Maria works as a Network Security Officer for Gentech Inc. She wants to encrypt her network
traffic. The specific requirement for the encryption algorithm is that it must be a symmetric key
block cipher. Which of the following techniques will she use to fulfill this requirement?

Which of the following protocols uses public-key cryptography to authenticate the remote
computer?

Which of the following cryptographic system services ensures that information will not be disclosed
to any unauthorized person on a local network?

Which of the following are the examples of technical controls? Each correct answer represents a
complete solution. Choose three.

Which of the following tenets does the CIA triad provide for which security practices are
measured? Each correct answer represents a part of the solution. Choose all that apply.

Which of the following types of attacks cannot be prevented by technical measures only?

Which of the following attacks can be overcome by applying cryptography?

Which of the following authentication methods prevents unauthorized execution of code on remote
systems?

The simplest form of a firewall is a packet filtering firewall. Typically a router works as a packetfiltering firewall and has the capability to filter on some of the contents of packets. On which of the
following layers of the OSI reference model do these routers filter information? Each correct
answer represents a complete solution. Choose all that apply.

Andrew works as a Network Administrator for Infonet Inc. The company’s network has a Web
server that hosts the company’s Web site. Andrew wants to increase the security of the Web site
by implementing Secure Sockets Layer (SSL). Which of the following types of encryption does
SSL use? Each correct answer represents a complete solution. Choose two.