UDP is a connectionless protocol that operates at the Transport Layer of the OSI model and uses ports to manage simultaneous connections.

Which of the following terms is also related to UDP?

During a security assessment of a wireless network, Jim discovers that LEAP is in use on a network using WPA. What recommendation should Jim make?

Jake has been told that there is a layer 3 problem with his network. Which of the following is associated with layer 3 in the OSI model?

Frank is responsible for ensuring that his organization has reliable, supported network hardware. Which of the following is not a common concern for network administrators as they work to ensure their network continues to be operational?

Among the many aspects of a security solution, the most important is whether it addresses a specific need (i.e., a threat) for your assets. But there are many other aspects of security you should consider as well. A significant benefit of a security control is when it goes unnoticed by users. What is this called?

What speed and frequency range are used by 802.11n?

Melissa wants to combine multiple physical networks in her organization in a way that is transparent to users but allows the resources to be allocated as needed for networked services. What type of network should she deploy?

Which email security solution provides two major usage modes: (1) signed messages that provide integrity, sender authentication, and nonrepudiation; and (2) an enveloped message mode that provides integrity, sender authentication, and confidentiality?

Alicia’s company has implemented multifactor authentication using SMS messages to provide a numeric code. What is the primary security concern that Alicia may want to express about this design?

     A ______________ is an intelligent hub because it knows the hardware addresses of the systems connected on each outbound port. Instead of repeating traffic on every outbound port, it repeats traffic only out of the port on which the destination is known to exist.

     What type of security zone can be positioned so that it operates as a buffer between the secured private network and the internet and can host publicly accessible services?

     Michele wants to replace FTP traffic with a secure replacement. What secure protocol should she select instead?

How do you distinguish between a bridge and a router?

     What network tool can be used to protect the identity of clients while providing Internet access by accepting client requests, altering the source addresses of the requests, mapping requests to clients, and sending the modified requests out to their destination?

What features can IPsec provide for secure communication?

      Sue modifies her MAC address to one that is allowed on a network that uses MAC filtering to provide security. What is the technique Sue used, and what non-security issue could her actions cause?

The CISO has requested a report on the potential communication partners throughout the company. There is a plan to implement VPNs between all network segments in order to improve security against eavesdropping and data manipulation. Which of the following cannot be linked over a VPN?

Modern networks are built on multilayer protocols, such as TCP/IP. This provides for flexibility and resiliency in complex network structures. All of the following are implications of multilayer protocols except which one?

     A(n) _________________ firewall is able to make access control decisions based on the content of communications as well as the parameters of the associated protocol and software.