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35 Cards in this Set
- Front
- Back
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How to locate mac address |
ipconfig /all (it will be listed as physical address) |
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List three characteristics of a mac address |
Unique 48-bit (6-byte) number hard-coded on card by manufacturer Hexadecimal format Identifies adapter on the network |
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List four Ethernet types (categorized by speed) |
◦10-Mbps= Ethernet ◦100-Mbps= FastEthernet ◦1000-Mbps=Gigabit Ethernet ◦10-Gigabit Ethernet |
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Crimping tool is used for? |
Putting an RJ-45 end on twisted pair |
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How many wires are in a cat5 cable? |
8 |
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What is the color sequence for T568A? |
GRS,GR ORS,BL,BLS,O,SBR,BR |
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What is the color sequence for T568B? |
ORS,OR,GRS,BL,BLS,GR,BRS,BR |
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PC TO PC connection using Ethernet is called what type of connection? |
AD-HOC conection |
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PoE stands for? |
Power Over Ethernet |
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Micro scanner is used for? |
End to End testing of Ethernet cables |
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Tie Domain Reflectometer (TDR) is used for what? |
Used to find breaks in fiber optic cable |
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Toner Probes are used for? |
◦ Toner probe assists you in finding the right cable when they are not labeled Allows you to physically map out a network that isn’t labeled |
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◦Half-duplex(Hub) |
Traffic only travels in one direction at a time |
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◦Full-duplex(Switch) |
Traffic simultaneously travels in both directions Faster and better throughput (bandwidth |
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◦QoS(Quality of Service) |
Prioritize network traffic for more critical tasks VoIP,video, etc. |
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Session Initiation Protocol (SIP) |
Is a signaling protocol used for controlling communications sessions for VOIP |
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Real-time Transport Protocol (RTP) |
Opens two ports for communication |
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Bandwidth |
Data transmission rate |
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Latency |
Delays in network transmissions |
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Flat network |
◦Networkis built like it is on one massive switch |
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LayeredNetwork |
◦Three Main Layers Core Layer Fast routers Distribution Layer Printers ,servers, routers, and switches Access Layer Switches and wireless access points ◦Better performance, allows for a growing network |
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What is the diffence between a router and switch |
Routers use ip addresses and switches use mac address. Switch is internal and routers are for external traffic (to the internet) |
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Does satellite need line of sight? |
Yes |
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Breakdown the first octet of IPv4 172.16.20.70 into binary form |
10101100 |
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IP4 data packet header includes what type of data? |
Source and destination address info |
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IP4 data packet Trailer includes what type of data? |
May contain information for the handling of the data block, or just mark its end |
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ipconfig /all |
Provides additional information like DNS, DHCP lease information, and MAC Address |
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ipconfig/release |
Releases the IP address so that you can attempt to reconnect with the DHCP server |
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ipconfig/renew |
Starts the DORA process and attempts to retrieve an IP address from a DHCP server |
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ipconfig /flushdns |
Flushes the DNS cache on the PC in order to clear out any invalid entries |
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ipconfig /registerdns |
Updates DNS settings on the PC and initiates communication with the DNS Server |
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Steps to troubleshooting No connectivity |
◦Check cables on a wired network ◦Check signal strength on a wireless network ◦APIPA(Automatic Private IP Addressing)169.x.x.x |
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Steps to troubleshooting Limited connectivity |
◦Check servers and router |
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Steps to troubleshooting Local connectivity |
◦Check firewall |
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Steps to troubleshooting Intermittent connectivity |
◦Check all hardware possibilities ◦If wireless, check for interference |
