Networking's leading authority joins Sybex for the ultimate CCNA prep guide CCNA Routing and Switching Complete Study Guide, 2nd Edition is your comprehensive review for the CCNA exams. Written by the leading authority on networking technology, this guide covers 100% of all objectives for the latest ICND1, ICND2, and CCNA Composite exams. Hands-on labs help you gain experience in critical procedures and practices. Gain access to the Sybex online learning environment, featuring a robust set of study tools including: practice questions, flashcards, video instruction, and an extensive glossary of... [Read More]
The most up-to-date, in-depth guide for TCP/IP mastery TCP/IP is the ultimate guide to the glue that holds the Internet together. When two computers “talk” to one another, they do it through Transmission Control Protocol/Internet Protocol. Networking professionals working toward any of the CCNA-Specialty certifications must have a firm understanding of this key technology, and must stay up to date on evolving practices as new technologies emerge. Whether you’re preparing for the CompTIA Network+ exam, the Cisco CCENT ICND1 exam, or just want to learn how to install, troubleshoot, and ope... [Read More]
What you need to know to survive, long term.Interests between broadcasters and telecom people are blurring. Technical operations and design engineers in one field are increasingly required to deal with practices and techniques in the other. The problem is expectations and terminology differences aren't recognized until it's too late.Take "Quality of Service." The telecom people specify a percentage of the time that the service is guaranteed to be available. The down time may be very, very small. But, if it occurs during a high-priced commercial in the Super Bowl, it is very, very serious for t... [Read More]
TCP is abbreviation of Transmission Control Protocol, and pronounced as separate letters. TCP is one of the main protocols in TCP/IP networks. Whereas the IP protocol deals only with packets, TCP enables two hosts to establish a connection and exchange steams of data. TCP guarantees delivery of data and also guarantees that packets will be delivered in the same order in which they were sent.
Gives detailed coverage of all aspects of TCP/IP architecture, protocols, and product implementations. Part I describes the history, architecture, and standards of TCP/IP, and Part II introduces new architectures and special purpose protocols. Part III discusses network connections and platform implementation of TCP/IP. This new edition covers new technologies such as multimedia, virtual private networks, and differentiated services. Focus on IBM systems is retained. For advanced TCP/IP users and experts. Annotation c. by Book News, Inc., Portland, Or.
The fifth edition of this very successful IBM Redbook provides a complete understanding of the TCP/IP protocol suite and how IBM's suite of networking products work in a heterogeneous networking environment. New features include an Internet access chapter, and new sections on MIME, SNMPv2, DHCP, and other state-of-the-art protocols.
This 16 Camera IP system is part of our new Sibell Series and is an amazing value with its 4k resolution capabilities you'll be set for years without having to upgrade your recorder! This surveillance recording systems runs the latest Linx Operating System with embedded local and web interfaces that are simple and easy to use and navigate. As a 4k recorder this system is capable of recording cameras up to 8mp on all 16 channels making it top of the line despite its competitive price point making it an essential investment in your home or business not an expenditure! This recorder is plug and p... [Read More]
----------ON SALE---------- Note:This product is only an adapter for exptending, not a console adapter.The LFHUKEJI brand rollover DB9 RS232 to RJ45 adapter will help you to connect your device to another device through the console port. It works with Cisco gear both new and old.This adapter is identical to the one that ships with Cisco switches, firewalls, routers, wireless devices and more. It works with Cisco gear both new and old. Most folksuse the standard Windows Hyperterminal or some other terminal emulation software to access the Cisco IOS through the console port. If youhave a newer l... [Read More]
The LFHUKEJI rollover console cable will help you to connect your PC to a Cisco device through the console port. It works with Cisco gear both new and old.This cable is identical to the one that ships with Cisco switches, firewalls, routers, wireless devices and more. It works with Cisco gear both new and old. Most folksuse the standard Windows Hyperterminal or some other terminal emulation software to access the Cisco IOS through the console port. If youhave a newer laptop, it may not have the 9-pin serial port, in which case you should purchase the USB Console Cable Kit found in this same ca... [Read More]
Relay Load (Everyone):AC250V 5AOutput number:32 Input number:6 Communication Port:WiFi+RS232 Software: PC APP and providing protocols can program by yourself Network Control Mode:TCP (Local) + UDP (Remote) Provide Control Sample Source Code:C++, VB, Delphi, Python, iOS, Android Product Video Instructions:YouTube Products Function: 1. Supporting RS232 and Ethernet communication mode. 2. Remote controlling the opening/closing of 32 routes or 32 groups'circuits. 3. Supporting 6 ports input of sensor switching value. 4. Supporting secondary development. 5. Supporting APP remote controlling. 6. W... [Read More]
We provide video guide+Detail wire diagram, so you can easily setup System, also provide live support.Package:1 x 4 Door Access control Panel4 x RFID Reader(waterproof)1 x Power supply Box( 110-240V input,5A output,to power the system,also as cabinet for control board)1 x RFID Enroll USB Reader4 x Infrared Exit Button50 x RFID Keychains50 x RFID Cards1 x CD for Software/User manual/Wire diagram/Video GuideUSB RFID Card Reader:Desktop USB reader,read card number into software so that easy programming/register userSupport: EM4100/EM4001/TK4100 ID cardDimension: 105x70x12mmPower Supply Box:Power�... [Read More]
With our new Sibell 32ch NVR you can experience the epitome of clarity and the latest in current surveillance technology. The NVR-SB32-16P is fullsized and fully loaded with advanced features and capabilities including 4k resolutions (8 megapixel) and advanced compression like the new high profile H.265 compression while still being compatible with tradition H.264 compression cameras. This recorder is Onvif compliant for third party cameras but plug and play with both Elite and Sibell cameras. This recorder features 16 ports of POE (Power Over Ethernet) making as simple as running just 1 CAT/... [Read More]
Features: - SDIO 2.0, SPI, UART - 32-pin QFN package - Integrated RF switch, balun, 24dBm PA, DCXO, and PMU - Integrated RISC processor, on-chip memory and external memory interfaces - Integrated MAC/baseband processors - Quality of Service management - I2S interface for high fidelity audio applications - On-chip low-dropout linear regulators for all internal supplies - Proprietary spurious-free clock generation architecture - Integrated WEP, TKIP, AES, and WAPI engines Solutions: - Supports APSD for optimal VoIP applications - Patented spurious noise cancellation algorithm for integration in... [Read More]
Sibell is our newest line and is quickly becoming one of our most trusted. With the strongest processor in its class this 64ch 4k NVR is the largest and most capable in its line. Capable of handling 64 cameras recording simultaneously at up to 320mbps and up to 8mp a camera on the new advanced H.265 compression rate there's not a lot this surveillance recorder cant handle. This recorder is top of its class HD recording and performance! This NVR features Dual Gigabit Ethernet ports, this allows you to connect to your router and network for remote viewing while still allowing you to create a sep... [Read More]
Relay Load (Everyone):AC250V 10AOutput number:8 Input number:8 Communication Port:Ethernet+RS232 Software: PC APP and providing protocols can program by yourself Network Control Mode:TCP (Local) + UDP (Remote) Provide Control Sample Source Code:C++, VB, Delphi, Python, iOS, Android Product Video Instructions:YouTube Products Function: 1. Supporting RS232 and Ethernet communication mode. 2. Remote controlling the opening/closing of 8 routes or 8 groups'circuits. 3. Supporting 8 ports input of sensor switching value. 4. Supporting secondary development. 5. Supporting APP remote controlling. 6.... [Read More]
Chad Robertson, co-owner of Tartine Bakery in San Francisco, developed his unique bread during two decades of apprenticeship with the finest artisan bakers in France and the United States. A hundred photographs from years of
Today's digital cameras are more affordable and more powerful than ever, letting you create stunning images with technology that would have been unthinkable just a few years ago. For beginners, this is the perfect time
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