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CheckPoint 156-215.81 Exam - Topic 6 Question 52 Discussion

What are valid authentication methods for mutual authenticating the VPN gateways?
A) Pre-shared Secret and PKI Certificates
B) PKI Certificates and Kerberos Tickets
C) Pre-Shared Secrets and Kerberos Ticket
D) PKI Certificates and DynamiciD OTP

CheckPoint 156-215.81 Exam - Topic 6 Question 52 Discussion

Actual exam question for CheckPoint's 156-215.81 exam
Question #: 52
Topic #: 6
[All 156-215.81 Questions]

What are valid authentication methods for mutual authenticating the VPN gateways?

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Suggested Answer: A

This answer is correct because these are two valid methods for mutually authenticating the VPN gateways, which means that both sides of the communication verify each other's identity using a shared secret or a public key certificate1.A pre-shared secret is a password or a passphrase that both gateways know and use to encrypt and decrypt the VPN traffic2.A PKI certificate is a digital document that contains the public key and other information that helps identify the gateway, such as the issuer, the subject, and the expiration date3.The certificate is signed by a trusted certificate authority (CA) that vouches for the authenticity of the gateway3.

The other answers are not correct because they either include invalid or irrelevant methods for mutual authentication.PKI certificates and Kerberos tickets are not compatible methods for mutual authentication, because Kerberos tickets are issued by a Kerberos server and not by a CA4.Pre-shared secrets and Kerberos tickets are also not compatible methods for mutual authentication, because they use different protocols and encryption algorithms4.PKI certificates and DynamiciD OTP are not valid methods for mutual authentication, because DynamiciD OTP is a one-time password that is used for user authentication, not for gateway authentication5.

What is mutual authentication? | Two-way authentication

Mutual authentication - AWS Client VPN

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Mutual Authentication | Top 3 Methods of Mutual Authentication

Authentication methods and features - Microsoft Entra


by Fannie at Sep 18, 2024, 10:46 AM

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Beata
8 months ago
Wait, can you really use PKI and Kerberos together? Sounds odd!
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Jani
8 months ago
D? Really? Dynamic OTPs for VPN gateways?
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Cammy
8 months ago
C seems a bit outdated, not sure about that one.
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Jesse
8 months ago
I think B is also a solid choice!
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Tarra
9 months ago
A is definitely valid for mutual authentication.
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Felicitas
9 months ago
I'm a bit confused about dynamic OTPs; I don't think they are typically used for mutual authentication in VPNs, right?
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Ashlyn
9 months ago
I practiced a question similar to this, and I believe PKI certificates and pre-shared secrets are the most reliable methods for VPN gateways.
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Eleonore
9 months ago
I think pre-shared secrets are definitely valid, but I can't recall if they can be used with Kerberos tickets for mutual authentication.
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Twana
9 months ago
I remember studying that PKI certificates are commonly used for VPN authentication, but I'm not sure about the combination with Kerberos tickets.
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Rueben
9 months ago
Ah, I remember learning about these VPN authentication methods. I think the best approach is to carefully consider the pros and cons of each option before selecting the most appropriate one.
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Portia
9 months ago
Okay, let's see. I know PKI certificates and pre-shared secrets are common VPN authentication methods, but I'm not sure about the other options. I'll have to review my notes.
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Pansy
9 months ago
Hmm, I'm not entirely sure about the different authentication options for VPN gateways. I'll need to think this through carefully.
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Jesusita
9 months ago
This looks like a straightforward question on VPN authentication methods. I'm pretty confident I can handle this one.
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Corazon
10 months ago
This looks like a pretty straightforward configuration question. I think I can handle this one.
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Olene
2 years ago
PKI Certificates and DynamiciD OTP? Now that's a combo that would make even the most tech-savvy criminals break a sweat.
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Shoshana
2 years ago
C) Pre-Shared Secrets and Kerberos Ticket
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Valentine
2 years ago
B) PKI Certificates and Kerberos Tickets
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Ty
2 years ago
A) Pre-shared Secret and PKI Certificates
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Dong
2 years ago
I'm not sure, but I think option D) PKI Certificates and DynamiciD OTP could also be a valid authentication method for mutual authenticating VPN gateways.
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Melvin
2 years ago
I agree with Margot, using both Pre-shared Secret and PKI Certificates provides a strong authentication for VPN gateways.
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Leoma
2 years ago
Pre-Shared Secrets? Sounds like something straight out of a spy movie. I'm digging it!
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Jesusita
2 years ago
Pre-Shared Secrets can definitely make you feel like a spy!
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Louvenia
2 years ago
C) Pre-Shared Secrets and Kerberos Ticket
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Alecia
2 years ago
A) Pre-shared Secret and PKI Certificates
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Margot
2 years ago
I think the valid authentication methods are A) Pre-shared Secret and PKI Certificates.
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Alba
2 years ago
Ooh, Kerberos Tickets? That's like the James Bond of authentication methods!
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Bethanie
2 years ago
D) PKI Certificates and DynamiciD OTP
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Emmanuel
2 years ago
C) Pre-Shared Secrets and Kerberos Ticket
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Eveline
2 years ago
B) PKI Certificates and Kerberos Tickets
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Jolene
2 years ago
A) Pre-shared Secret and PKI Certificates
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Viola
2 years ago
A) Pre-shared Secret and PKI Certificates are the way to go! Keeps those pesky hackers at bay.
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Nada
2 years ago
B) PKI Certificates and DynamiciD OTP could also work, but I prefer the first option.
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Keneth
2 years ago
A) Pre-shared Secret and PKI Certificates are the best options for mutual authentication.
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