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Drawback of Repeaters.
Repeater has no filtering capability as it forwards every frame.
Repeater shell be placed at accurate distance before actual signal becomes lost due to noise which can change the meaning of message completely.
What are the important topologies for networks? BUS topology: In this every computer is directly linked to primary network cable in a single line. Advantages: Inexpensive,
what is gateway?
Encoding Process c= uG u: binary data sequence of length 4( input) G: Generator matrix which is 7*4 c: Codeword D
Firewalls After several security related internet newsgroups started overflowing with posts it becomes clear something hand to done to help secure networks. The first
Q. What is Boundary Level Masking? If mask numbers are either 255 or 0: Bytes in the IP address that correspond to 255 in the mask will be repeated in the subnet ma
#include void subdomain(float x[ ], int istart, int ipoints) { int i; for (i = 0; i x[istart+i] = 123.456; } void sub(float x[ 10000], int npoints) {
Link Layer To move to packet from one node( host or packet swtich0 to net node in the route the network layer relies on the services of the link layer. Particularl
In this question, you will compare delays in packet switching (i.e. in IP networks), in circuit switching (i.e. in PSTN telephony) and in virtual circuit packet switching (i.e. in
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
explain types of computer network
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