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Showing posts from September, 2021

Sales KPIs

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  SALES KPI TO ACHIEVE BUSSINESS GOALS     TO BOOST SALE   ·           Year-over-year sales YoY Sale) ·           Conversion rate (CR) ·           Average order value (AOV) ·           Basket size     TO STRENGTHEN CUSTOMER EXPERIENCE   ·           conversion rate (CR) ·           average order value (AOV) ·           basket size ·           customer retention rate (CRR)     TO Reduce stock-outs   ·           Inventory turnover (ITR) ·           Sell-through rate (STR) ·           Shrinkage     TO Optimize profits   ·           Cost of goods sold (COGS) ·           Gross profit (GP) ·           Net profit (NP) ·           RETURN ON SALE (RoS) ·           Gross margins return on investment (GMROI)     A FEW SALES KPI EXPLAINED IN SHORT   COGS   Measuring your COGS is essential to achieving  profitability . If you know how much you spent to acquire or produce your products, you can set prices that are  competitive , but that also offset your expenses.   average order valu
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Wireshark and its Filters

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  Powerful Wireshark Filters ip.addr == x.x.x.x ip.src == x.x.x.x ip.dst == x.x.x.x ip.addr == x.x.x.x && ip.addr == x.x.x.x  ip.src == xxxx && ip.dst == xxxx http or dns tcp.port==xxx udp.port==xxx tcp.srcport==80 && tcp.dstport==80 tcp contains xxx e.g.   tcp contains google http.request tcp.port eq 25 or icmp
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what is a port in network?

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  A port is a virtual point where network connections start and end.  Ports are software-based and managed by a computer's operating system .  A port is associated with a specific process or service (Internet Browsing, Email, VoIP etc.) Ports allow a single host  with a single IP address to run network services.  Each port number identifies a distinct service . Each host can have 65535 ports per IP address.  Ports are regulated by the Internet Corporation for Assigning Names and Numbers ( ICANN ).  By ICANN there are three categories for ports: From 0 to 1023 – well known ports assigned to common protocols and services From 1024 to 49151 – registered ports assigned by ICANN to a specific service From 49152 to 65 535 – dynamic (private, high) ports range from 49,152 to 65,535. Ports can be used by any service on an ad hoc basis .  Ports are assigned when a session is  established , and released when the session ends. Well-Known Ports Are:
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OSI MODEL Vs TCP-IP MODEL

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TCP/IP and OSI are the 2 most widely used networking models for communication.  OSI is a conceptual model which is not practically used for communication. TCP/IP is used for establishing a connection and communicating through the network. OSI model mainly emphasis on the services, interfaces and protocols . TCP model is not able to distinctly describe the above concepts. TCP/IP enables  Only connectionless ( UDP ) communication mode in the network layer . Connectionless ( UDP ) and connection-oriented ( TCP ) in the transport layer . OSI model enables Supports UDP and TCP communication over the network layer . In Transport layer, TCP communication is merely allowed.
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