Download Security-Professional.JN0-637.PremiumDumps.2026-08-16.70q.vcex

Vendor: Juniper
Exam Code: JN0-637
Exam Name: Security-Professional
Date: Aug 16, 2026
File Size: 2 MB
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Demo Questions

Question 1
You have deployed automated threat mitigation using Security Director with Policy Enforcer, Juniper ATP Cloud, SRX Series devices, and EX Series switches.
In this scenario, which device is responsible for blocking the infected hosts?
  1. EX Series switch
  2. Juniper ATP Cloud
  3. Policy Enforcer
  4. Security Director
Correct answer: A
Question 2
You are asked to connect two hosts that are directly connected to an SRX Series device. The traffic should flow unchanged as it passes through the SRX, and routing or switch lookups should not be performed. However, the traffic should still be subjected to security policy checks.
What will provide this functionality?
  1. transparent mode
  2. secure wire
  3. MACsec
  4. mixed mode
Correct answer: A
Question 3
Click the Exhibit button.
You implement persistent NAT to allow any device on the external side of the firewall to initiate traffic once the initial translation has been established. Communication is not working according to the design requirements.
Referring to the exhibit, which statement is correct?
  1. The any-remote-host parameter does not support interface-based NAT and needs an IP pool to work.
  2. The target-host parameter should be used instead of the any-remote-host parameter.
  3. The target-host-port parameter should be used instead of the any-remote-host parameter.
  4. The port-overloading parameter needs to be turned off in the NAT source interface configuration.
Correct answer: A
Question 4
You configured two SRX Series devices in an active/passive multinode HA setup. You just rebooted both devices.
In this scenario, which statement is correct?
  1. Both devices are in the active state until the activeness determination process Is completed
  2. Both devices are in the passive state until the activeness determination process is completed.
  3. Both devices start in a hold state until the activeness determination process is completed.
  4. Both devices start in the undiscovered state until the activeness determination process Is completed.
Correct answer: D
Question 5
A user reports that a specific application Is not working properly. This application makes multiple connections to the server and must have the same address every time. Your firewall assigns multiple different source addresses from a pool and this behavior needs to be changed.
What would solve this problem?
  1. Use the persistent-nat parameter.
  2. Use STUN.
  3. Use the address-persistent parameter.
  4. Use DNS doctoring.
Correct answer: A
Question 6
What are three attributes that APBR queries from the application system cache (ASC) module? (Choose three.)
  1. TTL
  2. destination port
  3. service
  4. protocol type
  5. DSCP
Correct answer: B, C, D
Question 7
Click the Exhibit button.
You have configured a CoS-based VPN that is not functioning correctly.
Referring to the exhibit, which action will solve the problem?
  1. You must change the loss priorities of the forwarding classes to low.
  2. You must delete one forwarding class.
  3. You must change the code point for the DB-data forwarding class to 10000.
  4. You must use inet precedence instead of DSCP.
Correct answer: C
Question 8
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.)
  1. Use an interconnect VPLS switch.
  2. Use a secure wire.
  3. Use a point-to-point logical tunnel.
  4. Use an external router.
Correct answer: B, C
Question 9
Click the Exhibit button.
You have deployed an SRX Series device as shown in the exhibit. The devices in the Local zone have recently been added but their SRX interfaces have not been configured. You must configure the SRX to meet the following requirements: devices in the 10.1.1.0/24 network can communicate with other devices in the same network, but not with other networks or the SRX. you must be able to apply security policies to traffic flows between devices in the Local zone.
Which three configuration elements will be required as part of your configuration? (Choose three.)
  1. set protocols 12-learning global-mode switching
  2. set interfaces ge-0/0/1 unit 0 family ethernet-switching vlan-members 10
  3. set security zones security-zone Local interfaces ge-0/0/1.0
  4. set protocols 12-learning global-mode transparent-bridge
  5. set security zones security-zone Local interfaces irb.10
Correct answer: B, C, E
Question 10
Click the Exhibit button.
Referring to the exhibit, in which mode is the SRX Series device?
  1. transparent
  2. packet
  3. mixed
  4. Ethernet switching
Correct answer: C
Question 11
Which two statements are true when setting up an SRX Series device to operate in mixed mode? (Choose two.)
  1. A physical interface can be configured to be both a Layer 2 and a Layer 3 interface at the same time.
  2. The SRX must be rebooted after configuring at least one Layer 3 and one Layer 2 interface.
  3. Packets from Layer 2 interfaces are switched within the same bridge domain.
  4. User logical systems support Layer 2 traffic processing.
Correct answer: B, C
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