Answer:
Answers explained with appropriate comments
Explanation:
1. seekp() //the seekp sets the position where the next character is to be //inserted into the output stream.
2. fstream //fstream is used for input and output for files
//just like iostream for input and output data
3. tellp(); //tellp returns the "put" or write position of the file.
4. ios::ate //ate meaning at the end, sets the file output at the file end
5. binary files //binary files only store 0s and 1s
6. seekg() //seekg is used to move write position of the file
7. put //this is used to "put" or set records or arrays to a single file
8. std::ws
, skips //the std::ws is used to discard leading whitespace from an //input stream
9. peek //this looks at the next character in the input sequence
10. get, peak //get and peek do not skip leading whitespace characters
Answer:
Data Flow Diagram
Explanation:
Data flow diagram is representation of data which is processed in terms of input and output.It is a tool for designing the structure for a software.Rectangles,square and circles are used in representing the flow of information.
DFD consists two components
- Layers-It consist many layers,the top layer is called context diagram.
- Levels-The first level shows the main process of the system.
Answer:
Answered below
Explanation:
Coaxial cables weaknesses include; fluctuation of speed during heavy use, leaks at the point of connection and signal loss over long distances. Twisted pair cables are not durable enough and are susceptible to interference. Fibre optic cables are costly and need expertise to install.
Hacked or compromised routers can be infected with malwares that reroutes users to spam sites and also to ddos attacks.
Steps to protect cable networks include; network encryption, physical security, VPN usage, updating networks, auditing and mapping.
