101 · Question #656
A certificate chain can be used for which purpose?
The correct answer is D. Determining a client or server should be trusted. A certificate chain establishes a verifiable path from an end-entity certificate through intermediate CAs to a trusted root CA, allowing a relying party to determine whether a client or server should be trusted.
Question
A certificate chain can be used for which purpose?
Options
- ACreating anonymous connections on the internet
- Banchoring the geographic location of a client or server
- CEnsuring multiple layers of decryption and encryption
- DDetermining a client or server should be trusted
How the community answered
(34 responses)- B6% (2)
- C3% (1)
- D91% (31)
Why each option
A certificate chain establishes a verifiable path from an end-entity certificate through intermediate CAs to a trusted root CA, allowing a relying party to determine whether a client or server should be trusted.
Certificate chains bind public keys to verified identities, which is the opposite of anonymity - they establish and confirm the identity of a client or server.
Certificate chains contain cryptographic identity information but no data about geographic location - IP geolocation services or other mechanisms serve that purpose.
Encryption and decryption are performed using the public and private keys referenced in a certificate - the chain structure itself is a trust validation mechanism, not a multi-layer encryption scheme.
A certificate chain links a presented certificate to a trusted root Certificate Authority through one or more intermediate CAs by verifying each certificate's digital signature along the path. By walking this chain of trust, a client or server can confirm that the entity presenting the certificate was issued credentials by a trusted authority. This trust establishment is the core purpose of PKI and certificate chains.
Concept tested: Certificate chain of trust and PKI identity validation
Source: https://learn.microsoft.com/en-us/windows/win32/seccrypto/certificate-chains
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