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RS232 Old industrial DOS PC sends data in single bits instead of packets. How to modify single bits to packet data. Is there a software or where to by a blackbox?
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∙ 16y ago
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What is the difference between wavelet tree and wavelet packets?
Wavelet tree is recursively built applying decomposition and approximation filter only to the (father wavelet) approximation filter output at each step (or level). Wavelt packets, instead, are constructed by applying both filters to approximation and decomposition filter output resulting in a 2^(n+1)+1 nodes with respect to 2(n+1)+1 nodes of standard discrete wavelet tree
What is the ping command to send 8 packets as a test?
ping -n 8 destination
Which device in pstn willl convert analog to digital?
You would utilize a VoIP adapter in the conversion of analog voice signals into digital IP packets. These adapters also have the ability to convert digital IP packets into analog voice streams.
How can we implement Leaky bucket algorithm in c?
//here is a simple implementation of leaky bucket. #include<stdio.h> #include<stdlib.h> #include<dos.h> void main() { int i,packets[10],content=0,newcontent,time,clk,bcktsize,oprate; for(i=0;i<5;i++) { packets[i]=rand()%10; if(packets[i]==0) --i; } printf("\n Enter output rate of the bucket: \n"); scanf("%d",&oprate); printf("\n Enter Bucketsize\n"); scanf("%d",&bcktsize); for(i=0;i<5;++i) { if((packets[i]+content)>bcktsize) { if(packets[i]>bcktsize) printf("\n Incoming packet size %d greater than the size of the bucket\n",packets[i]); else printf("\n bucket size exceeded\n"); } else { newcontent=packets[i]; content+=newcontent; printf("\n Incoming Packet : %d\n",newcontent); printf("\n Transmission left : %d\n",content); time=rand()%10; printf("\n Next packet will come at %d\n",time); for(clk=0;clk<time && content>0;++clk) { printf("\n Left time %d",(time-clk)); sleep(1); if(content) { printf("\n Transmitted\n"); if(content<oprate) content=0; else content=content-oprate; printf("\n Bytes remaining : %d\n",content); } else printf("\n No packets to send\n"); } } } }
What is a teardrop in computer terms?
A DoS attack where fragmented packets are forged to overlap each other when the receiving host tries to reassemble them.
What is a software or hardware designed to filter out suspicious packets attempting to enter or leave a computer?
firewall
The local host can send packets on the local network?
The localhost address is designed to verify that the software for networking has been installed and is operating correctly. It does not pass any packets to the network.
What is the software used to sniff packets off a network?
We can use ethreal or wireshark packet capture to sniff packets. both work based on tcp/ip or dod model. ie displays 4 layer architecture
Data is transmitted on a network in pieces called?
Packets Words
What does the permit or deny term in a global access list statement indicate?
How the packets that meet the test conditions will be handled by the Cisco IOS software
Why is it generally a good idea to implement reliability e.g packet loss recoverys at end systems instead of in the middle of a networke.g by a router?
It is generally a good idea to implement reliability packets loss recovery at the end of a system, instead of in the middle, because you may need to change the reliability packets. By implementing at the end you will be assured you have the right packet.
Why would an application use UDP instead of TCP?
UDP does not require as much resources as TCP but in the same time, it does not insure delivery of packets.
What are data packets?
data packets is a kind of packets of data. a groop of bits that is together in a groop.
What packet exceeds the medium's maximum packet size?
Giant packets. Runt packets are packets that are too small. Giant packets are too large for the medium.
Which layer lost packets are traced?
Session Layer traced lost Packets.
What will happen the packets arrive to the destination out of order?
The packets will be delivered and reassembled at the destination.
What OSPF packets will trigger the reset of the Dead Time?
packets
