Review

Question 1

802.1x

Answer 1

verifies devices before granting access

Question 2

port-security

Answer 2

based on mac address

Question 3

Layer 2 Switch

Answer 3

based on mac address

Question 4

Layer 3 switch

Answer 4

*enable IP routing
*can communicate with different vlans using inter-vlan routing
*Based on IP addresses

Question 5

ISE

Answer 5

*authenticates/authorizes networking devices to gain access to the network
Associated with protocols such as 802.1x, Radius and Tacacs

Question 6

VLAN

Answer 6

security /segmentation

Question 7

Upgrading IOS

Answer 7

*have enough space?
sho flash
*dir flash - listing the files

Question 8

switch loses connectivity

Answer 8

*Power cycle
*cable issue
*can you ping the switch
*console in and check the logs
*check Trunking /Vlans

Question 9

Technical Questions to ask at the end of interview

Answer 9

*What routing protocols do you use?
* Network Monitoring Tools
*Just Cisco
*What are the day to day responsibilities

Question 10

What is an IP address?

Answer 10

*Public -routed on internet
*Private-not routed on internet
*involved in the routing of data
*Network layer of OSI
*32 bits
*3 classes ABC
class A (0-126)
Class B (128-191)
class C (192-223)

Question 11

What is a mac address?

Answer 11

*data link layer
*hardware address
*48 bit number

Question 12

How is data moved across networks?

Answer 12

*Full Duplex
*Half Duplex

Question 13

HUB, SWITCH, ROUTER

Answer 13

*HUB-
Layer 1- (physical)
broadcasts data to all devices.
Lease expensive, least intelligent.
*SWITCH- (uses MAC address)
Layer 2- Data Link communicates to a designated node
*ROUTER-where routing takes place.

Question 14

Firewall

Answer 14

blocks incoming /outgoing traffic

Question 15

DHCP

Answer 15

automatically assigns IP addrresses to network devices

Question 16

DNS

Answer 16

(Domain Name Service) translates domain names to IP addresses.

Question 17

3 Types of Networks

Answer 17

LAN
WAN
MAN

Question 18

Tell me about the network you just came from

Answer 18

We tunneled out NIPR thru our SIPR using a Taclane (KG-175)- used for encryption

Question 19

Layers of OSI Model

Answer 19

Application
Presentation
Session
Transport
Network
Datalink
Physical

Question 20

Default gateway

Answer 20

allows one computer to communicate with another computer on a different network

Question 21

Etherchannel

Answer 21

redundancy and increased bandwidth

Question 22

Can you tell me about yourself

Answer 22

• I have about 5 year’s experience in Network Administration

*Most of my experience is in configuring and upgrading 9300 Switches (Port Security, 802.1x)

*I have experience in configuring Taclanes

*Basic knowledge using ISE