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WorksheetsSSL INTERNET SECURITY
Total questions: 15
Worksheet time: 8mins
A website has a digital certificate issued by a Certificate Authority (CA). The session key generated for the SSL session between a browser and the server hosting the website is encrypted using ___________ .
A) The CA’s public key.
B) The CA’s private key.
C) The public key that comes with the digital
certificate.
D) The CA’s public key.
Which of the following is not contained in a digital certificate?
A) Public key.
B) Session key.
C) Validity period.
D) Hash algorithm.
In verifying that a digital certificate is from a Certificate Authority (CA), which of the following information is being compared?
A) CA’s public key.
B) CA’s private key.
C) Message digest of the digital certificate.
D) Public key on the digital certificate.
What does SSL stand for?
Secure Socket Layer
Special Security License
Secure Space Layer
Straight Socket Loop
In asymmetric encryption process. Each communicating party starts with how many keys?
5
4
3
2
Where are the public keys of communicating parties kept?
Privately
Exchanged prior to data exchanged
Certificate authority
In a written note that is send via email
If Bob wants to send a encrypted message to Alice, which key does he use?
Bob private key
Bob public key
Alice public key
Alice private key
If Bob receives Alice’s public key from a public directory, how does he know the key really came from Alice?
From acknowledgement from Alice
From a trusted certificate authority
From your browser database
From Alice server
A certificate authority (CA) is a trusted authority that certifies who is the owner of the public key (individual or organization) by issuing something called digital certificates.
True
False
•A certificate authority (CA) is a trusted authority that certifies who is the owner of the public key (individual or organization) by issuing something called digital certificates.
False
True
The CA digitally signs each certificate using its private key.
True
False
Public Key Infrastructure (PKI) components are Digital Certificate and Certificate Authority
False, it has more components
True
•Hyper Text Transfer Protocol Secure (HTTPS) is the secure version of HTTP.
True
False
Who really checks the validity of a Digital certificate?
The user
The Browser
The server
The web application
Jack wants to send an encrypted message to Jill using asymmetric cryptography.
Which of the following is TRUE on the problem Jack may face?
A) Jill’s private key may not belong to Jill.
B) Jill’s public key may not belong to Jill.
C) Jack’s public key may not belong to Jack.
D) Jack’s private key may not belong to Jack.
