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what are the two basic parameters that define traffic distinguish offered traffic from carried traffic give one valid
define grade of service a particular exchange has been dimensioned to handle 1000 calls during the busy hour on a
carry out the same exercise as in question 16 but use the poisson tables to determine the number of trunks required
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local networks can be defined in a number of ways give the definition of a local network that is provided in the text
a media gateway interfaces a pstn pcm bit stream name three types of traffic that may be transported in that bit stream
tcp operates on what kind of boundaries or segments express in bits ipv6 has augmented addressing compared to ipv4
how many bits are in a conventional pcm voice sample how is a telephone call on the pstn usually terminated give the
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why is loop polling more efficient than roll-call polling relate the ieee 802 lan standards to the seven-layer osi
how does ip use source routing in what way does icmp help ip give four of the icmp type messages of the eight listed
what is a unit interval ui define it what is the end-to-end ber specified by ccitt for an isdn why did ccitt come up
if network synchronization is working properly what slip rate can be expected what is the most common method of
what is the basic element of information in a binary data system how much information does it contain hint how many
give a simple definition of time-division switching compare space-division switching with time-division switching
what are the two principal functional elements of digital switching these elements carry out the actual switching of
what are the three basic building blocks of a time switch what are the limitations of a time t switch how are these
we have a 30 times 30 space array with a time-slot interchange tsi at each input the tsi is designed for ds1 operation
what is the function of junctors in a switch eg a dms-100 to make a switch universal-that is easy to change over from
what is the meaning of each letter in borscht of what use to the telecommunication system engineer is a hypothetical
why is it imperative that every outgoing bit stream from a digital switch have its bit rate very close to the nominal
what is the most common way for a digital network to disseminate timing we commonly meet what is termed the two-clock
describe the two common methods of correcting errors that occur on data links a frame check sequence fcs contains
define hamming distance name the three different types of arq which is the simplest to implement which is the most