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QUESTION
a) How is an Intranet different from an Internet?
b) State the main differences between a router and a switch
c) Explain the function of a modem
d) Calculate the download time of a 2.5 GB file with an ADSL connection with a downstream speed of 256 kbps and an upstream speed of 128 kbps
i. When the line is 100% usage
ii. When the line is 80% usage
Express your answers in Hours: Minutes: Seconds
Explain Persistence timer? To deal with the zero-size windows What if a receiver advertises that the window size is 0 (by sending ACK) and this ACK is lost? - A
Describe the following topics A . LAN B . MAN C . WAN D . ARPANET
The Network Control Unit (NCU) is a field panel housing electronic modules, terminal blocks, and signal conditioners (pneumatic, linevoltageand electronic) all inside a one enclosu
The following DNA sequences are extracted from promoter region of genes which are co-regulated by the same transcription factor (TF). The nucleotide segments capitalized in the giv
Applications of Fiber Optics - Backbone networks because of wide bandwidth and cost effectiveness - Cable TV - LANS - 100Base-FX (Fast Ethernet)
what is similarity of wifi and 3g
Q. Show V.32 standard? - ITU-T's V.32 standard was issued in 1991 for asynchronous and full-duplex operation at 14.4 Kbps. V.32bis - Is an extension of the V.32 technology?
Consider a signal x(t) = 10 cos(2πfct + 4 cos 2πfmt). Assume frequency modulation. The message frequency fm = 2:3 kHz. Calculate the modulation index and find the bandwidth when
Can you give an overview of the components in IPSec?
Write discussion on Associative mapping - computer architecture.
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