Nondigital __________ systems use a continuous range of values to
represent Information.
A __________ is a security service that monitors and analyzes system events for the
purpose of finding, and providing real-time or near-real-time warning of, attempts to
access system resources in an unauthorized manner.
One advantage of wireless LAN use is that any transmission frequency can be used as
long as it does not interfere with other nearby applications.
Each packet includes a unique numeric address of the destination host, which is referred
to as an __________ because the address is carried in an IP packet.
Accessibility refers to the percentage of time that a particular function or application is
available for users.
__________ is an identifier for a single interface in which a packet is delivered to the
interface identified by that address.
Infrared LANs are an economic alternative to spread spectrum LANs.
UDP provides guaranteed delivery of messages.
The choice between circuit and packet switching depends on a host of considerations,
including cost, performance, reliability, and flexibility.
A _________ is a hardware or software entity inserted between a system or network to
be protected and the Internet or other outside access network to control traffic in both
directions to enforce a security policy.
A QoS facility allows the Internet to treat all classes of traffic equally in order to
optimize the services provided to all users.
In the telephone system, conversions are reproduced using the range from 300 ” 3400
Hz in order to limit the required capacity of
transmission lines.
___________ refers to a set of specifications developed by the IEEE 802.3 committee
to provide a low-cost, Ethernet-compatible LAN operating at 100 Mbps.
The Secure Sockets Layer (SSL) and the follow-on Internet standard known as
__________ provide a reliable end-to-end secure transport service over TCP.
___________ is a set of protocols for providing encryption, authentication, and
key management for IP.
Analog encoding of digital information modulates a wave known as the carrier in terms
of its phase, frequency or amplitude.
___________ is a nongovernmental organization that promotes the development
of standardization and related activities with a view to facilitating the international
exchange of goods and services, and to developing cooperation in the spheres of
intellectual, scientific, technological, and economic activity.
NIST defines three service models that can be viewed as nested service alternatives:
SaaS, PaaS, and IaaS.
Selecting a WAN protocol for a particular business is a fairly simple task given current
pricing structures and business traffic patterns.