The correct options are External customers can only see the tickets they reported and Only the team lead can view all issues.

External customers can only see the tickets they reported is correct because issue level security controls visibility at the individual issue level and can restrict an issue so that only the reporter or specified groups and roles can view it. Administrators create security levels and add users, groups, or project roles to those levels so that external customers see only the issues they reported.

Only the team lead can view all issues is correct because you can assign a security level that includes the team lead role or a specific user so that the lead has permission to see every issue even when other users are restricted. Issue level security applies per issue and grants view access to the roles or users included in the security level.

Only the team lead can move tickets between projects is incorrect because moving issues between projects is governed by project permissions and the Move Issues permission rather than by issue level visibility rules.

Only developers can see the development panel is incorrect because the development panel visibility depends on product features and integration permissions with development tools rather than on issue level security settings.

Only directors can access entire projects is incorrect because access to whole projects is controlled by project roles and project permissions not by issue level security which only restricts visibility at the issue level.

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