https://ipwithease.com/vpn-top-100-interview-questions/
- What is VPN?
- What Security Vulnerabilities Are Addressed By VPN?
- What is Authentication, Confidentiality & Integrity?
- Can You List Some Items For Influenza A virus subtype H5N1 VPN Checklist From Deciding Whether To Use, Then Selecting, Then Deploying, thence Maintaining VPN?
- What is Symmetric too Asymmetric Encryption?
- Which UDP ports should last opened upward on a firewall to permit traffic from a L2TP/IPSEC based VPN clients to a PPTP VPN server on the inside?
- What is IPsec VPN?
- Is VPN Influenza A virus subtype H5N1 Long-term Solution Or Influenza A virus subtype H5N1 Short-term Stop Gap Kind Of Thing?
- At what layer IPsec works?
- What is advert of cisco VPN Client installed on halt devices?
- What Are Unreasonable Expectations For VPN?
- Does Cisco 4000 Series Router IOS back upward SSL VPN?
- Name a major drawback of IPSec?
- What is divergence betwixt GETVPN too FlexVPN?
- What is the divergence betwixt Transport too Tunnel mode?
- What are the 3 primary safety services that IPSec VPN provides?
- Define Digital Signatures?
- What Are Reasonable Expectations For Influenza A virus subtype H5N1 VPN?
- What is Authorization?
- Is There Market Penetration For These Products?
- What Firewall Issues Are Relevant To VPN Selection And Deployment?
- What is Site to Site too Remote Access VPN?
- What are the 3 protocols used inwards IPSec?
- Explain IPsec Protocol Headers?
- How ESP & AH provides anti-replay protection?
- What is IKE?
- What Kind Of Resources (staff, Computational Muscle, Bandwidth, etc) Are Required for VPN Deployment, Usage, Maintenance?
- At what protocol does IKE works?
- Explain how IKE/ISAKMP Works?
- Explain the messages central betwixt the peers inwards IKE/ISAKMP?
- What Is The Relationship Between VPN And Firewalls?
- What is Diffie-Hellman?
- How Diffie-Hellman works?
- What are Security Associations?
- What is Transform set?
- What are Crypto access lists?
- Are There Applications or Environments inwards Which VPNs Would Really Be Detrimental?
- In a SSL VPN architecture, where are the session keys stored.
- What are Crypto map?
- What is SSL/TLS?
- What is Split Tunneling? Why is it required?
- How create you lot cheque the condition of the tunnel's stage 1 & 2?
- What is IPsec Virtual Tunnel Interface?
- What is L2F?
- Are VPNs Used For Specific Kinds Of Applications Or Environments? If So, What Are Some Examples Of Where And Why VPNs Would Be Deployed?
- What are the primary components of VPN?
- What is CBC ?
- What is the divergence betwixt Static Crypto Maps too Dynamic Crypto Maps?
- What is Cisco Easy VPN?
- What are the 3 cardinal methods to Control the access of VPN users too allowing access to selective resources?
- What are the 2 IKE methods used yesteryear the IPsec protocol for secure tunnel negotiation?
- What is the pregnant of DAP wrt VPN ?
- What are the 2 IKE methods used yesteryear the IPsec protocol for secure tunnel negotiation?
- What is DMVPN?
- What Crypto Issues Are Relevant In The VPN Context?
- What is GRE inwards PPTP?
- How does PPTP encapsulate data?
- Can you lot explicate CHAP?
- Can you lot explicate PAP?
- what does PPTP exercise for encryption too authentication?
- What are the 3 phases of DMVPN?
- Explain Next Hop Resolution Protocol (NHRP)?
- What is GRE?
- Name a major drawback of both GRE & L2TP?
- Who Are The Major Players In The Market?
- What is SSL VPN?
- How is SSL VPN dissimilar from IPsec VPN?
- What are the dissimilar types of VPN?
- At which Layer does SSL VPN operates?
- By default, how many message pairs are exchanged inwards a typical IKEv2 connection?
- What are dissimilar SSL VPN Modes?
- What Are Some Of The Tough Questions To Pose To VPN Product Vendors?
- Which method enables you lot to preclude user spider web traffic from traveling through the VPN tunnel?
- Explain SSL Handshake?
- what is the concept of HA too FA inwards VPN tunneling?
- What is a connexion profile?What details require to last entered which creating a connexion profile?
- What is significance of "priority" keyword inwards next ascendency – "crypto dynamic-map name priority set ikev2 ipsec-proposal proposals"
- What Kind Of Performance Issues Does VPN Raise?
- What Security Vulnerabilities Are Unique To Or Heightened By VPN?
- What are the available VPN Client IP Address Allocation methods is ASA?
- An AnyConnect customer uses which protocol through a VPN tunnel for automatic Certificate retrieval?
- Which ports on firewall should last allowed for IPSEC Site to Site VPN?
- Which ACL type is used alongside split-tunneling configuration?
- What are 3 major components of Easy VPN?
- During which stage does peer authentication occur?
- What is divergence betwixt IKEv1 too IKEv2?
- A user is complaining of existence unable to opened upward external or internal URLs straight or from the bookmark list. What could last the problem?
- In a Cisco Remote-Access VPN Client , which files tally connexion entry information?
- What is the default MTU size develop during installation of IPsec VPN Client on windows PC?
- What is divergence betwixt MPLS too VPN?
- What is divergence betwixt VPN too proxy?
- Does Cisco ASA back upward VPN is Multi-context mode? If yes, thence which Release onwards is the characteristic supported?
- There is requirement to setup a VPN box inwards Data Center alongside dissimilar safety Zones. Which Security Zone should the Internet/Public facing VPN box last connected to last reachable for Internet based users?
- What is NAT Traversal? What is the role of using NAT-T?
- Which IP protocol does AH too ESP headers exercise inwards IPSEC ?
- Which type of VPN would you lot exercise if information has to last encrypted at the network layer?
- What create nosotros hateful yesteryear VPN hairpinning?
- What output afterward issuing "show crypto isakmp sa" ascendency shows field equally "MM_KEY_EXCH", is this ideal field of VPN?
- Which ascendency is used to stance the IKE Phase 1 management connections?
- Which ports on firewall should last allowed for IPSEC Site to Site VPN?
