chapter 3 Flashcards
(27 cards)
write four role of SNA
1-account provision
2-hardware management,
3-perform backup,
4-install and upgrade software,
5-trouble shooting ,
6-system monitoring,
7- maintaining local document and
8-help users
Any computer that is to be connected to a network, needs to have a _______
Network Interface card
To connect together different devices to make up a network, you need ______
network cable
________ Used to boost the signal between two cable segments or wireless access points
Repeater
_________ An unintelligent network device that sends one signal to all of the stations connected to it
Hub
_______Connects two LANs and forwards or filters data packets between them
Bridge
_______ A device that connects any number of LANs
Router
_______ Split large networks into small segments, decreasing the number of users sharing the same network resources and bandwidth
Switch
_______ is anetworkpoint that acts as an entrance to another network.
T/F Routers and Gateways often refer to the same device.?
True
___________ Isolates internal network computers from the internet
Proxy server
________ is The probability where simultaneous data transmission leads to collision
Collision domain
________A logical division of computers in which all nodes can reach each other by broadcast
Broadcast domain
______ The transmission is stopped and they send a jam signal(to notify others collision has occurred) and then wait for a random time before retransmission
CSMA/CD
___________Devices first sense and if the medium is being used they wait for short amount of time before checking again
CSMA/CA
A router use its _______ to determine the best path
routing table
______ and ______ routing protocols are used to learn about remote networks and build tables.
Static and dynamic
If multiple paths to a destination are configured on a router, the path installed in the routing table is the one with the best ___________.
Administrative Distance (AD)
______ Used for routing inside an autonomous system & used to route within the individual networks themselves
IGP
_______Used for routing between autonomous systems
EGP
Incomplete view of network topology
Generally, periodic updates
Distance vector
complete view of network topology
Generally, not periodic updates
Link state
_______Enable remote access to the device.
Virtual terminal line
_________ is a logical partition of a layer 2 network
VLAN (Virtual LAN)
