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I am share with Checkpoint Firewall Interview Question and Answer. Answer. These question generally generally ask in interv interv iew. its also my personal experience. Checkpoint Checkpoint F irewall is award winner security firewall. firewall. Ever y Corporate Corporate organization organization used Checkpoint Checkpoint firewall for Inter nal Network security purpose. Security engineer must have to aware about Checkpoint firewall for growth in their career. I am sure that below Checkpoint Firewall Interview Que stion and Answer will Answer will help in Interview.
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Read Also Checkpoint Firewall Self Practice Question and Answer. Answer . Windows Wi ndows Syst Syst em Administrator Administrator Interv iew Question Question and Answer. Answer. Computer Com puter Networking Interv iew Question and Answer. Desktop Support Support Engi Engineer neer I nterview Question and and Answer. 1. What
is Anti-Spoofing. Anti-Spoofing.
Ans- Anti-Spoofin Anti-Spoofing g is the featur e of Checkpoint Checkpoint Firewall. Firewall. which is is protect fr om attacker w ho generate IP Packet with Fake or Spoof Spoof source address. Its determine that whether traffic is legitimate or not. If traffic is not legitimate then firewall block that traffic on interface of firewall. 2. W hat hat i s Asymmetric Asymmetric Encryption. Ans – In – In Asymmetric Encryption there is two different key used for encrypt and decrypt to packet. Means that one key used for Encrypt packet, and second key used to for decrypt packet. Same key can not encrypt and decrypt. 3. What is Stealth Rule in checkpoint firewall. Ans – – Stealth Rule Protect Checkpoint firewall from direct access any traffic. Its rule should be place on the top of Security rule base. In this rule administrator denied all traffic to access checkpoint firewall. 4. What is Cleanup rule In Checkpoint Firewall. Ans – Cleanup – Cleanup rule place at last of the security rule base, Its used to drop all traffic which not match with above rule and Logged. Cleanup rule mainly created for log purpose. In this rule administrator denied all the traffic and enable log. 5. What is NAT. Ans- NAT NAT stand stand for Network Address Translation. Its used to map private IP address with Public IP Address and Public IP address map with Private IP Address. Mainly its used for Provide Security to the Internal Network and Servers from Internet. NAT is also used to connect Internet with Private IP Address. Because Private I P not route able on Internet. 6. What is Source NAT. Ans- Source NAT used to initiate initiate t raffic from internal internal network t o ext ernal network. In source NAT only only source IP will will translated in public public IP address. 7. What is VPN (Virtual Private Network). Ans – VPN (Virtual Private Network) is used to create secure connection between two private network over Internet. Its used Encryption authentication authentication to secure data during tr ansmissio ansmission. n. There are t wo ty pe of VPN Site to Site VPN. Remote Access VPN. 8. What is IP Sec. Ans – IP – IP Sec (IP Security) is a set of protocol. which is responsible for make secure communication between two host machine, or network over public
provide security 1. ESP (Encapsulation Security Payload) and 2. AH (Authentication Header). 9. What is Difference between ESP and AH IPSec Protocol. AnsESP – ESP Protocol is a part of IPsec suit , Its provide Confidentiality, Integrity and Authenticity. Its used in two mode Transport mode and Tunnel mode. AH – It s is also part of a IPsec suit, It s provide only Authentication and Integrity , Its does not prov ide Encry ption. Its also used to two mode Transport mode and Tunnel mode. 10. What is Explicit rule In Checkpoint Firewall. Ans – It s a rule in ruse base which is manually created by network security administrator that called Explicit rule.
Checkpoint Firewall Intervie w Question and Answer
11. What is Hide NAT. Ans – Hide NAT used to translate multiple private IP or Network with single public IP address. Means many to one translation. Its can only be used in source NAT translation. Hide NAT can not be used in Destination NAT. 12. What is Destination NAT. Ans – When request to translate Destination IP address for connect with Inter nal Private network from Public IP address. Only static NAT can be used in Destination NAT. 13. Difference between Automatic NAT and Manual NAT. Ans Automatic NAT
Manual NAT
Automatic created by Firewall
Manually Created by Network Security Administrator
Can not modify
Can be Modify
Can not create “No NAT” rule
Can be Create “No NAT” rule
Can not create Dual NAT
Can be Create Dual NAT
Port forwarding not possible
Port forwarding possible
Proxy ARP by default enabled
Proxy ARP by default not enable
14. What is SAM Database. Ans15. What is difference between standal one deployment distributed deployment. Standalone deployment – I n standalone deployment, Security Gat eway and Security management serv er installed on same Machine. Distributed deployment – I n Distributed deployment, Security Gateway and Security Management Serv er installed on different machine. 16. What is SIC.
SIC – SIC stand for “Secure Internal Communication”. Its a checkpoint firewall feature that is used to make secure communication between Checkpoint firewall component. Its used when Security Gateway and Security management server installed in Distributed deployment. Its Authentication and Encryption for secure communication. 17. What is 3 trier architecture component of Checkpoint Firewall. Smart Console. Security Management. Security Gateway.
18. What is t he Packet Flow of Checkpoint firewall. i.
SAM Database.
ii. Address Spoofing. iii. Session Lookup. iv. Policy v.
Lookup.
Destination NAT.
vi. Route
Lookup.
vii. Source NAT. iii. Layer 7 Inspection. ix. VPN. x.
Routing.
19. What Advantage of NAT. Save Public IP to save cost. Security with hide Internal Network. Avoid Routing. Publish Server over Internet. Overlapping Network. Access Internet from Private IP address. 20. What is Smart Dashboard. Ans– Its tool of smart console. Its used to Configure Rule, Policy object, Create NAT Policy, Configure VPN and Cluster.
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Rakesh Kumar
Rakesh Kumar is a Network engineer and a Blogger. He is crazy for learn and write about Technology , Tech and Computer Tips and Tricks Blog.
