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Network and System Administration Review Questions with complete Solutions Rated A+

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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...

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  • October 10, 2024
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  • System Administration
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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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