最新の2025年03月14日試験エンジン練習問題JN0-637最新の有効問題集を提供中です
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Juniper JN0-637 認定試験の出題範囲：
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質問 # 56
Exhibit
Referring to the exhibit, which two statements are true? (Choose two.)
- A. The SRX-1 device can use the Proxy__Nodes feed in another security policy.
- B. You can use the Proxy_Nodes feed as the source-address and destination-address match criteria of another security policy on a different SRX Series device.
- C. The SRX-1 device creates the Proxy_wodes feed, so it cannot use it in another security policy.
- D. You can only use the Proxy_Node3 feed as the destination-address match criteria of another security policy on a different SRX Series device.
正解：A、C
質問 # 57
Exhibit
You configure a traceoptions file called radius on your returns the output shown in the exhibit What is the source of the problem?
- A. The RADIUS server IP address is unreachable.
- B. The RADIUS server suffered a hardware failure.
- C. The authentication order is misconfigured.
- D. An incorrect password is being used.
正解：B
質問 # 58
Exhibit
Referring to the exhibit, which three statements are true? (Choose three.)
- A. The packet is dropped before making an SSH connection.
- B. The packet is allowed to make an SSH connection.
- C. The packet's destination is to an interface on the SRX Series device.
- D. The packet originated within the Trust zone.
- E. The packet's destination is to a server in the DMZ zone.
正解：A、C、D
質問 # 59
Exhibit
You are not able to ping the default gateway of 192.168 100 1 (or your network that is located on your SRX Series firewall.
Referring to the exhibit, which two commands would correct the configuration of your SRX Series device? (Choose two.)
- A.
- B.
- C.
- D.
正解：B、D
質問 # 60
you are connecting two remote sites to your corporate headquarters site. You must ensure that traffic passes corporate headquarter.
- A. full mesh IPsec VPNs with tunnels between all sites
- B. hub-and-spoke IPsec VPN with the corporate firewall acting as the hub device
- C. a Layer 3 VPN with the corporate firewall acting as the hub device
- D. In this scenario, which VPN should be used?
- E. a full mesh Layer 3 VPN with the BGP route reflector behind the corporate firewall device
正解：B
解説：
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.
質問 # 61
Refer to the exhibit,
which two potential violations will generate alarm ? (Choose Two)
- A. the number of policy violations by a source network identifier
- B. the number of policy violation to an application within a specified period
- C. the number of policy violation by a destination TCP port
- D. the ratio of policy violation traffic compared to accepted traffic.
正解：A、B
解説：
The exhibit shows a security policy configuration with a threshold of 1000 policy violations by a source network identifier and a threshold of 10 policy violations to an application within a specified period. If either of these thresholds are exceeded, an alarm will be generated. Therefore, the correct answer is A and D. The other options are incorrect because:
B) The ratio of policy violation traffic compared to accepted traffic is not a criterion for triggering an alarm.
The security policy configuration does not specify any ratio or percentage of policy violation traffic that would cause an alarm.
C) The number of policy violation by a destination TCP port is also not a criterion for triggering an alarm.
The security policy configuration does not specify any threshold or duration for policy violation by a destination TCP port.
Reference: policy (Security Alarms)
Monitoring Security Policy Violations
質問 # 62
Exhibit
Which two statements are correct about the output shown in the exhibit. (Choose two.)
- A. The source address is translated.
- B. The packet matches a user-configured policy
- C. The destination address is translated.
- D. The packet is an SSH packet
正解：A、D
質問 # 63
You have the NAT rule, shown in the exhibit, applied to allow communication across an IPsec tunnel between your two sites with identical networks.
Which statement is correct in this scenario?
- A. The NAT rule in applied to the N/A routing instance.
- B. The NAT rule with translate the source and destination addresses.
- C. The NAT rule will only translate two addresses at a time.
- D. 10 packets have been processed by the NAT rule.
正解：B
質問 # 64
Refer to the exhibit,
which two potential violations will generate alarm ? (Choose Two)
- A. the number of policy violations by a source network identifier
- B. the number of policy violation to an application within a specified period
- C. the number of policy violation by a destination TCP port
- D. the ratio of policy violation traffic compared to accepted traffic.
正解：A、B
解説：
The exhibit shows a security policy configuration with a threshold of 1000 policy violations by a source network identifier and a threshold of 10 policy violations to an application within a specified period. If either of these thresholds are exceeded, an alarm will be generated. Therefore, the correct answer is A and D. The other options are incorrect because:
B) The ratio of policy violation traffic compared to accepted traffic is not a criterion for triggering an alarm.
The security policy configuration does not specify any ratio or percentage of policy violation traffic that would cause an alarm.
C) The number of policy violation by a destination TCP port is also not a criterion for triggering an alarm.
The security policy configuration does not specify any threshold or duration for policy violation by a destination TCP port.
Reference: policy (Security Alarms)
Monitoring Security Policy Violations
質問 # 65
What are three attributes that APBR queries from the application system cache module. (Choose Three)
- A. protocol type
- B. service
- C. DSCP
- D. TTL
- E. destination port
正解：A、B、E
質問 # 66
You configured two SRX series devices in an active/passive multimode HA setup.
In this scenario, which statement is correct?
- A. Both devices are in the active state until the activeness determine determination process is completed.
- B. Both devices are in the passive state until the activeness determination process is completed.
- C. Both devices start in the undiscovered state until the activeness determination process is completed.
- D. Both devices start in a hold state until the activeness determination process is completed.
正解：A
質問 # 67
You want to create a connection for communication between tenant systems without using physical revenue ports on the SRX Series device.
What are two ways to accomplish this task? (Choose two.)
- A. Use an interconnect VPLS switch.
- B. Use an external router.
- C. Use a secure wire.
- D. Use a point-to-point logical tunnel.
正解：A、D
質問 # 68
Referring to the exhibit, you are attempting to set up a remote access VPN on your SRX series devices.
However you are unsure of which system services you should allow and in which zones they should be allowed to correctly finish the remote access VPN configuration Which two statements are correct? (Choose two.)
- A. You should add the host-inbound-traffic system-service tcp-encap statement to the Untrust zone
- B. You should add the host-inbound-traffic system-service ike statement to the VPN zone.
- C. You should add the host-inbound-traffic system-service ike statement to the Untrust zone.
- D. You should add the host-inbound-traffic system-service tcp-encap statement to the VPN zone
正解：A、C
質問 # 69
You are asked to allocate security profile resources to the interconnect logical system for it to work properly.
In this scenario, which statement is correct?
- A. The flow-session resource must be defined in the security profile for the interconnect logical system.
- B. The resources must be calculated based on the amount of traffic that will flow between the logical systems.
- C. No resources are needed to be allocated to the interconnect logical system.
- D. The NAT resources must be defined in the security profile for the interconnect logical system.
正解：C
質問 # 70
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. Both the internal and the external host can initiate a session after the initial translation.
- C. The original destination port is used for the source port for the session.
- D. Only a specific host can initiate a session to the reflexive address after the initial session.
正解：C、D
解説：
Persistent NAT with target-host restricts session initiation to specific addresses, enhancing security. Reflexive NAT supports multiple connections by preserving the original port. Refer to Juniper NAT Configuration Documentation.
Referring to the NAT configuration shown in the exhibit:
* Specific Host Can Initiate a Session (Answer B): The configuration usespersistent NATwith the permit target-host-port statement. This allows a specific external host (based on the target host and port used in the initial session) to initiate a session back to the internal host after the initial session has been established.
Explanation: Persistent NAT ensures that the translation state is maintained, allowing external hosts to connect back only under specific conditions (e.g., the same target host and port as used in the original connection).
* Original Destination Port (Answer D): The original destination port used by the internal host is retained as the source port when the session is established from outside to inside. This behavior is a result of how persistent NAT binds the internal and external sessions, ensuring that communication occurs over the same port used for the initial session.
質問 # 71
You Implement persistent NAT to allow any device on the external side of the firewall to initiate traffic.
Referring to the exhibit, which statement is correct?
- A. The any-remote-host parameter does not support interface-based NAT and needs an IP pod to work.
- B. The port-overloading parameter needs to be turned off in the NAT source interface configuration
- C. The target-host parameter should be used instead of the any-remote-host parameter.
- D. The target-host-port parameter should be used instead of the any-remote-host parameter
正解：A
質問 # 72
Exhibit:
Referring to the exhibit, which two statements are correct? (Choose two.)
- A. The ge-0/0/3.0 and ge-0/0/4.0 interfaces are not active and will not respond to ARP requests to the virtual IP MAC address.
- B. This device is the active node for SRG1.
- C. This device is the backup node for SRG1.
- D. The ge-0/0/3.0 and ge-0/0/4.0 interfaces are active and will respond to ARP requests to the virtual IP MAC address.
正解：A、C
解説：
The interfaces are active and respond to ARP for virtual IP as long as the node is the primary or active node in the SRG group. This ensures high availability and proper traffic forwarding. For information, refer to Juniper SRX HA Documentation.
The exhibit shows information about a chassis cluster and its services redundancy group (SRG1). Let's analyze the relevant details:
* Explanation of Answer B (Backup Node for SRG1):
* The exhibit indicates that this SRX device is in the backup role for SRG1. The status: BACKUP field confirms that this device is currently in a standby role and is not the active node for the services redundancy group.
* Explanation of Answer A (Interfaces Not Active):
* Since the device is in the backup role, the interfaces ge-0/0/3.0 and ge-0/0/4.0 will not respond to ARP requests for the virtual IP's MAC address. Only the active node's interfaces respond to ARP requests in a chassis cluster configuration.
Juniper Security Reference:
* Chassis Cluster Redundancy Overview: In a chassis cluster, the backup node does not respond to ARP requests for the virtual IP. Only the active node handles such requests to ensure seamless traffic forwarding. Reference: Juniper Chassis Cluster Documentation.
質問 # 73
In a multinode HA environment, which service must be configured to synchronize between nodes?
- A. Advanced policy-based routing
- B. IPsec VPN
- C. PKI certificates
- D. IDP
正解：D
解説：
Intrusion Detection and Prevention (IDP) services require synchronization between nodes in a multinode HA setup to maintain consistent attack detection and prevention across the network. This ensures seamless failover and accurate threat mitigation. For more information, see Juniper IDP HA Configuration Guide.
In a multinode HA environment,IDP (Intrusion Detection and Prevention)services must be synchronized between nodes to ensure that the same threat detection and prevention rules are consistently applied across both nodes in the HA cluster. When IDP is used, the state and configuration of IDP signatures and actions need to be synchronized to ensure that failover or switchover between nodes does not cause discrepancies in security policies and inspection.
* IDP Synchronization: The synchronization ensures that both nodes are consistently analyzing traffic for threats and applying the same intrusion prevention mechanisms. If this service is not synchronized, the secondary node might fail to detect threats after a failover.
Juniper References:
* Juniper IDP Synchronization: Explains the importance of synchronizing IDP services across HA nodes to maintain consistent security posture across both devices.
質問 # 74
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