August 22nd, 2008 by Bob
I came a crossed my old A+ practice question that I had put on 4×6 cards to help ready me for my CompTIA A+ exam. The A+ exam was broken down into two exams that you took one right after the other. One was based on hardware and the other was based on software. They also had question on customer relations but I don’t remember which exam they were place in.
I’ll post some of them here from time to time to give you an idea of what you can expect on the exam.
Here are the first 5 in the series. (answers are at the bottom of the post)
1. Which of the following is least likely to be affected by a virus?
a. floppy disk
b. hard driver
c. BIOS in ROM
d. a file in RAM
2. A customer calls with a question about how to make a change in the AUTOEXEC.BAT file. What do you do?
a. Explain that this procedure will void the warrantee
b. Explain that this should be attempted only by a qualifies service technician
c. Refer the customer to the MS-DOS manual
d. Politely answer the question
3. What voltage should you measure on the yellow wires coming from the power supply in a personal computer?
a. +5 Volts
b. -5 Volts
c. + 12 Volts
d. -12 Volts
4. Which of the following devices will NOT reduce the risk of ESD damage?
a. A humidifier
b. An ion generator
c. A grounded wrist strap
d. A line analyzer
5. Which of the following best describes a standby power supply?
a. It uses an isolation transformer to remove AC line noise
b. It uses metal oxide varistors (MOVs) to protect against AC line spikes
c. It consists of a battery connected between the AC line and the computer. The AC line charges the battery, and the battery supplies power to the computer
d. It consists of a battery connected between the AC line and the computer. The AC line simultaneously charges the battery and supplies power to the computer. When the AC line voltage is lost, the battery quickly switched so it, instead of the AC line, powers the computer
Answers
1. C
2. D
3. C
4. D
5. D
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Tags: A+, Practice Question, test
Posted in Everything Else, Practice Question | No Comments »
August 16th, 2008 by Bob
I was recently asked what the Recommended/Required Certifications/Degree(s) are to open a computer repair shop. Truth is, NONE, you don’t need any certification. You do need $50k to $75k to open your brick and mortar shop. You’ll need lots of stock, a good ad campaign to bring people in in the beginning (with great service, word of mouth will take over) and of course a tech & sales person. You would fill one or both of these roles.
Now as far as certification, I would highly recommended you get your A+ and N+ certs. A+ will teach you the ins and outs of the computer, the components, how to troubleshoot them and so on. You’ll also learn about the OS (operating system) and if you take your A+ in a classroom setting then you will most likely be building a computer from scratch. N+ will teach you what you need to know in regards to networking, people tend to have a lot of problems in this area.
And lastly, READ,READ and READ. Keep up on all the computer journals. Things change on a weekly basis in this business and you need to keep up with these changes.
As a side note, if you don’t have the money to open a brick and mortar shop consider running your shop from home. With a nice looking vehicle with some lettering for your business name, phone number, URL and emphasizing “In House Service” you do well.
It’s all about the service. If you give good service, you’ll have no problems getting customers.
Tags: Certs, Computer Repair Shop, Computer Shop
Posted in Networking | No Comments »
August 12th, 2008 by Bob
Here is a list of the more common command-line utilities that you should find useful while trouble shooting your network.
TCP/IP Command-Line Tolls
| Command |
Description |
| IPCONFIG |
Displays the basic local host configuratioon – IP address,the subnet address, the subnet mask and default gateway. |
| PING |
Sends a test packet to a specified address.If all is well, it will return. Use the loopback address (127.0.0.1) to test the IP architecture and configuration. |
| ARP |
Used to see the entries in the Address Resolution table. |
| ROUTE |
Use to see the local routing table and to add entries to it. Use ROUTE PRINT to display contents, ROUTE ADD to add entries and ROUTE DELETE to remove entries. |
| NBSTAT |
Used to check the resolutions of NetBIOS names to TCP/IP addresses. |
| NETSTAT |
Used to check the status of current IP connections. |
| TRACERT |
Used to verify the route to a remote host, |
| NSLOOKUP |
Used to verify entries on a DNS derver. |
Tags: command-line utilities, network, TCP/IP, Utilities
Posted in Everything Else, Networking, Utilities | No Comments »
