Questions and CORRECT Answers
Your company hosts several public Web sites on its Web server. Some of the sites implement the
secure sockets layer (SSL) protocol. Which statement is not true of this protocol? - CORRECT
ANSWER - SSL operates at the Network layer of the OSI model
You are the security administrator for an organization. Management decides that all
communication on the network should be encrypted using the data encryption standard (DES)
algorithm. Which statement is true of this algorithm? - CORRECT ANSWER - A Triple
DES (3DES) algorithm uses 48 rounds of computation
In PKI, what is the entity that signs a certificate? - CORRECT ANSWER - An issuer
A new security policy implemented by your organization states that all official e-mail messages
must be signed with digital signatures. Which elements are provided when these are used?
(Choose all that apply) - CORRECT ANSWER - Integrity\n\nAuthentication\n\nNon-
repudiation
What type of encryption algorithm does Diffie-Hellman represent? - CORRECT
ANSWER - Asymmetric with authentication
What is an algorithm that is used to create a message digest for a file? - CORRECT
ANSWER - Hash
Your organization has several virtual LANs (VLANs) implemented. Management is concerned
about the security of the VLANs. Management has requested that you implement Spanning Tree
Protocol (STP) on all VLANs. Which type of attack will this protect against? - CORRECT
ANSWER - Network loop attacks
Which of the following statements regarding cloud computing and grid computing are true?
(Choose all that apply) - CORRECT ANSWER - Both cloud computing and grid
, computing are scalable\n\nCloud computing may be more environmentally friendly than grid
computing\n\nCloud computing is made up of thin clients, grid computing, and utility computing
The LAN in your organization uses a SAN to store data. You have just connected a new drive to
the SAN and created a logical drive using the RAID controller. It is important that visibility of
the new storage be restricted to a few servers in the SAN Which two options can you use to
achieve this? (Choose two) - CORRECT ANSWER - Use zoning on the fibre channel
switch\n\nUse LUN masking on the RAID controller
What should you implementto isolate two of the devices that are located on a SAN fabric
containing eight devices? - CORRECT ANSWER - Virtual SAN
Your organization has implemented Web Services Security (WS-Security) in all its Web
applications. What is not provided with this Simple Object Access Protocol (SOAP) extension? -
CORRECT ANSWER - Availability
Which type of firewall most detrimentally affects network performance? - CORRECT
ANSWER - Application-level proxy firewall
You have several routers on your organization's network. Recently, one of the routers has
undergone a spoofing attack. Management wants you to protect against these spoofing attacks by
ensuring that the router confirms that the source address to which a packet is being forwarded is
reachable. The network includes asymmetric routing paths. What should you do? - CORRECT
ANSWER - Implement unicast reverse path forwarding in loose mode on the router
What is the purpose of anti-spam applications - CORRECT ANSWER - To prevent
unsolicited e-mail
Which entities can group policies be used to manage? (Choose all that apply) - CORRECT
ANSWER - Users\n\nClient computers\n\nServer computers\n\nDomain controllers