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Q. Show about Alternate mark inversion?
Bipolar AMI
- Neutral, zero voltage represents binary 0
- Binary 1s symbolized by alternating positive and negative voltages
Sequence Number After the bytes have been numbered TCP assigns a sequence number to each segment that is being sent. These sequence number for each segment is the numb
Ask questiXYZ, is Pakistani company which is selling toys in all the major cities of Pakistan having 50 outlets in different cities. The company has the revenue of 10000000/- PKR p
Q. Illustrate Go Back - N protocol? Go Back - N - Sender window size - Receiver window size = 1 - Why the names go back- N? - When the frame is spoilt the sende
Q. Define Name Space in domain name system? - All names assigned to machines on an internet - Must be unique; either flat or hierarchical - Flat name space - name is assi
Which protocol will send a message to routers if a network outage or congestion happen Ans) Internet Control Message Protocol - ICMP will send a message to routers if a network
Define the concept of Unicast IP address?
Q. Illustrate TCP – bytes and segments? TCP - bytes & segments TCP at the sending site collects bytes into a packet called a segment TCP adds a header to each se
DNS ID hacking The Dns use ID system in order to keep track of each every request and replies. In order to spoof the DNS’s response, the hacker needs to do ID Hacking. In orde
Screening Router In this setup network router acts as a firewall. It checks all incoming and outgoing packets according to the predefined rules. This filter is placed at the c
Explain the different symmetric algorithms?
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