This blog post outlines several questions which might be asked from someone in an interview for a position that involves either writing code for network applications or managing a team of people writing network programming code.
The questions listed here are worth reading and knowing the answers to these questions in general means you have a sound top level understanding of computer networks work.
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1. A host is a machine that is hosting a software capable of communicating over the network. Yes/No?
2. A host is identified by an IP Address which is unique inside a network. Yes/No?
3. In enterprise scenarios, a host name is translated into an IP address by a server called:
- DHCP Server
- LDAP Server
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5. We find the IP Address of our computer using a DOS command which is
- ipconfig /all
- ipconfig /flushdns
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6. Every computer contains a finite number of ports which is
7. The client process and the server process must be running on two different machines.
8. A pair of an IP address and a port number is used by the server process to listen for incoming connection requests, this pair is called an __???__
9. A client processes's attempt to connect with a server process can fail for various reasons including
- Windows firewall has blocked the client process or server process from using the network.
- Server IP address supplied to the client is wrong
- The server process is not started at all
- All of above
10. Telnet is a free utility, it is always enabled on every PC. Yes/No?
11. We will enable Telnet __???__ from the "Add Remove Programs" dialog "Turn Windows features on or off"
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