CT310
Test 2 Study Guide
Summary
The test will include 20-30 multiple choice and 5-10 short answer questions. You may be asked to write in answers about
these terms.
Terms
CLI
GUI
NIC
PID
MB
Mbps
MIB
DAS
NAS
SAN
SNMP
SMTP
General Concepts
Special characters | > <
directory structures (/ /home /var /usr,…
Server units for CPU, memory, disk, network
Text editors: vim, emacs, gedit, nano
Core items that involve a health server:
Memory
Disk utilization
CPU utilization
NIC utilization
Commands used to check the health of a system:
top, free, vmstat, netstat, df, du, dmesg
Commands to manage processes, PID
fsck
device files
/dev/null
Installing software apt-get, dpkg
Week 5
Managing disk space – quota
Using the /dev/null device to wipe out files
Using the find command to locate large files
Understand what cron and at are used for
Week 6
su command, sudo command sudoers file; concepts of sudo configuration , IE: provide groups of users certain privileges
PAM – what it is used for
ufw command
tripwire
gpg utility
Week 7
CT310
Test 2 Study Guide
Concepts of Virtualization; running more than one os on a physical machine
Guest os connections to the network – use MAC addresses provided by the hypervisor
Advantages/disadvantages of virtual machines
Terminology: hypervisor, virtual machine, cloud, virtual disk, guest os
Know the names of some of the popular common hypervisors
Using the SNMP protocol for monitoring – snmp get requests for polling from a monitoring station; snmp traps sent
from a server back to a monitoring station
Know what Cacti is used for – open source monitoring software
Know the difference between monitoring uptime verses capacity planning
Know what is meant by MIB
Understand the amount of information snmp can provide about a server
Setting passwords to protect unauthorized snmp requests to a server
Week 8
Uses for ssh (encrypted connections, can be configured to use passwords or keys)
Remote access utilities
Access to the console
Difference between Computer Architecture and Server Architecture
How the network relates to Server Architecture
Some Advantages/disadvantages for distributed servers verses consolidated servers
Week 9
Provide an example of middleware
Concepts of cluster configurations
Mail concepts: queueing, MTA
Mila log file locations
Mail servers use SMTP to send messages to each other on port 25 using the tcp transport protocol
tcp is a good choice for SMTP because it ensures a reliable data transfer mechanism
Week 10
LAMP
Apache
Concept of configuring virtual hosts
Ports used for web servers