* Adding interfaces (Option A):An interface must be assigned to a security zone before it can pass traffic. By default, interfaces are in the null zone and cannot send or receive traffic.
* Exception traffic (Option B):Security zones define host-inbound-traffic settings, which determine what types of management or control-plane traffic (SSH, ICMP, SNMP) are permitted.
* Routing instances (Options C and D):Security zones arespecific to a routing instanceand cannot include interfaces from multiple instances. Therefore, interfaces in the same zone cannot belong to different routing instances.
Correct Statements:A and B
Reference:Juniper Networks -Security Zones Overview, Junos OS Security Fundamentals.

The management functional zone on SRX devices is a special predefined zone with unique characteristics:
It is automatically created (Option C) and cannot be deleted.
It is used specifically for management-related traffic (Option A), such as SSH, Telnet, web management (J-Web), SNMP, and other control-plane services.
It does not contain revenue (data) interfaces (Option B is incorrect). Interfaces must be explicitly configured into user-defined zones.
The management zone can be referenced in policies if inter-zone communication involving management traffic is needed (Option D is incorrect).
Correct Statements: A and C

Content filtering on SRX devices inspects and controls specific file types transferred across certain application protocols:
SMTP (Option A): Supported. Content filtering can block specific file attachments in emails.
HTTP (Option D): Supported. Content filtering can block downloads of specific file types over web traffic.
SNMP (Option B): Not supported; SNMP is a management protocol, not a content delivery protocol.
TFTP (Option C): Not supported by content filtering.
Correct Protocols: SMTP and HTTP

The SBL (SurfControl Web Filtering) server integration is part of UTM web filtering on SRX. To confirm that the firewall is properly connected and communicating with the SBL server, the command used is:
show security web filtering status
This command displays connectivity information with the SBL server, license status, and filtering operations.
Other options:
Anti-virus (Option A) checks antivirus engine status.
Content-filtering statistics (Option C) shows local content filtering counters.
Anti-spam status (Option D) checks spam engine connectivity.
Correct Command: show security web filtering status

Traffic that enters through transit interfaces is allowed to exit through an interface in a functional zone, enabling controlled interaction between data-plane traffic and functional services.
Traffic that enters through an interface in a functional zone can exit through transit interfaces, allowing management and service-related traffic to interact with normal forwarding traffic paths.