Domain Name System (DNS):
The Domain Name System (DNS) is a hierarchical distributed
naming system for computers, services, or any resource connected to the Internet or a private network. It associates various
information with domain names assigned to each of the participating
entities.
A Domain Name Service translates queries for domain names (which are meaningful to humans) into IP addresses for the purpose of locating computer
services and devices worldwide.
File
Transfer Protocol (FTP):
File
Transfer Protocol (FTP) is a standard network protocol used to transfer files from one host to another host over a TCP-based network, such as the Internet.
Hypertext
Transfer Protocol (HTTP):
The Hypertext Transfer Protocol (HTTP) is an application
protocol for distributed, collaborative, hypermedia information systems. HTTP is the foundation of data
communication for the World Wide Web.
Lightweight
Directory Access Protocol (LDAP):
The Lightweight Directory Access
Protocol (LDAP) is an application
protocol for accessing and maintaining distributed directory
information services over an Internet Protocol (IP) network.
Post
Office Protocol (POP):
Post Office Protocol (POP) is an application-layer Internet standard protocol used by local e-mail clients to retrieve e-mail from a remote server over a TCP/IP connection.
Real-time
Transport Protocol (RTP):
Real-time Transport Protocol (RTP) defines a standardized packet
format for delivering audio and video over IP networks. such as telephony, video
teleconference applications, television services and web-based push-to-talk features.
SNMP:
SNMP works at the
Application Layer of the Internet Protocol Suite .
Telnet:
Telnet is a network protocol used on the Internet or local
area networks to provide a bidirectional interactive
text-oriented communications facility using a virtual terminal connection.
Transport
Layer Security (TLS) & Secure Sockets Layer (SSL):
Transport
Layer Security (TLS) and its predecessor, Secure Sockets Layer (SSL), are cryptographic
protocols that provide communication security over the Internet.[1] TLS and SSLencrypt the segments of network connections above the Transport Layer, using asymmetric
cryptography for key exchange, symmetric
encryption for privacy, and message
authentication codes for message integrity.
NetBIOS:
Network
Basic Input/output System. It
provides services related to the session layer of the OSI model allowing applications on separate computers
to communicate over a local
area network.
PPTP:
The Point-to-Point Tunneling Protocol (PPTP) is a method for implementing virtual
private networks. PPTP
uses a control channel over TCP and a GRE tunnel operating to encapsulate PPP packets.
SOCKS:
SOCKS is an Internet protocol that routes network packets between a client and server through a proxy server.
TCP & UDP:
Refer to the CCNA
notes.
IP:
The Internet Protocol
is responsible for addressing hosts and routing datagrams (packets) from a
source host to the destination host across one or more IP networks. For this
purpose the Internet Protocol defines an addressing system that has two
functions: identifying hosts and providing a logical location service. This is
accomplished by defining standard datagrams and a standard addressing system.
Internet
Control Message Protocol (ICMP):
The Internet Control Message Protocol (ICMP) is one of the core
protocols of the Internet
Protocol Suite. It is
chiefly used by the operating systems of networked computers to send error
messages indicating, for example, that a requested service is not available or
that a host or router could not be reached. ICMP can also be used to relay
query messages. It is assigned
protocol number.
Internet
Group Management Protocol (IGMP):The Internet Group Management Protocol (IGMP) is a communications
protocol used by hosts and adjacent routers on IP networks to establish multicast group memberships.
ATM · SDLC · HDLC · ARP · CSLIP ·SLIP · GFP · PLIP · IEEE 802.2 · LLC ·L2TP · IEEE 802.3 · Frame Relay · ITU-T G.hn DLL · PPP · Network switch
|
Point-to-Point
Protocol (PPP):
Point-to-Point
Protocol (PPP) is a data link protocol commonly used in establishing a direct
connection between twonetworking nodes. It can provide connection authentication, transmission encryption and compression.
EIA/TIA-232 · EIA/TIA-449 · ITU-T V-Series · I.430 · I.431 · POTS · PDH ·SONET/SDH · PON · OTN · DSL ·IEEE 802.3 · IEEE 802.11 · IEEE 802.15 · IEEE 802.16 · IEEE 1394 · ITU-T G.hn PHY · USB · Bluetooth · Hubs
|
Bluetooth:
Bluetooth is a proprietary open wireless technology standard for exchanging data
over short distances from fixed and
mobile devices, creating personal
area networks with high levels of security.
IEEE
802.11 :
IEEE
802.11 is a set
of standards for implementing wireless local area network (WLAN) computer communication.
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