protocols services and addressing

network+ security+ exams in a nutshell - a desktop quick reference

network+ security+ exams in a nutshell - a desktop quick reference

... laptops and portable devices—for example, cooling devices, hardware and video cleaning materials and operating environments, including temperature and air quality, storage, and transportation and ... upgrading printers and scanners Install and configure printers and scanners: — Power and connect the device using a local or network port — Install and update the device driver and calibrate the ... concepts and printing and scanning devices It has recently been revised to include newer areas of study, such as computer security, safety and environmental issues, and communications and professionalism...

Ngày tải lên: 25/03/2014, 11:03

813 3,8K 0
Mạng công cộng PSTN ( public service Telecom Network)

Mạng công cộng PSTN ( public service Telecom Network)

... sideband, s1(t) Lower sideband, s2(t) Lower sideband, s3(t) f 60 kHz 64 kHz 68 kHz 72 kHz Spectrum of composite signal using subcarriers at 64 kHz, 68 kHz, and 72 kHz William Stallings, Data and ... Engineering and Computer Science THE UNIVERSITY OF TEXAS AT DALLAS FREQUENCY-DIVISION MULTIPLEXING (RX) Bandpass filter, f1 s(t) FDM signal Main Receiver mb(t) Composite baseband signal Bandpass ... Science THE UNIVERSITY OF TEXAS AT DALLAS FDM CARRIER STANDARDS North American and International FDM Carrier Standards Number of voice channels Bandwidth Spectrum AT&T ITU-T 12 48 kHz 60–108 kHz Group...

Ngày tải lên: 09/07/2014, 08:18

46 259 1
Hybrid energy system evaluation in water supply system energy production: neural network approach

Hybrid energy system evaluation in water supply system energy production: neural network approach

... training process and in a reliable neural network tests together with an hydraulic and power simulator model – HPS (e.g EPANET simulator), alternating flow rates, diameters and pipe lengths and roughness ... network topology and the number of neurons and hidden layers, the resulted network with the topology adopted was the neurons for input, 40, 30, 20, and 10 neurons for the hidden layers and neurons ... objectives i.e a constant and reliable source of power Renewable energy takes on many varying forms, each with associated strengths and weaknesses, depending on the local and type, but when combined...

Ngày tải lên: 05/09/2013, 14:58

10 390 1
AIR POLLUTION MONITORING SYSTEM BASED ON GEOSENSOR NETWORK pot

AIR POLLUTION MONITORING SYSTEM BASED ON GEOSENSOR NETWORK pot

... acquisition policy and the context model for understanding the air pollution status their relationship for understanding the context of the remote place It is utilized in mobile and small sensor ... abstraction and air pollution prevention models for understanding the pollution level and area The models are used for providing alarm message and safety guideline for people in pollution area Figure ... is so high and dangerous like , the system should analyze and cope with the pollution as soon as possible It makes the interval shorter (8 sec.) When the pollution level is lower and the gradient...

Ngày tải lên: 23/03/2014, 04:20

5 356 0
báo cáo sinh học:" Empowering health personnel for decentralized health planning in India: The Public Health Resource Network" ppt

báo cáo sinh học:" Empowering health personnel for decentralized health planning in India: The Public Health Resource Network" ppt

... related to maternal and child health and communicable and noncommunicable diseases; programmatic and systemic knowledge related to health planning, convergence, health management and public-private ... to maternal and child health, communicable and noncommunicable diseases; programmatic and systemic knowledge related to health Noncommunicable Diseases and Mental Health; Disaster and Epidemic ... more "command and control" orientation of public health officials towards the community, to an attitude of participation, openness and accountability, recognizing the rights of the poor and the...

Ngày tải lên: 18/06/2014, 17:20

4 338 0
Integrated system level modeling of network on chip enabled multi processor platforms

Integrated system level modeling of network on chip enabled multi processor platforms

... DivX, quicktime), and 3D graphic processing (DirectX 9) Apart from the multitude and dynamics of multimedia standards, a flexible implementation platform is also mandatory to meet demanding cost constraints ... their skills and their hard work For their personal engagement I like to thank (in alphabetical order) Malte D¨ orper, Torsten Kempf, Roland Nennen, Thomas Philipp, Andreas Wieferink, and Olaf Zerres ... 10 GHz and operating below one volt Already today multiple heterogeneous processing elements and memories can be integrated on a single chip to increase performance and to reduce cost and improve...

Ngày tải lên: 08/03/2016, 11:34

202 693 0
DNG network system

DNG network system

Ngày tải lên: 25/01/2013, 14:30

18 323 0
Connection to the MV public distribution network

Connection to the MV public distribution network

... standard The IEC 62271-200 standard specifies «AC metal-enclosed switchgear and controlgear for rated voltages above kV and up to and including 52 kV» The main precepts of the standard relate to: b Switchgear ... and testing of the LV installation in the substation b Checks on all interlocks (mechanical key and electrical) and on all automatic sequences b Checks on correct protective-relay operation and ... Protection of personnel and animals against the dangers of overvoltages and electric shock, fire, explosions, and toxic gases, etc b Protection of the plant, equipment and components of a power...

Ngày tải lên: 19/10/2013, 22:15

30 466 0
Tài liệu Microsoft® Windows® 2000 Network and Operating System Essentials ppt

Tài liệu Microsoft® Windows® 2000 Network and Operating System Essentials ppt

... Represents commands, command options, and portions of syntax that must be typed exactly as shown It also indicates commands on menus and buttons, icons, dialog box titles and options, and icon and menu ... Introduction to Protocols Protocols and Data Transmissions Common Protocols 10 Other Communication Protocols 15 Remote Access Protocols ... the components and scope of a network and identify current network topologies and related technologies Module 5, “Examining Network Protocols, ” describes the protocols, or sets of standards, designed...

Ngày tải lên: 09/12/2013, 17:15

360 461 0
Tài liệu Lecture 25: The Telephone System doc

Tài liệu Lecture 25: The Telephone System doc

... the line Standard Rotary Telephone Handset (Type 500 Telephone) Dialing is done by interrupting the line current at a 10 Hz rate to 10 pulses are sent to dial digits to (Hayes modem command: ATDP) ... computers using stored-program control to handle the switching of calls • They can handle 100,000s of subscribers at a time • They are much faster, more reliable and flexible • They don't generate electrical ... used for data communications, pagers and personal digital assistants (PDAs) Regions are divided into cells, each with its own antenna and mobile phones transmit and receive using the nearest antenna...

Ngày tải lên: 10/12/2013, 08:15

6 441 0
Developing a system of exercises to improve public speaking skill in interpreting for the 4th year students of english at vinh university

Developing a system of exercises to improve public speaking skill in interpreting for the 4th year students of english at vinh university

... meaning and /or effect as previously existing utterances in another language and culture” In this definition, Pochhaker mentions about the similarities in meaning and effect of the SL and the ... information from the speaker and understanding to identify the problem Listening is a hard work It requires full attention to the speaker, and the interpreter must understand the entire message 1.1.3.2 ... Findings and Discussion 2.4.1 Results and Discussion In this part, the data obtained from the questionnaires will be classified and analyzed on the following issues: - Students’ understanding about...

Ngày tải lên: 25/12/2013, 20:21

71 690 1
Tài liệu Advanced Network and System Administration ppt

Tài liệu Advanced Network and System Administration ppt

... request Server sends result code and closes socket 16 LDAP Operations  Client Session Operations   Query and Retrieval Operations   Bind, unbind, and abandon Search and compare Modification Operations ... Schemas specify allowed objectClasses and attributes 12 LDIF  LDAP Interchange Format   LDIF Files    Standard text format for storing LDAP configuration data and directory contents Collection ... Operations  Add, modify, modifyRDN, and delete 17 Authentication Anonymous Authentication Binds with empty DN and password Simple Authentication Binds with DN and password Cleartext Simple Authentication...

Ngày tải lên: 20/01/2014, 06:20

23 539 0
Tài liệu Network Application Security Using The Domain Name System pptx

Tài liệu Network Application Security Using The Domain Name System pptx

... DNS and LDAP 33 CHAPTER LDAP AND DNS AS CERTIFICATE DIRECTORIES 4.4 Performance and Overhead Looking up and retrieving certificates over a network will of course have a impact on both network and ... protected and authenticated (and encrypted in the case of symmetric keys), an adversary might be able to intercept and replace the key Then Bob will believe the key he received belongs to Alice, and ... Domain Name System hierarchy and the names stored in it are often used by application protocols such as web browsing and electronic mail This last observation is important, and combined with the flexibility...

Ngày tải lên: 14/02/2014, 08:20

109 763 0
Tài liệu The McAfee Network Security Platform: Bridging Network and System Security doc

Tài liệu The McAfee Network Security Platform: Bridging Network and System Security doc

... intelligent IPS that provides critical host details, top host intrusion and spyware attacks, and accurate threat and risk relevance, on demand A real-time security solution empowers real-time security ... Inc., and/ or its affiliates in the U.S and/ or other countries McAfee Red in connection with security is distinctive of McAfee brand products Any other non-McAfee related products, registered and/ or ... Comprehensive and continuous network security with pre and post admission control through NAC Integration Traditional intrusion prevention systems (IPS) are point solutions fraught with false positives and...

Ngày tải lên: 14/02/2014, 16:20

4 568 0
Tài liệu A WIRELESS SENSOR NETWORK AIR POLLUTION MONITORING SYSTEM pdf

Tài liệu A WIRELESS SENSOR NETWORK AIR POLLUTION MONITORING SYSTEM pdf

... Karl and A Willig, Protocols and Architectures for Wireless Sensor Networks, John Wiley and Sons Ltd, The Atrium, Southern Gate, Chichester, West Sussex, England, 2005 [2] D Culler, D Estrin, and ... architecture to define nodes and their interaction Collect air pollution readings from a region of interest Collaboration among thousands of nodes to collect readings and transmit them to a gateway, ... areas for commercial and industrial use, including environment and habitat monitoring, healthcare applications, home automation, nuclear reactor controlling, fire detection and traffic control...

Ngày tải lên: 17/02/2014, 22:20

15 365 1
Network and System Security pptx

Network and System Security pptx

... to physical and network threats This book will enhance the skills and knowledge of practitioners and IT professionals who need to identify and counter some fundamental security risks and xxiii ... tools and utilities to minimize exposure and detect intrusions Tackle security problems by swapping out insecure software components Add tools and services to increase security Create, document and ... analysis of network and system security practices, procedures, and technologies Design issues and architectures are also expertly covered But this book goes beyond theory and analysis to explain...

Ngày tải lên: 14/03/2014, 20:20

405 906 1
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