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Describe briefly how firewalls prevent network.
A firewall is only a program or hardware device which filters the information coming via the Internet connection within your private network or computer system. When an incoming packet of information is flagged through the filters, this is not allowed via the network.
A firewall provides a company tremendous control over how people employ the network.
If we have multiple filters impleted, what is the order in which these filters get implemented? Ans) 1. Authorization filters 2. Response filters 3. Action filters
Why can CRC detect more errors than simple Checksum? There are two purposes a CRC can identify more errors than a simple Checksum. 1. Since an input bit is shifted by all th
Problem: (a) IEEE802.11 supports two types of network architecture, describe these architectures with the support of diagrams detailing the network components. (b) The MAC
explain associative mapping
What is a heap? The heap is an area of memory that is dynamically allocated. As a stack, this may grow and shrink throughout runtime. Not like a stack, a heap is not LIFO show
File Menu: Under it there are New, Save, Save as, Save as template, Import, Export, Preview in browser etc. options. Edit Menu: In this menu there are Cut, Copy, Paste, Undo,
Byteland county is very famous for luminous jewels. Luminous jewels are used in making beautiful necklaces. A necklace consists of various luminous jewels of particular colour. Nec
What are batch systems? Batch systems are quite appropriate for implementing large jobs that need little interaction. The user can submit jobs and return later for the results
What are the Disadvantages of a VPN implementation The greatest disadvantage of a VPN implementation is its non-flexibility to accept unknown locations. VPN works extremely wel
Super scalar architecture Pentium microprocessor is organized with three execution units. One executes floating-point instructions and other two (U-pipe and V-pipe) execute in
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