Network and System Administration Review Questions with complete Solutions Rated A+
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System Administration
Institución
System Administration
Network and System Administration Review Questions with complete Solutions Rated A+
How does a router differ from a firewall? - Answers A router is a networking device; firewall is a security device
Router can be configured to a firewall; a firewall cannot be configured
Router forwards packe...
Network and System Administration Review Questions with complete Solutions Rated A+
How does a router differ from a firewall? - Answers A router is a networking device; firewall is a security
device
Router can be configured to a firewall; a firewall cannot be configured
Router forwards packets; firewall denies/accepts packets based on criteria
Components of SNMP - Answers NMS, SNMP Agent, MIB formatted using SMI
What does POP mean? - Answers Post Office Protocol receives email and is held by internet server
What does IMAP mean? - Answers Internet Messaging Access Protocol used to retrieve emails from a
server over a TCP/IP connection
How does RAID 0+1 work? - Answers Mirrors with striping, disks are mirrored in pairs
What is Fault Tolerance? - Answers refers to hardware/software options that allow a system to continue
operating in case a component fails
What is packet forwarding? - Answers relay of packets from one network to another
What are five network service that network administrators take care of? - Answers Hardware, OS,
software, configurations, applications
What is RMON? - Answers Remote monitoring facilitates monitoring of network operational activities
through remote devices
What is SNMP polling? - Answers query/read information from an agent
What is SNMP trap? - Answers are alert messages sent from a remote SNMP enabled device to the
SNMP manager
What are five areas of network management as defined by the ISO Network Management model? -
Answers Performance, Security, Accounting, Fault and Configuration
Three features of IMAP - Answers Emails are saved on a server
Sent messages are stored on the server
, Emails can be accessed from multiple devices
Three features of POP - Answers Emails are stored on a single device
Sent messages are stored in a single device
Emails can be accessed from a single device
Give an example where POP can be used - Answers for limited server storage
Give an example where IMAP can be used - Answers To access from multiple devices
What is the concept of LDAP? - Answers Ability to access and navigate through a network database using
a tree structure
Differentiate between a SAN and a NAS - Answers SAN- multiple network storage devices all working
together
NAS- Single device sharing its own storage
Give four examples of scripting languages - Answers Visual Basic Scripting Edition
JavaScript
Kixtart
Perl
Give examples of Linux distributing systems - Answers Fedora, Debian, Magela, Ubuntu
Give characteristics of a continuous UPS? - Answers Expensive, converts DC to AC, no switchover time,
used for server rooms
Give characteristics of a Standby UPS - Answers Cheap, for home use, activiates when there is a power
outage, converts DC to AC
Give characteristics of Packet Filtering firewall - Answers • Faster than Application layer firewall
• Handles more traffic
• Uses rules enforced by packet inspection filters
Give characteristics of Application Firewall - Answers •Filters app layer protocol data - HTTP/SMTP/FTP
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