|
APPLICATION
|
|
PENGERTIAN
|
|
NAME SYSTEM
|
||
|
DNS
|
ð
Translates domain names,such as cisco.com, into
IP addresses
|
|
|
|
||
|
HOST CONFIG
|
||
|
BOOTP
|
ð
Enables a diskless workstation to discover its
own IP address,the IP address of a BOOTP server on the network,and a file to
be loaded into memory to boot the machine
ð
BOOTP is being superseded by DHCP
|
|
|
DHCP
|
ð
Dynamically assigns IP addresses to client
stations at start-up
ð
Allows the addresses to be re-used when no
longer needed
|
|
|
|
||
|
EMAIL
|
||
|
SMTP
|
ð Enables
client to send email to a mail server
ð Enables
servers to send email to other servers
|
|
|
POP
|
ð Enables
clients to retrieve email from a mail server
ð Downloads
email from the mail server to the dekstop
|
|
|
IMAP
|
ð Enables
clients to access email stored on a mail server
ð Maintais
email on the server
|
|
|
|
||
|
FILE TRANSFER
|
||
|
FTP
|
ð Sets
rules that enable a user on one host to access and transfer files to and from
another host over a network
ð A
reliable,connection-oriented,and acknowledged file delivery protocol
|
|
|
TFTP
|
ð Asimple,connentionless
file transfer protocol
ð A
best-effort,unacknowledged file delivery protocol
ð Utilizes
less overhead than FTP
|
|
|
|
||
|
WEB
|
||
|
HTTP
|
ð
Set of rules for exchanging text,graphic
images,sound,video,and other multimedia files on the world wide web
|
|
|
|
||
|
TRANSPORT
|
UDP
|
ð Enablea
a process running on one host to send packets to a process running on another
host
ð Does
not confirm successful datagram transmission
|
|
TCP
|
ð Enables
reliable communication between processes running on separate hosts
ð Reliable,acknowledged
transmissions that confirm successful delivery
|
|
|
INTERNET
|
IPV4
|
|
|
NAT
|
ð
Translates IP addresses from a private network
into globally unique public IP addresses
|
|
|
|
||
|
IP SUPPORT
|
||
|
ICMP
|
ð
Provides feedback from a destination host to a
source host about errors in packet delivery
|
|
|
|
||
|
ROUTING PROTOCOLS
|
||
|
RIP
|
ð Distance
vectir routing protocol
ð Metric
based on hop count
ð Version
2 Supports VLSM and CIDR
|
|
|
OSPF
|
ð Link
State routing protocol
ð Hierarchical
design based on areas
ð Open
standard interior routing protocol
|
|
|
EIGRP
|
ð Cisco
Proprietary Routing Protocol
ð Uses
Composite metric based on bandwidth,delay,load,reliability and MTU
|
|
|
BGP
|
ð BGP4
latest version
ð External
Routing used between Autonomous Systems
|
|
|
|
||
|
NETWORK ACCESS
|
ARP
|
ð
Provides dynamic address mapping between an IP
address and a hardware address
|
|
PPP
|
ð
Provides a means of encapsulating packets for
transmission over a serial link
|
|
|
ETHERNET
|
ð
Defines the rules for wiring and signalling
standards of the Network Access Layer
|
|
|
INTERFACE DRIVERS
|
ð
Provides intruction to a mavhine for the
control of a specific on a network device
|
|
|
|
||
