A digital signature or digital signature scheme is a type of asymmetric cryptography. For
messages sent through an insecure channel, a properly implemented digital signature gives the
receiver reason to believe the message was sent by the claimed sender. While using a digital
signature, the message digest is encrypted with which key?

Which access control system allows the owner of a resource to establish access permissions to
that resource?

A public key _____________ is a pervasive system whose services are implemented and
delivered using public key technologies that include Certificate Authority (CA), digital certificates,
non-repudiation, and key history management.

Which key is generally applied FIRST to a message digest to provide non-repudiation by use of
asymmetric cryptography?

Encryption is the conversion of data into a form, called a ciphertext, that cannot be easily
understood by unauthorized people. Which of the following is considered the weakest encryption?

For the following items, which one is a collection of server’s setup to attract hackers?

An administrator wants to make sure that no equipment is damaged when encountering a fire or
false alarm in the server room. Which type of fire suppression system should be used?

Which of the following statements regarding access control models is FALSE?

Which of the following statements regarding the MAC access control models is TRUE?

You are a network technician of your company. You have just detected an intrusion on your
company’s network from the Internet. What should be checked FIRST?