After installing a Linux server and activating SSH on it, you try to authenticate, but are rejected
due to an “authentication failure.” You have properly transferred host and public keys, and all of
your servers use the same flavor of SSH (Open SSH). What is a likely cause for your failure to

connect to this newly configured server?

Which type of attack occurs when a hacker obtains passwords and other information from
legitimate transactions?

Raul is worried that his network might be attacked through modified ICMP messages. What can he
do to prevent this?

When using Microsoft Internet Information Server (IIS) on Windows NT/2000, what has primary
control over security?

Lucy is a systems administrator who wants to block all NNTP traffic between her network and the
Internet. How should she configure her firewall?

Your company allows end-user employees to work from home. Aside from antivirus protection and
login through a secure VPN, which tool can help your work-at-home employees to protect their
systems at home?

Andreas visited an e-commerce site and bought a new mouse pad with his credit card for $5.00
plus shipping and handling. He never received the mouse pad so he called his credit card
company to cancel the transaction. He was not charged for the mouse pad, but he was charged
for several other items he did not purchase. He tried to revisit the same e-commerce site but could
not find it. Which type of hacking attack occurred?

Which type of port is used by a network client when it establishes a TCP connection?

You are using a packet sniffer to capture transmissions between two remote systems. However,
you find that you can only capture packets between your own system and another. What is the
problem?

Which of the following best describes the problem with share permissions and share points in
Windows NT/2000?