As a network architect, where would you add PTX Series routers?

Question

Options

• Acore network
• Baccess network
• Ccellular edge
• Dbranch location

• A
  76% (19)
• B
  12% (3)
• C
  8% (2)
• D
  4% (1)

Explanation

PTX Series routers are Juniper's high-capacity, high-throughput packet transport routers designed for massive traffic aggregation and forwarding at line rate - capabilities that map directly to core network requirements, where routing scale, density, and reliability are paramount. The access network (B) connects end users to the network and uses lower-capacity edge devices like switches or DSL equipment, not high-end core routers. The cellular edge (C) uses specialized mobile core components (e.g., gateways, RAN equipment), not general-purpose packet transport routers. Branch locations (D) require compact, multi-service routers like the Juniper SRX or EX series, not chassis-scale core routers.

Memory tip: Think "PTX = Packet Transport eXpress" - the word core implies speed and scale at the center of the network, and PTX routers are built for exactly that: ultra-high throughput at the heart of a carrier or large enterprise backbone.

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