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Describe the term - stateful implies
The term stateful implies that the firewall is wakeful and is capable of remembering the state of each session of packet exchange across it, allowing it to monitor all the packets for unauthorised access while maintaining high level of security, even with connectionless service protocols such as UDP, SMTP, etc.
Can you describe the concept of CDMA?
Serialized data is not generally sent at a uniform rate by a channel. Instead, there is usually a burst of regularly spaced binary data bits followed by a pause, after which the da
CONNECTION TO PACKET SWITCHES: A packet switch many join to devices and to other packet switches. But the speeds are different in both parts. There are typically high-speed j
Describe any good security technology A good security technology should be powerful enough to support the features that the administrators need, including rules validation to i
FIBER OPTIC EXTENSION: The LAN extension using fiber optic is given in the figure below: Figure The fiber-modem translates digital data into pulses of light the
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
What are the different technologies involved in establishing WAN links? Analog connections - using conventional telephone lines; Digital connections - using digital-grade telep
Packet Cost Both distance vector and link state routing are lowest algorithms. Tow factors govern how cost is applied to packets in determines a route. Cost is a
Q. Explain Types of Redundancy Checks? Parity Check Simple Parity Check Two Dimensional Parity Check / Longitudinal Redundancy Check (LRC) CRC (Cyclic Redund
10Base-T: Twisted Pair Ethernet Most popular standard simplest to install and reconfigure Star topology LAN utilize UTP cable no need for AUI It supports data rag
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