Prepare JN0-637 Question Answers - JN0-637 Exam Dumps
Real Juniper JN0-637 Exam Questions [Updated 2025]
Juniper JN0-637 Exam Syllabus Topics:
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NEW QUESTION # 20
You are asked to deploy filter-based forwarding on your SRX Series device for incoming traffic sourced from the 10.10 100 0/24 network in this scenario, which three statements are correct? (Choose three.)
- A. You must create a VRF-type routing instance.
- B. You must create and apply a firewall filter that matches on the source address 10.10.100.0/24 and then sends this traffic to your routing
- C. You must create a RIB group that adds interface routes to your routing instance.
- D. You must create and apply a firewall filter that matches on the destination address 10 10.100.0/24 and then sends this traffic to your routing instance.
- E. You must create a forwarding-type routing instance.
Answer: B,C,E
NEW QUESTION # 21
Which encapsulation type must be configured on the lt-0/0/0 logical units for an interconnect logical systems VPLS switch?
- A. encapsulation ethernet-vpls
- B. encapsulation ethernet
- C. encapsulation ethernet-bridge
- D. encapsulation vlan-vpls
Answer: A
NEW QUESTION # 22
What are three attributes that APBR queries from the application system cache module. (Choose Three)
- A. destination port
- B. protocol type
- C. TTL
- D. DSCP
- E. service
Answer: A,B,E
NEW QUESTION # 23
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. A maximum of four forwarding classes can be configured for a VPN with the multi-sa forwarding- classes statement.
- C. The local and remote gateways must have the forwarding classes defined in the same order.
- D. The local and remote gateways do not need the forwarding classes to be defined in the same order.
Answer: A,C
Explanation:
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]
NEW QUESTION # 24
Which two statements are correct about automated threat mitigation with Security Director?(Choose two.)
- A. Infected hosts are tracked by their chassis serial number.
- B. Infected hosts are tracked by their MAC address.
- C. Infected hosts are tracked by their IP address.
- D. Infected hosts are tracked by their user identity.
Answer: C,D
Explanation:
Security Director provides an integrated security management solution for Juniper devices, including SRX Series Firewalls. Automated threat mitigation refers to the system's capability to react dynamically to security incidents such as malware infections, based on predefined policies. Let's dive into the details behind each selected option:
* IP Address Tracking (Correct: Option A):Infected hosts are tracked by their IP address because the firewall and threat mitigation systems use the IP address as a key identifier for network traffic and routing. IP addresses are fundamental in identifying which device on the network is exhibiting malicious behavior. Security Director can automatically track and block these infected hosts using their IP addresses by correlating threat logs and incident data with a specific device's network activities.
* User Identity Tracking (Correct: Option D):Security Director integrates with identity management solutions and LDAP directories to correlate security incidents with specific user identities. This capability allows the security system to track threats not only by device but also by the authenticated user currently associated with that device. This feature is particularly useful in environments where multiple users share devices, or where network access is granted based on user credentials.
Now, let's discuss why the other options are incorrect:
* MAC Address Tracking (Incorrect: Option C):While MAC addresses can be used for identifying devices on the same local network, they are not a primary tracking method for infected hosts in the broader network managed by Security Director. MAC addresses are not visible once traffic passes through routers since Layer 2 information is stripped off. Therefore, Juniper's automated threat mitigation focuses more on IP and user identity tracking rather than MAC addresses.
* Chassis Serial Number Tracking (Incorrect: Option B):Tracking infected hosts by chassis serial number is not a common practice in automated threat mitigation. Serial numbers are primarily used for inventory and hardware management purposes, rather than for identifying infected hosts or mitigating threats in real time.
Juniper References:
* Juniper Security Director Documentation explains how IP addresses and user identities are tracked for threat mitigation, highlighting the importance of dynamic response based on these identifiers.
* Security Director supports dynamic blocklists and real-time mitigation strategies based on both IP and user-based tracking, leveraging integration with Active Directory (AD) or LDAP for identity-based policies.
NEW QUESTION # 25
Exhibit
Referring to the exhibit, which two statements are true about the CAK status for the CAK named
"FFFP"? (Choose two.)
- A. CAK is not used for encryption and decryption of the MACsec session.
- B. CAK is used for encryption and decryption of the MACsec session.
- C. SAK is not generated using this key.
- D. SAK is successfully generated using this key.
Answer: B,C
NEW QUESTION # 26
Exhibit:
You are configuring NAT64 on your SRX Series device. You have committed the configuration shown in the exhibit. Unfortunately, the communication with the 10.10.201.10 server is not working. You have verified that the interfaces, security zones, and security policies are all correctly configured.
In this scenario, which action will solve this issue?
- A. Configure destination NAT to translate return traffic from the IPv4 address to the IPv6 address of your source device.
- B. Configure source NAT to translate return traffic from IPv4 address to the IPv6 address of your source device.
- C. Configure proxy-ARP on the external IPv4 interface for the 10.10.201.10/32 address.
- D. Configure proxy-NDP on the IPv6 interface for the 2001:db8::1/128 address.
Answer: B
Explanation:
In the scenario described, you are configuring NAT64, which allows communication between IPv6 and IPv4 networks by translating IPv6 packets to IPv4 and vice versa. The configuration in the exhibit shows an attempt to translate traffic coming from the IPv6 address 2001:db8::1/128 and destined for the IPv4 address
10.10.201.10/32.
However, the issue here is related to the return traffic. For NAT64 to function correctly, you must ensure that the return traffic (from the IPv4 network) is translated back to the original IPv6 source address. Without proper translation of the return traffic, the communication will not be successful. In this case, you needsource NATto handle the return traffic correctly.
Detailed Solution:
* In NAT64, when traffic originates from an IPv6 network and is translated to IPv4, the return traffic from the IPv4 network must be translated back to the original IPv6 address usingsource NAT.
* The source NAT configuration must include translation for the return path from IPv4 to IPv6 to ensure bidirectional communication.
Configuration Example:
To resolve the issue, you can configure source NAT on the SRX device to handle the translation of the return traffic as follows:
* Configure Source NAT for Return Traffic:You need to configure source NAT on the interface handling the return traffic. This will translate the IPv4 address back to the IPv6 source address.
Example:
bash
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set security nat source rule-set ipv4-source-rule from zone untrust
set security nat source rule-set ipv4-source-rule to zone trust
set security nat source rule-set ipv4-source-rule rule source-nat-translation match source-address 10.10.201.10
/32
set security nat source rule-set ipv4-source-rule rule source-nat-translation then source-nat pool ipv6-source- pool
* Ensure Proper Routing and Security Policy Configuration:Make sure that both the IPv4 and IPv6 routes are correctly defined, and that security policies are allowing the return traffic through.
Use the following commands to verify the NAT and policy configurations:
bash
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show security nat source
show security policies
By configuring source NAT to translate the return traffic back to IPv6, the communication between the IPv6 host and the IPv4 server should now work correctly.
Juniper Security Reference:
* NAT64 Overview: This functionality allows IPv6 clients to communicate with IPv4-only servers. For successful translation, NAT64 requires both source NAT and destination NAT to handle the bidirectional traffic. Reference: Juniper Networks Documentation on NAT64.
NEW QUESTION # 27
You want to identify potential threats within SSL-encrypted sessions without requiring SSL proxy to decrypt the session contents.
Which security feature achieves this objective?
- A. encrypted traffic insights
- B. Secure Web Proxy
- C. DNS security
- D. infected host feeds
Answer: A
NEW QUESTION # 28
Exhibit:
You are troubleshooting a new IPsec VPN that is configured between your corporate office and the RemoteSite1 SRX Series device. The VPN is not currently establishing. The RemoteSite1 device is being assigned an IP address on its gateway interface using DHCP.
Which action will solve this problem?
- A. On both devices, change the IKE version to use version 2 only.
- B. On both devices, change the IKE policy mode to aggressive.
- C. On the RemoteSite1 device, change the IKE gateway external interface to st0.0.
- D. On both devices, change the IKE policy proposal set to basic.
Answer: B
Explanation:
Aggressive mode is required when an IP address is dynamically assigned, such as through DHCP, as it allows for faster establishment with less identity verification. More details are available in Juniper IKE and IPsec Configuration Guide.
The configuration shown in the exhibit highlights that theRemoteSite1SRX Series device is using DHCP to obtain an IP address for its external interface (ge-0/0/2). This introduces a challenge in IPsec VPN configurations when the public IP address of the remote site is not static, as is the case here.
Aggressive modein IKE (Internet Key Exchange) is designed for situations where one or both peers have dynamically assigned IP addresses. In this scenario,aggressive modeallows the devices to exchange identifying information, such as hostnames, rather than relying on static IP addresses, which is necessary when the remote peer (RemoteSite1) has a dynamic IP from DHCP.
* Correct Action (D): Changing the IKE policy mode toaggressivewill resolve the issue by allowing the two devices to establish the VPN even though one of them is using DHCP. In aggressive mode, the initiator can present its identity (hostname) during the initial handshake, enabling the VPN to be established successfully.
* Incorrect Options:
* Option A: Changing the external interface to st0.0 is incorrect because the st0 interface is used for the tunnel interface, not for the IKE negotiation.
* Option B: Changing to IKE version 2 would not resolve the dynamic IP issue directly, and IKEv1 works in this scenario.
* Option C: Changing the IKE proposal set to basic doesn't address the dynamic IP challenge in this scenario.
Juniper References:
* Juniper IKE and VPN Documentation: Provides details on when to use aggressive mode, especially when a dynamic IP address is involved.
NEW QUESTION # 29
You have deployed an SRX Series device at your network edge to secure Internet-bound sessions for your local hosts using source NAT. You want to ensure that your users are able to interact with applications on the Internet that require more than one TCP session for the same application session.
Which two features would satisfy this requirement? (Choose two.)
- A. STUN
- B. address persistence
- C. double NAT
- D. persistent NAT
Answer: B,D
Explanation:
Address persistence ensures that the same NAT IP address is used for all sessions originating from a single source IP. Persistent NAT maintains connections for applications needing multiple sessions, like VoIP.
Additional details are available in Juniper NAT Documentation.
For applications that require multiple TCP sessions for the same application session (such as VoIP or certain online games), the SRX device needs to handle NAT properly to maintain session continuity. Here's what helps:
* Address Persistence (Answer A): Address persistence ensures that multiple sessions initiated by the same internal host are mapped to the same external IP address. This is crucial for applications that use multiple TCP sessions to maintain a stateful connection with the external server.
Command Example:
bash
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set security nat source persistent-nat address-persistence
* Persistent NAT (Answer C): This feature allows the external server to initiate new connections to the internal client using the same NAT translation. It's essential for applications that require consistent NAT mappings across multiple sessions.
Command Example:
bash
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set security nat source persistent-nat permit target-host-port
These features ensure that applications with multiple TCP sessions work seamlessly across NAT.
NEW QUESTION # 30
You are asked to establish a hub-and-spoke IPsec VPN using an SRX Series device as the hub. All of the spoke devices are third-party devices.
Which statement is correct in this scenario?
- A. You must always peer using loopback addresses when using non-Junos devices as your spokes.
- B. You must ensure that you are using aggressive mode when incorporating third-party devices as your spokes.
- C. You must create a policy-based VPN on the hub device when peering with third-party devices.
- D. You must statically configure the next-hop tunnel binding table entries for each of the third-party spoke devices.
Answer: D
Explanation:
To ensure compatibility with third-party devices, next-hop tunnel binding must be manually configured, as dynamic protocols may not be universally supported. This ensures proper routing and secure connections. See Juniper IPsec VPN Configuration Guide.
In a hub-and-spoke IPsec VPN configuration where an SRX device serves as the hub and the spokes are third- party devices, special considerations must be taken into account due to the variability in VPN implementations across different vendors.
* Next-Hop Tunnel Binding (Correct: Option B):With third-party devices as spokes, dynamic routing protocols (like NHRP) may not be supported for dynamically learning spoke routes. In such cases, the next-hop tunnel binding tablemust be statically configured for each spoke on the SRX hub to ensure proper routing and VPN communication. This ensures that traffic between the spokes is routed correctly through the hub.
* Incorrect Options:
* Option Ais incorrect because aggressive mode is typically less secure and not recommended for hub-and-spoke topologies, especially with third-party devices.
* Option Cis incorrect because a route-based VPN is usually preferred when peering with third- party devices for flexibility and scalability.
* Option Dis incorrect because using loopback addresses is not a requirement when peering with third-party devices. It is a common practice in certain designs, but it is not mandatory.
Juniper References:
* Juniper IPsec VPN Configuration Guide: Provides insights on hub-and-spoke VPN configurations, including next-hop tunnel binding and considerations when working with third-party devices.
NEW QUESTION # 31
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 filter-based forwarding.
- B. Use RIB groups.
- C. Use transparent mode.
- D. Use policies.
Answer: B
Explanation:
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) groups are 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
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
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
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
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.
NEW QUESTION # 32
Click the Exhibit button.
Referring to the exhibit, which three actions do you need to take to isolate the hosts at the switch port level if they become infected with malware? (Choose three.)
- A. Use a third-party connector.
- B. Enroll the SRX Series device with Juniper ATP Cloud.
- C. Deploy Juniper Secure Analytics.
- D. Deploy Security Director with Policy Enforcer.
- E. Configure AppTrack on the SRX Series device.
Answer: B,D,E
Explanation:
To isolate hosts at the switch port level when they become infected with malware, the SRX Series device must integrate with advanced threat detection and network management tools. Here's how the actions contribute to achieving this:
* Explanation of Answer A (Enroll SRX with Juniper ATP Cloud):
* Enrolling the SRX Series device withJuniper ATP Cloudallows for advanced malware detection and prevention. Juniper ATP (Advanced Threat Prevention) Cloud provides a cloud-based sandboxing solution that analyzes files and traffic for malicious behavior, helping to identify infected hosts.
* Once the SRX is enrolled, it can receive real-time threat intelligence from the cloud, enabling proactive isolation of compromised hosts.
* Explanation of Answer C (Deploy Security Director with Policy Enforcer):
* Security DirectorwithPolicy Enforcerallows for centralized security management and automated responses. Policy Enforcer can dynamically update policies to block infected hosts and isolate them based on detected threats. This is critical for automating the isolation process at the switch port level.
* With Policy Enforcer, you can quarantine infected devices automatically.
* Explanation of Answer D (Configure AppTrack on SRX):
* AppTrackis used to monitor and track application usage on the network. By configuring AppTrack on the SRX, you can detect abnormal behavior that may indicate malware infections, such as unusual application usage patterns. AppTrack can also generate logs and alerts to assist in isolating infected hosts at the switch port level.
* This provides visibility into which applications are being used, helping to identifymalicious traffic.
Juniper Security Reference:
* Juniper ATP Cloud Overview: Integrates advanced malware detection and threat intelligence for proactive defense.
* Security Director with Policy Enforcer: Automates policy changes in response to threats, ensuring fast isolation of infected hosts. Reference: Juniper Security Director Documentation.
* AppTrack: Provides application visibility, monitoring, and threat detection. Reference: Juniper AppTrack Documentation.
NEW QUESTION # 33
You are asked to establish IBGP between two nodes, but the session is not established. To troubleshoot this problem, you configured trace options to monitor BGP protocol message exchanges.
Referring to the exhibit, which action would solve the problem?
- A. Modify the security policy to permit the BGP packets.
- B. Add the junos-host zone policy to permit the BGP packets.
- C. Add BGP to the lo0 host-inbound-traffic configuration.
- D. Add a firewall filter to lo0 that permits the BGP packets.
Answer: B
Explanation:
In Juniper SRX devices, for IBGP (internal BGP) sessions to be established, the firewall must permit BGP traffic to the loopback interface (lo0). BGP uses TCP port 179, and the device must explicitly allow incoming connections to this port. The trace options show that the packets are reaching the firewall but are not permitted.
* Correct Action (A): Adding a security policy to thejunos-hostzone will permit the BGP packets. The junos-hostzone represents traffic destined for the control plane (e.g., BGP traffic to the loopback interface). By creating a security policy that allows traffic on TCP port 179 to thejunos-hostzone, the IBGP session will be able to establish.
Juniper References:
* Juniper SRX Host-inbound Traffic Configuration: Explains the importance of allowing host-inbound traffic for control plane protocols like BGP on the SRX devices.
NEW QUESTION # 34
Your organization has multiple Active Directory domain to control user access. You must ensure that security polices are passing traffic based upon the user's access rights.
What would you use to assist your SRX series devices to accomplish this task?
- A. JATP Appliance
- B. JIMS
- C. JSA
- D. Junos Space
Answer: B
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-user-auth-configure- jims.html
NEW QUESTION # 35
Exhibit:
Your company uses SRX Series devices to establish an IPsec VPN that connects Site-1 and the HQ networks.
You want VoIP traffic to receive priority over data traffic when it is forwarded across the VPN.
Which three actions should you perform in this scenario? (Choose three.)
- A. Configure CoS forwarding classes and scheduling parameters.
- B. Enable next-hop tunnel binding.
- C. Enable the copy-outer-dscp parameter so that DSCP header values are copied to the tunneled packets.
- D. Enable the multi-sa parameter to enable two separate IPsec SAs for the VoIP and data traffic.
- E. Create a firewall filter that identifies VoIP traffic and associates it with the correct forwarding class.
Answer: A,D,E
Explanation:
Explanation:
NEW QUESTION # 36
You are configuring transparent mode on an SRX Series device. You must permit IP-based traffic only, and BPDUs must be restricted to the VLANs from which they originate.
Which configuration accomplishes these objectives?
- A.
- B.
- C.
- D.
Answer: C
Explanation:
https://www.juniper.net/documentation/us/en/software/junos/multicast-l2/topics/ref/statement/family- ethernet-switching-edit-interfaces-qfx-series.html#statement-name-statement__d26608e73
NEW QUESTION # 37
you are connecting two remote sites to your corporate headquarters site. You must ensure that traffic passes corporate headquarter.
- A. a Layer 3 VPN with the corporate firewall acting as the hub device
- B. a full mesh Layer 3 VPN with the BGP route reflector behind the corporate firewall device
- C. In this scenario, which VPN should be used?
- D. full mesh IPsec VPNs with tunnels between all sites
- E. hub-and-spoke IPsec VPN with the corporate firewall acting as the hub device
Answer: E
Explanation:
The most appropriate VPN topology when you need to ensure that all traffic from remote sites passes through the corporate headquarters would be a hub-and-spoke model. In this model, the corporate headquarters acts as the hub, and all remote sites (spokes) connect to it. This ensures that inter-site traffic goes through the headquarters, which can be important for security policy enforcement, logging, or other centralized services.
Hub-and-spoke IPsec VPN with the corporate firewall acting as the hub device - This setup will ensure that all traffic from the remote sites is routed through the corporate headquarters, allowing centralized control and inspection of the traffic.
NEW QUESTION # 38
The exhibit shows part of the flow session logs.
Which two statements are true in this scenario? (Choose two.)
- A. The existing session is found in the table, and the fast path process begins.
- B. Destination NAT occurs.
- C. This packet arrives on interface ge-0/0/4.0.
- D. Junos captures a TCP packet from source address 172.20.101.10 destined to 10.0.1.129.
Answer: C,D
Explanation:
From the session log, we can derive the following:
* Packet arrives on ge-0/0/4.0 (Answer B): The log indicates that the incoming packet is being processed on the ge-0/0/4.0 interface, as seen in the output.
Example Log Analysis:
ruby
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CID-0:THREAD_ID-01:RT: chose interface ge-0/0/4.0 as incoming nat if.
* TCP Packet Captured (Answer C): The source of the packet is 172.20.101.10 and it is destined for
10.0.1.129 on port 22, as described in the log.
Example Log Analysis:
ruby
Copy code
CID-0:THREAD_ID-01:RT: CID-0:THREAD_ID-01:RT: flow_first_create_session...
sa 172.20.101.10, da 10.0.1.129, sp 59009, dp 22
These logs show the creation of a session for TCP traffic (likely SSH, based on port 22) between the source and destination addresses across the tunnel.
NEW QUESTION # 39
Exhibit
Which two statements are correct about the output shown in the exhibit. (Choose two.)
- A. The packet is an SSH packet
- B. The source address is translated.
- C. The destination address is translated.
- D. The packet matches a user-configured policy
Answer: A,B
NEW QUESTION # 40
In a multinode HA environment, which service must be configured to synchronize between nodes?
- A. IDP
- B. Advanced policy-based routing
- C. PKI certificates
- D. IPsec VPN
Answer: C
Explanation:
Explanation:
NEW QUESTION # 41
You have deployed two SRX Series devices in an active/passive multimode HA scenario.
In this scenario, which two statements are correct? (Choose two.)
- A. Services redundancy group 0 (SRG0) is used for services that do not have a control plane state.
- B. Services redundancy group 1 (SRG1) is used for services that have a control plane state.
- C. Services redundancy group 0 (SRG0) is used for services that have a control plane state.
- D. Services redundancy group 1 (SRG1) is used for services that do not have a control plane state.
Answer: A,B
Explanation:
Explanation:
NEW QUESTION # 42
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. Logical system
- B. Tenant system
- C. Transparent mode
- D. Secure wire
Answer: A
Explanation:
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 use logical 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):
* A logical system on 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
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.
NEW QUESTION # 43
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