Pass Your JN0-636 Exam Easily With 100% Exam Passing Guarantee [2024]
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To pass the Juniper JN0-636 exam, candidates must possess a deep understanding of Juniper Networks security products and services, as well as a strong foundation in networking concepts and protocols. They must also be able to demonstrate their ability to configure and deploy security solutions, as well as troubleshoot and resolve complex security issues. Passing JN0-636 exam demonstrates to employers and colleagues that you have a high level of proficiency in Juniper security technologies, and can be an excellent way to advance your career in the field of network security.
NEW QUESTION # 29
In Juniper ATP Cloud, what are two different actions available in a threat prevention policy to deal with an infected host? (Choose two.)
- A. Close the connection.
- B. Drop the connection silently.
- C. Send a custom message
- D. Quarantine the host.
Answer: A,D
Explanation:
In Juniper ATP Cloud, a threat prevention policy allows you to define how the system should handle an infected host. Two of the available actions are:
Close the connection: This action will close the connection between the infected host and the destination to which it is trying to connect. This will prevent the host from communicating with the destination and will stop any malicious activity.
Quarantine the host: This action will isolate the infected host from the network by placing it in a quarantine VLAN. This will prevent the host from communicating with other devices on the network, which will prevent it from spreading malware or exfiltrating data.
Sending a custom message is used to notify the user and administrator of the action taken. Drop the connection silently is not an action available in Juniper ATP Cloud.
According to the Juniper documentation, the threat prevention policy in Juniper ATP Cloud is a configuration that defines the actions and notifications for different threat levels of the traffic. The threat levels are based on the verdicts returned by Juniper ATP Cloud after analyzing the files, URLs, and domains. The threat levels range from 1 to 10, where 1 is the lowest and 10 is the highest1.
The threat prevention policy allows the user to specify different actions for different threat levels. The actions can be applied to the traffic or to the infected host. The actions available for the traffic are:
Permit: Allows the traffic to pass through the SRX Series device without any interruption.
Block: Blocks the traffic and sends a reset packet to the client and the server.
Drop: Drops the traffic silently without sending any reset packet.
Redirect: Redirects the traffic to a specified URL, such as a warning page or a sinkhole server.
The actions available for the infected host are:
None: Does not take any action on the infected host.
Quarantine: Quarantines the infected host by applying a firewall filter that blocks all outbound traffic from the host, except for the traffic to Juniper ATP Cloud or the specified redirect URL.
Custom: Executes a custom script on the SRX Series device to perform a user-defined action on the infected host, such as sending an email notification or triggering an external system.
Therefore, the two different actions available in a threat prevention policy to deal with an infected host are:
Block: This action will block the traffic from or to the infected host and send a reset packet to the client and the server. This will prevent the infected host from communicating with the malicious server or spreading the malware to other hosts.
Quarantine: This action will quarantine the infected host by blocking all outbound traffic from the host, except for the traffic to Juniper ATP Cloud or the redirect URL. This will isolate the infected host from the network and allow the user to remediate the infection.
The following actions are not available or incorrect:
Send a custom message: This is not an action available in the threat prevention policy. However, the user can use the custom action to execute a script that can send a custom message to the infected host or the administrator.
Drop the connection silently: This is an action available for the traffic, not for the infected host. It will drop the traffic without sending any reset packet, which may not be effective in stopping the infection or notifying the user.
NEW QUESTION # 30
Referring to the exhibit, a spoke member of an ADVPN is not functioning correctly.
Which two commands will solve this problem? (Choose two.)
- A.
- B.
- C.
- D.
Answer: B
NEW QUESTION # 31
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 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.
- 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 VRF-type routing instance.
- D. You must create a forwarding-type routing instance.
- E. You must create a RIB group that adds interface routes to your routing instance.
Answer: A,B,C
NEW QUESTION # 32
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 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.
- 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 a forwarding-type routing instance.
- E. You must create a VRF-type routing instance.
Answer: B,C,D
Explanation:
According to the Juniper documentation, filter-based forwarding (FBF) is a technique that allows the SRX Series device to forward packets based on firewall filter rules, rather than the default routing table1. FBF can be used to implement policy-based routing, load balancing, or traffic engineering2. To deploy FBF on the SRX Series device for incoming traffic sourced from the 10.10.100.0/24 network, the following steps are required:
You must create a forwarding-type routing instance. A forwarding-type routing instance is a special type of routing instance that is used for FBF. It does not have any interfaces or routing protocols associated with it, but it has its own routing table that can be populated by static routes, RIB groups, or routing policies3. You can create a forwarding-type routing instance by using the following command:
set routing-instances <instance-name> instance-type forwarding
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 instance. A firewall filter is a set of rules that can match on various packet attributes, such as source and destination addresses, ports, protocols, and so on. You can use the then routing-instance action to specify the routing instance that the packet should be forwarded to4. You can create and apply a firewall filter by using the following commands:
set firewall family inet filter <filter-name> term <term-name> from source-address 10.10.100.0/24 set firewall family inet filter <filter-name> term <term-name> then routing-instance <instance-name> set interfaces <interface-name> unit <unit-number> family inet filter input <filter-name> You must create a RIB group that adds interface routes to your routing instance. A RIB group is a mechanism that allows you to import routes from one routing table to another. You can use a RIB group to add the interface routes of the ingress interface to the routing table of the forwarding-type routing instance. This will ensure that the SRX device can forward the packets to the correct next hop based on the destination address5. You can create a RIB group by using the following commands:
set routing-options rib-groups <rib-group-name> import-rib inet.0 set routing-options rib-groups <rib-group-name> import-rib <instance-name>.inet.0 set routing-instances <instance-name> routing-options instance-import <rib-group-name> The following steps are not required or incorrect:
You do not need to create a VRF-type routing instance. A VRF-type routing instance is a type of routing instance that is used for virtual routing and forwarding. It allows you to create multiple logical routers on the same physical device, each with its own interfaces, routing protocols, and routing tables. VRF-type routing instances are typically used for VPNs, MPLS, or network segmentation. However, they are not necessary for FBF, which can be achieved with a forwarding-type routing instance.
You do not need to 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. This would be redundant and unnecessary, as the destination address of the incoming traffic is already determined by the routing table of the forwarding-type routing instance. Moreover, this would create a loop, as the traffic would be sent back to the same routing instance that it came from.
NEW QUESTION # 33
Regarding IPsec CoS-based VPNs, what is the number of IPsec SAs associated with a peer based upon?
- A. The number of forwarding classes configured for the VPN.
- B. The number of classifiers configured for the VPN.
- C. The number of traffic selectors configured for the VPN.
- D. The number of CoS queues configured for the VPN.
Answer: A
Explanation:
In IPsec CoS-based VPNs, the number of IPsec Security Associations (SAs) associated with a peer is based on the number of forwarding classes configured for the VPN. The forwarding classes are used to classify and prioritize different types of traffic, such as voice and data traffic. Each forwarding class requires a separate IPsec SA to be established between the peers, in order to provide the appropriate level of security and quality of service for each type of traffic.
NEW QUESTION # 34
Which statement is true about the output shown in the exhibit?
- A. The SRX Series device is configured with default security forwarding options.
- B. The SRX Series device is configured with flow-based IPv6 forwarding options.
- C. The SRX Series device is configured with packet-based IPv6 forwarding options.
- D. The SRX Series device is configured to disable IPv6 packet forwarding.
Answer: A
NEW QUESTION # 35
The IPsec VPN on your SRX Series device establishes both the Phase 1 and Phase 2 security associations. Users are able to pass traffic through the VPN. During peak VPN usage times, users complain about decreased performance. Network connections outside of the VPN are not seriously impacted.
Which two actions will resolve the problem? (Choose two.)
- A. Verify that NAT-T is not disabled in the properties of the phase 1 gateway.
- B. Verify that the PKI certificate used to establish the VPN is being properly verified using either the CPL or OCSP.
- C. Lower the MTU size on the interface to reduce the likelihood of packet fragmentation.
- D. Lower the MSS setting in the security flow stanza for IPsec VPNs.
Answer: C,D
NEW QUESTION # 36
What are two important function of the Juniper Networks ATP appliance solution? (Choose two.).
- A. Detection
- B. Filtration
- C. Analysis
- D. Statistics
Answer: A,C
NEW QUESTION # 37
which security feature bypasses routing or switching lookup?
- A. transparent mode
- B. mixed mode
- C. secure wire
- D. MACsec
Answer: A
Explanation:
The security feature that bypasses routing or switching lookup is transparent mode. The other options are incorrect because:
B) Secure wire is a feature that allows you to connect two interfaces on the same device and forward traffic between them without any processing. Secure wire does not bypass routing or switching lookup, but rather eliminates them altogether1.
C) Mixed mode is a mode of operation for SRX Series devices that allows you to configure both transparent mode and switching mode on the same device. Mixed mode does not bypass routing or switching lookup, but rather uses them depending on the interface type2.
D) MACsec (Media Access Control Security) is a feature that provides encryption and authentication for Layer 2 traffic. MACsec does not bypass routing or switching lookup, but rather operates at a lower layer3.
Therefore, the correct answer is
A) Transparent mode is a mode of operation for SRX Series devices that provides Layer 2 bridging capabilities with full security services. In transparent mode, the SRX Series device acts as a bridge between two network segments and inspects the packets without modifying the source or destination information in the IP packet header. The SRX Series device does not have an IP address in transparent mode, except for the management interface. Transparent mode bypasses routing or switching lookup, because the SRX Series device does not perform any routing or switching functions, but rather forwards the packets based on the MAC addresses4.
Reference:
Secure Wire Overview
Mixed Mode Overview
MACsec Overview
Transparent Mode Overview
NEW QUESTION # 38
Exhibit
You are implementing filter-based forwarding to send traffic from the 172.25.0.0/24 network through ISP-1 while sending all other traffic through your connection to ISP-2. Your ge-0/0/1 interface connects to two networks, including the 172.25.0.0/24 network. You have implemented the configuration shown in the exhibit.
The traffic from the 172.25.0.0/24 network is being forwarded as expected to 172.20.0.2, however traffic from the other network (172.25.1.0/24) is not being forwarded to the upstream 172.21.0.2 neighbor.
In this scenario, which action will solve this problem?
- A. You must create the static default route to neighbor 172.21 0.2 under the ISP-1 routing instance hierarchy.
- B. You must specify that the 172.25.1.1/24 IP address is the primary address on the ge-0/0/1 interface.
- C. You must apply the firewall filter to the lo0 interface when using filter-based forwarding.
- D. You must add another term to the firewall filter to accept the traffic from the 172.25.1.0/24 network.
Answer: A
NEW QUESTION # 39
Exhibit
Which two statements are correct about the output shown in the exhibit? (Choose two.)
- A. The packet matches the default security policy.
- B. The packet matches a configured security policy.
- C. The packet is processed in the first path packet flow.
- D. The packet is processed as host inbound traffic.
Answer: A,D
NEW QUESTION # 40
You are asked to ensure that your IPS engine blocks attacks. You must ensure that your system continues to drop additional malicious traffic without additional IPS processing for up to 30 minutes. You must ensure that the SRX Series device does send a notification packet when the traffic is dropped.
Which statement is correct?
- A. Use the Drop Packet action.
- B. Use the IP-Close action.
- C. Use the Drop Connection action.
- D. Use the IP-Block action.
Answer: B
NEW QUESTION # 41
Click the Exhibit button.
You have recently committed the IPS policy shown in the exhibit. When evaluating the expected behavior, you notice that you have a session that matches all the rules in your IPS policy.
In this scenario, which action would be taken?
- A. drop packet
- B. close-client-and-server
- C. ignore-connection
- D. no-action
Answer: D
Explanation:
https://www.juniper.net/documentation/en_US/junos/topics/topic-map/security-idp-policy-rules- and-rulebases.html
NEW QUESTION # 42
Click the Exhibit button.
When attempting to enroll an SRX Series device to JATP, you receive the error shown in the exhibit.
What is the cause of the error?
- A. The SRX Series device does not have an IP address assigned to the interface that accesses JATP
- B. The fxp0 IP address is not routable
- C. The SRX Series device certificate does not match the JATP certificate
- D. A firewall is blocking HTTPS on fxp0
Answer: A
NEW QUESTION # 43
What are two valid modes for the Juniper ATP Appliance? (Choose two.)
- A. event collector
- B. all-in-one
- C. core
- D. flow collector
Answer: B,C
Explanation:
The two valid modes for the Juniper ATP Appliance are all-in-one and core. The all-in-one mode is a single appliance that performs both the collector and the core functions. The collector function collects traffic from the network and sends it to the core function for analysis and detection. The core function performs the threat detection, mitigation, and analytics. The all-in-one mode is suitable for small to medium-sized networks that do not require high scalability or performance. The core mode is a dedicated appliance that performs only the core function. The core mode is used in conjunction with one or more collector appliances that collect traffic from the network and send it to the core appliance for analysis and detection. The core mode is suitable for large-scale networks that require high scalability and performance. Reference: Juniper Security, Professional (JNCIP-SEC) Reference Materials source and documents: https://www.juniper.net/documentation/en_US/junos/topics/concept/security-atp-appliance-overview.html
NEW QUESTION # 44
You are connecting two remote sites to your corporate headquarters site.You must ensure that all traffic is secured and sent directly between sites In this scenario, which VPN should be used?
- A. hub-and-spoke IPsec VPN
- B. IPsec ADVPN
- C. Layer 2 VPN
- D. full mesh Layer 3 VPN with EBGP
Answer: A
NEW QUESTION # 45
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. 192.168.30.188
- C. 200l:DB8:0:f101::2
- D. 192.168.30.190
Answer: A,B
NEW QUESTION # 46
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 floppy permission flag to the operations class
- C. Add the system permission flag to the operation class
- D. Add the interface-control permission flag to the operation class
Answer: A
Explanation:
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
NEW QUESTION # 47
Exhibit
Referring to the exhibit, which type of NAT is being performed?
- A. Destination NAT
- B. Source NAT
- C. Static NAT
- D. Persistent NAT
Answer: B
NEW QUESTION # 48
You are trying to configure an IPsec tunnel between SRX Series devices in the corporate office and branch1. You have committed the configuration shown in the exhibit, but the IPsec tunnel is not establishing.
In this scenario, what would solve this problem?
- A. Change the local identity to inet advpn on the branch1 device.
- B. Change the IKE mode to aggressive on the branch1 and corporate devices.
- C. Change the IKE proposal-set to compatible on the branch1 and corporate devices.
- D. Add multipoint to the st0.0 interface configuration on the branch1 device.
Answer: A
NEW QUESTION # 49
Exhibit
You have recently configured Adaptive Threat Profiling and notice 20 IP address entries in the monitoring section of the Juniper ATP Cloud portal that do not match the number of entries locally on the SRX Series device, as shown in the exhibit.
What is the correct action to solve this problem on the SRX device?
- A. Flush the DNS cache on the SRX device.
- B. You must configure the DAE in a security policy on the SRX device.
- C. Refresh the feed in ATP Cloud.
- D. Force a manual download of the Proxy__Nodes feed.
Answer: A
NEW QUESTION # 50
Exhibit
You are validating bidirectional traffic flows through your IPsec tunnel. The 4546 session represents traffic being sourced from the remote end of the IPsec tunnel. The 4547 session represents traffic that is sourced from the local network destined to the remote network.
Which statement is correct regarding the output shown in the exhibit?
- A. The session information indicates that the IPsec tunnel has not been established
- B. The remote gateway address for the IPsec tunnel is 10.20.20.2
- C. NAT is being used to change the source address of outgoing packets
- D. The local gateway address for the IPsec tunnel is 10.20.20.2
Answer: B
NEW QUESTION # 51
Exhibit.
A hub member of an ADVPN is not functioning correctly.
Referring the exhibit, which action should you take to solve the problem?
- A. [edit interfaces]
user@hub-1# delete ipsec vpn advpn-vpn traffic-selector - B. [edit security]
user@hub-1# set ike gateway advpn-gateway advpn suggester disable - C. [edit interfaces]
root@vSRX-1# delete st0.0 multipoint - D. [edit security]
user@hub-1# delete ike gateway advpn-gateway advpn partner
Answer: A
NEW QUESTION # 52
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