25B Networking Fundamentals Exam Study Guide questions with accurate answers

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25B Networking Fundamentals Exam Study Guide questions
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with accurate answers || ||




Wifi Frequency? - ✔✔802.11
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Bluetooth Frequency? - ✔✔802.15 || || ||




Difference between an STP & UTP? - ✔✔STP = more expensive, uses RJ-45 connector, and
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has an extra layer.
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UTP = cheap, terminated with RJ-45 connectors.
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Things commonly wrong with the Switch when Troubleshooting - ✔✔-Trunking
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-Interface IP's ||




-Port security ||




Things commonly wrong with the Router when Troubleshooting - ✔✔-Ospf
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-IP helper address
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-Shut interfaces ||




Singlemode fiber - ✔✔Uses lasers || || || ||




Multimode fiber - ✔✔Uses LED's || || || ||




F Type - ✔✔Coax connector
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The capacity at which a medium can carry data - ✔✔Bandwidth
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Max # of ports in PAT (NAT) - ✔✔65,535
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Difference between PAT & Dynamic - ✔✔Overload || || || || || ||




A passive-interface should never connect between 2 what? - ✔✔Routers
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What is on a RAM? - ✔✔-IOS
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-Routing Table ||




The PHYSICAL LAYER addresses which 3 functional areas? - ✔✔-Physical components
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-Encoding

-Signaling



3 types of COPPER cabling. - ✔✔-UTP
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-STP

-Coax



2 ways a ROUTER learns about remote networks. - ✔✔-Manually
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-Dynamically



2 types of static routes. - ✔✔-Default
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-Static



What 2 things does NAT do? - ✔✔-Secures
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