JNCIP-SEC case studies
JNCIP-SEC · Put your knowledge to work in context.
JNCIP-SEC - Security, Professional (JN0-637) is the professional-level certification in the security track, sitting between JNCIS-SEC (Specialist) and JNCIE-SEC (Expert). It targets networking professionals who already have advanced knowledge of Junos OS for SRX Series devices and who want to prove advanced security technology skills together with the platform configuration and troubleshooting that goes with them. The written exam is delivered by Pearson VUE in English only, lasts 90 minutes, and contains 65 multiple-choice questions; pass/fail status is available immediately after the exam. JNCIS-SEC is the stated prerequisite, and the certification is valid for three years. The JNCIP-SEC case studies are 5 cases and about 2,698 words.
1HTTP Block Policy, HTTPS Exception, and a Monitoring Host
An SRX345 running Junos 22.4R2 protects a small data center. The trust zone contains ge-0/0/1.0 (10.20.0.1/24); the untrust zone contains ge-0/0/0.0 (198.51.100.2/30).
530 words, about 3 min2Tenant Logical System Cannot Reach the Internet After Source NAT
An SRX1500 runs a master logical system and ls-tenant-a. ge-0/0/1.0 is assigned to ls-tenant-a as 10.50.0.1/24 in zone trust.
559 words, about 3 min3Transparent Mode Policy Does Not Block Same-VLAN Traffic
An SRX340 is deployed in transparent mode between an access switch and a core router. ge-0/0/1.0 and ge-0/0/2.0 are both in bridge domain bd-vlan100, VLAN 100, and both are assigned to security zone l2-users.
527 words, about 3 min4Internal Users Cannot Reach a Destination-NAT Web Server
An SRX345 publishes an internal web server at 10.10.10.100:443 to the Internet using destination NAT. The public address 203.0.113.10/32 is on the untrust interface ge-0/0/0.0, and proxy ARP is enabled for it.
540 words, about 3 min5Spoke-to-Spoke Traffic Through a Hub IPsec VPN
An SRX at the hub terminates two route-based IPsec VPNs. st0.0 connects spoke A (192.168.10.0/24); st0.1 connects spoke B (192.168.20.0/24).
542 words, about 3 min