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Determine the method to protect the Web servers
The company should install additional levels of security measures since it is possible for hackers to generate and send data with headers of the data looking like those sent from authorised users. Difficulties start when the hackers or attackers obtain information regarding the server, certain hosts and subnets of the Intranet.
The best method to protect the Web servers or Intranet servers is to use application gateways or simply "proxies". These gateways act as intermediaries between users' systems and external systems and handle identification or authentication at a higher level than at hardware level. Every request, whether from outside or from within the Intranet system, would first be received by the proxy server, which scrutinizes the requests and prevents the undesirable and unknown ones.
Assume that the clock-driven scheme for generating starting sequence numbers is used with a 16-bit wide clock counter (that is, sequence numbers range from 0 to 2^16). The clock t
Work-Sharing Constructs A work-sharing construct distributes the implementation of the associated region between the members of the team that encounters it. A work-sharing cons
What is a private IP address? Private IP addresses are allocated for use on intranets. These addresses are used for internal networks and are not routable on external public ne
Virtual channel is normally a link from one source to one destination, although multicast connections are also allowed. The other name for virtual channel is virtual circuit.
Ku-BAND EARTH STATION This is most recent on-going project under which 40 remote sites will be installed for CDMA back haul and 60 sites will be installed for GSM back haul. 4
Consider figure. Assume a new flow E is added that takes a path from R1 to R2 to R6. How does the max-min bandwidth allocation change for the 5 flows?
1 Suppose you are the new regulator in charge who has authority over Internet services (although in reality such a position may not exist depending on your country). You aim to enh
ENCODING THE DATA TYPE: The figure explain a frame in which the data kind is specified by using the data area. To ensure interoperability format of encoding location m
802.11 CSMA/CA a) Wait a DIFS time to avoid collision b) Send RTS and wait for CTS reply to obtain the use of the Medium (air) c) Use of SIFS time for control informatio
What is Frequency borrowing In the simplest case, frequencies are taken from adjacent cells by congested cells. The frequencies can also be assigned to cells dynamically.
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