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57 Cards in this Set
- Front
- Back
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What protocol operates on port 20 and 21?
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FTP - File Transfer Protocol
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What protocol operates on port 22?
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SSH (Secure Shell) - a secure replacement for Telnet
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What protocol operates on port 23?
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Telnet
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What protocol operates on port 25?
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SMTP - Simple Mail Transfer Protocol.
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What protocol operates on port 53?
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DNS - Domain Name Service
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What protocol operates on port 80?
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HTTP - Hypertext Transfer Protocol
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What protocol operates on port 443?
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HTTPS - HTTP Secure
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What protocol operates on port 110?
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POP3 - Post Office Protocol (version 3)
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What protocol operates on port 161?
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SNMP - Simple Network Managment Protocol
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What protocol is used to automatically assign IP addresses to clients?
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DHCP - Dynamic Host Configuration Protocol.
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How many bits make up an IPv6 address?
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128
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What are the 5 types of IPv6 addresses?
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link-local, site-local, global unicast, multicast, and anycast
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What are the 2 types of fiber optic cable?
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SMF - Single Mode Fiber
MMF - Multi-mode fiber |
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What is the difference between SMF and MMF fiber optic cables?
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SMF's core can propagate one signal, while MMF's core can propagate multiple light-pulse signals.
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What is UTP?
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Unshielded Twisted Pair cable
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What is STP?
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Shielded Twisted Pair cable
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How is UTP catagorized?
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specific use, number of twists per foot, speed
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What is the speed and twists/foot of Cat3 cable?
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10Mbps, 2-3 tw/ft
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What is the speed and tw/ft of Cat5 cable?
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100Mbps, 20 tw/ft
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What is the speed and tw/ft of Cate5e cable?
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1Gbps, 20 tw/ft
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What is the maximum speed of Cat6 cable?
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2.5Gbps
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What is the maximum speed of Cat6a cable?
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10Gbps
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What is the emerging standard in UTP cable?
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Cat7
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What is the max run length of all twisted pair cable?
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100 meters
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What is composite cable?
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cable that combines Cat5/6 and other transmission cables in a PVC jacket.
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What does the "future-proof" composite cable contain?
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Cat5/6, RG-6, fiber optic line
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What is coaxial cable?
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Cable that has a layer of braided wire or foil separating the inner core from the outside insulating area.
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What is the prefix for coaxil cable?
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RG
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What coaxil cable is used for Ethernet networking?
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RG-58
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What coaxil cable is used for telephones?
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RG-59
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What coaxil cable is replacing RG-59 for television?
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RG-6
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What are Thicknet cables?
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RG-8 (50-ohm stranded core cables) and RG-11 (75-ohm stranded core cables)
Both are 10mm in diameter and carry signals up to 500 meters. Used for Ethernet backbone. |
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How do you directly connect 2 computers?
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Null modem cable with RS-232 connectors on either end. They can be either 9 or 25 pin.
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What is the difference between simplex, half-duplex, and full-duplex?
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Data transmitted simplex goes in one direction. Half-duplex transmits both ways, but only one direction at a time. Full-duplex transmits both directions at the same time.
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What is a WLAN?
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Wireless Local Area Network
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What are 4 network protocols that can be used on Windows networks?
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TCP/IP, IPX/SPX, AppleTalk, NetBEUI
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What network protocol uses NetBIOS to communicate with other computers?
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NetBEUI
This protocol is non-routable. |
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What proprietary network protocol was the native protocol in early versions of Novell NetWare?
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IPX/SPX
Internetwork Packet Exchange/Sequenced Packet Exhange |
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What are the 4 major wireless network protocols?
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Wi-Fi (Wireless Fidelity), Bluetooth, 802.11a, WiMAX
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What are the different Wi-Fi standards from oldest to newest?
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802.11b, 802.11g, 802.11a
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Is Wi-Fi 802.b compatible with 802.11a?
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No
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What are the 4 common physical network typologies?
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star, bus, ring, mesh
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What physical network typology has the MSAU?
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The ring. MSAU stands for Multistation access unit. This controls which node has the token in the ring network.
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What is the difference between point-to-point and point-to-multipoint network connections?
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point-to-point connections are between two nodes, while point-to-multipoint connections are between one and many nodes
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What are the 4 different types of Ethernet architecture currently available?
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10,100,1000-Mbps, 10 Gigabit Ethernet.
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What is BASE-X and BASE-R?
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Ethernet run over fiber optic cable
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What are BASE-W standards?
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Run over fiber optic cables, referred to WAN PHY, same as 10GBASE-R except encapsulated in SONET frames.
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What are BASE-T standards?
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run over twisted pair cable, shielded or unshielded
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What are BASE-CX standards?
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run over shielded copper twisted pair cable
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What are the specs for the 10GBASE-T Ethernet standard?
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shielded or unshielded twisted copper pair, up to 100 m with CAT6a, 55m with CAT6
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What are the specs for the 10GBASE-SR/W Ethernet standards?
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MMF, SR: 26 or 82 m, SW:300m,
Preferred choice for optical cabling within buildings. |
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What are the specs for the 10GBASE-LR/W Ethernet standard?
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SMF, 10Km, used to connect transceivers
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What are the specs for the 10GBASE-ER/W Ethernet standard?
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SMF, 40Km
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What are the specs for the 10GBASE-ZR/W Ethernet standard?
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SMF, 80KM, built to Cisco optical specifications
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What are the specs for the 10GBASE-LR/W Ethernet standard?
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SMF, 10Km, used to connect transceivers
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What are the specs for the 10GBASE-ER/W Ethernet standard?
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SMF, 40Km
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What are the specs for the 10GBASE-ZR/W Ethernet standard?
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SMF, 80KM, built to Cisco optical specifications
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