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Juniper JN0-330 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Topic 1: Class of Service (CoS) | 15% | - Classification, marking, and queuing - Scheduling, shaping, and congestion management |
| Topic 2: IPsec and VPN Services | 15% | - VPN monitoring and troubleshooting - IPsec VPN concepts and configuration |
| Topic 3: Junos OS Fundamentals | 20% | - Junos architecture and packet processing - Configuration management and operations |
| Topic 4: High Availability and Services | 5% | - Graceful restart and nonstop routing |
| Topic 5: Firewall Filters and policers | 20% | - Policers and traffic rate limiting - Filter structure, match conditions, and actions |
| Topic 6: Network Address Translation (NAT) | 15% | - NAT rules and troubleshooting - Source NAT, Destination NAT, Static NAT |
| Topic 7: Multicast Protocols | 10% | - PIM, IGMP concepts and configuration |
Juniper JN0-330-Enhanced Services, Specialist(JNCIS-ES) Sample Questions:
Which statement is true about source pool NAT without port translation?
- A. Source pool NAT defines a one-to-one mapping from an original source IP address to a translated source IP address for a range of IP addresses.
- B. Source NAT pools allow for different connections from the same source IP address to be translated to different IP addresses in the pool.
- C. Source pool NAT defines a one-to-one mapping from an original source IP address to a translated source IP address and port numbers for a range of IP addresses.
- D. Once a connection is established from a source, all new connections from that source are translated to the same IP address in the pool.
Correct Answer: D 🗳️
Which two zones are system-defined zones? (Choose two.)
- A. management zone
- B. trust zone
- C. junos-global zone
- D. null zone
Correct Answer: C,D 🗳️
Which two configuration elements are required for a route-based VPN? (Choose two.)
- A. a route for the tunneled transit traffic
- B. secure tunnel interface
- C. tunnel policy for transit traffic referencing the IPSec VPN
- D. security policy to permit the IKE traffic
Correct Answer: A,B 🗳️
In JUNOS software with enhanced services, which three packet elements are inspected to determine if a session already exists? (Choose three.)
- A. source and destination TCP/UDP port
- B. source and destination MAC address
- C. source and destination IP address
- D. IP time-to-live
- E. IP protocol
Correct Answer: A,C,E 🗳️
Click the Exhibit button.
Based on the configuration shown in the exhibit, what are the actions of the security policy?
- A. The policy will permit transit packets Monday through Friday between 17:00:01 and
07:59:59, perform destination NAT, and count packets. - B. The policy will permit transit packets only on Sunday and Saturday, perform destination NAT, and count packets.
- C. The policy will always permit transit packets, perform destination NAT, and count packets.
- D. The policy will permit transit packets Monday through Friday between 08:00:00 and
17:00:00, perform destination NAT, and count packets.
Correct Answer: D 🗳️
