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Q. Explain the diffrent types of Security Attacks?
Types of Security Attacks
Passive Threats:
- Traffic Analysis and
- Release of Message Contents
Active Threats:
Replay
- Masquerade-
- Modification of Mess. Contents
- Denial of Service
CAM- Content Address Memory. Its another name of MAC address table.
Point out the drawbacks of Token Ring. Few of the drawbacks of Token Ring are: a. Token Ring is very costly. All topology components cost much more than other more popular s
what is logical ring maintenance and how does it work>?
Connection Establishment TCP transmits data in full duplex mode. When two TCP is two machines are connected they are able to send segments to each other simultaneously. This
Process communicating End systems communicate with each other by the processes. A process can be thought of a s program that is running within end systems. Process
Explain the meaning of bastion host?
SONET Frame Can be viewed as a matrix of nine rows of 90 octets every for a total of 810 octets. A few used for control they aren't positioned at the beginning or end of the
5. Suppose that frames are 1250 bytes long including 25 bytes of overhead. Also assume that ACK frame are 25 bytes long. Calculate the efficiency of Stop-and-Wait ARQ in a system t
An Internet address (IP address) is a unique 32-bit binary number given to a host and used for all interaction with the host. Each packet transmit across an Internet contains the 3
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
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