer zone between the private network and the internet.
What is the ‘Three-Tier’ hierarchy?
Core, access, distribution
What is ‘East-West’ traffic?
Traffic moving within a data center/internal network.
What is ‘North-South’ traffic?
Traffic moving between the internal network and the outside internet.
