Troubleshooting Methodology Flashcards Preview

CompTIA N+ N10-006 > Troubleshooting Methodology > Flashcards

Flashcards in Troubleshooting Methodology Deck (21)
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1
Q

What are the steps of troubleshooting?

A
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
Q

What is a short vs open in a copper cable?

A

A short is the cables aligned incorrectly

An open is a break in the cable

3
Q

What is cross talk?

A

A signal from one wire interfering with another

4
Q

What are EMI and RFI?

A

Electromagnetic Interference

Radio Frequency Interference

5
Q

What is attentuation/Db loss?

A

Signal getting weaker over distance

6
Q

What is a cable TDR?

A

Time Domain Reflectometer

Determines the distance at which a problem is occurring within a cable

7
Q

What is FHRP (First Hop Redundancy Protocol)?

A

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
Q

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

A

CARP

Command Address Redundancy Protocol

9
Q

What is the first step of troubleshooting methodology?

A

Identify the problem

10
Q

What is the second step of troubleshooting methodology?

A

Establish a theory of probable cause

11
Q

What is the third step of troubleshooting methodology?

A

Test the theory of probable cause

12
Q

What if the fourth step of troubleshooting methodology?

A

Establish a plan of action

13
Q

What is the fifth step of troubleshooting methodology?

A

Implement the solution or escalate

14
Q

What is the sixth step of troubleshooting methodology?

A

Verify full system functionality

15
Q

What is the seventh step of troubleshooting methodology?

A

Document findings and outcomes

16
Q

What is VRRP?

A

Virtual Router Redundancy Protocol

Open standard

17
Q

What is HSRP?

A

Hot Standby Routing Protocol

Cisco proprietary

18
Q

What is GLBP?

A

Gateway Load Balancing Protocol

Cisco proprietary

19
Q

What is CARP?

A

Common Address Redundancy Protocol

Open standard

20
Q

What is CSMA/CD?

A

Collision detection, implemented on Ethernet

21
Q

What is CSMA/CA?

A

Collision avoidance, implemented on APs