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The most expensive method of accessing the Internet is to employ leased lines that directly connect to the ISP. This will enhance access rate to anywhere between 64 K and 1.5 Mbps, based on the system in use. Equipment called data service units (DSU) & channel service units (CSU) are set up in pairs, one pair at the customer site & the other at the ISP site. There is no phone dialing needed since the connection is direct. Also the only protocol required to complete the access is TCP/IP, for much the similar reason. Based on the transfer rate needed and the distance between the sites, cabling amongst them can be made with fiber optic cables or unshielded twisted-pair (UTP) copper wire.
What is CRC and Checksum CRC (Cyclic redudancy check) CRC, is the most powerful of the redundancy checking methods, is based on binary division. Checksum Checksum
You are designing a network for a retail customer; they plan to have 5 locations initially with the main store acting as the warehousing depot. Within the next year they are plann
A.) JPEG and PICT B.) MPEG and MIDI C.) ASCII and EBCDIC For example, the Presentation layer would be liable for changing from EDCDIC to ASCII. Data compression, decompres
Intrinsic Functions HPF introduces some new intrinsic functions in addition to those defined in F90. The two most regularly used in parallel programming are the system inquiry
Q. Explain the types of Security Threats? (a) Normal Flow (b) Interruption: An asset of a system develops into unavailable or unusable. (c) Interception: A few unaut
The following issues are decided by the system in the process of message passing: 1) Whether the communication link is established or not 2) Whether the receiver is ready to
Q. Show the Character-level Encryption? - Substitutional - Monoalphabetic - simplest form; also called Caesar cipher - Every character is replaced with another character
What is the major issue with routing by rumor?
TWO DIFFERENT KINDS OF TOPOLOGIES: LOGICAL TOPOLOGY: It is described by the specific network technology. PHYSICL TOPOLOGY: It relays on the wiring scheme. NE
Define Co-axial cable. A solid central conductor surrounded by insulating material and then by a cylindrical shield woven from fine wires is called as co-axial cable. The shie
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