Sara, a security administrator, manually hashes all network device configuration files daily and compares
them to the previous days’ hashes. Which of the following security concepts is Sara using?

Matt, a forensic analyst, wants to obtain the digital fingerprint for a given message. The message is 160-
bits long. Which of the following hashing methods would Matt have to use to obtain this digital
fingerprint?

Company A submitted a bid on a contract to do work for Company B via email. Company B was insistent
that the bid did not come from Company A. Which of the following would have assured that the bid was
submitted by Company A?

An email client says a digital signature is invalid and the sender cannot be verified. The recipient is
concerned with which of the following concepts?

A software firm posts patches and updates to a publicly accessible FTP site. The software firm also posts
digitally signed checksums of all patches and updates. The firm does this to address:

It is important to staff who use email messaging to provide PII to others on a regular basis to have
confidence that their messages are not intercepted or altered during transmission. They are concerned
about which of the following types of security control?

Matt, a security administrator, wants to ensure that the message he is sending does not get intercepted
or modified in transit. This concern relates to which of the following concepts?

Which of the following is used by the recipient of a digitally signed email to verify the identity of the
sender?

Digital signatures are used for ensuring which of the following items? (Select TWO).

Joe, a user, wants to send an encrypted email to Ann. Which of the following will Ann need to use to
verify that the email came from Joe and decrypt it? (Select TWO).