VPN Mock Interview
Master 30 VPN interview questions covering protocols, security architecture, and troubleshooting.
Question 16 of 30
Can you describe how ISAKMP and IKE protocols work?
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William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
As the interview progresses, the technical questions you will be asked will become more difficult and more specific to the company's operations with whom you are interviewing. One way you can prepare for this is to research the company's operations and try to learn as much as you can about the technology they employ, their processes, and some of the products they have incorporated into their IT strategy. Being familiar with this will help you formulate your answers during the interview. Practicing these questions will also assist you in being better prepared.
William Swansen has worked in the employment assistance realm since 2007. He is an author, job search strategist, and career advisor who helps individuals worldwide and in various professions to find their ideal careers.
"ISAKMP defines the procedures used in a VPN. These include authenticating a peer attempting to communicate, creating and managing Security Associations (SA), key generation techniques, and mitigating denial of service and replay attacks. As a framework, ISAKMP typically utilizes IKE for key exchange. IKE is a two-phase protocol that generates a session key, protects the communication using algorithms, authenticates peers, and negotiates the second phase of the communication. In Phase 2, IKE establishes the SA. The three modes used by IKE include Main and Aggressive for Phase 1 and Quick for Phase 2. When Phase 2 negotiations are concluded, two unidirectional IPsec SAs are established, one for sending and one for receiving encrypted data."
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