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ADVANCED 2008-06-25 01:24:00 Seizing of Roles: DC & ADC, when DC abruptly goes down, irreparable, no hopes of bringing back DC online we should seize the FSMO roles onto ADCPermanently configures ADC as DCImplementing: On ADCStart - run – cmd – (ntdsutil)RolesConnectionsConnect to server ADC’s server nameQSeize schema masterSeize Domain naming masterSeize RID masterSeize Infrastructure masterSeize PDC – q – q
Storage 2008-06-25 01:23:00 Basic Disks – partition – primary partition – extended – Logical partitionsDynamic disks: simple volume – spanned volume – stripped volume – mirrored volume – RAID – 5vBasic Disk:These are referred to partitions.Using basic disks we can create partitions like primary, extended, logical.Basic disks are useful for providing backward compatibility with older OS. Like DOS, 95, 98 etc
DISK MANAGEMENT 2008-06-25 01:22:00 2000 and 2003 uses a tool called Disk management for administering or managing Hard Disk DrivesUsing this we can create, delete, modify, partitions and volumes.We can also implement software rate, and disk analysis.To open Disk manager:Start – run – diskmgmt.mscOr right click on my computer – select manage.Creation of a primary partition:Start – run – diskmgmt.mscSelect free space (black
RIS (Remote Installation Service) 2008-06-25 01:22:00 It is a feature of 2000&2003 using which we can deploy operating system remotely on to the client machines.Requirements of RIS:Server side:AD, DNS, A static IP, DHCP, RIS, 2GB of free space with NTFS partitionClient side Requirements:Client machinePXE enabled NIC (Pre Boot execution Environment) or remote boot floppy.Installing RIS service:On DCStartSettings - control panelAdd/remove - add/r Read more:Remote
, Installation
, Service
ISA (Internet Security Accelerator) 2008-06-25 01:21:00 It is useful to speedup internet access and to protect private network from public network. It is actually firewall & acts as a proxy.Types of firewalls:1)Hardware firewall2)Software firewallHardware firewall: CISCO pix, watch guard, multi com Ethernet IISoftware firewall: ISA serverCheckpointSmooth wallFirewall: a firewall protects networked computers from international hostile intrusions. Ty Read more:Internet
, Accelerator
, Internet Security
Terminal Services 2008-06-25 01:20:00 Terminal Server is a server used for centralizing the management of applicationsIt provides remote administration for administrators.T.S. provides sharing of application and resources.It is used when a company cannot upgrade their client machines, hardware infrastructure.Benefits of terminal services:1)Centralized management applications2)Centralized security using NTFS permissions3)Easy to admini Read more:Services
VPN (Virtual Private Network) 2008-06-25 01:20:00 Using public network for private use we call it as VPN.To protect the private data over internet, It uses protocols like L2TP, PPTPVPN uses internet for providing communication between two different networks and With the help of these VPN protocols private data is tunneled and sent to the destination.L2TP: (Layer 2 Tunneling Protocol)Jointly developed Microsoft & CISCOSupports all types of net Read more:Private
, Virtual Private
WAN Protocols 2008-06-25 01:19:00 1. SLIP2. PPP(Point to Point Protocol)SLIP: SERIAL LINE INTERNET PROTOCOLIt is used on UNIX networksOutdated protocol (not available now)Doesn’t supportData compressionData encryptionError checkingDoesn’t supportNETBEUIIPX/SPXPPP: POINT TO POINT PROTOCOLMost popularly used in WAN protocol replaced by SLIPSupports various protocolsSupports data compressionData encryption Error checking Read more:Protocols
LAN Protocols 2008-06-25 01:18:00 1. NETBEUI protocols2. IPX/SPX3. TCP/IP4. NW link5. AppleTalk6. DEC net1. NETBEUI: It is a self-configurable protocol mostly use in small networks, outdated protocol, jointly developed by IBM &Microsoft. Does not support routing.2. IPX/SPX: It is a proprietary protocol of Novell NetWare. IPX stands for Internet Packet exchanger SPX – Sequential Packet exchange.Suitable for larger netwo Read more:Protocols
RAS (Remote Access Service) 2008-06-25 01:15:00 It is a feature of 2000 & 2003 enables communication between a local machine & a remote machineRAS connectivity:Types of connectivityPSTN (public switch telephone network)ISDN (Integrated Service
s Digital Network)X.25RS 232 (Recommended standard)DSL (Digital Subscriber Link)Direct cablePSTN: 1. Modem2. Telephone line3. 28.8 kbps4. Cheaper5. Analog communicationISDN:1. ISDN adaptors Read more:Remote
, Access
, Remote Access
RAS (Remote Access Service) 2008-06-25 01:14:00 It is a feature of 2000 & 2003 enables communication between a local machine & a remote machineRAS connectivity:Types of connectivityPSTN (public switch telephone network)ISDN (Integrated Service
s Digital Network)X.25RS 232 (Recommended standard)DSL (Digital Subscriber Link)Direct cablePSTN: 1. Modem2. Telephone line3. 28.8 kbps4. Cheaper5. Analog communicationISDN:1. ISDN adaptors Read more:Remote
, Access
, Remote Access
DHCP Relay Agent 2008-06-25 01:12:00 It is a protocol responsible for listening to the client request for assigning an IP to the clients dynamically on behalf of DHCP server from the other networkImplementing DHCP relay agent:On routerOpen RRASExpand IP routingRight click on generalNew routing protocolSelect DHCP relay agentOk – add public interfaceGeneral new interfaceSelect publicConfiguring public networkMove on to public netwo Read more:Agent
Routing 2008-06-25 00:55:00 It is a process of enabling communication between two different networks.There are two types of routers.1. Hardware router2. Software routerHardware router is a physical hardware device.Software router: A server with 2 NICs called software router.Ex: NT, 2000, 2003, UNIX can be configured as software routerA computer with 2 NICs is called a multihomed system.Requirements of the Software Router:DC Read more:Routing
Groups 2008-06-25 00:54:00 Groups: Are two types1. Security2. DistributionGroups are useful for setting common privileges or type of access to a group of users.Security Groups:These are used for setting permissions on the objects (printer, data) it can also be used as a distribution groups.This can also be used for maintaining distribution listDistribution group: Do not provide security, used for e-mails.Group scope:Ident Read more:Groups
Internet Information Service (I.I.S) 2008-06-25 00:50:00 It is a web server from Microsoft used for administering, managing, controlling websites.I.I.S. is the server component which provides services like www, http, ftp, nntp, SMTP, FrontPage, .net frame worksWWW(World Wide Web): enables use of internet.HTTP(Hiper text transfer Protocol): Supports file types like text, audio &videoGopher: used prior to http supported only text.FTP: (File Transfer P Read more:Service
, Internet
FTP (File Transfer Protocol) 2008-06-25 00:50:00 It is a service of I.I.S. used for uploading or downloading large amount of files over internet or intranet. runs on a port no.21Creating an FTP site:On DCOpen E driveCreate a folder FTP rootCreate few files in that folderOpen I.I.S.Right click on FTP - new – FTP siteNext – FTP name – ex EDPFTP – Select IPNext - do not isolate users – browse the FTP folder we have created in E driveNext Read more:Protocol
, File Transfer
Domain Name Service (DNS) 2008-06-25 00:48:00 Name Resolvers:There are 2 types of name resolvers: 1. WINS2. DNSResolver: It is a file which will contain the mapping information of the clients. Ex. System name and its IP addressWINS: (Windows Internet Naming Service
) It is a service of Microsoft used basically on windows network to resolve NetBIOS names to IP address and IPs to NetBIOS names.LMhosts: It is a static text file which contains Net Read more:Domain Name
DHCP (Dynamic Host Configuration Protocol) 2008-06-25 00:46:00 IPs: (Internet Protocol
s) There are two versions in IP1. Version 4.02. Version 6.0IPs are of two types 20 Static IPs21 Dynamic
IPsStatic IP: Static IPs are IPs what an admin assigns to the computer manually. Which are not changeable.Dynamic IPs:Are the IPs, which are assigned by DHCP server, which are dynamic. i.e. not constant, changeable.DHCP: Useful for extremely larger networks where we want t Read more:Configuration
Printer 2008-06-24 11:14:00 Printer Head is not moving when power is ON:1) Head motor fail2) Belt loose3) Head support rod must be dust clean the rod with isopropile alcohol and clean the rod4) Head motor amplifier on the logic board must be failure.5) Ink catridge ribbon may got jammed.Printer is printer on the same line :1) Feed roller motor may not be working.2) Feed motor amplifier circuity not be working.Line feed and f Read more:Printer
Monitor 2008-06-24 10:34:00 No Display:1) Power supply section failed2) EHT failed3) Horizontal section failed4) Display cable is not connected to the computer or not proper.5) Buffer IC failed6) Bright and contrast control must be turned low. If you increase the brightness and contrast control the display appears.7) No heater voltage to the picture tubeHorizontal line on the screen:1) Vertical section failed2) Vertical coil Read more:Monitor
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