Serial Bus
Serial Bus:- A) Universal serial Bus(USB):- - It is designed to replace keyboard port, parallel port, serial port, game port etc. b...
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Sockets and Slots
Que: - Define Processor Sockets and Slots. Or Write a short note on Sockets and Slots. Ans: - > A CPU socket or CPU slot is a mechanica...
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The Need for Security
The Need for Security Administrators normally find that putting together a security policy that restricts both users and attacks is tim...
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IP Address Assignment Process in DHCP
The primary function of DHCP is to assign IP addresses.Basically IP Address Assignment process contains three types of address allocation ...
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DHCP Architecture
DHCP Packet Structure/Architecture DHCP communications use eight different types of messages, all of which use the same basicpacket form...
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DNS Name Registration Process
DNS Name Registration Process: > How are new domains added to DNS? > This is done through a registrar, a commercial entity accredit...
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Resource Records
Resource Records: > Within a DNS zone, there are resource records (RR) that provide name resolution. > DNS Servers are basically da...
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VPN Client
VPN Clients VPN Clients are of both types hardware and software VPN clients. The VPN Client (software) comes bundled with the VPN Concentr...
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Types of VPN
Types of VPNs Mainly there are two basic types of VPNs are 1. Remote-Access —Also called a Virtual Private Dial-up Network (VPDN), this i...
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VPN Protocols
VPN Protocols The three most popular tunneling protocols used for VPNs are Point-to-Point Tunneling Protocol (PPTP), Layer 2 Tunneling Pro...
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Virtual Private Networks
Virtual Private Networks A virtual private network (VPN) is a network link formed through the Internet between the remote user connected t...
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Remote Access Needs
Determining Remote Access Needs Users who require remote access generally fall into one of the following four categories: ...
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Digital Subscriber Line (DSL)
DSL: Ø Although there are several other media that can be used to provide broadband access to residential and business subscribers, no...
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Cable Antenna Television(CATV)
CATV: Ø CATV (originally "community antenna television," now often "community access television") is more commonl...
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Integrated Service Digital Network (ISDN)
ISDN: Ø ISDN is defined by the ITU-T. Ø ISDN is used to support wide range of voice (telephone calls) and non-voice (data exchange) ...
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Public Switch Telephone Network (PSTN)
PSTN: Ø The public switched telephone network (PSTN) is the aggregate of the world's circuit-switched telephone networks that ar...
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Domain, Forest, Trees and Leaves
a) Domain: A domain is an administrative unit within which certain capabilities and characteristics are shared. A domain defines the ...
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LDAP Notation
LDAP Notation Same Domain Name can be expressed in LDAP notation like: CN=xyz, OU=comp, OU=stbs, DC=tapi, DC=com -->...
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User Principle Name (UPN)
UPN: Ø UPN or User Principal Name is a logon method of authentication when user enters the credentials as username@domainname.com ins...
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Active Directory Architecture
Disadvantages of Windows NT Domains · Windows NT can’t scale up to larger network. · Here each domain must be maintained individual...
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Global Unique Identifier
GUID: Ø A Globally Unique Identifier is a unique reference number used as an identifier in computer software Ø Short for Globally Un...
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Object Naming
Object Naming · Every object in AD database is uniquely identifying the name that can be expressed in several forms. · The naming ...
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