Need a JOB?

Top Search Engines

Linux Resources

Virus Scan Online

My reviewers and technical notes

NOTICE: The following procedure/reviewer contains here are all free and you can do whatever you want with it. But I do not guarantee success or support these actions. Any use of the information provided herein, is performed at your own risk. You should make a backup copy of your files prior to executing any of the following steps. Incorrect use of the instructions can cause serious problems that may require a complete reinstall of your operating system. I assumes no responsibility, expressed or implied, regarding the consequences of any action taken as a result of the information provided herein.

NAV Unable to Initialize Virus Scanning Engine Database
IE issues
Error: " The Print Spooler or one of its dependencies is not available. "
helpful sites
cd_dvd_hdd_fdd issues
how do I Start Computer in SafeMode
windows support page
how to install lexmark printer?
MS outlook issues
PRINTERS/SCANNERS/CAMERA
CDs not autorun when inserted in my CD/DVD drive in the MS Windows XP OS?
A+ Certification
Starting up and shutting down
Windows 2000 Pro Amalgamation Braindump
Network Admin_1
CDs not autorun when inserted in CD/ DVD drive in the MS Windows2000 or NT OS?
Internetworking Technologies
RAID LEVELs
Internetworking Acronyms
How do I troubleshoot a computer running Windows® 95/98 when it will not boot to the hard drive?
DVD media may not ‘Autoplay’ in Windows XP Home/Pro
Shells and stuff
X linux partitions and disk mgmnt
315 from a Millionaire
Bartleby Quotes of the Day
Vocabulary 6
Civil Service Reviewer
Internet acronyms
Vocabulary 1
Vocabulary 10
Bible quiz
DELL P1500 and S2500 Printers, Adding & setting up an optional paper tray
90-90 Diags
MSWord Tips
guide to subnetting
TCP/IP basics
having a successful job interview

---not yet finished...

‘Introduction to Internetworking

• What are the layers of the OSI model?

Application, presentation, session, transport, network, data link, physical. Remember the sentence “all people seem to need data processing.”

• Which layer determines path selection in an internetwork?

Layer 3, the network layer.

• What types of things are defined at the physical layer?

Voltage levels, time of voltage changes, physical data rates, maximum transmission distances physical connectors, and type of media.

• What is one methods of mapping network address to MAC addresses?

ARP, Hello, predictable.

• Which includes more overhead, connection-oriented or connectionless services?

Connection-oriented.

‘Introduction to LAN Protocols

• Describe the type of media access used by Ethernet.

Ethernet uses carrier sense multiple access collision detect (CSMA/CD). Each network station listens before and after transmitting data. If a collision is detected, both stations wait a random time before trying to resend.

• Describe the type of media access used by Token Ring.

Token ring passes a special type of packet called a token around the network. If a network device has data to send, it must wait until it has the token to send it. After the data has been sent, the token is released back on the network.

• Describe unicast, multicast, and broadcast transmissions.

A unicast is a transmission from one source to one destination. A multicast is a transmission from one source to many stations that register to receive the traffic. A broadcast is a transmission from one source to every station on the local network segment.

‘Introduction to WAN Technologies.

• What types of WAN circuits?

Point-to-Point, packet-switched, and circuit-switched.

• What is DDR, and how is it different from dial backup?

DDR is dial-on-demand routing. DDR dials up the remote site when traffic needs to be transmitted. Dial backup uses the same type of services, but for backup to a primary circuit. When the primary circuit fails, the dial backup line is initiated until the primary circuit is restored.

• What is a CSU/ DSU used for?

A CSU/DSU interfaces a router with a digital line such  as T1.

• What is the difference of a modem and an ISDN terminal adapter?

A modem converts digital signal to analog for transmission over a telephone line. Because ISDN circuit are digital, the conversion from digital to analog is not required.

  ‘Bridging and Switching Basics.

• What layer of the OSI reference model to bridges and switches operate?

Bridges and switches are data communications devices that operate principally at         Layer2 of the OSI reference model. As such, they are widely referred to as data link layer devices.

• What is controlled at the link layer?

‘Routing Basics

‘Network Management Basics

‘Ethernet Technologies

‘Fiber Distributed Data Interface

‘Token Ring/ IEEE 802.5

‘Frame Relay

‘High-Speed Serial Interface

‘Integrated Services Digital Network

‘Point-to-Point Protocol

'Internet Protocols

• How are Internet protocols documented?

In Request For Comments (RFCs).

• What are the two primary responsiblities of IP?

• Which field in the IP packet keeps packets from looping endlessly in a malconfigured network?

• How is an IP address generally represented?

• How is the class of an IP address determined?

• What is the purpose of the subnet mask in an IP address?

• What is the purpose of Address Resolution Protocol (ARP)?

• What is the function of Internet Control Messege Protocol (ICMP)?

• What type of data delivery does TCP provide?

• How does User Datagram Protocol (UDP) differ from Transmission Control Protocol (TCP)?

back on top

Dream dictionary

Family Links