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56 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Port Number Range |
0 to 65,535 |
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What are the well known and reserved ports |
0 to 1023 |
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What are ephemeral ports and the range |
1024 to 65,535 |
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Which is the thicker coaxial cable, RG6 or RG59? |
RG6 |
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What is DB9 and DB25 used for? |
Serial connector for external modems and use RS232 signaling |
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What is a straight through cable? |
Both ends have matching cable pin out. Used to connect DTE to DCE. |
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List how a T568B cable is pinned, 1 to 8. |
White/Orange, Orange, White/Green, Blue, White/Blue, Green, White/Brown, Brown. |
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What is a crossover cable? |
Send and receive pins are swapped out. Used when connecting 2 like DCE or DTE pieces of equipment. |
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What do you switch for a crossover cable? |
Pins 1, 2, 3, and 6. Becomes: White/Green, Green, White/Orange, Blue, White/Blue, Orange, White/Brown, Brown |
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What is a Plenum cable? |
Has a fire retardant outer insulator. For cables you can't see. |
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What is Multimode Fiber used for? |
Used for shorter distances than single mode fiber. Has a larger core size for multiple modes of travel. |
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What is Single Mode Fiber used for? |
Longer distances. Smaller core size. Light travels one way. |
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What is another name for SC Connector? |
Stick and Click. |
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What is another name for ST Connector? |
Stick and Twist |
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What is another name for LC connector? |
Two SC connectors, like in love. |
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What is another name for MTRJ connector? |
Smaller LC. |
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What is 802.3ad? |
Link Aggregation. Combine multiple ports into one virtual port. Two 100Mb to make One 200Mb |
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What is 802.3af? |
Power over Ethernert. 15.4 watts |
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What is 802.3at? |
Power of Ethernet plus! 25.5 watts |
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What is 802.1x? |
User Authentication |
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What does QoS do? |
Quality of Service. Forwards traffic based on priority marking. |
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What is 802.1d? |
Spanning Tree Protocol. Permits redundant links between switches and prevents looping of network traffic. |
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What is 802.1q? |
VLAN Trunking |
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What is a hypervisor? |
Specialized software that enables virtualization to occur and emulates the physical hardware. |
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What is infiniband? |
Switched fabric topology for high performance computing. >600Gbps. |
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What is Ad Hoc? |
Wireless devices communicate directly without the need for centralized access |
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What is infrastructure mode? |
Wireless devices communicate to a central access point |
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What is an omnidirectional antenna? |
Radiates power equally in all directions. |
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What is a unidirectional antenna? |
Focuses power in a specific direction. |
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What is Captive Portal? |
Web page appears before the user is able to access |
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What is the Loop back address? |
127.0.0.0 |
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List the address classes |
Class A :10.0.0.0-10.255.255.255 Class B: 172.16.0.0-172.31.255.255 Class C: 192.168.0.0-192.168.255.255 |
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What is a Loop Back? |
Used for testing purposes, 127.x.x.x |
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What is the APIPA range? |
169.254.x.x |
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What is Unicast? |
Data travels from one source to one destination |
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What is Multicast? |
Data travels from one source to multiple, but specific sources |
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What is a Broadcast? |
Data travels from a single source to all devices on the destination network |
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What is the globally routable Unicast address? |
Begins with 2000 to 3999 |
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What is a link local address? |
Begins with FE80 |
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What is a Multicast address |
Starts with FF |
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NDP |
Neighbor Discovery Protocol |
Learn layer 2(MAC Address) over a network |
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What is Anycast? |
Designed to let one host initi2the efficient updating of router tables for a group of hosts. Ipv6 |
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What is the default static route? |
0.0.0.0/0 |
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What is Distance Vector? |
Send full copy of routing table to neighbors |
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What is convergence? |
Time it takes to update routing tables |
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What is Multicast Routing? |
Sends traffic to class D ip address |
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What is a dedicated lease line? |
Connection between two sites through provider |
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What is a circuit switched connection? |
Only brought up when needed, like a phone call |
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What is a packet switched connection? |
Always on like leased but shares bandwidth |
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What are T1 and E1? |
Dedicated lease lines. They use CSU/DSU |
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What are the speeds of T1, T3, and E1? |
1.5mbps, 44mbps, 2mbps |
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What is metro Ethernet? |
Isp tech is hidden, as long as our physical can plug in |
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What is the OC level speed? |
51.84 mbps |
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What is hashing? |
Verify data integrity on both sides. |
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What are the network logging levels? |
0 Emergency 1 Alert 2 Critical 3 Error 4 Warning 5 Notifications 6 Informational 7 Debugging |
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Steps of troubleshooting |
1. Define the problem 2. Hypothesize the probable cause 3. Test hypothesis 4. Create an action plan 5. Implement the action plan 6. Verify problem resolution 7. Create post mortem report |
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