Download Juniper : JN0-330 Questions & Answers as PDF & Test Software
Updated: Aug 31, 2026
No. of Questions: 150 Questions & Answers with Testing Engine
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Juniper JN0-330 Exam Overview:
| Certification Vendor: | Juniper Networks |
|---|---|
| Exam Name: | Enhanced Services, Specialist (JNCIS-ES) |
| Exam Number: | JN0-330 |
| Passing Score: | 65% |
| Certificate Validity Period: | 3 years |
| Related Certifications: | JNCIA-Junos JNCIP-ES |
| Exam Format: | Multiple Response, Multiple Choice |
| Exam Price: | $300 USD |
| Available Languages: | English |
| Real Exam Qty: | 65 |
| Exam Duration: | 90 minutes |
| Recommended Training: | Juniper Official Enhanced Services Training |
| Exam Registration: | Pearson VUE Registration Juniper Certification Portal |
| Sample Questions: | Juniper JN0-330 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 |
|---|---|---|
| Junos OS Fundamentals | 20% | - Configuration management and operations - Junos architecture and packet processing |
| Firewall Filters and policers | 20% | - Filter structure, match conditions, and actions - Policers and traffic rate limiting |
| IPsec and VPN Services | 15% | - VPN monitoring and troubleshooting - IPsec VPN concepts and configuration |
| Multicast Protocols | 10% | - PIM, IGMP concepts and configuration |
| Network Address Translation (NAT) | 15% | - NAT rules and troubleshooting - Source NAT, Destination NAT, Static NAT |
| High Availability and Services | 5% | - Graceful restart and nonstop routing |
| Class of Service (CoS) | 15% | - Scheduling, shaping, and congestion management - Classification, marking, and queuing |
Juniper JN0-330-Enhanced Services, Specialist(JNCIS-ES) Sample Questions:
Question 1
What are two uses of NAT? (Choose two.)
A. conserving public IP addresses
B. allowing stateful packet inspection
C. preventing unauthorized connections from outside the network
D. allowing networks with overlapping private address space to communicate
Question 2
Which attribute is required for all IKE phase 2 negotiations?
A. Diffie-Hellman group key
B. preshared key
C. proxy-ID
D. main or aggressive mode
Question 3
Your task is to provision the router running JUNOS software with enhanced services to permit transit packets from the Private zone to the External zone by using an IPSec VPN and log information at the time of session close.
Which configuration meets this requirement?
A. [edit security policies from-zone Private to-zone External]
user@host# show
policy allowTransit {
match {
source-address PrivateHosts;
destination-address ExtServers;
application ExtApps;
}
then {
permit {
tunnel {
ipsec-vpn VPN;
}
log {
session-close;
}
B. [edit security policies from-zone Private to-zone External]
user@host# show
policy allowTransit {
match {
source-address PrivateHosts;
destination-address ExtServers;
application ExtApps;
}
then {
permit {
tunnel {
ipsec-vpn VPN;
}
log {
session-init;
}
C. [edit security policies from-zone Private to-zone External]
user@host# show
policy allowTransit {
match {
source-address PrivateHosts;
destination-address ExtServers;
application ExtApps;
}
then {
permit {
tunnel {
ipsec-vpn VPN;
log;
count session-close;
}
D. [edit security policies from-zone Private to-zone External]
user@host# show
policy allowTransit {
match {
source-address PrivateHosts;
destination-address ExtServers;
application ExtApps;
}
then {
permit {
tunnel {
ipsec-vpn VPN;
}
count {
session-close;
}
Question 4
Click on the Exhibit button.
Which command is needed to change this policy to a tunnel policy for a policy-based VPN?
A. set policy tunnel-traffic then tunnel remote-vpn
B. set policy tunnel-traffic then permit tunnel ipsec-vpn remote-vpn
C. set policy tunnel-traffic then tunnel ipsec-vpn remote-vpn permit
D. set policy tunnel-traffic then permit tunnel remote-vpn
Question 5
In a JSRP cluster with two J6350 routers, the interface ge-7/0/0 belongs to which device?
A. This interface belongs to NODE0 of the cluster.
B. This interface will not exist because J6350 routers have only six slots.
C. This interface belongs to NODE1 of the cluster.
D. This interface is a system-created interface.
Solutions:
| Question 1 Answer: A,D | Question 2 Answer: C | Question 3 Answer: A | Question 4 Answer: B | Question 5 Answer: C |
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