terms to know 5 Flashcards
protocol analyzers
gathers frames on the network and displays it in plain english
view traffic patterns such as WireShark.
ip and port scanners
identify open ports and devices. Good to map the network. Can detect rogue systems
Nmap is an example
tftp server
for firmware upgrades.
has to be on system
transfer files between systems with no overhead
terminal emulator
have a terminal screen over an encrypted channel so you can give commands
secure shell is an example
AP association time
devices must associate or connect with an access point, can change based on signal strength
Association would mean how long it has been on the current access point vs age which is how long on network meaning all the APs on the same network
asymmetrical routing
a packet traverses from a source to a destination in one path and takes a different path when it returns to the source
broadcast storm how to fix
to fix you seperate the network into smaller broadcast domains
igmp snooping
internet group management protocol used to manage multicast flooding
dhcp scope exhaustion
no more ip addresses left to assign so an apipa address is assigned
low optical link budget
helps you calculate the maximum allowable loss between two fiber transceivers
host-based vs network based firewall settings
firewall software that is installed directly on a computervs network based firewall which stops network traffic
ntp issues
to fix you have to configure ntp on all devices and automate the clock setting