FILL BLANKFill in the blank with the appropriate term. A__________________ is a physical or logical subnetwork that adds an additional layer of security to an organization's Local Area Network (LAN).
Answer(s): A
A demilitarized zone (DMZ) is a physical or logical subnetwork that contains and exposes external services of an organization to a larger network, usually the Internet. The purpose of a DMZ is to add an additional layer of security to an organization's Local Area Network (LAN); an external attacker only has access to equipment in the DMZ, rather than the whole of the network. Hosts in the DMZ have limited connectivity to specific hosts in the internal network, though communication with other hosts in the DMZ and to the external network is allowed. This allows hosts in the DMZ to provide services to both the internal and external networks, while an intervening firewall controls the traffic between the DMZ servers and the internal network clients. In a DMZ configuration, most computers on the LAN run behind a firewall connected to a public network such as the Internet.
Fill in the blank with the appropriate term. __________________ is a codename referring to investigations and studies of compromising emission (CE).
TEMPEST is a codename referring to investigations and studies of compromising emission (CE). Compromising emanations are defined as unintentional intelligence-bearing signals which, if intercepted and analyzed, may disclose the information transmitted, received, handled, or otherwise processed by any information-processing equipment. Tempest stands for Transient ElectroMagnetic Pulse Emanations Standard according to Certified Information Systems Security Professional training. TEMPEST was the name of a U.S. government project to study the effects of electric or electromagnetic radiation emanations from electronic equipment.
Which of the following router configuration modes changes terminal settings on a temporary basis, performs basic tests, and lists system information?
Answer(s): D
User EXEC is one of the router configuration modes that changes terminal settings on a temporary basis, performs basic tests, and lists system information.Answer option C is incorrect. Privileged EXEC sets operating parameters.Answer option A is incorrect. Global Config modifies configuration that affects the system as a whole. Answer option B is incorrect. Interface Config modifies the operation of an interface.
Which of the following is the primary international body for fostering cooperative standards for telecommunications equipment and systems?
CCITT is the primary international body for fostering cooperative standards for telecommunications equipment and systems. It is now known as the ITU-T (for Telecommunication Standardization Sector of the International Telecommunications Union). The ITU-T mission is to ensure the efficient and timely production of standards covering all fields of telecommunications on a worldwide basis, as well as defining tariff and accounting principles for international telecommunication services.Answer option A is incorrect. Internet Corporation for Assigned Names and Numbers (ICANN) is a non-profit organization that oversees the allocation of IP addresses, management of the DNS infrastructure, protocol parameter assignment, and root server system management.Answer option B is incorrect. The Institute of Electrical and Electronic Engineers (IEEE) is a society of technical professionals. It promotes the development and application of electro-technology and allied sciences. IEEE develops communications and network standards, among other activities. The organization publishes number of journals, has many local chapters, and societies in specialized areas.Answer option C is incorrect. The National Institute of Standards and Technology (NIST), known between 1901 and 1988 as the National Bureau of Standards (NBS), is a measurement standards laboratory which is a non- regulatory agency of the United States Department of Commerce. The institute's official mission is as follows: To promote U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve quality of life.NIST had an operating budget for fiscal year 2007 (October 1, 2006-September 30, 2007) of about $843.3 million. NIST's 2009 budget was $992 million, but it also received $610 million as part of the American Recovery and Reinvestment Act. NIST employs about 2,900 scientists, engineers, technicians, and support and administrative personnel. About 1,800 NIST associates (guest researchers and engineers from American companies and foreign nations) complement the staff. In addition, NIST partners with 1,400 manufacturing specialists and staff at nearly 350 affiliated centers around the country.
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