Network and System Administration Review Questions with complete Solutions Rated A+
6 views 0 purchase
Course
System Administration
Institution
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
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller TutorJosh. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $7.99. You're not tied to anything after your purchase.