Data, Network, & Internet Communications Technology - download pdf or read online

By Ata Elahi

This thorough primer examines the technological elements of networking via a pragmatic procedure. Readers will learn neighborhood quarter networks (LANs), large quarter networks (WANs), the web, instant LANs, instant MANs, voice over IP (VoIP), in addition to asynchronous move mode (ATM) and community protection. Introductory chapters on foundational issues, reminiscent of information communications and machine structure supply readers the information base they should comprehend extra advanced networking recommendations. This ebook successfully makes use of a realistic method of networking instead of a strict concentrate on concept or math, and calls for no previous history in communications know-how.

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Convert (3DS), I, is called a bit. Eight bits are equal to one byte. Two or more than bytes is called a word. The hexadecimal number system has a base of 16, and therefore has 16 symbols (0 through 9, and A through F). 2 shows the decimal numbers, their binary values from 0 to IS, and their hexadecimal equivalents. 4. 5. To convert (110111. 101h = 1*20 + 1*2 1 + + 1*25* + \. 2 can also be used to convert a number from hexadecimal to binary, and from binary to hexadecimal. 2. Convert the binary number 001010011010 to hexadeci­ mal.

Client, server b. client, user 4. A stores all of t a. file server b. print server S. A Key Terms a. mail server Bus Network Client/Server Model Client Computer Network File Server Model Peer-to-Peer Model Hub Ring Topology Hybrid Topology Server Internet Star Topology Local Area Network (LAN) Topology Mesh Topology Transmission Medium Metropolitan Area Network (MAN) Tree Topology Network Interface Card (NIC) Wide Area Network (WAN) Network Operating System (NOS) 6. In a topology, troller or hub.

At the transmitting side, the FCS, which is the remainder dividing 2"*M by P, is calculated. The transmitter will transmit frame T 2 n *M + FCS to the receiver, where Tis k + n bits. At the receiving side, the receiver divides T by P using modu division. If the result of this division generates a remainder of zero, no error is detected in the frame. Otherwise the frame contains one or more errors. 8. 7. Find the Frame Check Sequence (FCS) for the foIl message. The divisor is given. Message M = 111010, K = 6 bits Divisor P = 1101 n + 1 = 4 bits Therefore = 111010000.

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