Which three features are required to accomplish this goal?

You are responding to a proposal request from an enterprise with multiple branch offices. All
branch offices connect to a single SRX device at a centralized location. The request requires each
office to be segregated on the central SRX device with separate IP networks and security
considerations. No single office should be able to starve the CPU from other branch offices on the
central SRX device due to the number of flow sessions. However, connectivity between offices
must be maintained. Which three features are required to accomplish this goal? (Choose three.)

A.
Logical Systems

B.
Interconnect Logical System

C.
Virtual Tunnel Interface

D.
Logical Tunnel Interface

E.
Virtual Routing Instance

Explanation:

Reference :http://www.juniper.net/techpubs/en_US/junos12.1×44/topics/concept/logical-systemsinterfaces.html
http://www.juniper.net/techpubs/en_US/junos11.4/information-products/topiccollections/security/software-all/logical-systems-config/index.html?topic-57390.html