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What is meant by horizontal scaling and vertical scaling?
Ans) Horizontal scaling means adding or removing client workstations with only a small performance impact.
Vertical scaling means migrating to a larger and quicker server machine or multiservers.
Internet Client Control Task A distributed system is to be implemented using networked PCs. The role of the system in this task is to implement an environmental control sys
Wireless Ethernet (802.11) a) Operates on physical plus data link layers b) BSS (Basic service set) stationary or mobile wireless stations and a central base station known a
Question: a) Differentiate between the following key terms used in any e-banking security system: (i) Authorisation v/s Authentication. (ii) Data Integrity v/s Data Conf
Multicast An identifier for a set of interfaces (typically belonging to dissimilar nodes). A packet sent to a multicast address is delivered to all interfaces identified by tha
What is the method of BGP speakers and Peers?
Q. What do you mean by Substitutional Ciphers? Substitutional Ciphers Monoalphabetic Substitution Polyalphabetic Substitution - Transpositional - character
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
802.11 DSSS a) Direct sequence spread spectrum in a 2.4 GHz band b) Each bit is replaced by a sequence of bits called a chip code, implemented at the physical layer c) Se
Root DNS Servers A root server is a serve which consists of the entire hierarchy of servers. A root server usually does not store any information about domains but
TCP Connection Management TCP connection management encompasses the procedures for establishing and terminating connection (FTCP is connection oriented protocols). In TCP c
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