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APPLICATION
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PENGERTIAN
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NAME SYSTEM
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DNS
|
ð Translates domain names,such as cisco.com, into IP
addresses
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HOST CONFIG
|
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BOOTP
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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ð BOOTP is being superseded by DHCP
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DHCP
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ð Dynamically assigns IP addresses to client stations
at start-up
ð Allows the addresses to be re-used when no longer
needed
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EMAIL
|
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SMTP
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ð Enables client to send email to a mail server
ð Enables servers to send email to other servers
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POP
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ð Enables clients to retrieve email from a mail server
ð Downloads email from the mail server to the dekstop
|
|
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IMAP
|
ð Enables clients to access email stored on a mail
server
ð Maintais email on the server
|
|
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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
|
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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
|
|
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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
|
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INTERNET
|
IPV4
|
|
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NAT
|
ð Translates IP addresses from a private network into
globally unique public IP addresses
|
|
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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
|
|
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INTERFACE
DRIVERS
|
ð Provides intruction to a mavhine for the control of
a specific on a network device
|
|
