Troubleshooting Methodology Flashcards Preview

CompTIA N+ N10-006 > Troubleshooting Methodology > Flashcards

Flashcards in Troubleshooting Methodology Deck (21)
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1

What are the steps of troubleshooting?

Identify the problem
Establish a theory of probable cause
Test the theory to determine the cause
Establish a plan of action
Implement the solution or escalate
Verify full system functionality
Document findings, actions outcomes

2

What is a short vs open in a copper cable?

A short is the cables aligned incorrectly
An open is a break in the cable

3

What is cross talk?

A signal from one wire interfering with another

4

What are EMI and RFI?

Electromagnetic Interference
Radio Frequency Interference

5

What is attentuation/Db loss?

Signal getting weaker over distance

6

What is a cable TDR?

Time Domain Reflectometer
Determines the distance at which a problem is occurring within a cable

7

What is FHRP (First Hop Redundancy Protocol)?

Utilising 2 routers as a fail-over, they communicate with each other so if one goes down it will fail-over

Uses virtual IP and MAC

8

What open standard creates a redundancy group to share an IP address?

CARP

Command Address Redundancy Protocol

9

What is the first step of troubleshooting methodology?

Identify the problem

10

What is the second step of troubleshooting methodology?

Establish a theory of probable cause

11

What is the third step of troubleshooting methodology?

Test the theory of probable cause

12

What if the fourth step of troubleshooting methodology?

Establish a plan of action

13

What is the fifth step of troubleshooting methodology?

Implement the solution or escalate

14

What is the sixth step of troubleshooting methodology?

Verify full system functionality

15

What is the seventh step of troubleshooting methodology?

Document findings and outcomes

16

What is VRRP?

Virtual Router Redundancy Protocol

Open standard

17

What is HSRP?

Hot Standby Routing Protocol

Cisco proprietary

18

What is GLBP?

Gateway Load Balancing Protocol

Cisco proprietary

19

What is CARP?

Common Address Redundancy Protocol

Open standard

20

What is CSMA/CD?

Collision detection, implemented on Ethernet

21

What is CSMA/CA?

Collision avoidance, implemented on APs