CSC 651 - System Administration Review Questions with complete Solutions Graded A+
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Course
System Administration
Institution
System Administration
CSC 651 - System Administration Review Questions with complete Solutions Graded A+
Who invented the internet? - Answers
Who invented the World wide Web? - Answers Tim Berners-Lee
HTTP - Answers Hypertext Transfer Protocol
HTTPS - Answers Hypertext Transfer Protocol Secure
ICANN - Answers Inte...
What is a switch? - Answers A switch is a network device which creates a *separate collision domain on
each port*, while remaining within a single broadcast domain.
What is a hub? - Answers Common connection point for devices in a network
What is a modem? What does it do? - Answers a modulator-demodulator, which allows information to
be moved across a telephone line
FTP - Answers File Transfer Protocol
UDP - Answers User Datagram Protocol. Used instead of TCP when guaranteed delivery of each packet is
not necessary. UDP uses a best-effort delivery mechanism.
TCP - Answers Transmission Control Protocol - provides reliable, ordered, and error-checked delivery of
a stream of packets on the internet. TCP is tightly linked with IP and usually seen as TCP/IP in writing.
IETF - Answers Internet Engineering Task Force - develops and promotes voluntary Internet standards
and protocols, in particular the standards that comprise the Internet protocol suite (TCP/IP).
OSI Model - Answers Open Systems Interconnection Model
OSI Layers (1 to 7) - Answers 1. Physical
2. Data Link
3. Network
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