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N+ Protocols
| Question | Answer |
|---|---|
| FTP definition and port? | File Transfer Protocol TCP/20 (data) TCP/21 control) |
| SSH definition and port? | Secure Shell TCP/22 |
| Telnet definition and port? | TCP 23 |
| SMTP definition and port? | Simple Mail Transfer Protocol TCP/25 |
| DNS definition and port? | Domain Name Server TCP/53 (Zone Transfers) |
| HTTP definition and port? | Hypertext Transfer Protocol TCP/80 |
| POP3 definition and port? | Post Office Protocol version 3 TCP/110 |
| IMAP4 definition and port? | Internet Message Access Protocol Version 4 TCP/143 |
| HTTPS definition and port? | Hypertext Transfer Protocol Secure TCP/443 |
| DNS definition and port? | Domain Name Server UDP/53 (Queries) |
| BOOTP / DHCP definition and port? | Bootstrap Protocol / Dynamic Host Configuration Protocol UDP/67 |
| TFTP definition and port? | Trivial File Transfer Protocol UDP/69 |
| NTP definition and port? | Network Time Protocol UDP/123 |
| SNMP definition and port? | Simple Network Management Protocol UDP/161 |
| What is ARP? | Address Resolution Protocol. Link Layer that does IP-> Mac Addressing |
| What are ICMP/IGMP? | Internet Control Message Protocol - Network Unreachable/errors Internet Group Management Protocol Multicast! |
| TCP is? | Transmission Control Protocol Ensures data from one device to another |
| UDP is? | User Datagram Protocol Delivers data, no assurances of delivery |
| VoIP uses what protocols? | SIP Session Initiation Protocol RTP Real-time Transport Protocol |
| MAC Address stands for | Media Access Control Address |
| NAT is? | Network Address Translation Converts Private IP to Public |
| APIPA | Automatic Private Internet Protocol Addressing No internet connection/DHCP required. |
| OSPF is? | Open Shortest Path First (Link State) |
| IS-IS is? | Intermediate System to Intermediate System (Link State) |
| RIP and RIPv2 is? | Routing Information Protocol (Distance Vector) |
| CIDR is? | Classless Inter-Domain Routing (Distance Vector |
| BGP is? | Border Gateway Protocol (Distance Vector) internal/external |
| EIGRP is? | Enhanced Interior Gateway Routing Protocol (Cisco Proprietary Hybrid) |
| MTU is? | Min/Max Transmission Unit |
| AS is? | Autonomous System |
| IGP and EGP are? | Interior/Exterior Gateway Protocol |
| 802.11a Throughpout, Frequency, Range? | 54Mbps, frequency 5GHz, 35 Meters |
| 802.11b Throughpout, Frequency, Range? | 11Mbps, 2.4GHz, 38 Meters |
| 802.11g Throughpout, Frequency, Range? | 54Mbps, 2.4GHz, 100 Meters |
| 802.11n Throughpout, Frequency, Range? | 600Mbps, 5GHz and/or 2.4GHz, 300 Meters |
| RADIUS means? | Remote Authentication Dial In User Service |
| AAA is? | Authorization, Authentication, and Accounting |
| WEP means? Key strangeth? | Wired Equivalent Privacy 40-bit key and 104-bit key |
| TKIP/WPA is? | Temporal Key Integrity Protocol Wi-Fi Protected Access 256-bit key (8-63 printable ASCII characters) |
| EIA is? | Electronic Industries Alliance |
| TIA is? | Telecommunications Industry Association |
| Cabling standards are? | ANSI/TIA/EIA-568 |
| CAT3 speed? | 10Mbit ethernet, 4Mbit Token Ring |
| CAT5 speed? | 100Mbit ethernet 100 Meters |
| CAT5e | 1Gbit Ethernet |
| CAT6 | 10Gbit Ethernet through 55 meters CAT6a is for 100 meters |
| Plenums Cable is? | For Heating/AC space rich in oxygen. Fire resistance. |
| Riser Plenum Cable is? | Not as strict as Plenum for fire resistance. |
| Coaxial Cable is? | 1-100Mbs. Older Ethernet cable. Not twisted, used for television/digital cable usually. 10BASE5/2 |
| Serial Cables are? | One bit at a time. Slower, Modem, direct device connections. Replaced by USB. |
| Optical Fiber Cables are? | 10Gbs+ Glass/plastic carrier light. Very fast, long distance, low interference. |
| Types of Fiber? | Multi-mode Fiber - Shorter Distance 550Meters Single-Mode Fiber - Longer Distance 5KM |
| Half Duplex means? | Coax. One side speaks at once |
| Full Duplex means? | CAT and Fiber. Listen and talk |
| RS-232 is? | Recommended Standard 232 Old connectors. Used as configuration port |
| BNC is? | Beyonet Neill-Concelman Coax Connector 10BASE2 |
| RJ-45 and RJ-11 is? | Registered Jack connector RJ-11 is Telephone 6P4C RJ-56 is Ethernet 8P8C |
| ST/SC/LC/MT-RJ is? | Fiber Connectors Straight Tip Standard Connector Local Connector Mechanical Transfer Registered Jack |
| What are the 7 types of Network Topologies? | Star, Mesh, Bus, Ring, Point to Point, Point to Multipoint, Hybrid |