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2021 Sep JN0-633 testing engine
Q51. You are asked to implement IPsec tunnels between your SRX devices located at various locations. You will use the public key infrastructure (PKI) to verify the identification of the endpoints.What are two certificate enrollment options available for this deployment? (Choose two.)
A. Manually generating a PKCS10 request and submitting it to an authorized CA.
B. Dynamically generating and sending a certificate request to an authorized CA using OCSP.
C. Manually generating a CRL request and submitting that request to an authorized CA.
D. Dynamically generating and sending a certificate request to an authorized CA using SCEP.
Answer: A,D
Explanation: Reference:Page 9
http://www.juniper.net/techpubs/en_US/junos/information-products/topic-collections/nce/pki-conf-trouble/configuring-and-troubleshooting-public-key- infrastructure.pdf
Q52. Click the Exhibit button.
-- Exhibit --
[edit forwarding-options] user@srx240# show packet-capture {
file filename my-packet-capture; maximum-capture-size 1500;
}
-- Exhibit --
Referring to the exhibit, you are attempting to perform a packet capture on an SRX240 to troubleshoot an SSH issue in your network. However, no information appears in the packet capture file.
Which firewall filter must you apply to the necessary interface to collect data for the packet
capture?
A. user@srx240# show filter pkt-capture {
term pkt-capture-term { from {
protocol tcp; port ssh;
}
then packet-mode;
}
term allow-all { then accept;
}
}
[edit firewall family inet]
B. user@srx240# show filter pkt-capture {
term pkt-capture-term { from {
protocol tcp; port ssh;
}
then {
count packet-capture;
}
}
term allow-all { then accept;
}
}
[edit firewall family inet]
C. user@srx240# show filter pkt-capture {
term pkt-capture-term { from {
protocol tcp; port ssh;
}
then {
routing-instance packet-capture;
}
}
term allow-all { then accept;
}
}
[edit firewall family inet]
D. user@srx240# show filter pkt-capture {
term pkt-capture-term { from {
protocol tcp; port ssh;
}
then { sample; accept;
}
}
term allow-all { then accept;
}
}
[edit firewall family inet]
Answer: D
Q53. Click the Exhibit button.
root@host# show system login user user {
uid 2000; class operator;
authentication {
encrypted-password "$1$4s7ePrk5$9S.MZTwmXTV7sovJZFFsw1"; ## SECRET-DATA
]
}
An SRX Series device has been configured for multiple certificate-based VPNs. The IPsec security association used for data replication is currently down . The administrator is a contractor and has the permissions on the SPX Series device as shown in the exhibit
Which command set would allow the administrator to troubleshoot the cause for the VPN being down?
A. set security ipsec traceoptions file ipsec
set security ipsec traceoptions flag security-associations
B. set security ike traceoptions file ike set security ike traceoptions flag ike
C. request security pki verify-integrity-status
D. request security ike debug-enable local <ip of the local gateway> remote <ip of the remote gateway›
Answer: C
Q54. In which situation is NAT proxy NDP required?
A. when translated addresses belong to the same subnet as the ingress interface
B. when filter-based forwarding and static NAT are used on the same interface
C. when working with static NAT scenarios
D. when the security device operates in transparent mode
Answer: C
Explanation:
WhenIP addressesarein the same subnet of the ingressinterface,NAT proxy ARPconfigured
Reference :http://www.juniper.net/techpubs/en_US/junos12.1x44/information- products/pathway-pages/security/security-nat.pdf
Reference :http://www.juniper.net/techpubs/en_US/junos-space12.2/topics/concept/junos- space-security-designer-whiteboard-nat-overview.html
Q55. You are asked to design a solution to verify IPsec peer reachability with data path forwarding.
Which feature would meet the design requirements?
A. DPD over Phase 1 SA
B. DPD over Phase 2 SA
C. VPN monitoring over Phase 1 SA
D. VPN monitoring over Phase 2 SA
Answer: D
Explanation:
Reference :http://forums.juniper.net/t5/SRX-Services-Gateway/dead-peer-detection-VS-VPN-monitor-in-IPSEC/td-p/176671
Renewal JN0-633 test questions:
Q56. What is a benefit of using a dynamic VPN?
A. It provides a layer of redundancy on top of a point-to-point VPN mesh architecture.
B. It eliminates the need for point-to-point VPN tunnels.
C. It provides a way to grant VPN access on a per-user-group basis.
D. It simplifies IPsec access for remote clients.
Answer: D
Explanation: Reference:http://tutarticle.com/networking/benefits-of-dynamic-multipoint-vpn-dmvpn/
Q57. You are asked to deploy dynamic VPNs between the corporate office and remote employees that work from home. The gateway device at the corporate office consists of a pair of SRX650s in a chassis cluster.Which two statements about the deployment are true? (Choose two.)
A. The SRX650s must be separated as standalone devices to support the dynamic VPNs.
B. The remote clients must install client software to establish a tunnel with the corporate network.
C. The remote clients must reside behind an SRX device configured as the local tunnel endpoint.
D. The SRX650 must have HTTP or HTTPS enabled to aid in the client software distribution process.
Answer: B,D
Explanation:
Reference :http://www.juniper.net/us/en/local/pdf/app-notes/3500201-en.pdf
Q58. Click the Exhibit button.
-- Exhibit–
-- Exhibit --
Referring to the exhibit, the session close log was generated by the application firewall rule set HTTP.
Why did the session close?
A. The application identification engine was unable to determine which application was in use, which caused the SRX device to close the session.
B. The host with the IP address of 192.168.1.123 received a TCP segment with the FIN flag set from the host with the IP address of 65.197.244.218.
C. The SRX device was unable to determine the user and role in the allotted time, which caused the session to close.
D. The host with the IP address of 192.168.1.123 sent a TCP segment with the FIN flag set to the host with the IP address of 65.197.244.218.
Answer: D
Explanation:
Reference:http://netscreen.com/techpubs/software/junos/junos92/syslog- messages/download/rt.pdf
Q59. 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 IP-Block action.
B. Use the Drop Packet action.
C. Use the Drop Connection action.
D. Use the IP-Close action.
Answer: D
Q60. Which three match condition objects are required when creating IPS rules? (Choose three.)
A. attack objects
B. address objects
C. terminal objects
D. IP action objects
E. zone objects
Answer: A,B,E
Explanation: Reference: http://www.juniper.net/techpubs/software/junos-security/junos-security10.2/junos-security-swconfig-security/topic-42453.html#understand-rule-match- cond-section