Real Study Cards 2 Flashcards
A device that forwards data from one network to another based on their IP address.
Router
A cloud computing service that enables a consumer to outsource computing equipment purchases and run their own data center.
Infrastructure as a Service (IaaS)
QoS
Quality of Service
Using a network protocol to prioritize certain traffic types over others
Quality of Service (QoS)
Contains a braided foil shield around the inner cabling to protect the data from the effects of electromagnetic interference (EMI)
Shielded Twisted Cable (STP)
Used to test a port
Loopback plug
Which is the best RAID option to help ensure there is no unscheduled downtime, no data loss, and best speed/performance?
RAID 10
RAID
Redundant Array of Independent Disks
SSID
Service Set Identifier (Network/Wi-Fi name)
PRI
PRL
Preferred Roaming Index
Preferred Roaming List
An index that provides the best data/voice quality to a phone while roaming
Preferred Roaming Index
A database built by CDMA service carriers to indicate which radio bands should be used when connecting to a cell tower
Preferred Roaming Index
NAS
SAN
Network-Attached Storage
Storage Area Network
What is the minimum disks needed for RAID 0, 1, 5, and 10?
RAID 0: 2
RAID 1: 2
RAID 5: 3
RAID 10: 4
Which RAIDs ensure the data is fault tolerant?
RAID 1, RAID, 5, and RAID 10
What are the 7 steps in the Network Troubleshooting Methodology?
- Identify the problem
- Establish a theory or probable cause
- Test the theory to determine the cause
- Establish a plan of action to resolve the problem and identify potential effects
- Implement the solution or escalate as necessary
- Verify full system functionality and if applicable implement preventative measures
- Document findings, actions, outcomes, and lessons learned
What is the simplest and most cost-efficient way to allow other network users to access a printer if the printer does now have an RJ-45 or Wi-Fi adapter available?
Establish a print share on the local host
VT
Virtualization Technology
Virtualization technology supported by most modern Intel processors
Virtualization Technology (VT)
What is it called when the top of a projected image is wider or narrower than the bottom of the image?
Keystone effecct
What is the IP address of a router to which packets destined for a remote network should be sent by default?
Gateway
RDP
Remote Desktop Protocol
PoE
Power over Ethernet
What command is used to test if your own network card’s driver is working properly?
127.0.0.1
Is used to distribute traffic across multiple sets of devices or connections to increase the overall efficiency of the network and its data processing. Optimized the response time and avoids unevenly overloading some compute nodes while others are idle.
Load Balancing
The manipulation and prioritization of network traffic to reduce the impact of heavy users or machines from affecting other users.
Traffic Shaping
The ability of a system to continue operating without interruption when one or more of its components fail
Fault Tolerance
A process that creates and runs Virtual Machines (VMs). Allows one host computer to support multiple guest Virtual Machines (VMs) by virtually sharing its resources, like memory and processing.
Hypervisor
PCIe
Peripheral Component Interconnect Express
SODIMM
Small Outline Dual Inline Memory Module
Laptops and integrated PCs usually use what type of memory?
Small Outline Dual Inline Memory Module (SODIMM)
Virtual machines can have their network configured as ______________ to prevent them from communication with the internet.
Internal
A type of printer that pushes a ribbon against paper to create the image or text using a series of dots. These printers are most commonly used when multipole copies of a document must be created (and signed) at once.
Impact (Dot-Matrix) Printer
Networking hardware used to create network infrastructures within the cloud
Software-Defined Networking
What printing material does a 3-D printer use to create the object(s) being printed?
Filament
What printing material does a Laser printer use to create the printings?
Toner
What printing material does a Inkjet printer use to create the pritings?
Inkjet Cartridge
Which two network standards allow Power over Ethernet (PoE)?
802.11af
802.11at
What is the maximum watts a 802.11af PoE can support?
15.4W
What is the maximum watts a 802.11at PoE can support?
25W
Automatic Private Internet Protocol Addressing (APIPA) uses any address ranging from _________ to __________.
169.254.1.0 to 169.254.254.255
A localhost IP address is
127.0.0.1
Wireless Access Points that run 2.4 GHz frequencies use channels between ____ and ____.
1 and 11
To prevent overlapping of channels on the 2.4 GHz frequencies of a Wireless Access Point, you should select channels
1, 6, and 11
What network device is used to link dissimilar networks such as connecting a Local Area Network (LAN) to the Wide Area Network (WAN)
Router
What is an RS-232/DB-9?
A legacy serial port that was replaced by USBs
Which cellular technology was not widely used outside of the United States?
Code Division Multiple Access (CDMA)
What is the difference between a Type 1 and a Type 2 hypervisor?
Type 1 hypervisors run directly off of a computers hardware.
Type 2 hypervisors run on top of an operating system.
S.M.A.R.T.
Self-Monitoring and Repair Tool
Self-Monitoring and Repair Tool (S.M.A.R.T.) is a feature in what device(s)?
Hard Disk Drives (HDD)
CLI
Command Line Interface
Which cloud model allows for the seamless integration of both onsite and cloud services to the end-user simultaneously?
Hybrid Cloud
Which component of a printer enables it to use both sides of a page automatically?
Duplexing Assembly
Which component of a color laser printer is used to combine the 4 colors before printing them to the paper in one pass?
Transfer Belt
What is the maximum storage space a Blue-Ray Disc Recordable (BD-R) can have?
Up to 25 GB
What is the maximum storage space a Compact Disc-Rewritable (CD-RW) can have?
Up to 700 MB
What is the maximum storage space a Digital Video Disc (DVD) can have?
Up to 4.7 GB
