Expected JN0-105 Exam Topics, as suggested by Juniper :

• Module 1: Networking Fundamentals: The topic networking fundamentals covers identifying the concepts and functionality of different fundamental elements of networking.
• Module 2: Junos OS Fundamentals: It covers concepts, benefits, and functionality of the core elements of the Junos OS.
• Module 3: User Interfaces: This topic delves into identifying the concepts, operation, or functionality of the Junos user interface.
• Module 4: Configuration Basics: Identification of the main elements for configuring Junos devices is discussed in this topic. Moreover, it describes configuring basic components of a Junos device
• Module 5: Operational Monitoring and Maintenance: Different methods of monitoring or maintaining Junos devices are identified in this topic. Lastly, it discusses monitoring or maintenance procedures for a Junos device.
• Module 6: Routing Fundamentals: This topic discusses pointing out basic routing concepts or functionality for Junos devices. Moreover, the topic also describes configuring or monitoring basic routing elements for a Junos device.
• Module 7: Routing Policy and Firewall Filters: The topic of Routing Policy and Firewall Filters covers routing policy and firewall filters on Junos devices. Furthermore, the topic also deals with routing policies and firewall filters on a Junos device.