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What are the key elements of protocols?
The key elements of protocols are
a. Syntax
It refers to the structure or format of the data that is the order in which they are shown.
b. Semantics
It refers to the meaning of every section of bits.
c. Timing
Timing refers to two characteristics: When data should be sent and how fast they can be sent.
Responses Responses are sent from the server to the client. A responses is a three digit code that may be followed by additional textual information.
Efficiency of a data communications system depends on three fundamental characteristics - Delivery: The system should deliver data to the correct destination. Data should be r
use of go back n protocal
To accept its goals, ATM uses fixed, small sized packets known cells. Every cell has 53 octets. VPI/VCI fields shows the cells destination. PRIO say if cell can be discarded CRC
VPN Technology For an organization VPN technology uses some main techniques for privacy a.Encryption /Authentication b.Tunnelling c.Fire walls
PING - Packet Internet Gopher A utility that shows connections to one or more remote hosts. The ping command uses the ICMP echo request and echo reply packets to verify whether
Routers The network layer (also called layer3) manages device addressing tracks the location of devices on the network and determines the best way to move data. Which
To monitor ipx traffic on a network, what command would we use? Ans) show ipx traffic
Operating system for Clients All of the clients running popular operating systems such as Microsoft Windows, Mac OS, UNIX, etc., could be used to function as backbone software
Q. What are the Local Network Security Issues? Local Network Security Issues Password Protection - Encrypted username & password Group/Owner ID's - File Permissi
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