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CompTIA A+ 220-1001 & 220-1002 CompTIA A+ 1002: Refresher of 1001

Information Technology31 CardsCreated 3 months ago

Step 5 of the CompTIA troubleshooting methodology is to verify full system functionality and, if needed, implement preventive measures. This ensures the issue is fully resolved and won’t recur.

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A+ 1001 Refresher: Troubleshooting Methodology Step 5?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Verify Full System Functionality

Explanation:
Identify = Identify the Problem
Establish a Theory = Establish a Theory of Probable Cause (Question the Obvious First)
Test = Test the Theory, determine the Cause
Establish a Plan = Establish a Plan of Action to Resolve the Problem, Implement the Solution
Verify = Verify Full System Functionality, and if applicable, Implement Preventative Measures
Document = Document your Findings, Actions, Process, Outcomes - Lessons Learned

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Key Terms

Term
Definition

A+ 1001 Refresher: Troubleshooting Methodology Step 5?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Verify Full System Functionality

Explanation:
Identify = Identify the Problem
Est...

A+ 1001 Refresher: Troubleshooting Methodology Step 2?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Establish a Theory of Probable Cause

Explanation:
Identify = Identify the Problem

A+ 1001 Refresher: Troubleshooting Methodology Step 6?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Document your Findings

Explanation:
Identify = Identify the Problem
Establish a T...

A+ 1001 Refresher: Troubleshooting Methodology Step 3?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Test the Theory

Explanation:
Identify = Identify the Problem
Establish a Theory =...

A+ 1001 Refresher: Troubleshooting Methodology Step 4?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Establish a Plan of Action

Explanation:
Identify = Identify the Problem
Establish...

A+ 1001 Refresher: Troubleshooting Methodology Step 1?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Identify the Problem

Explanation:
Identify = Identify the Problem
Establish a The...

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CompTIA A+ 220-1001 & 220-1002 CompTIA A+ 1002: Refresher of 1001
TermDefinition

A+ 1001 Refresher: Troubleshooting Methodology Step 5?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Verify Full System Functionality

Explanation:
Identify = Identify the Problem
Establish a Theory = Establish a Theory of Probable Cause (Question the Obvious First)
Test = Test the Theory, determine the Cause
Establish a Plan = Establish a Plan of Action to Resolve the Problem, Implement the Solution
Verify = Verify Full System Functionality, and if applicable, Implement Preventative Measures
Document = Document your Findings, Actions, Process, Outcomes - Lessons Learned

A+ 1001 Refresher: Troubleshooting Methodology Step 2?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Establish a Theory of Probable Cause

Explanation:
Identify = Identify the Problem
Establish a Theory = Establish a Theory of Probable Cause (Question the Obvious First)
Test = Test the Theory, determine the Cause
Establish a Plan = Establish a Plan of Action to Resolve the Problem, Implement the Solution
Verify = Verify Full System Functionality, and if applicable, Implement Preventative Measures
Document = Document your Findings, Actions, Process, Outcomes - Lessons Learned

A+ 1001 Refresher: Troubleshooting Methodology Step 6?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Document your Findings

Explanation:
Identify = Identify the Problem
Establish a Theory = Establish a Theory of Probable Cause (Question the Obvious First)
Test = Test the Theory, determine the Cause
Establish a Plan = Establish a Plan of Action to Resolve the Problem, Implement the Solution
Verify = Verify Full System Functionality, and if applicable, Implement Preventative Measures
Document = Document your Findings, Actions, Process, Outcomes - Lessons Learned

A+ 1001 Refresher: Troubleshooting Methodology Step 3?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Test the Theory

Explanation:
Identify = Identify the Problem
Establish a Theory = Establish a Theory of Probable Cause (Question the Obvious First)
Test = Test the Theory, determine the Cause
Establish a Plan = Establish a Plan of Action to Resolve the Problem, Implement the Solution
Verify = Verify Full System Functionality, and if applicable, Implement Preventative Measures
Document = Document your Findings, Actions, Process, Outcomes - Lessons Learned

A+ 1001 Refresher: Troubleshooting Methodology Step 4?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Establish a Plan of Action

Explanation:
Identify = Identify the Problem
Establish a Theory = Establish a Theory of Probable Cause (Question the Obvious First)
Test = Test the Theory, determine the Cause
Establish a Plan = Establish a Plan of Action to Resolve the Problem, Implement the Solution
Verify = Verify Full System Functionality, and if applicable, Implement Preventative Measures
Document = Document your Findings, Actions, Process, Outcomes - Lessons Learned

A+ 1001 Refresher: Troubleshooting Methodology Step 1?

Identify the Problem

Test the Theory

Establish a Plan of Action

Document the Findings

Verify Full System Functionality

Establish a Theory

Identify the Problem

Explanation:
Identify = Identify the Problem
Establish a Theory = Establish a Theory of Probable Cause (Question the Obvious First)
Test = Test the Theory, determine the Cause
Establish a Plan = Establish a Plan of Action to Resolve the Problem, Implement the Solution
Verify = Verify Full System Functionality, and if applicable, Implement Preventative Measures
Document = Document your Findings, Actions, Process, Outcomes - Lessons Learned

A+ 1001 Refresher: PORT 21?

SSH
Telnet
SMTP
FTP

FTP

File Transfer Protocol

A+ 1001 Refresher: PORT 427?

SLP

SMB

AFP

HTTPS

SLP

Service Location Protocol

A+ 1001 Refresher: PORT 22?

DNS
FTP
TELNET
SSH

SSH

Secure Shell

A+ 1001 Refresher: PORT 23?

SNMP
SMTP
TELNET
SSH

TELNET


A+ 1001 Refresher: PORT 25?

SSH
FTP
SMTP
SNMP

SMTP

Simple Mail Transfer Protocol

A+ 1001 Refresher: PORT 143?

HTTPS
SNMP
AFP
IMAP

IMAP

Internet Message Access Protocol

A+ 1001 Refresher: PORT 443?

HTTP
SSH
DNS
HTTPS

HTTPS

Hypertext Transfer Protocol Secure

A+ 1001 Refresher: PORT 3389?

DHCP
LDAP
RDP
SSH

RDP

Remote Desktop Protocol

A+ 1001 Refresher: PORT 137 - 139?

NETBIOS/NETBT
SLP
AFP
DHCP

NETBIOS/NETBT

A+ 1001 Refresher: PORT 445?

RDP
HTTPS
SMB/CIFS
LDAP

SMB/CIFS

Server Message Block/Common Internet File System


A+ 1001 Refresher: PORT 548?

SLP
SMB/CIFS
AFP
RDP

AFP

Apple Filing Protocol

A+ 1001 Refresher: PORT 67, 68?

LDAP
DHCP
HTTP
DNS

DHCP

Dynamic Host Configuration Protocol

A+ 1001 Refresher: PORT 389?

LDAP
RDP
SMB/CIFS
IMAP

LDAP

Light Weight Directory Access Protocol

A+ 1001 Refresher: PORT 53?

TELNET
SMTP
DNS
IMAP

DNS

Domain Name System

A+ 1001 Refresher: PORT 80?

HTTPS
DHCP
DNS
HTTP

HTTP

Hypertext Transfer Protocol

A+ 1001 Refresher: PORT 110?

DNS
HTTP
POP3
SMTP

POP3

Post Office Protocol v3


A+ 1001 Refresher: PORT 161/162?

SNMP
SMTP
POP3
IMAP

SNMP

Simple Network Management Protocol

A+ 1001 Refresher: SMTP with TLS PORT?

548
587
445
25

587

A+ 1001 Refresher: SMTP with SSL PORT?

427
25
465
445

465

Explanation: (My Take)
Remember that SMTP is Port 25.
Take the 5 from the Port Number 25 and know that the Secure Version of SMTP is 465.

A+ 1001 Refresher: POP3 with SSL/TLS PORT?

3389
110
80
995

995


A+ 1001 Refresher: PORT IMAP4 with SSL/TLS PORT?

143
993
995
110

993

Explanation: (My Take)
Remember that IMAP is Port 143.
The 3 being the KEY Number in the normal Port 143.
So then remember that 993 is the Secure Version.

A+ 1001 Refresher: 802.11a - Speed and Frequency?

11 Mbps, 2.4 GHz

54 Mbps, 2.4 GHz

11 Mbps, 5 GHz

100 Mbps, 2.4 & 5 GHz

54 Mbps, 5 GHz

54 Mbps, 5 GHz

A+ 1001 Refresher: 802.11b - Speed and Frequency?

11 Mbps, 2.4 GHz

54 Mbps, 2.4 GHz

11 Mbps, 5 GHz

100 Mbps, 2.4 & 5 GHz

54 Mbps, 5 GHz

11 Mbps, 2.4 GHz

A+ 1001 Refresher: 802.11g - Speed and Frequency?

11 Mbps, 2.4 GHz

54 Mbps, 2.4 GHz

11 Mbps, 5 GHz

100 Mbps, 2.4 & 5 GHz

54 Mbps, 5 GHz

54 Mbps, 2.4 GHz

A+ 1001 Refresher: 802.11n - Speed and Frequency?

11 Mbps, 2.4 GHz

54 Mbps, 2.4 GHz

11 Mbps, 5 GHz

100 Mbps, 2.4 & 5 GHz

54 Mbps, 5 GHz

100 Mbps, 2.4 GHz & 5 GHz