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communication resource sharing and media when many host share their resources with every other or when many devices connect with each other for
illustrate a traffic light is an example of what type of mechanismans a traffic light is an example of flow
grp uses a composite metric complete up of bandwidth and delay by default it updates each 60 seconds and will trigger an update if the topology
recognize the access-list range for an extended ip access-listans ip extended access-lists use the number range of
process to send data is called as encapsulation and process to receive data is called
to split data in pieces is known as segmentation and divide segmentation in pieces called fragmentation
fcs frame check sequencecrc cyclic redundancy check algorithm runs in switch that known as fcs frame check
ip plus port ip on layer 3 and port on layer 4 - in encapsulation socket base decision on network layer -layer
three layers are called upper layersa application layer - 7b presentation layer - 6c session layer -
recognize the two items that tcp and udp share in commonans tcp and upd are both layer 4 transport protocols and both use port number to recognize
any protocol used by an internetwork to exchange routing data within an autonomous system eg rip igrp and
a logical circuit that is created by virtual channel links it carries data among two endpoints in a networkthe one more name for virtual channel is
along any transmission path from a given source to a given destination a group of virtual circuits can be grouped together into what is known as
sending a message to a group multicast address is known as multicasting and its routing algorithm is known as multicast
what is the difference between routable and non- routable protocolsans routable protocols can work with a router and can be used to build huge
icmp is used to send error and control messages ping uses icmp to carry the echo-request and
what is the difference between tftp and ftp application layer protocolsans tftp - trivial file transfer protocola stripped down version of ftp easy
arp - address resolution protocolit is the protocol that traces ip addresses to mac addressesrarp - reverse address resolution protocolit is the
the address for a device as it is recognized at the media access control mac layer in the network architecture mac address is usually stored in rom
in communication weakening or loss of signal energy typically caused by
a layer of a glass surrounding the center fiber of glass under a fiber-optic
an fddi frame or token ring frames those points to serious problem with the ring like a broken cable the beacon frame carries the address of the
what is the terminal emulation in which layer it comesans the use of software installed on pc or lan server that permits the pc to function as if it
what is the frame relay in which layer it comesans frame relay is an industry standard shared access switched data link layer encapsulation that
gateway a device linked to multiple physical tcpip networks capable of routing or delivering ip packets among themrouter its a layer 3 device that