Review_2 Flashcards
802.1x
uses credentials to grant access to the network
Port Security
based on mac addresses
Layer 2 Switch
*data link layer
Layer 3 Switch
ISE
authenticates/authorizes phones laptops. Associated with 802.1x, Radius, Tacacs
VLAN
security / segmentation
Upgrading IOS
*look in flash enough space
*download file on USB
*copy into flash
*boot from flash
Switch loses connectivity
*power cycle
*cable issue
*console in - logs
vlan configuration
trunk configuration
Questions to ask at the end
*what vendor- cisco
*do you use monitoring tools
*day to day responsibilities
IP Address
32 bits
network layer
Mac Address
48 bits
data link layer
How does data move across the network
full duplex
half duplex
HUB, SWITCH, ROUTER
HUB- broadcasts to every device. Least expensive, least intelligent.
SWITCH-
Firewall
prevents incoming and outgoing traffic
DHCP
automatically gives out ip addresses- from DHCP server
DNS
domain name server- translates domain names to ip addresses
3 types of networks
LAN
WAN
MAN
Network Diagram
We tunneled our NIPR thru SIPR using Taclanes
Layer of OSI model
Default Gateway
So one computer can communicate with another computer on a different network
Tell me about yourself
*I’ve been a Network Administrator for about 5 years
*Most of my experience is with 9300 Switches configuring upgrading
* I have experience with ISE and Taclanes
Default Gateway
So one computer can communicate with another computer on a different network
GigabitEthernet
1000 megabits per second
FastEthernet
100 megabits per second
