リアルJN0-637試験PDFテストエンジン 練習テスト問題
Juniper JN0-637リアル2025年最新のブレーン問題集で模擬試験問題集
質問 # 12
A company has acquired a new branch office that has the same address space as one of its local networks,
192.168.100.0/24. The offices need to communicate with each other.
Which two NAT configurations will satisfy this requirement? (Choose two.)
- A. [edit security nat source]
user@OfficeB# show rule-set OfficeAtoB {
from zone OfficeA;
to zone OfficeB;
rule 1 {
match {
source-address 192.168.200.0/24;
destination-address 192.168.210.0/24;
}
then {
source-nat { interface; }
}
}
} - B. [edit security nat static]
user@OfficeB# show rule-set From-Office-A {
from interface ge-0/0/0.0;
rule 1 {
match {
destination-address 192.168.210.0/24;
}
then {
static-nat {
prefix { 192.168.100.0/24; }
}
}
}
} - C. [edit security nat source]
user@OfficeA# show rule-set OfficeBtoA {
from zone OfficeB;
to zone OfficeA;
rule 1 {
match {
source-address 192.168.210.0/24;
destination-address 192.168.200.0/24;
}
then {
source-nat { interface; }
}
}
} - D. [edit security nat static]
user@OfficeA# show rule-set From-Office-B {
from interface ge-0/0/0.0;
rule 1 {
match {
destination-address 192.168.200.0/24;
}
then {
static-nat {
prefix { 192.168.100.0/24; }
}
}
}
}
正解：B、D
解説：
Comprehensive Detailed Step-by-Step Explanation with All Juniper Security References When two networks with overlapping IP address spaces need to communicate, Network Address Translation (NAT) is required to translate the IP addresses so that they become unique across the combined network. In this scenario, both the local network and the new branch office use the same subnet: 192.168.100.0/24. To enable communication without IP conflicts, we need to translate the overlapping addresses to unique ones.
Understanding the Problem:
* Local Network (Office A): 192.168.100.0/24
* Branch Office (Office B): 192.168.100.0/24
* Objective: Allow communication between Office A and Office B despite overlapping IP ranges.
Solution Overview:
To resolve the overlapping IP addresses, we can use Static NAT to create a one-to-one mapping between the overlapping IP addresses and a unique IP range. This way, when packets traverse the network boundary, their IP addresses are translated to a non-overlapping range, avoiding conflicts.
Option B and Option C implement Static NAT to resolve the issue:
* Option B (At Office A):
* Translates destination addresses from 192.168.200.0/24 to 192.168.100.0/24.
* This allows Office B to reach Office A's overlapping network by targeting a unique IP range (
192.168.200.0/24).
* Option C (At Office B):
* Translates destination addresses from 192.168.210.0/24 to 192.168.100.0/24.
* This allows Office A to reach Office B's overlapping network by targeting a unique IP range (
192.168.210.0/24).
Detailed Explanation:
1. Static NAT Configuration at Office A (Option B):
* Configuration:
[edit security nat static]
user@OfficeA# show rule-set From-Office-B {
from interface ge-0/0/0.0;
rule 1 {
match {
destination-address 192.168.200.0/24;
}
then {
static-nat {
prefix { 192.168.100.0/24; }
}
}
}
}
* Explanation:
* from interface ge-0/0/0.0;: Specifies the interface through which the traffic is received.
* Matching Traffic:
* destination-address 192.168.200.0/24;: Matches packets destined for 192.168.200.0/24.
* Action:
* static-nat { prefix { 192.168.100.0/24; } }: Translates the destination address to
192.168.100.0/24.
* Result:
* Office B sends packets to 192.168.200.0/24, which are translated to 192.168.100.0/24 upon arrival at Office A.
質問 # 13
Exhibit
Referring to the exhibit, which statement is true?
- A. This custom block list feed will be used before the Juniper Seclntel
- B. This custom block list feed will be used after the Juniper Seclntel block list feed.
- C. This custom block list feed cannot be saved if the Juniper Seclntel block list feed is configured.
- D. This custom block list feed will be used instead of the Juniper Seclntel block list feed
正解：B
質問 # 14
You are asked to create multiple virtual routers using a single SRX Series device. You must ensure that each virtual router maintains a unique copy of the routing protocol daemon (RPD) process.
Which solution will accomplish this task?
- A. Tenant system
- B. Transparent mode
- C. Secure wire
- D. Logical system
正解：D
解説：
Logical systems on SRX Series devices allow the creation of separate virtual routers, each with its unique RPD process. This segmentation ensures that routing and security policies are isolated across different logical systems, effectively acting like independent routers within a single SRX device. For further information, see Juniper Logical Systems Documentation.
To create multiple virtual routers on a single SRX Series device, each with its own unique copy of the routing protocol daemon (RPD) process, you need to uselogical systems. Logical systems allow for the segmentation of an SRX device into multiple virtual routers, each with independent configurations, including routing instances, policies, and protocol daemons.
* Explanation of Answer D (Logical System):
* Alogical systemon an SRX device enables you to create multiple virtual instances of the SRX, each operating independently with its own control plane and routing processes. Each logical system gets a separate copy of the RPD process, ensuring complete isolation between virtual routers.
* This is the correct solution when you need separate routing instances with their own RPD processes on the same physical device.
Configuration Example:
bash
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set logical-systems <logical-system-name> interfaces ge-0/0/0 unit 0
set logical-systems <logical-system-name> routing-options static route 0.0.0.0/0 next-hop 192.168.1.1 Juniper Security Reference:
* Logical Systems Overview: Logical systems allow for the creation of multiple virtual instances within a single SRX device, each with its own configuration and control plane. Reference: Juniper Logical Systems Documentation.
質問 # 15
You want to bypass IDP for traffic destined to social media sites using APBR, but it is not working and IDP is dropping the session.
What are two reasons for this problem? (Choose two.)
- A. IDP disable is not configured on the APBR rule.
- B. The APBR rule does a match on the first packet.
- C. The application services bypass is not configured on the APBR rule.
- D. The session did not properly reclassify midstream to the correct APBR rule.
正解：C、D
解説：
* Explanation of Answer A (Session Reclassification):
* APBR (Advanced Policy-Based Routing) requires the session to be classified based on the specified rule, which can change midstream as additional packets are processed. If the session was already established before the APBR rule took effect, the traffic may not be correctly reclassified to match the new APBR rule, leading to IDP (Intrusion Detection and Prevention) processing instead of being bypassed. This can occur especially when the session was already established before the rule change.
* Explanation of Answer C (Application Services Bypass):
* For APBR to work and bypass the IDP service, theapplication services bypassmust be explicitly configured. Without this configuration, the APBR rule may redirect the traffic, but the IDP service will still inspect and potentially drop the traffic. This is especially important for traffic destined for specific sites like social media platforms where bypassing IDP is desired.
Example configuration for bypassing IDP services:
bash
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set security forwarding-options advanced-policy-based-routing profile <profile-name> application-services- bypass Step-by-Step Resolution:
* Reclassify the Session Midstream:
* If the traffic was already being processed before the APBR rule was applied, ensure that the session is reclassified by terminating the current session or ensuring the APBR rule is applied from the start.
Command to clear the session:
bash
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clear security flow session destination-prefix <ip-address>
* Configure Application Services Bypass:
* Ensure that the APBR rule includes the application services bypass configuration to properly bypass IDP or any other security services for traffic that should not be inspected.
Example configuration:
bash
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set security forwarding-options advanced-policy-based-routing profile <profile-name> application-services- bypass Juniper Security Reference:
* Session Reclassification in APBR: APBR requires reclassification of sessions in real-time to ensure midstream packets are processed by the correct rule. This is crucial when policies change dynamically or new rules are added.
* Application Services Bypass in APBR: This feature ensures that security services such as IDP are bypassed for traffic that matches specific APBR rules. This is essential for applications where performance is a priority and security inspection is not necessary.
質問 # 16
You are asked to detect domain generation algorithms
Which two steps will accomplish this goal on an SRX Series firewall? (Choose two.)
- A. Define an advanced-anti-malware policy under [edit services].
- B. Attach the advanced-anti-malware policy to a security policy.
- C. Attach the security-metadata-streaming policy to a security
- D. Define a security-metadata-streaming policy under [edit
正解：A、B
質問 # 17
An ADVPN configuration has been verified on both the hub and spoke devices and it seems fine. However, OSPF is not functioning as expected.
Referring to the exhibit, which two statements under interface st0.0 on both the hub and spoke devices would solve this problem? (Choose two.)
- A. interface-type p2mp
- B. dynamic-neighbors
- C. passive
- D. interface-type p2p
正解：A、B
解説：
For ADVPN with OSPF, using a point-to-multipoint (p2mp) interface type and enabling dynamic-neighbors are crucial. This configuration allows dynamic discovery of neighbors and the establishment of tunnels. For more information, refer to Juniper ADVPN Configuration Guide.
In the ADVPN configuration, OSPF isn't functioning as expected due to the interface configuration on st0.0.
Here are the adjustments needed:
* Interface Type p2mp (Answer A): OSPF requires that the tunnel interface be set to p2mp (point-to- multipoint) to allow OSPF to communicate with multiple dynamic neighbors over the ADVPN tunnels.
Command Example:
bash
set interfaces st0.0 family inet ospf interface-type p2mp
* Dynamic Neighbors (Answer B): The dynamic neighbors statement allows OSPF to discover and communicate with dynamically established spokes in an ADVPN environment. This is essential for ADVPN to function properly since the tunnel endpoints are not static.
Command Example:
bash
set protocols ospf area 0.0.0.0 interface st0.0 dynamic-neighbors
These settings ensure OSPF properly functions over dynamically created ADVPN tunnels.
質問 # 18
Exhibit:
Referring to the exhibit, the operator user is unable to save configuration files to a usb stick the is plugged into SRX.
What should you do to solve this problem?
- A. Add the system-control permission flag to the operation class
- B. Add the system permission flag to the operation class
- C. Add the floppy permission flag to the operations class
- D. Add the interface-control permission flag to the operation class
正解：A
解説：
To solve the problem of the operator user being unable to save configuration files to a USB stick that is plugged into SRX, you need to add the system-control permission flag to the operations class.
The other options are incorrect because:
A) Adding the floppy permission flag to the operations class is not sufficient or necessary to save configuration files to a USB stick. The floppy permission flag allows the user to access the floppy drive, but not the USB drive. The USB drive is accessed by the system permission flag, which is already included in the operations class1.
C) Adding the interface-control permission flag to the operations class is also not sufficient or necessary to save configuration files to a USB stick. The interface-control permission flag allows the user to configure and monitor interfaces, but not to save configuration files. The configuration permission flag, which is also already included in the operations class, allows the user to save configuration files1.
D) Adding the system permission flag to the operations class is redundant and ineffective to save configuration files to a USB stick. The system permission flag allows the user to access the system directory, which includes the USB drive. However, the operations class already has the system permission flag by default1. The problem is not the lack of system permission, but the lack of system- control permission.
Therefore, the correct answer is B. You need to add the system-control permission flag to the operations class to solve the problem. The system-control permission flag allows the user to perform system-level operations, such as rebooting, halting, or snapshotting the device1. These operations are required to mount, unmount, and copy files to and from the USB drive2. To add the system-control permission flag to the operations class, you need to perform the following steps:
Enter the configuration mode: user@host> configure
Navigate to the system login class hierarchy: user@host# edit system login class operations Add the system-control permission flag: user@host# set permissions system-control Commit the changes: user@host# commit Reference: login (System) How to mount a USB drive on EX/SRX/MX/QFX Series platforms to import/export files
質問 # 19
Exhibit
The show network-access aaa radius-servers command has been issued to solve authentication issues.
Referring to the exhibit, to which two authentication servers will the SRX Series device continue to send requests? (Choose TWO)
- A. 192.168.30.191
- B. 192.168.30.190
- C. 200l:DB8:0:f101;:2
- D. 192.168.30.188
正解：A、D
質問 # 20
Your IPsec tunnel is configured with multiple security associations (SAs). Your SRX Series device supports the CoS-based IPsec VPNs with multiple IPsec SAs feature. You are asked to configure CoS for this tunnel.
Which two statements are true in this scenario? (Choose two.)
- A. A maximum of eight forwarding classes can be configured for a VPN with the multi-sa forwarding- classes statement.
- B. The local and remote gateways must have the forwarding classes defined in the same order.
- C. A maximum of four forwarding classes can be configured for a VPN with the multi-sa forwarding- classes statement.
- D. The local and remote gateways do not need the forwarding classes to be defined in the same order.
正解：A、B
解説：
When configuring CoS for an IPsec tunnel with multiple security associations (SAs):
* Forwarding Classes Order (Answer C): Both the local and remote SRX devices must have the same forwarding classes defined in the same order to ensure proper traffic classification and SA mapping. If not aligned, traffic classification can fail.
Command Example:
bash
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set security ipsec vpn vpn_name multi-sa forwarding-classes [class1 class2 ...]
* Maximum Forwarding Classes (Answer D): The multi-sa forwarding-classes statement allows up to eightforwarding classes. This is the maximum number of traffic classes that can be differentiated within a single VPN tunnel.
Command Example:
bash
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set security ipsec vpn vpn_name multi-sa forwarding-classes [class1 class2 class3 class4 class5 class6 class7 class8]
質問 # 21
Refer to the Exhibit.
Referring to the exhibit, which three topologies are supported by Policy Enforcer? (Choose three.)
- A. Topology 3
- B. Topology 5
- C. Topology 1
- D. Topology 2
- E. Topology 4
正解：A、C、E
解説：
Reference: https://www.juniper.net/documentation/en_US/junos-space17.2/policy- enforcer/topics/concept/policy-enforcer-deployment-supported-topologies.html
質問 # 22
you must find an infected host and where the aack came from using the Juniper ATP Cloud.
Which two monitor workspaces will return the requested information? (Choose Two)
- A. Encrypted Traffic
- B. Threat Sources
- C. Hosts
- D. File Scanning
正解：B、C
解説：
To find an infected host and where the attack came from using the Juniper ATP Cloud, you need to use the Hosts and Threat Sources monitor workspaces.
The other options are incorrect because:
B) The File Scanning monitor workspace shows the files that have been scanned by the Juniper ATP Cloud and their verdicts (clean, malicious, or unknown). It does not show the infected hosts or the attack sources1.
D) The Encrypted Traffic monitor workspace shows the encrypted traffic that has been decrypted by the Juniper ATP Cloud and the certificates that have been used. It does not show the infected hosts or the attack sources2.
Therefore, the correct answer is A and C. You need to use the Hosts and Threat Sources monitor workspaces to find an infected host and where the attack came from using the Juniper ATP Cloud.
To do so, you need to perform the following steps:
For Hosts, you need to access the Hosts monitor workspace in the Juniper ATP Cloud WebUI by selecting Monitor > Hosts. You can see the list of hosts that have been detected by the Juniper ATP Cloud and their risk scores, infection levels, and threat categories. You can filter the hosts by various criteria, such as IP address, hostname, domain, or threat category. You can also drill down into each host to see the details of the files, applications, and incidents associated with the host. You can identify the infected host by looking for the host with the highest risk score, infection level, or threat category3.
For Threat Sources, you need to access the Threat Sources monitor workspace in the Juniper ATP Cloud WebUI by selecting Monitor > Threat Sources. You can see the list of threat sources that have been detected by the Juniper ATP Cloud and their risk scores, threat categories, and geolocations.
You can filter the threat sources by various criteria, such as IP address, domain, or threat category.
You can also drill down into each threat source to see the details of the files, applications, and incidents associated with the threat source. You can identify the attack source by looking for the threat source with the highest risk score, threat category, or geolocation that matches the infected host.
Reference: File Scanning
Encrypted Traffic
Hosts
[Threat Sources]
質問 # 23
Which two statements are correct about mixed mode? (Choose two.)
- A. IRB interfaces can be used to route traffic.
- B. IRB interfaces cannot be used to route traffic.
- C. Layer 2 and Layer 3 interfaces can use the same security zone.
- D. Layer 2 and Layer 3 interfaces can use separate security zones.
正解：A、D
質問 # 24
You want to deploy two vSRX instances in different public cloud providers to provide redundant security services for your network. Layer 2 connectivity between the two vSRX instances is not possible.
What would you configure on the vSRX instances to accomplish this task?
- A. Chassis cluster
- B. Secure wire
- C. Virtual chassis
- D. Multinode HA
正解：B
解説：
In this scenario, you are deploying twovSRXinstances across different public cloud providers. Since Layer 2 connectivity is not possible between the two instances, traditional chassis clustering (which requires L2) will not work. Instead, you can useSecure Wireto connect the two vSRX instances, ensuring that traffic flows between them securely without Layer 2 requirements.
* Explanation of Answer B (Secure Wire):
* Secure Wireis a feature in Junos that allows two interfaces on the SRX to act as a Layer 2 wire, passing traffic transparently between them. However, traffic passing through the secure wire is still subject to security policies, which allows you to apply firewall rules without performing routing or switching.
* This solution fits the requirement to have security services between the vSRX instances in different cloud environments without needing L2 connectivity.
Juniper Security Reference:
* Secure Wire Overview: Secure Wire allows traffic to pass transparently while still applying security services, which is ideal for situations where Layer 2 connectivity is not possible. Reference: Juniper Secure Wire Documentation.
質問 # 25
Exhibit
Which two statements are correct about the output shown in the exhibit? (Choose two.)
- A. The packet is part of a new session.
- B. The packet is part of an existing session.
- C. The packet is explicitly rejected.
- D. The packet is silently discarded.
正解：A、C
質問 # 26
Exhibit
Referring to the exhibit, which two statements are true? (Choose two.)
- A. The 3uspiciou3_Endpoint3 feed is usable by any SRX Series device that is a part of the same realm as SRX-1
- B. You must manually create the suspicious_Endpoint3 feed in the Juniper ATP Cloud interface.
- C. Juniper ATP Cloud automatically creates the 3uopi'cioua_Endpoints feed after you commit the security policy.
- D. The 3uspicious_Endpoint3 feed is only usable by the SRX-1 device.
正解：A、D
質問 # 27
You are enabling advanced policy-based routing. You have configured a static route that has a next hop from the inet.0 routing table. Unfortunately, this static route is not active in your routing instance.
In this scenario, which solution is needed to use this next hop?
- A. Use policies.
- B. Use RIB groups.
- C. Use transparent mode.
- D. Use filter-based forwarding.
正解：B
解説：
To enable advanced policy-based routing in Junos OS and activate a static route with a next-hop address in the inet.0 table within your routing instance, you should utilize RIB groups. RIB groups allow you to import routes from one routing table to another. In this scenario, the static route within the routing instance needs access to the inet.0 routes, which is facilitated by configuring a RIB group. Juniper's documentation outlines RIB groups as a necessary component for handling instances where routes need to be shared across routing tables, thereby ensuring seamless traffic flow through specified routes. For more details, refer to the Juniper Networks Documentation on RIB Groups.
In Junos OS for SRX Series devices, when enabling advanced policy-based routing and configuring a static route with a next-hop from the inet.0 routing table, the issue arises because the static route is not being used in the routing instance. This is a common scenario when the next-hop belongs to a different routing table or instance, and the routing instance is not aware of that next-hop.
To resolve this,RIB (Routing Information Base) groupsare used. RIB groups allow routes from one routing table (RIB) to be shared or imported into another routing table. This means that the routing instance can import the necessary routes from inet.0 and make them available for the routing instance where the policy- based routing is applied.
Detailed Steps:
* Configure the Static Route:First, configure the static route pointing to the next-hop in inet.0. Here's an example:
bash
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set routing-options static route 10.1.1.0/24 next-hop 192.168.1.1
This static route will be placed in the inet.0 routing table by default.
* Create and Apply a RIB Group:To import routes from inet.0 into the routing instance, create a RIB group configuration. This will allow the static route from inet.0 to be visible within the routing instance.
Example configuration for the RIB group:
bash
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set routing-options rib-groups RIB-GROUP import-rib inet.0
set routing-options rib-groups RIB-GROUP import-rib <routing-instance-name>.inet.0 This configuration ensures that routes from inet.0 are imported into the specified routing instance.
* Apply the RIB Group to the Routing Instance:Once the RIB group is configured, apply it to the appropriate routing instance:
bash
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set routing-instances <routing-instance-name> routing-options rib-group RIB-GROUP
* Verify Configuration:Use the following command to verify that the static route has been imported into the routing instance:
bash
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show route table <routing-instance-name>.inet.0
The output should now display the static route imported from inet.0.
Juniper Security Reference:
* RIB Groups Overview: Juniper's documentation provides detailed information on how RIB groups function and how to use them to share routes between different routing tables. This is essential for scenarios involving policy-based routing where routes from one instance (like inet.0) need to be available in another instance. Reference: Juniper Networks Documentation on RIB Groups.
By using RIB groups, you ensure that the static route from inet.0 is available in the appropriate routing instance for policy-based routing to function correctly. This avoids the need for other methods like filter- based forwarding or transparent mode, which do not address the specific issue of static route visibility across routing instances.
質問 # 28
You have configured the backup signal route IP for your multinode HA deployment, and the ICL link fails.
Which two statements are correct in this scenario? (Choose two.)
- A. The backup node changes the routing preference to the other node at its medium priority.
- B. The active node removes the active signal route.
- C. The current active node retains the active role.
- D. The active node keeps the active signal route.
正解：C、D
解説：
In multinode HA, the active node retains its role and maintains the active signal route even if the ICL link fails, as long as a backup signal route IP is configured. This backup ensures continuity in failover scenarios.
For detailed information, refer to Juniper Multinode HA Documentation.
In amultinode HA (High Availability)deployment with SRX devices, theInter-Chassis Link (ICL)is critical for communication between the active and backup nodes. If the ICL link fails, the system relies on thebackup signal routeto continue monitoring the state of the HA deployment.
* Explanation of Answer A (Active Node Retains Active Role):
* If the ICL link fails but the backup signal route is still operational, the active node will retain its role as the active node. This is because the signal route allows the active node to confirm its operational state.
* Explanation of Answer D (Active Node Keeps Signal Route):
* The active node will maintain the signal route if the backup signal route remains operational. The backup node will not preemptively take over the active role unless it detects that the active node has failed entirely.
Juniper Security Reference:
* Multinode HA Overview: The backup signal route in multinode HA ensures that the active node retains control as long as it can maintain a signal route. Reference: Juniper HA Documentation.
質問 # 29
You want to enable transparent mode on your SRX series device.
In this scenario, which three actions should you perform? (Choose three.)
- A. Reboot the SRX device.
- B. Ensure that no IRB interfaces are configured on the device.
- C. Add your Layer 2 interfaces to a security zone.
- D. Install a Layer 2 feature license.
- E. Enable the ethernet-switching family on your Layer 2 interfaces
正解：A、C、E
質問 # 30
Referring to the exhibit,
which two statements are correct about the NAT configuration? (Choose two.)
- A. Any external host will be able to initiate a session to the reflexive address.
- B. The original destination port is used for the source port for the session.
- C. Both the internal and the external host can initiate a session after the initial translation.
- D. Only a specific host can initiate a session to the reflexive address after the initial session.
正解：B、D
解説：
The NAT setup allows only specific external hosts to reach the internal network post-initial session, providing controlled access. Reflexive NAT preserves the source port from the original request, maintaining continuity.
More on this can be found in Juniper NAT Configuration Documentation.
Looking at the NAT configuration, we observe the use ofpersistent NATwith the keywordpermit target-host
. Here's a detailed breakdown:
* Persistent NAT (Correct: Option B):Whenpersistent NATis configured with thepermit target-host option, it allows the internal host (from the 172.16.1.0/24 network) to initiate communication with an external host. After the initial session is established, only the specific external host (target host) is allowed to initiate subsequent sessions to the internal host using the reflexive address. This ensures that random external hosts cannot initiate sessions, which enhances security.
* Original Destination Port Reuse (Correct: Option D):In this configuration, theinterface-based source NATuses the original destination port of the incoming session as the source port for the outbound session. This maintains port transparency for NATed traffic, which can be crucial for certain types of applications that depend on consistent port numbers.
* Incorrect Options:
* Option Ais incorrect because persistent NAT with target-host does not allow both internal and external hosts to initiate sessions freely. Only the specific external hostcan initiate a session after the initial session is established by the internal host.
* Option Cis incorrect because only the specific external host can initiate subsequent sessions, not any random external host.
Juniper References:
* Juniper NAT Documentation: Describes the behavior of persistent NAT and how target-host restrictions work for enhanced security.
質問 # 31
What is the purpose of the Switch Microservice of Policy Enforcer?
- A. to isolate infected hosts
- B. to synchronize security policies to SRX Series devices
- C. to inspect traffic for malware
- D. to enroll SRX Series devices with Juniper ATP Cloud
正解：A
質問 # 32
Exhibit:
Referring to the exhibit, what do you use to dynamically secure traffic between the Azure and AWS clouds?
- A. You can dynamically secure traffic between the clouds by using URL filtering in the security policies.
- B. You can dynamically secure traffic between the clouds by using advanced connection tracking in the security policies.
- C. You can dynamically secure traffic between the clouds by using user identities in the security policies.
- D. You can dynamically secure traffic between the clouds by using security tags in the security policies.
正解：D
解説：
Security tags facilitate dynamic traffic management between cloud environments like Azure and AWS. Tags allow flexible policies that respond to cloud-native events or resource changes, ensuring secure inter-cloud communication. For more information, see Juniper Cloud Security Tags.
In the scenario depicted in the exhibit, where traffic needs to be dynamically secured between Azure and AWS clouds, the best method to achieve dynamic security is by using security tags in the security policies.
* Explanation of Answer C (Security Tags in Security Policies):
* Security tags allow dynamic enforcement of security policies based on metadata rather than static IP addresses or zones. This is crucial in cloud environments, where resources and IP addresses can change dynamically.
* Using security tags in the security policies, you can associate traffic flows with specific applications, services, or virtual machines, regardless of their underlying IP addresses or network locations. This ensures that security policies are automatically updated as cloud resources change.
Juniper Security Reference:
* Dynamic Security with Security Tags: This feature allows you to dynamically secure cloud-based traffic using metadata and tags, ensuring that security policies remain effective even in dynamic environments. Reference: Juniper Security Tags Documentation.
質問 # 33
Exhibit:
The Ipsec VPN does not establish when the peer initiates, but it does establish when the SRX series device initiates. Referring to the exhibit, what will solve this problem?
- A. The screen configuration on the untrust zone needs to be modified.
- B. IKE needs to be added for the host-inbound traffic on the VPN zone.
- C. Application tracking on the untrust zone needs to be removed.
- D. IKE needs to be added to the host-inbound traffic directly on the ge-0/0/0 interface.
正解：D
質問 # 34
Exhibit:
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The device cannot pass Layer 2 and Layer 3 traffic at the same time.
- B. You cannot secure intra-VLAN traffic with a security policy on this device.
- C. The device can pass Layer 2 and Layer 3 traffic at the same time.
- D. You can secure inter-VLAN traffic with a security policy on this device.
正解：C、D
解説：
The exhibit provides information about an SRX Series device operating in transparent mode (Layer 2) and Layer 3 routing at the same time. Let's break down the correct answers:
* Explanation of Answer B (Secure Inter-VLAN Traffic with a Security Policy):
* The SRX device can secure inter-VLAN traffic because it supports security policies for Layer 3 traffic between different VLANs. In this case, traffic moving between different VLANs (i.e., Layer 3 traffic) can be processed and controlled using security policies.
* Explanation of Answer C (Pass Layer 2 and Layer 3 Traffic Simultaneously):
* The SRX device can handle both Layer 2 and Layer 3 traffic simultaneously. In mixed mode, the device is capable of switching traffic at Layer 2 (intra-VLAN) while also routing traffic at Layer
3 (inter-VLAN). This is evident from the global configuration showing transparent bridge mode and Layer 3 interfaces.
Juniper Security Reference:
* Mixed Mode Overview: Juniper SRX devices in mixed mode can operate as both a Layer 2 switch and a Layer 3 router, allowing it to pass traffic at both layers simultaneously. Reference: Juniper Mixed Mode Documentation.
質問 # 35
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Juniper JN0-637 認定試験の出題範囲：
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最速準備で試験合格！JN0-637問題の事前予備：https://www.passtest.jp/Juniper/JN0-637-shiken.html
リリースJuniper JN0-637更新された問題PDF：https://drive.google.com/open?id=1rR3bk46QiPYw46CI4IcLVRQR-NNd1P3h