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State the term - Lot of care required while programming
It is a common and well-known saying that many developers of "secure systems" leave a "back door" way for themselves so that they can get into the system bypassing the secure front door.
The big problem is that often the companies owning the web servers or Intranets have so many contractors and newly recruited programmers writing critical code who do not know the intricacies of the system security. The code never being reviewed causes the greatest concern.
CONNECTION-ORIENTED: Accounting is simpler. Application can learn of network causes immediately. CONNECTIONLESS: It has fewer load. It is easier to cre
Q. Show the Function of Signals? - TD transmitted data - RD received data - DSR data set ready Indicate whether DCE is powered on - DTR signifies data termi
802.11 FHSS Frequency-hopping spread spectrum in a 2.4 GHz band Carrier sends on one frequency for short duration then hops to another frequency for same duration, hops agai
Routing Information Protocol (RIP) is a distance vector routing protocol that used hop count as its metric. The maximum hop count is 15, 16 hops are considered unreachable. RIP upd
Initialization Imagine that all routers in our sample internetwork comes up at the same time. Each router sends a greeting packet to its neighbours to find out the sta
Describe autonomous system?
Bridge A bridge operation sin both physical and data link layer of OSI model. At physical layer it works like repeater as it regenerates the signal and performs int
MAC (media access control) and LLC (logical link control) are both layer 2 protocols.
Tunnelling To guarantee privacy for the organization, VPN specifies that each IP datagram destined for private use of the organization, must first be encrypted and then en
NETWORK OWNERSHIP: There are two types in this case: 1. Private Network 2. Public Network
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