Download Security, Associate.CertDumps.JN0-231.2023-11-10.1e.129q.vcex

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Exam Security, Associate
Number JN0-231
File Name Security, Associate.CertDumps.JN0-231.2023-11-10.1e.129q.vcex
Size 1.03 Mb
Posted November 10, 2023
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Demo Questions

Question 1
Which of these about security zones is true?

  • A: Logical interfaces can only be added to user-defined security zones
  • B: A security zone must contain at least one interface
  • C: An interface can belong to multiple security zones
  • D: A security zone can only contain one interface
Correct Answer: A
A security zone can contain multiple interfaces.  
A security zone may contain no interfaces.  
An interface can only belong to one security zone.  
Logical interfaces cannot be added to system-defined security zones, they must be added to userdefined security zones.  
Further reading -  
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-zone-configuration.html



Question 2
SSH service has been correctly configured on an SRX device. However, administrators are unable to connect using SSH on the revenue ports.  
Which of these can be configured to solve this problem?

  • A: Allow SSH traffic as host inbound traffic on the incoming security zone
  • B: Configure an IDP policy to allow SSH traffic
  • C: Configure a global policy to allow SSH traffic
  • D: Configure a security policy to allow SSH traffic
Correct Answer: A
Host inbound traffic controls traffic that is destined for the Junos device itself. SSH traffic terminates on the device itself and must be allowed as host inbound traffic.  
Further reading -  
https://www.juniper.net/documentation/en_US/junos/topics/reference/configuration-statement/security-edit-host-inbound-traffic.html



Question 3
Which of these is a common designation for management interfaces on the Junos platform?

  • A: lo0
  • B: mgmt-0/0/0
  • C: ge-0/0/0
  • D: fxp0
Correct Answer: D
Management interfaces are the primary interfaces for accessing the device remotely. Typically, a management interface is not connected to the in-band network, but is connected instead to the device's internal network. Through a management interface you can access the device over the network using utilities such as ssh and telnet and configure the device from anywhere, regardless of its physical location.  
Most of SRX Series devices contain an fxp0 interface.  
Further reading -  
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-chassis-cluster-management-interfaces.html



Question 4
Which command can be used to view the mode (flow or packet-based) in which the SRX device is operating?

  • A: user@SRX> show security flow session
  • B: user@SRX> show security flow forwarding-mode
  • C: user@SRX> show security flow status
  • D: user@SRX> show security flow forwarding-status
Correct Answer: C
user@root> show security flow status  
Flow forwarding mode: 
Inet forwarding mode: flow based 
Inet6 forwarding mode: drop 
MPLS forwarding mode: drop 
ISO forwarding mode: drop 
Advanced services data-plane memory mode: Default 
Flow trace status  
Flow tracing status: off 
Flow session distribution  
Distribution mode: RR-based 
Flow ipsec performance acceleration: off 
Flow packet ordering  
Ordering mode: Hardware 
Further reading - https://kb.juniper.net/InfoCenter/index?page=content&id=KB30461



Question 5
Which of these are pre-defined login classes available on an SRX device? (Choose two)

  • A: Super-user
  • B: Root
  • C: JTAC
  • D: Administrator
  • E: Operator
Correct Answer: AE
The predefined login classes found on an SRX device are: 
operator  
read-only  
superuser or super-user  
unauthorized  
Further reading
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/junos-os-login-class.html



Question 6
An interface can have an IPv4 and an IPv6 address at the same time.  
True or False.

  • A: False
  • B: True
Correct Answer: B
An interface can be configured with an IPv4 address, IPv6 address, or both.  
Further reading -  
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-zone-configuration.html



Question 7
Which of these is true about STATELESS firewalls on an SRX device?

  • A: Packets are analyzed as part of a session
  • B: Packets are analyzed using firewall filters
  • C: Packets are analyzed using security policies
  • D: Packets are analyzed using source zone information
Correct Answer: B
Firewall filters are stateless in nature and can be used to regulate incoming traffic on a packet-by-packet basis.  
Further reading -  
https://www.juniper.net/documentation/en_US/junos/topics/concept/firewall-filter-stateless-overview.html



Question 8
When configured in packet mode, which of these features are NOT available on an SRX device? (Choose three)

  • A: Unified Threat Management
  • B: Firewall Filters
  • C: Network Address Translation
  • D: Security Policies
Correct Answer: ACD
An SRX device can operate in two different modes: packet mode and flow mode. In flow mode, SRX processes all traffic by analyzing the state or session of traffic. This is also called stateful processing of traffic. In packet mode, SRX processes the traffic as a traditional router on a per-packet basis. This is also known as stateless processing of traffic. Security features like IPsec, NAT, UTM, and so on, do not work in packet mode. By default, Junos OS on SRX devices works in flow mode.  
Also, firewall filters work on a per-packet basis.  
Further reading - https://kb.juniper.net/InfoCenter/index?page=content&id=KB30461



Question 9
Which type of security is provided by firewall filters?

  • A: Content filtering
  • B: Encrypted
  • C: Stateless
  • D: Stateful
Correct Answer: C
To influence which packets are allowed to transit the system and to apply special actions to packets as necessary, you can configure stateless firewall filters.  
A stateless firewall filter enables you to manipulate any packet of a particular protocol family, including fragmented packets, based on the evaluation of Layer 3 and Layer 4 header fields.  
Further reading -  
https://www.juniper.net/documentation/en_US/junos/topics/concept/firewall-filter-overview.html



Question 10
Which of these statements are true? (Choose two)

  • A: The null zone is a user-defined zone
  • B: All traffic to the null zone is allowed
  • C: By default, all interfaces belong to the null zone
  • D: All traffic to the null zone is dropped
Correct Answer: CD
Further reading -  
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-zone-configuration.html






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