Certification
Resources - JNCIS-ES Exam Objectives (Exam: JN0-330)
This list is intended to provide a general view of the skill set required to successfully complete the specified certification exam. Topics listed are subject to change.
- Architecture of JUNOS Software with Enhanced Services
- Zone-based segmentation and monitoring
- SCREENs
- Security Policies
- Campus Interconnectivity - NAT
- Campus Interconnectivity - IPSec VPN
- HA
- Interface Configuration and Monitoring
- Routing
- System Services
Architecture of JUNOS Software with Enhanced Services
- Compare and contrast JUNOS Software with Enhanced Services and traditional routing
- Describe major components of JUNOS Software with Enhanced Services
- Contrast session and flow
- Compare and contrast packet flow of the first and consecutive packets of a flow
- Name elements used in session recognition.
- Describe session management process
Zone-based segmentation and monitoring
- Describe the purpose of a zone
- Identify the relationship between zones assignments, interfaces, and routing instances
- Define zone types supported by JUNOS Software with Enhanced Services
- Compare and contrast security and functional zones
- List and identify the steps necessary to configure zones
- Compare and contrast router's behavior resulting from various configurations, when handling transit packets and packets destined to various interfaces of the router.
- Demonstrate understanding of configuration precedence significance of various zone knobs.
- Describe the traffic behavior based on a sample zone configuration
SCREENs
- Identify advantages of using SCREENs
- Compare and contrast reconnaissance, DoS, and suspicious packets attacks
- Identify best practices to be used when implementing SCREENs
- Configure SCREENs with necessary parameters based on threats
Security Policies
- Identify the purpose of a security policy
- Define the purpose of security policy configuration components
- Configure appropriate JUNOS Enhanced Services security policies actions
- Describe the purpose of an address book
- Based on policy configurations, compare and contrast scheduled and non-scheduled policies
- Based on policy configurations, describe the impact of security policy changes on session in progress
- Identify and explain the importance of policy ordering in the configuration file
- Identify and explain the importance of firewall and Web authentication
Campus Interconnectivity - NAT
- Identify uses of NAT and PAT
- Compare and contrast NAT/PAT types supported by JUNOS Software with Enhanced Services
- Compare and contrast interface-based destination NAT and policy-based destination NAT
- Compare and contrast source NAT using reverse mapping and source pool mechanisms
- Identify types of NAT used, based on various NAT configurations
- Describe the router's behavior when using configuration file with source pool NAT and PAT
Campus Interconnectivity - IPSec VPN
- Correlate between major security concerns and solutions
- Compare and contrast symmetric and asymmetric key encryption
- Describe the DH key exchange process
- List methods for IPSec VPN setup
- List specifics of Security Associations
- Describe the IKE phases functionality and purpose
- Compare and contrast policy-based and route-based IPSec implementations
- Configure route-based and policy-based IPSec VPNs
HA
- Describe JSRP cluster functionality
- Identify JSRP-specific interfaces and their functions
Interface Configuration and Monitoring
- Identify valid options for interface names, logical unit and protocol families within the JUNOS software
- Identify MLPPP configuration options
- Identify configuration options of VRRP
- Identify MLPPP and VRRP monitoring options
- Describe the information contained within the show interfaces extensive command
Routing
- Describe route preferences
- Given a routing table and packet header, identify the route that will be used for a particular packet.
- Describe JUNOS software routing policy design considerations including: import and export, when to define routing policies, components of a routing policy (terms, match criteria, actions), default routing policy actions, and how routing policies are evaluated.
- Describe the configuration of Static Routes
- Describe OSPF area types and router types
- Describe charecteristics of link-state routing protocols
System Services
- Describe system logging and tracing
- Configure a router to allow system services (SSH, Telnet, etc.)
- Configure user authentication
- Identify configuration and monitoring options for DHCP







