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Details Title: Network+ TechExamsNet Part 1/2 Description: Network+ TechExamsNet Part 1/2 Total Flash Cards: 87 Created: 02/14/2005 09:57:51	To study from this set of flash cards, or to create your own your own study flash cards, register HERE. If you are already a registered user, CLICK HERE.
Cards Term The 2 types of addressing for networks is 1. ____ software by a network admin uses protcol to define addressing scheme. 2. ____ address is burned into the chip of the physical network Definition 1 .Layer3 Network 2. MAC address Term A ___ toplogy depects the route the signal takes on the newtork. A physical topology depicts how network devices are connected phyiscally. Definition logical Term Star Toplogy - connected to central hub. Uses cabling: 1.____ = Cat 3 UTP, 100 M, 10 Mbps 2.____ = Cat 5 UTP, 100m, 100Mbps 3.____= CatFiber optic, 400m/2000m(ful), 100(half) Mpbs, 200 Mbps (full) Definition 1.10BaseT = Cat 3 UTP, 100 M, 10 Mbps 2. 100Base TX = Cat 5 UTP, 100m, 100Mbps 3.100Base FX = CatFiber optic, 400m/2000m(ful), 100(half) Mpbs, 200 Mbps (full) Term Star Toplogy 1.10BaseT = Cat __ UTP, 100 M, 10 Mbps 2. 100Base TX = Cat ___ UTP, 100m, 100Mbps 3.100Base FX = Cat Fiber optic, 400m/2000m(ful), 100(half) Mpbs, 200 Mbps (full) Definition 3 5 Term Star Toplogy 1.10BaseT = Cat 3 UTP, ___, 10 Mbps 2. 100Base TX = Cat 5 UTP, ___, 100Mbps 3.100Base FX = Cat Fiber optic, ____m/____m(ful), 100(half) Mpbs, 200 Mbps (full) Definition 1. 10BaseT = 100m 2, 100 Base T = 100m 3. 100 Base FX = 400m/2000m Term Bus topology: devices connected to central cable, cable must be terminated, good for small networks, when one fails all fails uses cables: 1. ______ 2. ______ 3. ________ Definition 1. 10Base 5 2. 10Base 2 3. 10Broad36 Term Bus Toplogy 1. 10Base 5 2. 10Base 2 - thinnet. max segement length ____ m speed _____ Mbps # of nodes per segment = 30 50 ohm, RG-___ coaxial cable max length of collision domain is 925 m use BNC connectors 3. 10Broad36 Definition max segement length 185 m speed 10 Mbps RG-58 coaxial cable Term Bus Toplogy 1. 10Base 5 - thicknet Cable type: ____ max legnth___ m max number of nodes per segment is ___ 0.4 inch 50 ohm , max length from MAU to AUI connector on pc i 50 m, max length of collision domain is 2500 m ( 5 segements, 4 repeaters, max 3 Definition RG-8 Coaxial 500 m 100 nodes (30 nots in 10Base 2) Term Ring Toplogy: Every device conntect to 2 other devices (expensive) 802.___ (Token Ring) IEEE 802.___ no physical toplogy, but Token Ring does! TOken Ring refers to both. The logical toplogy is a ___ but the physical toplogy is a _____ Definition 802.5 The logical toplogy is a ring but the physical toplogy is a star Term MSAU stands for Definition MultiStation Access Units Term 80_.___ (Logical Link Control Layer) This layer is the upper sub layer of the _____ _____ layer (layer 2) Interfact acts as an intermediate between network protocls (PIX, TCP/IP ) and types (Ethernet, Token Ring) Definition 802.2 Data Link layer (layer 2) Term 802.___ (Ethernet ) developed by DIX THe access method uses _____/CD Definition 802.3 (Ethernet ) developed by DIX THe access method uses CSMA/CD Carrier Sense Multiple Access/Collision Detection Term 10 BaseT uses specification Cat 3,4,5 UTP in a ____ tooplogy. max length is _____ and encoding type is______ Definition Star, 100 m, Manchester Term 100Base TX is used in the ___ toplogy using Category ____ UTP or Category ___ STP, only uses 4 of the 8 wires like 10Base T. max transfer is 100 Mb/s encoding is 4B/5B coding Definition star using Category 5 UTP or Category 1 STP, only uses 4 of the 8 wires like 10Base T. max transfer is 100 Mb/s encoding is 4B/5B coding Term 100Base FX(802.__) used in ____ toplogy operates over 2 strand of signle mode or multi mode fiber cable. 400 m in half duplex, 2000 meters in full duplex. Uses __, ___ or MIC connectors Definition 802.3 used in star toplogy ST, SC or MIC connectors Term Gigabit Ethernet. 2 standards. The encoding type is 8B/10B with NRZ (non return to zero) 1. 802.___ - specifies 1000BaseT Gigabit Ethernet over Cat5e UTP cabling 2. 802.____ - specifies over fiber and cozxial a. 1000BaseLX - multimode with 550 m b. 1 Definition 1. 802.3ab 2.802.3z Term Gigabit Ethernet. 2 standards. The encoding type is 8B/10B with NRZ (non return to zero) 1. 802.3ab - specifies ____Base____ Gigabit Ethernet over Cat5e UTP cabling 2. 802.3z - specifies over fiber and cozxial a. 1000BaseLX - multimode with 550 m b. Definition 1000BaseT Term Gigabit Ethernet. 2 standards. The encoding type is 8B/10B with NRZ (non return to zero) 1. 802.3ab - specifies 1000BaseT Gigabit Ethernet over Cat5e UTP cabling 2. 802.3z - specifies over fiber and cozxial a. 1000Base__ - multimode with 550 m b. 100 Definition LX 5X CX Term Token Ring specs Data transfer is Cat3 ___or Cat4 ___ Mb/s max attachement per segment is 250 UTP _____ connector is used in Logical toplogy of ring, physical toplogy of a star. Definition Cat3 = 4MB/s Cat5 = 16 Mb/s RJ-45 connector Term Antoher toekn passing network technology is FDDI = __________/ Data transfer of 100 Mb/s, Encoding type is 4B/5B with NRZI (non return to zero), uses SC/ST/MIC ... stations use Dual Attached Stations (DAS) and SAS (Single Attached Stations) Definition Fiber Distributed Data Interface Term 802.11b operates withi wireless access point data transfer up to ___ MB/s 80211.a operates at max transmission of _____ Mbps Definition 11 MB/s 54 Mbps Term _____ is a device used to find outer ends of a cable, and uses a tracer (probe) on the othe rend. Definition Tone generator Term _____ device used to find a break or kink in fiber optic cabling Definition Optical tester Term This device sends pulses through a cable to detect a break or other inconsistences _____ Definition TDR = Time Domain Reflectometer Term Is a kind of terminator you can connect directly to a NIC, allwing you to configure it with an IP add to simulate as if a network were attached Definition Loopback adapter Term Protocol Analyzers or ____ are tools implmented in software that analyzes data packets itself to determine network problesm related to software etc. Definition sniffers Term ____domain. When 2 nodes on the network start transmitting data at exactly the same time and the two frames collide. Both nodes would have to have the same ___ domain (segment) Definition Collision domain Term All devices in this domain will receive ____ frames originating from other devices. ___ domains are typically boundec by routers because they don't forward ___ frames. Definition broadcast domains Term Is a kind of terminator you can connect directly to a NIC, allwing you to configure it with an IP add to simulate as if a network were attached Definition Loopback adapter Term ___ is a imple device used to expand LANs over larger distances, don't control broadcast or collision domains. Operate at the PHysical layer of the OSI model, use the 5-4-3 rule which defines the maximum distance.. so 5 _________, 4 ________, 3 of the s Definition repeaters, 5 segements, 4 repeaters, only 3 of the segements populated Term ___ are known as concentrators or MULTIPORT repeaters are used in ___ (toplogy) networks to connect multiple cstations. Definition Hubs, star Term 1. ______ hub: takes the incoming frames, amplies the signal, and forwards it to all other ports. 2. ____ hub splits the signal and forwards it operate on the ____ layer of the OSI Definition Active Passive Physical Term Hubs and repeaters do not control ____ or ____ domains, but they do extend them. Definition Broadcast/Collision domains. Term _____ are more intelligent than hubs a nd operate on the Data Link layer of the OSI. Increase network performacne by SEGMENTING networks in separate ______ domains. They are PROGOCOL transparent, and NOT aware of Upper layer protocols, and keep a table Definition Bridges, collision Term Bridges ontrol which domains? Definition ONLY Collision domains, not broad cast domains. Term _____ are similar to bridges, they keep a table with MAC add per port, but are different because a ____ has more ports then a bridge and provde a collision domain PER PORT. - bridges in SOFTARE, wheras ____ in hardware. Definition SWITCH Term Switches do not control braodcast domains unless ____ are being used, but most modem switches do support ____. A ___ can be based on Port IDs, MAC addy, protcols or applications. Definition VLANS (Virtual Local Area Networks) Term ___ are used to interconnect mutliple sub-networks . Operate on the Network layer (Layer 3) Examples of these protocols are IP, IPX, Appletalk and are PROTCOL-AWARE, use route tables. Definition Routers Term A ___ is a device that connects networks with dissimlar network protocls and is on the ___ layer and above it (Session, Presentation, Application). - could be used to allow IPX/SPX clients to use a ___ with a TCP/IP uplink to an internet connection. Definition Transport. Term CSU/DSU stands for ___ and is a hardware device about the size of an external modem converting digial data frames from the communication tech used on a LAN into frames to a WAN and vice versa. A CSU is mainly used on both ends of a T1/T3 connection. Definition Channel Service Unit/Data Service Unitl Term The physical address of a NIC (on PHysical Layer) burned in address is commonly the ______. The reason the physical addy is defined at the Data Link Layer is that the physical layer only handles bits! Use Rj-45 socket for UTP/STP cabling (NICS) Definition MAC Address - Media Access Layer. Layer 2 address, Burned in Address (BIA) Term MAC Address - Media Access Layer. Layer 2 address, Burned in Address (BIA) 00-10-53-42-A8-BC. The first 6 hexadecimal digits specify the ____ The last 6 digits specify the _____ Definition vendor/manufacturer the host Term Modems convert parallel digital data to serial analog data. Internal Expansion cards (e.g. ISA< PCI) integrated External modems connect to the serial ______ or USB ports. USe RJ-11 connector Definition RS-232 Term ISDN and PSTN (PUblic Switched TElephone Network) use what kind of switching? ___ The sender and receiver establish a dedicated path... packets send follow the same route. Definition circuit switching Term In___ switching, data is segmented inbits that each take a route indepndently based on the address info in header. THe interent is made up of this type of switching Definition packet Term ISDN use two main digital channels, being the 64 Kb p/s __- channel __-channel which make up ISDN BRI (Basic Rate INterface) Definition B,D Term ATM (Asynchronous Transfer Mode), is a ___ switching network, data is transmitted in small 53 byte fixed length cells and data rates upt o ___ Mbps. Uses Bandwith on demand (BOD) and QoS which is _________ Definition packet 622 Quality of Service Term ATM uses its own reference model corresponding rougly to both the Data Link and the ____ layer Definition physical Term Frame Relay uses paceket swittching network, operates at the physical and ata link, used to connect LAN and WAN, cost effective because pay only bandwidth usage, and ensures bandwith availability (cloud) the carrier and the customer agree on a _______, us Definition CIR = Commited Information Rate Permanent Virtual CIrcuit Switched Virtual CIrcuit Term Sonet /OCx is short ofr Synchronous Optical Network, standardized digital data rates for optimal transmission proposed by bellcore, OC-1 = ____ Mbps Definition 51.85 Term T1 has ___ channels (called DSO, 1 DOS is 564K), providing rates up to 1.544 Mbps, the E1 (euro version has up to 30 channels) up to 2.048 Mps. T3 has 44.736 Mbps (672 DSOs) Definition 24 Term OSI stands for Definition Open System Interconnection Term Application - "closest to the user" Presentation - encryption ____________ - terminates end to end connections ____________ - converts data received from upper layers into segments Network - converts segs into packets ____________ - transports net Definition Application Presentation Session Transport Network Data Link Physical Term Application layer provides network services directly to the user's application. Protcols include 1. ___, HTTP, ___, TFTP, ___, NTP Definition TELNET, FTP, SMTP Term Presentation layer reps data in a particular format to the application, defines encryption, compression, defined includes GIF< JPEG< MPEG< MIME and ___ Definition SCII Term Session Layer maintains and terminates end to end connnections... protocls that operate ion this layer include RPC, and ____ Definition NETBIOS Term Transport layer adds a segment header converging the data into segments... protcols that operate on this layer include: ___, UDP, ____, SPX Definition TCP, NETBEUI Term UDP is a connectionless/connection-oritned? Definition connectionless Term TCP is a connectionless/connection-oritned? Definition connection-oritned Term Netowrk - adds a netowrk header and converts the segments into packets/datagrams.. Responsible for logical addressing or Layer 3 addressing Protocols include: IP, ___, ICMP, RIP, OSPF< BGP. Devices that operate: ___, Layer 3 Switches Definition IPX, Routers Term Data Link Layer adds a frame header converting the packets into frames. Devices that operate ont he layer: Switches and _____ THe MAC______ sublayer converts the frames into bits which the PHysical layer can put on the wire. Definition MEdia access control bridges Term THe LLC (Logical Link Control) is the upper sublayer of the Data Link Layer uses Source Service Access Points (SSAPs) and DSAPs (____ Service Access Points). The LLC is defined as 802. ___ Definition Destinations,2 Term 802.3,802.4,802.5,802.10 define standars for the ___ sublayer as well as Physical layer. Definition MAC Term Devices that are in the phyiscal layer include s: HUBs, ____, NICS, and LAN AND WAN interfaces such as ____, OC-3, BRI Definition repeaters,RS-232 Term TCP/IP is routeable/non-routable protocol? Definition routeable Term 5 classes of IP Class A = Definition 1- 126 Term 5 classes of IP Class B = Definition 128-191 Term 5 classes of IP Class C = Definition 192-223 Term 5 classes of IP Class D = Definition 5 classes of IP Class D = 224-239 Term 5 classes of IP Class E = Definition 5 classes of IP Class E = 240-254 Term Private Address Ranges.... __.0.0.0 through ___.255.255.255 ____.16.0.0 through ___.31.255.255 192.168.0.0 through 192.168.255.255 169.254.0.1 through 169.254.255.254 Definition Private Address Ranges.... 10.0.0.0 through 10.255.255.255 172.16.0.0 through 172.31.255.255 192.168.0.0 through 192.168.255.255 169.254.0.1 through 169.254.255.254 Term Private Address Ranges.... 10.0.0.0 through 10.255.255.255 172.16.0.0 through 172.31.255.255 ___.168.0.0 through ___.168.255.255 169.254.0.1 through 169.254.255.254 Definition Private Address Ranges.... 10.0.0.0 through 10.255.255.255 172.16.0.0 through 172.31.255.255 192.168.0.0 through 192.168.255.255 169.254.0.1 through 169.254.255.254 Term Private Address Ranges.... 10.0.0.0 through 10.255.255.255 172.16.0.0 through 172.31.255.255 192.168.0.0 through 192.168.255.255 ___.254.0.1 through ____.254.255.254 Definition Private Address Ranges.... 10.0.0.0 through 10.255.255.255 172.16.0.0 through 172.31.255.255 192.168.0.0 through 192.168.255.255 169.254.0.1 through 169.254.255.254 Term The range ___.0.0.0 to ___.255.255.255 is reserved for IP lookup addy used for testing purposes to check TCp/IP stack Definition The range 127.0.0.0 to 127.255.255.255 is reserved for IP lookup addy used for testing purposes to check TCp/IP stack Term Subnet Masks determines which part is the host and which is network portion (for routable network addy). Class A 255.0.0.0 Class B ____.____.____._____ Class C ____.____.____._____ Definition 255.255.0.0 255.255.255.0 Term IPv6 (running out of IPv4) 128^2 uniuqe addresses. written in a maximum of ___ groups of ___ bits each written as four hex digits FEDC: BA12:ABCD:3210:FEDC:BA98:7654:1234 Definition 8,16 Term ____ is a combination of an IP address and a port number Definition Socket Term TCP is connection-orirented/connection less? Definition connection-orirented Term FTP connects to TCP port ____ and uses connection-oriented or connection-less? Definition 21,20 connection-oriented Term Trivial FTP is an Application layer protocol providing ("connectionless or connection-oriented ") transfer, uses port ____ Definition connectionless 69 Term SMTP Simple Mail Transfer Protocol is an Application layer protocol to TRANSFER email connects to TCP port ___ Definition 25 Term POP3 can be used to access "Inbox" folder only while IMAP4 any folder. POP3 uses TCP port _____ IMAP4 uses TCP Port _____ Definition POP3 uses TCP port 110 IMAP4 uses TCP Port 143 Term HTTP uses TCP port ____ HTTPS uses port _____ Definition HTTP uses TCP port 80 HTTPS uses port 443 Term TELNET uses TCP port ____ NTP (Network Time protocol) uses UDP port _____ Definition TELNET uses TCP port 23 NTP (Network Time protocol) uses UDP port 123 Term Ping is used with ICMP _______ which is found on which layer _______???? Definition Internet Control Message Protocol on the Network Layer protocol Term ARP - Address Resolution is used to discover an IP address (layer 3) to a MAC address (layer __) Definition 2 Term THe Routintg Information Protocol (RIP) is used to exchange routing info between routers. Each router, builds a ______ that contains entries of possible routes in the network Definition routing table