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Juniper JN0-637 Interactive Course: Security, Professional (JNCIP-SEC) - iPassleader Products Prepare for your Exam in Short Time

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Juniper JN0-637 Exam Syllabus Topics:

Topic
Details

Topic 1

Multinode High Availability (HA): In this topic, aspiring networking professionals get knowledge about multinode HA concepts. To pass the exam, candidates must learn to configure or monitor HA systems.

Topic 2

Troubleshooting Security Policies and Security Zones: This topic assesses the skills of networking professionals in troubleshooting and monitoring security policies and zones using tools like logging and tracing.

Topic 3

Logical Systems and Tenant Systems: This topic of the exam explores the concepts and functionalities of logical systems and tenant systems.

Topic 4

Automated Threat Mitigation: This topic covers Automated Threat Mitigation concepts and emphasizes implementing and managing threat mitigation strategies.

Topic 5

Advanced Policy-Based Routing (APBR): This topic emphasizes on advanced policy-based routing concepts and practical configuration or monitoring tasks.

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Juniper Security, Professional (JNCIP-SEC) Sample Questions (Q93-Q98):

NEW QUESTION # 93
After downloading the new IPS attack database, the installation of the new database fails. What caused this condition?

A. Some of the new attack entries were already in use and had to be deactivated before installation.
B. The new attack database no longer contained an attack entry that was in use.
C. The new attack database was too large for the device on which it was being installed.
D. The new attack database was revoked between the time it was downloaded and installed.

Answer: B

NEW QUESTION # 94
Exhibit

Referring to the exhibit, which three statements are true? (Choose three.)

A. The packet is allowed to make an SSH connection.
B. The packet's destination is to an interface on the SRX Series device.
C. The packet is dropped before making an SSH connection.
D. The packet originated within the Trust zone.
E. The packet's destination is to a server in the DMZ zone.

Answer: B,C,D

NEW QUESTION # 95
Exhibit:

Host A shown in the exhibit is attempting to reach the Web1 webserver, but the connection is failing.
Troubleshooting reveals that when Host A attempts to resolve the domain name of the server (web.acme.
com), the request is resolved to the private address of the server rather than its public IP.
Which feature would you configure on the SRX Series device to solve this issue?

A. Persistent NAT
B. Double NAT
C. DNS doctoring
D. STUN protocol

Answer: C

Explanation:
DNS doctoring modifies DNS responses for hosts behind NAT devices, allowing them to receive the correct public IP address for internal resources when queried from the public network. This prevents issues where private IPs are returned and are not reachable externally. For details, visit Juniper DNS Doctoring Documentation.
In this scenario, Host A is trying to resolve the domain nameweb.acme.com, but the DNS resolution returns the private IP address of the web server instead of its public IP. This is a common issue in networks where private addresses are used internally, but public addresses are required for external clients.
* Explanation of Answer C (DNS Doctoring):
* DNS doctoringis a feature that modifies DNS replies as they pass through the SRX device. In this case, DNS doctoring can be used to replace the private IP address returned in the DNS response with the correct public IP address for Host A. This allows external clients to reach internal resources without being aware of their private IP addresses.
Configuration Example:
bash
Copy code
set security nat dns-doctoring from-zone untrust to-zone trust
Juniper Security Reference:
* DNS Doctoring Overview: DNS doctoring is used to modify DNS responses so that external clients can access internal resources using public IP addresses. Reference: Juniper DNS Doctoring Documentation.

NEW QUESTION # 96
Which two features would be used for DNS doctoring on an SRX Series firewall? (Choose two.)

A. The DNS ALG must be enabled.
B. source NAT
C. static NAT
D. The DNS ALG must be disabled.

Answer: A,C

NEW QUESTION # 97
Exhibit

You have recently configured Adaptive Threat Profiling and notice 20 IP address entries in the monitoring section of the Juniper ATP Cloud portal that do not match the number of entries locally on the SRX Series device, as shown in the exhibit.
What is the correct action to solve this problem on the SRX device?

A. You must configure the DAE in a security policy on the SRX device.
B. Refresh the feed in ATP Cloud.
C. Force a manual download of the Proxy__Nodes feed.
D. Flush the DNS cache on the SRX device.

Answer: D

NEW QUESTION # 98
......

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