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Juniper JN0-330 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enhanced Services, Specialist (JNCIS-ES) |
| Exam Number: | JN0-330 |
| Exam Price: | $300 USD |
| Exam Duration: | 90 minutes |
| Related Certifications: | JNCIA-Junos JNCIP-ES |
| Exam Format: | Multiple Choice, Multiple Response |
| Real Exam Qty: | 65 |
| Certificate Validity Period: | 3 years |
| Passing Score: | 65% |
| Available Languages: | English |
| Recommended Training: | Juniper Official Enhanced Services Training |
| Exam Registration: | Juniper Certification Portal Pearson VUE Registration |
| Sample Questions: |  |
| Exam Way: | Computer-based testing at Pearson VUE authorized centers or online proctored |
| Pre Condition: | Valid JNCIA-Junos certification or equivalent knowledge recommended |
| Official Syllabus URL: | https://www.juniper.net/us/en/training/certification.html |
Juniper JN0-330 Exam Syllabus Topics:
| Section | Weight | Objectives |
|---|---|---|
| Firewall Filters and policers | 20% | - Filter structure, match conditions, and actions - Policers and traffic rate limiting |
| IPsec and VPN Services | 15% | - IPsec VPN concepts and configuration - VPN monitoring and troubleshooting |
| Network Address Translation (NAT) | 15% | - NAT rules and troubleshooting - Source NAT, Destination NAT, Static NAT |
| Class of Service (CoS) | 15% | - Scheduling, shaping, and congestion management - Classification, marking, and queuing |
| Junos OS Fundamentals | 20% | - Configuration management and operations - Junos architecture and packet processing |
| Multicast Protocols | 10% | - PIM, IGMP concepts and configuration |
| High Availability and Services | 5% | - Graceful restart and nonstop routing |
JN0-330 Exam FAQ — Stand Out
Yes:
After any course, reinforce it with the 150 practice questions for the Juniper JN0-330-Enhanced Services, Specialist(JNCIS-ES) — every answer expert-verified.
The Juniper JN0-330-Enhanced Services, Specialist(JNCIS-ES) blueprint spans 7 domains — including Multicast Protocols (10%), Junos OS Fundamentals (20%), Network Address Translation (NAT) (15%). Know your strength and shortcoming per domain; the complete outline above lists every subtopic.
90 minutes for 65 questions. The TestBraindump test engine simulates the actual test's atmosphere, so you get used to real conditions in advance.
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Through the vendor's official registration channels:
The Juniper JN0-330-Enhanced Services, Specialist(JNCIS-ES) is delivered Computer-based testing at Pearson VUE authorized centers or online proctored — pick the arrangement that suits you when booking.
The Juniper JN0-330-Enhanced Services, Specialist(JNCIS-ES) is Juniper's certification exam for Juniper Networks Certified Internet Specialist - Enhanced Services (JNCIS-ES), at the Specialist level. Passing it is a new start — toward better salary, decent work, and promotion chances. Related credentials include JNCIA-Junos, JNCIP-ES.
Valid JNCIA-Junos certification or equivalent knowledge recommended Eligibility rules change over time, so verify the current requirements on the official page (official JN0-330 exam page) before registering.
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Juniper JN0-330-Enhanced Services, Specialist(JNCIS-ES) Sample Questions:
Which definition of autonomous system boundary router (ASBR) is correct?
- A. ASBR is any router that runs BGP.
- B. ASBR is the router on the boundary between the backbone and a not-so-stubby area.
- C. ASBR is the router on the boundary between the two OSPF areas.
- D. ASBR is the router on the boundary between the OSPF routing domain and the other static or dynamic routing protocols.
Correct Answer: D 🗳️
Click the Exhibit button.
In this configuration, you decided to eliminate the junos-ftp application from the match condition of the policy MyTraffic.
What will happen to the existing FTP and BGP sessions?
- A. The existing FTP and BGP sessions will be re-evaluated and only FTP sessions will be dropped.
- B. The existing FTP sessions will continue and only the existing BGP sessions will be dropped.
- C. The existing FTP and BGP sessions will be re-evaluated and all sessions will be dropped.
- D. The existing FTP and BGP sessions will continue.
Correct Answer: A 🗳️
You must configure a SCREEN option that would protect your router from a session table flood.
Which configuration meets this requirement?
- A. [edit security screen]
user@hostl# show
ids-option protectFromFlood {
tcp {
syn-flood {
attack-threshold 2000;
destination-threshold 2000;
} - B. [edit security screen]
user@hostl# show
ids-option protectFromFlood {
udp {
flood threshold 5000;
} - C. [edit security screen]
user@hostl# show
ids-option protectFromFlood {
limit-session {
source-ip-based 1200;
destination-ip-based 1200;
} - D. [edit security screen]
user@hostl# show
ids-option protectFromFlood {
icmp {
ip-sweep threshold 5000;
flood threshold 2000;
}
Correct Answer: C 🗳️
Which two statements describe the purpose of security policy?
- A. It controls host inbound services on a zone.
- B. It enforces a set of rules for transit traffic.
- C. It controls administrator rights to access the device.
- D. It enables traffic counting and logging.
Correct Answer: B,D 🗳️
Which two statements about the use of SCREEN options are correct? (Choose two.)
- A. SCREEN options are deployed prior to route and policy processing.
- B. When you deploy SCREEN options, you must take special care to protect OSPF.
- C. SCREEN options offer protection against various attacks.
- D. SCREEN options are deployed at the ingress and egress sides of a packet flow.
Correct Answer: A,C 🗳️
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