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What are proxy servers and how do they protect computer networks?
Proxy servers primarily stop external users who identifying the IP addresses of an internal network. Without information of the correct IP address, even the physical location of the network can't be identified. Proxy servers can make a network virtually invisible to external users.
Q. Example on Multiplicative Decrease? w = 1 for (each new ACK received) w = w+1 until (loss detected or w >= ssthresh) Not so slow - Exponential increase
In this question, you will compare delays in packet switching (i.e. in IP networks), in circuit switching (i.e. in PSTN telephony) and in virtual circuit packet switching (i.e. in
What is Groupware Groupware are a collection of software tools that encompass a broad range of applications. Even though groupware broadly consists of applications like calend
Q. Illustrate about Sliding Window Protocols? - Sliding window - Keeps the unacknowledged outstanding frames in sender - Keeps the expected frames in receiver - Sequen
What is the difference between CSMA/CD and CSMA/CA? CSMA/CD, or Collision Detect, retransmits data frames when a collision occurred. CSMA/CA, or Collision Avoidance, will first
The Five steps to data encapsulation (IN ORDER): 1) User information is changed into data. 2) Data is changed into segments. 3) Segments are changed into datagram and pack
What is the juncture at which the CPE ends and the local loop portion of the service starts? Ans) The demarcation or demarc is the juncture at which the CPE ends and the local
explain the three classification of operation research
Approximately what is the maximum value for Vout?
Q. Show the Routing Table? Routing Table Every router remains a routing table that has one entry for every destination network of which the router is aware Proces
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