Which solution should you use if you want to detect known attacks using signature-based methods?

You are deploying the Junos application firewall feature in your network.
In this scenario, which two elements are mapped to applications in the application system cache?
(Choose two.)

You have just configured source NAT with a pool of addresses within the same subnet as the egress interface. What else must be configured to make the addresses in the pool usable?

What is the default timeout period for a TCP session in the session table of a Junos security device?

You have implemented a vSRX in your VMware environment. You want to implement a second vSRX Series device and enable chassis clustering.
Which two statements are correct in this scenario about the control-link settings? (Choose two.)