802.1x

Question 1

What is 802.1x

Answer 1

VERIFY’S THE DEVICE before granted access

Question 2

ISE

Answer 2

*authentication/authorization of network devices including laptops/phones
*supports 802.1x, radius and Tacacs

Question 3

Port Security

Answer 3

Based on Mac addresses

Question 4

Upgrading IOS image

Answer 4

*Check existing version
* show flash - enough space?
*Download the image(USB)
*Copy file into flash

Question 5

Layer 2 Switch

Answer 5

they focus on MAC addresses to forward data within the same network or VLAN

Question 6

Layer 3 Switch

Answer 6

• forward traffic based on IP addresses
  *routing between VLAN’s

Question 7

Trunk Port

Answer 7

Port that can carry traffic to multiple VLANs

Question 8

Access Port

Answer 8

a Port used for a single device

Question 9

VLAN

Answer 9

*Virtual local area network
*Segmentation
*Security

Question 10

Switch is unreachable

Answer 10

*Check if it has power
*Cabling
*Ping the switch
*Console in, check logs
*Check VLAN /Trunk configs

Question 11

To configure inter-VLAN routing on a Layer 3 switch,

Answer 11

enable routing on the switch and configure SVIs

Question 12

Default route

Answer 12

Instead of maintaining a large number of specific routes, a single default route can be used

ip route 0.0.0.0 0.0.0.0 192.168.1.1

Question 13

TCP vs UDP

Answer 13

TCP- connection oriented
https, ssh, telnet

UDP- connectionless
DNS, DHCP

Question 14

Why don’t you work at USMC anymore

Answer 14

They let me go because of a security policy violation