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Flashcards

Networking Hardware

Nevaeh Dickerson Cyber 12th grade English 46 cards

Cards in this deck (46)

  1. 1What does a network switch use to direct traffic within a network? What must the switch do?MAC addresses
    - first a switch must learn the MAC addresses of the devices connected
  2. 2What is a MAC address?The hardware address of a device
  3. 3What are the transmission speeds of Switches?10Mbps
    100Mbps
    1Gbps
    10Gbps
  4. 4What transmission speed does fast ethernet run on? Gigabit ethernet?Fast ethernet: 100 Mbps
    Gigabit Ethernet: 1Gbps
  5. 5What do the color of the LED lights on a switch indicate?Yellow: connection is less than full speed
    Green: connection is at full speed
  6. 6The speed of any network is only as fast as the ...?slowest device connected
  7. 7What is an uplink port?a special port on a switch that connects one switch to another
  8. 8What are the two unique characteristics of uplink ports?- They are faster than other ports
    - designed to handle both straight through and crossover cables
  9. 9What kind of cables are normally used to connect switches together?crossover cables
  10. 10What is another name fro uplink ports?Medium Dependent Interface ports (MDI)
  11. 11What are the two kinds of switches?Managed and Unmanaged
  12. 12What is a managed switch?a switch that can be configured
    - usually supports vlans
  13. 13What is an unmanaged switch?AKA plug and play switch
    - no configuration is needed
  14. 14What is a trunk line in VLANs?the connection between a switch to the original switch in a VLAN setup
  15. 15What is a layer 2 switch?a switch that learns MAC addresses and and use it to send traffic to a device
  16. 16What is one thing a Layer 2 switches does not do?route traffic
  17. 17What is a layer 3 switch?- a router
    - AKA multilayer switch
    - uses ip address to route traffic between networks
  18. 18What do switches use to learn MAC addresses of devices connected?MAC address tables
  19. 19What happens to MAC address tables entries if there is no traffic on the connection.they're erased
  20. 20What is one thing you can control on a managed switch?the number of MAC addresses each switch will memorize per switch port
  21. 21What is Redundancy?having multiple devices of the same setup so that if one device fails, the other can takeover
  22. 22What is a perk of Redundancy? What is load balancing?- Load balancing
    - load balancing is having multiple devices share a workload so that overall performance can increase
  23. 23What is backplane?The total throughput a switch is capable of at any given time
  24. 24How do you calculate backplane speed?multiply the number of ports, with the transmission speed
  25. 25What are the two main methods Switches use to send data?Store and forward
  26. 26What is the store-and-froward method for sending data?- older method
    - a switch will receive an entire data frame, check for errors, then forward the frame
    -
  27. 27What is the store-and-froward method for sending data?newer method
    - a switch needs to know the frame header that has the destination MAC address then sends the frame
  28. 28Before switches were popular what were used?Hubs
  29. 29How do hubs work?took signals and sent them out to all the devices connected to it, leaving the devices to figure out who the data is for
    - have no idea who's MAC Addresses
    - they still are usefull as repeaters
  30. 30What is one issue that can occur with switches?loops can occur
    - physical: when a device is accidently pluged into itself
    - not physical: recieving multiple copies of the same data fram
  31. 31What protocol prevents loops from ocuring in switches?spanning tree protocol (STP)
  32. 32How does spanning tree protocol (STP) work?it uses a spanning tree algorithm known as STA, to search, find, then destroy redundant links
    - the links are found by transmitting bridge protocol data units (BPDUs)
  33. 33Routers can only transmit data as fast as the ....?media connected to it
  34. 34What is a directly connected route?a direct connection between two routers
  35. 35Is static routing commonly used?No, only in special scenarios
  36. 36What is the default protocol for default routing?TCPIP
  37. 37What are two other routing protocols?RIP
    OSPF
  38. 38What is RIP?Routing Information Protocol
    - distance-vector protocol
    - uses hop counts to determine the best route for data packets
    - does not take speed into consideration
  39. 39What is OSPF?Open Shortest Path First
    - link-state protocol
    - uses hops and speed to determine best route
  40. 40What is the IP for the default route?0.0.0.0
  41. 41What does the metric column of a routing table indeicate.The quality of the route
    - a lower number is a better route
  42. 42What is the biggest concern with routing tables?their size
    - if the table becomes to big it can affect the router
  43. 43What do routing tables use for storage?RAM
  44. 44Which routing protocol uses little router memory?RIP
  45. 45Which routing protocol uses significant router memory?BGP
  46. 46What is convergance?a root bridge router that learns the entire network and then distributes that topology to the remaining routers on the network

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Description
12th grade Cyber (Networking GMetrix) Flashcards on Networking Hardware, created by Nevaeh Dickerson on 06/05/2025.
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