This page lists several sections covered on the exam that require rote memorization. ### Copper Cable Categories | Ethernet Standard | Cable Category | Maximum Supported Distance | | --- | --- | --- | | 1000BASE-T | Cat 5 | 100 meters | | 1000BASE-T | Cat 5e (enhanced) | 100 meters | | 10GBASE-T | Cat 6 | Unshielded: 55 meters; Shielded: 100 meters | | 10GBASE-T | Cat 6A (augmented) | 100 meters | | 10GBASE-T | Cat 7 (Shielded only) | 100 meters | | 40GBASE-T | Cat 8 (Shielded only) | 30 meters | ### T568A and T568B Termination ![[TIA_EIA-pin-outs.png]] | TIA/EIA 568A | TIA/EIA 568B | | --- | --- | | Green/White | Orange/White | | Green | Orange | | Orange/White | Green/White | | Blue | Blue | | Blue/White | Blue/White | | Orange | Green | | Brown/White | Brown/White | | Brown | Brown | ### Ethernet over Fiber - 100BASE-FX - 100 Mb Ethernet over Fiber using Laser components - Multi-mode Fiber Pair - Max Distance: 400 meters (half-duplex), 2 kilometers (full-duplex) - 100BASE-SX - 100 Mb Ethernet over Fiber using LED optics (less expensive) - Max Distance: 300 meters - 1000BASE-SX - Gb Ethernet over Fiber using NIR (near infrared) light - Multi-mode Fiber (usually) - Max Distance: 220-500 meters (depending on fiber type) - 1000BASE-LX - Gb Ethernet over Fiber using Long Wavelength Laser - Max Distance: 550 meters (using multi-mode fiber), 5 kilometers (using single-mode fiber) - 10GBASE-SR (Short Range) - 10 Gb Ethernet over Fiber - Multi-mode Fiber - Max Distance: 26-400 meters (depending on fiber type) - 10GBASE-LR (Long Range) - 10 Gb Ethernet over Fiber - Single-mode Fiber - Max Distance: 10 kilometers To remember fiber type for the exam, remember the pneumonic: "S is not single" (i.e Base-S uses multimode). ### Common Ports 1.5 | Protocol | Port | | -------- | -------------- | | Telnet | tcp/23 | | SSH | tcp/22 | | DNS | udp/53, tcp/53 | | SMTP | tcp/25 | | POP3 | tcp/110 | | POP3S | tcp/995 | | IMAP | tcp/143 | | IMAPS | tcp/993 | | SFTP | tcp/22 | | FTP | tcp/20, tcp/21 | | TFTP | udp/69 | | DHCP | udp/67, udp/68 | | HTTP | tcp/80 | | HTTPS | tcp/443 | | SNMP | udp/161 | | Syslog | udp/514 | | RDP | tcp/3389 | | NTP | udp/123 | | SIP | tcp/5060-5061 | | SMB | tcp/445 | | LDAP | tcp/389 | | LDAPS | tcp/636 | | MS-SQL | tcp/1433 | | SQL*Net \ tcp/1521 \ | MySQL | tcp/3306 | ### Wireless Standards 2.4 | Frequencies | Maximum MIMO Streams | Maximum Theoretical Throughput (per stream) | Maximum Theoretical Throughput (total) | | --- | --- | --- | --- | --- | | 802.11a | 5 GHz | N/A | 54 Mbps | 54 Mbps | | 802.11b | 2.4 GHz | N/A | 11 Mbps | 11 Mbps | | 802.11g | 2.4 GHz | N/A | 54 Mbps | 54 Mbps | | 802.11n | 5 GHz / 2.4 GHz | 4x MIMO | 150 Mbps | 600 Mbps | | 802.11ac | 5 GHz | 8x DL MU-MIMO | 867 Mbps | 6.9 Gbps | | 802.11ax | 5 GHz / 2.4 GHz | 8x DL and UL MU-MIMO | 1,201 Mbps | 9.6 Gbps | ### Cellular Standards 2.4 2 | Cellular Technology | Band Type / Technology Type | Average Speed | Theoretical Speed | | --- | --- | --- | --- | | 4G | LTE | 20 Mbps | 150 Mbps | | 4G | LTE-A | 40 Mbps | 300 Mbps | | 5G | Low-Band | 55 Mbps | 150 Mbps | | 5G | Mid-Band | 150 Mbps | 1.5 Gbps | | 5G | High-Band | 3 Gbps | 70 Gbps | ### Error Condition Severity Levels 3.1 *0 (most severe) to 7 (least severe)* | Level | Severity | | Level 0 | Emergency | Level 1 | Alert | Level 2 | Critical | Level 3 | Error | Level 4 | Warning | Level 5 | Notice | Level 6 | Information | Level 7 | Debugging 802.1d - Spanning Tree Protocol (STP) 802.1q - Trunking 802.1x - Network Access Control (NAC) 802.3ad - Link Aggregation Control Protocol (LACP) 802.3af - PoE 802.3at - PoE+ ### Policies and Agreement Types 3.2 AUP (Acceptable Use Policy) MOU (Memorandum of Understanding) NDA (Non-Disclosure Agreement) SLA (Service Level Agreement)