Networking basics Flashcards
What is a host
Any computer connected to a network
What is a client
Any computer requesting information
What is a resource
Items to be shared between hosts
What are two webserver programs
IIS - Internet Information services
Apache
What is a Network Interface Controller?
The new name for a NIC. Network interface CARD is used to describe an externally added card, whereas a controller is part of the motherboard.
What do NICs do?
Process and construct frames
What is the length of mac addresses?
48-bits long
What is a frame’s CRC?
Cylic redundancy check - a method of ensuring the correct delivery order of frames
What is the basic structure of a frame?
MAC TO, MAC FROM, DATA, CRC
What does 100BaseT mean
100 mbps, over baseband (one signal at a time) using the twisted pair media.
True or false: Switches remember their client’s mac addresses and deliver information using them
True
What is cat 1 used for
Telephones
What is the speed of cat 3
10mbps networks
What is the speed of cat 5 and 5e
100 and 100-1000
What is the speed of cat 6 and 6a
1000-10GBPS, 10GBPS
When would you require shielded twisted pair?
When interference is likely. Ex: A shop floor with lots of lights.
Can you use a Cat 5 connector with a cat 6 cable?
Noh
True or false: PVC cabling is fire safety cabling
False.
What is the TIA568B standard order
OW, O, GW, B, BW, G, BW, B
What is the main requirement for a crossover cable to work?
Opposite terminations on each end
True or false: Fiber is half-duplex
True
True or false: You only need one fiber connection per interface
False, you need two, as half-duplexing means you need one to send and one to receive
Name one fiber cable type that comes with two cables, allowing you to only need one run for your fiber?
LC
What light type is used for multi-mode fiber?
LED
What light type is used for singlemode fiber?
Laser
What three cmds can you use if you suspect you’re having DHCP problems or have an APIPA address?
ipconfig /release
ipconfig /renew
ipconfig /flushdns
True or false: Fiber optic cables can connect to any switch
False: Fiber cables require Fiber compatible switches
What is roughly the max distance of multimode fiber
600m
What is an application of coax cabling?
Cable modems
What is missing. A coax cable has an outer jacket, ______, a shield, and the solid core.
Braided coating
Which is the thicc and thin between rg 59 and rg 6
59 is thin and short range
6 is thicc
What are two coaxial plug types?
BNC, F-type
What is a broadcast domain?
Any computers on a network that can hear one another’s broadcasts.
Do broadcasts go through switches?
Yes
What is a network bridge
A network bridge is a device that divides a network into segments. Each segment represent a separate collision domain.
What are the three areas of a LAN within an office building?
Telecommunications room
Horizontal Run
Work area
What is a single horizontal cable called?
A run
What is a benefit and drawback of solid core?
Pro: Better performance
Con: Non-flexible, breaks easier.
Commonly used in horizontal runs.
What is a benefit and drawback of stranded core.
Pro: Flexible
Con: Lacks performance compared to solid core.
Stranded core is many smaller wires.
How many inches is a U?
1.75 inches
A patch panel contains a ___ punchdown block
110
