Which two are required for the SRX device to perform DNS doctoring? (Choose two.)

You want to implement persistent NAT for an internal resource so that external hosts are
able to initiate communications to the resource, without the internal resource having
previously sent packets to the external hosts. Which configuration setting will accomplish
this goal?

Your SRX device is performing NAT to provide an internal resource with a public address.

Your DNS server is on the same network segment as the server. You want your internal
hosts to be able to reach the internal resource using the DNS name of the resource. How do
you accomplish this goal?

You are asked to provide access for an external VoIP server to VoIP phones in your
network using private addresses. However, due to security concerns, the VoIP server
should only be able to initiate connections to each phone once the phone has logged into
the VoIP server. The VoIP server requires access to the phones using multiple ports. Which
type of persistent NAT is required?

You must configure a central SRX device connected to two branch offices with overlapping
IP address space. The branch office connections to the central SRX device must reside in
separate routing instances. Which two components are required? (Choose two.)

You are attempting to establish an IPsec VPN between two SRX devices. However, there is
another device between the SRX devices that does not pass traffic that is using UDP port
4500. How would you resolve this problem?

Click the Exhibit button. Given the following session output: Which statement is correct
about the security flow session output?

You are asked to deploy a group VPN between various sites associated with your company.
The gateway devices at the remote locations are SRX240 devices. Which two statements
about the new deployment are true? (Choose two.)