Final Exam Review Flashcards
Apipa
stands for Automatic Private IP Addressing (APIPA). It is a feature or characteristic in operating systems (eg. Windows) which enables computers to self-configure an IP address and subnet mask automatically when their DHCP(Dynamic Host Configuration Protocol) (Ip address cant be found) server isn’t reachable.
DMZ (demilitarized zone)
VPA esc used to protect a company’s internal lan from untrusted traffic
DVI port types
bronze end- connects a video source to a monitor
Fault tolerance
operating system still runs when system fails
Interface standard
is a standard that describes one or more functional characteristics or physical characteristics necessary to allow the exchange of information between two or more systems or pieces of equipment.
CDFS (compact disc file system
is a type of file system used to burn data onto CDs.
Internet Protocol version 6 (IPv6)
is the most recent version of the Internet Protocol (IP), the communications protocol that provides an identification and location system for computers on networks and routes traffic across the Internet.
Loopback plug
A connector used for diagnosing transmission problems
Mac Address
Like an ip address for macs
multiple virtual envionrments
a game
NTFS (New Technology File System)
used for storing, organizing, and finding files on a hard disk drive efficiently
Pixel Pitch
Pixel pitch is the distance (usually in millimeters) between pixels.
dead pixels
defecitve pixels on an lcd that are not performing as expeced
Laser printer
They work by placing toner on an electrically charged rotating drum called the imaging drum, transferring the toner onto paper as the paper moves through the system, and then fusing the toner to the paper.
The seven steps of progressive laser printing
- processing
- charging
- exposing
- developing
- transferring
- fusing
- cleaning
Inkjet printer
uses a type of ink-dispersion printing and doesn’t normally provide the high-quality resolution of laser printers
Impact printer
An impact printer creates a printed page by using some mechanism that touches or hits the paper.
Dot matrix printer
The best-known impact printer, which prints only text that it receives as raw data. Uses pins to shoot again a cloth ribbon.
Thermal printers
Use heat to create an image
Direct thermal printer
Burns dots on thermal paper
Thermal transfer paper
melts a ribbon onto special thermal paper
Rj45
Jacks used in netowrking
RJ11
cable connector used in telephone sets
S.M.A.R.T (Self Monitoring Analysis and reporting Technology)
Used to predict when a drive is likely to fail
Which rotation speed is not a typical spindle rotation speed for magnetic hard drives?
3200
Sata 6 gb/s standard is know by what other name
sata III
Describe a sata cable
long, with 7 pins
Sata III
also known as Sata 6 gb/s
What does satellite connection require?
line of sight connectivity
scalable services
Scalability means that as the load offered to a service increases, a data service can add new stuff without worry
Solid state-drive
Memory does not lose its data even after the power is turned off. holds
a 0 or 1 state according to a logic test called NAND. (NAND flash memory)
Spanning
Filters. A storage technology that involves the use of a number of external physical hard drives organized into a single logical drive.
Difference between SSH and SFTP
SSH (Secure Shell)
creates a secure connection when you log in to a remote computer..
SFTP (Secure file transfer Protocol) uses ssh and provides a secure way to transfer files between computers
Terminating an installation
ctrl, shift, esc to task manager, processes tab, right click and end task
Type 1 and type 2 hypervisor difference
type 1 runs on bare metal.
type 2 runs on top of an OS
ipv4 and ipv6 differences
ipvs uses a 32-bit address
ipv6 uses 128-bit internet addresses
net use
command line method of mapping network drives to your local computer
What is KVM
(Kernel-based Virutal Machine)
an open source virtualization technology built into Linux. can run multiple virtual environments called guests.
List all types of network connections and what they cover
PAN (personal area netowork) cell phones and laptop computers. bluetooth
LAN (local area network) home, office,
WMN (wireless mesh network) many devices connecting with each other
MAN (Metropolitan area network) covers multiple buildings in a large campus or downtown
WAN (wide area network) covers a large geographical area. The Internet
Worm Drive
“write once, read many”
data can be written only once to any area of the file and can never be overwritten or erased before the retention period expires.
SDSL (Symmetric digital subscriber line)
Stands for “Symmetric Digital Subscriber Line.” SDSL is a type of of DSL, which is used for transferring data over copper telephone lines.
SSID (Service Set Identifier)
32-character sequence that is the name of a wireless network
what is TCP (transmission COntrol Protoclo)
(Transmission Control Protocol)
A standard that defines how to establish and maintain a network conversation through which application programs can exchange data.
what is SMTP used for?
(Simple Mail Transfer Protocol)
is used for sending and recieving e-mail between e-mail clients and servers
What is used to connect segments of the same network?
A bridge
What does an emulator do
Lets you run software form a completely different device on your computer.
What is parity
Technique that checks whether data has been lost or written over when it is moved between computers
Barcode reader is used by what?
A retail company to help keep track of inventory and check customers out faster?
What is Zero Insertion Force
ZIF
is a cpu socket on a motherboard that allows for an easy upgrade or replacement of a processor
What RAID’s are used for striping and mirroring and what is their combinations?
Raid 0 (striping) Raid 1 (mirroring Raid 01 (mirroring stripe sets) RAID 10 (Striping of mirrors)
What RAID’S are used for distributed parity and dual parity
RAID 5 distributed parity
RAID 6 Dual parity
What is an Intrusion Prevention System?
(IPS)
form of network security that works to detect and prevent identified threats
No operating system
Used when a PC is offered is for sale but its just the hardware.
What is a FQDN
(Fully Qualified Domain Name)
The complete domain name for a specific computer, or host, on the internet.
Hostname and domain name
How many byte sectors do magnetic hard drives use?
4096
magnetic drives have larger capacity for the money than solid state drives.
t or f
true
SSDs are less expensive than magnetic hard drives
t or f
false
What is NVMe RAM?
(nonvolative memory express)
storage access and transport protocol for flash and next-gen SSDs. Delivers highest throughput and fastest response times
Windows print command
ctrl + p
What is an optical drive?
made to play discs like CDs, DVDs, and Blue-rays.
How to Troubleshoot Display or Video Issues on a Monitor
Verify display or video issue on a known-good monitor. …
Check for physical damages. …
Verify display or video issue in Windows Safe Mode. …
Update the video card (GPU) driver, monitor driver, chipset driver & BIOS. …
Download and install Microsoft Windows updates. …
Change the video or display settings and adjust the brightness.
What is Logical Block Addressing?
LBA
is a common scheme used for specifying the location of blocks of data stored on computer storage devices
What is an I/O port?
A memory address used by software to communicate with hardware on your computer.
What is an I/O Connector?
I/O Connector is an electrical connector that provides secure electrical contact and smooth cable insertion/extraction for high speed data transmission.
What is the windows print spooler?
The Print Spooler is software built into the Windows operating system its like a printing queue.
What is Telnet used for?
To test or troubleshoot remote web or mail servers.
What is POP3 used for?
(Post Office Protocol 3)
is the most recent version of a standard protocol for receiving e-mail.
What is IMAP4?
Internet Message Access Protocol
The most recent IMAP client/server protocol in which email is received and held for you by your internet server
what is SMTP?
Simple Mail transfer Protocol way to send and receive emails
What is punchdown tool?
the punch down tool is a small hand tool most often used by telecom and data network technicians to install wiring for telephone, computer and various audio networks.
what is ipconfig
to check ip address
what is ifconfig
you can view and change your network settings
printui
used to chane print settings
Tracert
sends a ping, used to test connection
Bootrec
used to correct boot problems
Full duplex
two way communication
what is a toner probe
Sends a signal down a circuit so the technician can identify a cable
what is Rapid elasticity
is a cloud computing term for scalable provisioning, or the ability to provide scalable services
what is client-side virtualization
runs images from central servers connected to desktops via a remote desktop protocol
