The Server in a Network Flashcards
Name two selection considerations when buying a server. List two types of modules that permit hot swaps. Discuss three installation options. Explain the characteristics of nine different application servers.
What is a server?
A computer on a network that automatically delivers information to other computers
What are the basic hardware components of clients and servers?
- RAM (available memory)
- Storage area
- Motherboard (contains main processor(s))
What type of memory is crucial for server performance?
Dynamic memory (DRAM)
What is the difference between storage and memory?
RAM data is readily accessible, while hard drive data must be moved to RAM
What is a swap file?
A file that stores overflow data from RAM on the hard drive
What is Moore’s Law?
The prediction that the number of transistors on a microchip doubles approximately every two years
What factors guide the choice of hardware for a server?
- Must the server run all the time?
- How many people will try to use the server at the same time?
What is thermal computing?
A method of using variations of heat to represent bits of data
What is a redundant power supply?
A power supply system with extra parts to reduce the risks of failure
What is a hot swap?
Replacing a failed power supply module without turning off the server
What is mirroring in the context of hard drives?
Writing the same information to two or more hard drives at the same time
What does RAID stand for?
Redundant Array of Inexpensive (or Independent) Disks
What is the difference between RAID1 and RAID5?
RAID1 uses mirroring, while RAID5 uses striping with parity information
What is partitioning in server installation?
Dividing a hard drive into separate sections for different purposes
True or False: Servers should always have GUIs for ease of use.
False
What is the function of an email server?
To manage and store email communications
What protocol does MS Exchange use for email?
It works like an ordinary database server with adaptations for managing email
What is the Kerberos protocol used for?
To produce a ticket for user authentication without sending the password over the network
What is an FTP server?
An Internet file server that uses the FTP protocol
What is the role of a web server?
To issue web pages to client servers
What does CGI stand for?
Common Gateway Interface
Fill in the blank: A _______ organizes information and allows for various reporting formats.
[database]
What are the two main parts of a database?
- The database (where information is stored)
- The interface (where information is entered and displayed)
What is the function of authentication servers?
To verify user credentials and manage access to the network
What are the three popular database programs for servers?
- MySQL
- Microsoft SQL
- Oracle
What is a file server?
A server that sends a user one file that appears in the client’s Web browser as a page
What is the role of CGI in web servers?
Acts as an intermediary between the client’s browser and the Web server
What popular software is used to run a website?
Apache
What is a streaming media server?
A server that allows a client computer to run a file on playback software
What is the purpose of buffering in streaming media?
To store the arriving stream in RAM or a swap file
Fill in the blank: Streaming protocols include _____ to manage bandwidth demands.
load balancing features
What protocols are used in streaming media?
- Real Time Protocol (RTP)
- Real Time Streaming Protocol (RTSP)
- Real Time Transport Control Protocol (RTCP)
What is a remote access server?
A server that connects a user coming into the network from the Internet
What is the secure protocol commonly used by remote access servers?
HTTPS
True or False: Modern printers do not have their own operating systems.
False
What is the function of print servers?
To manage which printers a computer can access
Fill in the blank: Print servers are usually installed on the _____ themselves.
printers
