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32 Cards in this Set
- Front
- Back
- 3rd side (hint)
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RAID 0 |
Uses byte-level striping and provides no fault tolerance. |
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RAID 1 |
Uses mirroring/duplexing for increased data redundancy. |
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RAID 5 |
Uses block-level and parity data striping. 3+ drives required. |
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RAID 6 |
Disk striping with more parity data than RAID 5. Requires 5+ drives, but can lose 2 without data loss. |
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RAID 0+1 |
A RAID 0 of two RAID 1s. Uses 4+ disks to stripe the 2 mirrors. Speed and redundancy! |
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RAID 10 |
A RAID 1 of two RAID 0s. Uses 4+ disks to mirror the 2 striped drives. Speed and redundancy! |
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LGA |
The CPU has female pins and the board has male pins. |
It's a Land Grid Array processor. |
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PGA |
The CPU has male pins and the board has female pins. |
It's a Pin Grid Array processor. |
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Molex voltages? |
5v and 12v |
Their product is 60. |
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What are SC, ST and LC? |
Fiber connectors |
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T568A versus T568B? |
Orange and Green are swapped. A starts with White/Green. |
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Hub vs Switch? |
Hubs are stupid repeaters, and Switches are smart repeaters & only send to the right MAC address. |
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CAT 3 speed? |
Designed for 10-Mbps (10BaseT) networks. |
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CAT 6 speed and range? |
1000 Mbps for 100 meters, 10 Gbps for 55 meters. |
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DHCP is for what? |
Automatic IP adress assigning. |
Dynamic Host Configuration Protocol |
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FTP ports? |
20 and 21. Used to transfer files across the Internet. |
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Email uses which protocols? |
IMAP, POP3, and SMTP. |
2 incoming, 1 outgoing |
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POP3 uses which port? |
110 |
Not 400. |
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IMAP uses which port? |
143. IMAP is an alternative to POP3 for retrieving email. |
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Telnet port #? |
23 |
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SSH port #? |
22 |
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Difference between TCP and UDP? |
TCP is a connection-oriented protocol while UDP is connectionless. UDP can drop bits but is much faster. |
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DNS port #? UDP or TCP? |
53 and UDP. Allows for DNS naming (www.google.com rather than the IP address) |
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DHCP port #? UDP or FTP? |
67, 68 and UDP. Automatically assigns IP addresses. |
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LDAP port #? UDP or TCP? |
389 and TCP. For querying directories. |
Lightweight Directory Access Protocol |
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SNMP port #? UDP or TCP? |
161 and UDP. Remotely manages network devices. Routers, hubs, switches. |
Simple Network Management Protocol |
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SMB (CIFS) uses which TCP port? |
445. Windows naming and file sharing. Common Internet File System. |
Almost the same # thrice |
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SMB (CIFS) uses which UDP ports? |
137, 138, 139. Windows naming and file sharing. Common Internet File System. |
130's |
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AFP uses which ports? UDP or TCP? |
548 and 427, TCP. For Mac OSX file services. |
400 and 500 |
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What's RDP? Port #? |
Remote Desktop Protocol, 3389. |
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What's SIP? Port #? |
Voice over IP, 5060. |
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6 steps of troubleshooting theory |
Identify the problem Theory of probable cause Test the theory Plan your action Verify it works Train the user & document your work |
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