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WorksheetsChapter 21.4 Cryptography
Total questions: 15
Worksheet time: 8mins
What is the primary purpose of an SSL certificate?
To confirm the identity of a website domain
To encrypt all data on a website
To increase website loading speed
To provide free hosting services
What is the role of a Certificate Authority (CA)?
To host websites
To create digital certificates
To design website layouts
To manage email servers
What is the role of trusted third parties in SSL certification?
To provide services similar to governmental licensing bureaus
To host websites for free
To design website graphics
To manage social media accounts
What is saved locally by the web browser when using SSL?
The certificate
The website's HTML code
The website's CSS files
The website's images
What is the main component of PKI?
Specifications, systems, and tools
Social media platforms
Online shopping carts
Video streaming services
Which of the following vendors provide CA servers as a managed service?
Microsoft
Symantec Group (VeriSign)
Apple
IBM
Which class of certificate is used for servers and software signing?
Class 1
Class 2
Class 3
Class 4
What can an enterprise use PKI for internally?
To develop software
To authenticate employees
To manage finances
To design websites
Which of the following is NOT a vendor mentioned for CA servers?
Comodo
Go Daddy Group
DigiCert
Amazon
What is a cross-certified CA topology?
A hierarchical model with a single root CA
A peer-to-peer model where CAs establish trust by cross-certifying certificates
A model where CAs do not interact with each other
A model that only supports a single CA
What is the highest-level CA in a hierarchical CA topology called?
Subordinate CA
Intermediate CA
Root CA
Leaf CA
What protocols are used to query a directory service to verify a username and password?
HTTP and HTTPS
LDAP and X.500
FTP and SFTP
SMTP and IMAP
What does the X.509 version 3 standard define?
The format of a digital certificate
The process of issuing a certificate
The encryption method for certificates
The hierarchy of CAs
What is the role of the CA public key in the PKI?
It encrypts all data
It verifies all certificates issued by the CA
It issues new certificates
It manages the CA hierarchy
What is the main advantage of using OCSP over CRL?
Immediate revocation information
Lower cost
Higher security
Easier setup
