Which statement is correct about IKE?

What is the definition of zone on an SRX series devices?

You are designing a new security policy on an SRX Series device. You must block an application and log all occurrence of the application access attempts.
In this scenario, which two actions must be enabled in the security policy? (Choose two.)

When configuring IPsec VPNs, setting a hash algorithm solves which security concern?

Which two elements are needed on an SRX Series device to set up a remote syslog server? (Choose two.)