EMC E20-655

Free Questions in OTE format

About EMC E20-655 dump

This exam is a qualifying exam for the Isilon Platform Engineer Specialist track.
This exam focuses on the diagnostic tools available in an Isilon system that enable administrators to diagnose and investigate issues.
Topics include system events, system logs, job engine, and system commands, as well as log analysis, identifying data protection issues, and troubleshooting SmartPools, network, and SmartConnect issues.
Topics likely to be covered on this exam include:

Job Engine
OneFS Architecture

• Cluster architecture review
  
• OneFS module functionality
  
• Cluster configuration change process
  

System Commands Overview

• Support and compound commands
  
• Using commands
  
• Restricted commands
  
• Sysctl commands
  

Log Analysis

• Gathering logs
  
• Key log entries
  
• CLI log searches
  
• Automated CLI log searches
  

System Events

• Events architecture and overview
  
• Working with system events
  
• CELOG troubleshooting
  

Job Engine

• Job engine architecture
  
• Jobs and job configuration settings
  
• Default job priorities and impact policies
  
• Job engine management
  

System Statistics

• SNMP configuration
  
• SNMP internals
  
• InsightIQ
  
• Using isi statistics
  

Network Connectivity Issues

• Network fundamentals
  
• Link aggregation
  
• Wireshark basics
  
• Basic packet analysis
  
• Cluster splits
  

SmartConnect Issues

• SmartConnect and DNS
  
• Integration of pools, subnets, and SmartConnect
  
• Access zones and SmartConnect
  

Understanding where issues occur

• Issue overview
  
• Analyze network issues
  
• Analyze cluster issues
  
• Analyze client issues
  

Data Protection and Layout

• SmartPools troubleshooting skills
  
• SmartPools service and job issues
  
• File Pool Policy issues
  

Upgrades

• Upgrade basics
  
• General upgrade steps
  
• Upgrade commands
  
• Firmware updates
  
• Disk firmware updates