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The Certification Hub
http://www.thecertificationhub.com/
Presents your - IT Certification Tips & Tricks Newsletter - Issue No. 2 [08/15/2003]

NEWS

CompTIA To Drop Adaptive Format
CompTIA will no longer be using the adaptive format for any of its certification exams. Currently, only on its A+ Core and OS exams are offered in adaptive format.
Come Sept. 12,  A+ exams revert to linear format. More Info

Microsoft Introduces New Question Types
New exams slated for release this year to feature many new testing innovations and improved security. Microsoft will be introducing in newer exams, including the Windows Server 2003-based exams slated for release this month. Microsoft has also updating it's exam format to scenario-based questions. These new question types offer intuitive interfaces, user-friendly features, and improved navigation. More Info

Windows 2003 Exams Now Available: Learn about new and upcoming exams.

What you need to know about these pesky worms/viruses that have been "harassing" your systems during this month of August
Blaster and now SoBig have sent hundreds of thousands of home users and many network administrators reeling as systems crash, servers collapse under the weight of a spam-like e-mail onslaught and users worry about what's coming next. It's made everyone re-examine how we protect our systems.
God bless you if you are using a high speed connection without any form of protection - Firewall and/or Antivirus !

>> What You Should Know About the Blaster Worm and Its Variants .
>> Symantec Security Response - W32.Sobig.A@mm
>> Protect Your PC & Data From ANYTHING! Norton AntiVirus 2003, the newest version of the world’s most trusted antivirus solution for home computer users. Norton Utilities 2003 and Norton CleanSweep 2003, providing integrated, comprehensive PC maintenance, problem-solving, system optimization and file removal capabilities. Click Here
>> Note: Windows XP Firewall Defaults to Change in Wake of Blaster Worm - Microsoft will change the default firewall settings for new shipments of Windows XP in response to the wide spread of the Blaster worm, according to published reports. Blaster, also known as MS Blast, Lovsan and Poza, began spreading late last week ago through an error in Microsoft's programming of the Distributed Component Object Model (DCOM) Remote Procedure Call (RPC) that Microsoft patched in mid-July. The worm exploits the flaw automatically without requiring users to make any mistake beyond leaving a system unpatched. Microsoft will begin shipping Windows XP with its built-in Internet Connection Firewall fully activated. The firewall, which was first introduced to Windows with Windows XP in 2001, is fully enabled by default in Windows Server 2003. If you are running Windows 9x, XP or 2K, Click here to apply patches to your system - Very Important!. Always allow critical system updates. You can run Windows XP's Automatic Update Wizard. Yes, Microsoft releases updates every Wednesday, but it does so for a reason. It's trying to stay ahead of the hackers and virus authors. What's more, Microsoft and others are constantly finding small (and large) system bugs that these patches are designed to fix.
>> It is very important that you check the Security site regularly for the most recent news: http://www.microsoft.com/security/
>> Surf to the following links for further info:

  • Windows XP Professional Users - http://www.microsoft.com/windowsxp/pro/using/howto/networking/icf.asp
  • Windows XP Home Edition Users - http://www.microsoft.com/WindowsXP/home/using/howto/homenet/icf.asp
  • Windows Server 2003 users -http://www.microsoft.com/technet/treeview/default.asp?url=/technet/prodtechnol/windowsserver2003/proddocs/standard/hnw_enable_firewall.asp
  • Windows NT 4.0 and Windows 2000 users - You need to install a third-party firewall. There are no built in firewalls in your OS. We recommend the following software firewalls:

      Software Firewalls - For Dial Up / High Speed Connections
      >
    ZoneAlarm - Available in FREE & PRO versions. Runs in all  recent Windows versions - 98, 98SE, ME, NT4, 2000, and XP
      > Tiny Personal Firewall - Runs in all  recent Windows versions - 98, 98SE, ME, NT4, 2000, and XP
      > Outpost Personal Firewall - Runs in all  recent Windows versions - 98, 98SE, ME, NT4, 2000, and XP
      > McAfee Personal Firewall/Online VirusScan -  Runs in all  recent Windows versions - 98, 98SE, ME, NT4, 2000, and XP
      > If you are using AOL Version 8 or Lower - Download "AOL 9.0 Optimized" - Shipped with a free fire wall.
      > Kerio Personal Firewall - 30 Day Free Trial. Runs in all  recent Windows versions - 98, 98SE, ME, NT4, 2000, and XP
      > Black ICE Defender - Runs in all  recent Windows versions - 98, 98SE, ME, NT4, 2000, and XP

  •   Hardware Firewalls - High Speed Connections
      > Read  PCMAG Review
      > Need a Hardware Firewall - Click Here

  • Use these firewalls together with antivirus software. Make sure that your virus signatures are updated regularly...at least twice a week [Manually] OR better still...set your antivirus software to update itself automatically!  Most major antivirus manufacturers have posted alerts and updates to capture and clean the virus. If you do not have antivirus software, get it now. We recommend Symantecs - Norton Antivirus: Click Here
  • Other measures you should take include: Avoiding infection is your #1 defense.
    Blaster does not spread via e-mail, but here's a little primer on how to avoid e-mail infection from other nasty bugs: Don't open e-mail from unknown senders. We know those subject lines look enticing, but we guarantee you won't find what they promise when you open them. Turn off your Preview Pane in Outlook. Trojans can launch if the mail is opened in the preview pane. From the menu bar select View and then Preview Pane. Create a whitelist of acceptable e-mail senders and use filters to move spam and potential virus-laden e-mail to the trash folder. Make sure your antivirus solution pre-scans mail.

WINDOWS TIPS
Using The Setup Manager For Unattended Installation - Windows NT 4.0
Installing Windows NT 4 on several machines can be a daunting project. Fortunately, NT supports a feature called unattended installation that automates this task.

With unattended installation, you can create a special script, or answer file, that includes all the settings you would otherwise have to specify manually. When the installation begins, point the setup to this file. The installation will then complete without requiring any further action from you.

During the creation of the answer file, you'll quickly realize that there are numerous settings and options to define. Since you won't have any way to validate the script file before running the unattended installation, plan on learning from your mistakes.

Fortunately, Windows NT 4 Resource Kit ships with a utility that can help. With this utility, Windows NT Setup Manager, you'll be able to specify most of the options supported in the answer file. Be sure to start with a sample answer file, and then customize this file to better suit your needs.
| Windows NT Workstation Home | Exam 70-244: Elective For Windows 2000 MCSE |

Get Resource Kits
>> Windows 2000 Server Resource Kit - Click Here

Use [CTRL] For Opening Folders - Windows 2000 Professional
You're probably aware that you can configure Explorer such that when you double-click a folder it either opens using the current window or opens the folder in a new window. Which one you use is mainly a matter of personal preference. The former keeps your desktop uncluttered while the latter lets you keep the current folder open, which is handy for copying or moving documents between folders.

What many users don't realize is that you can modify actions such as opening folders using the [Shift] and [Ctrl] keys. For example, assume you configured the system to reuse the current window. You have a folder open and want to go back to the parent folder without closing the current one. You don't want to start from the root and work your way down again, which would be a waste of time. Instead, just hold down the [Ctrl] key and click the Up button on the folder's toolbar. You can also hold down [Ctrl] while you double-click a folder. This keeps the current window open and opens the selected folder in a new window.

Setting & Configuring User Rights - Windows 2000
Although Windows 2000 is a secure operating system, it doesn't mean your network is safe from attacks. It simply means that the operating system provides several features that can help you secure your important data--it's up to you to configure and use them correctly.

Among the various security settings you set in Windows 2000 are user rights. User rights define specific system-wide actions that users can perform. Examples of user rights include adding workstations to the domain, logging on locally, and shutting down the system. If you want to close all the holes in your system, consider looking at user rights, especially for Windows 2000 servers. For instance, you should control who can log on locally to your domain controllers. Another user right to check is Shut Down System; you normally don't want users to shut down your critical servers.

You can change user rights through Group Policy. If you want to set user rights on a local machine, open the Local Security Policy from the Administrative Tools folder and browse to Local Policies | User Rights Assignment. To change the settings in a domain, you must open a new Group Policy and browse to the Computer Configuration | Windows Settings | Local Policies | User Rights Assignment.

DHCP Server Authorization - Taming Rogue DHCP Servers
The lease process involves a simple exchange of IP packets. There is no authentication or encryption, so there is basically no security.

Now suppose someone sets up another DHCP server with different IP addresses. As you recall, clients will select the server that responds first. If some unauthorized (also called rogue) server is chosen, clients will get incorrect IP addresses and other TCP/IP configuration data and will thus be unable to communicate with other computers on the network.

To prevent such rogue DHCP servers from leasing wrong configuration data on the network, Windows 2000 requires all Windows 2000 DHCP servers to be authorized. When a Windows 2000 DHCP server starts, it queries the Active Directory. If it finds out that it's not authorized, it will not start the DHCP service. If it is authorized, it will start the DHCP service and thus provide TCP/IP configuration to clients.

Unfortunately, this works only for Windows 2000 DHCP servers. You can still use Windows NT 4.0 DHCP servers or other unauthorized servers on the network.

To authorize a Windows 2000 DHCP server you have to be a member of the Enterprise Admins group. Open the DHCP console, right-click on DHCP, and select Manage Authorized Server. Then click on Authorize and type the name or IP address of the DHCP server you want to authorize.


FREE TEST QUESTIONS
Exam:N10-002 - CompTIA Network+
A customer calls saying that the new modem they just installed themselves is not connecting to their Internet Service Provider. They hear the dial-tone and the other modem answering, but the connection is dropped within a few seconds. What might be a logical reason for this?

A. The modems are incompatible
B. The modem is configured on the wrong COM port
C. The customer has call waiting and another call is disrupting the connection
D. The customer check the "only connect at this speed" option and the ISP's modems are not as fast as the customer's.

Answer: D - Modems on both ends negotiate a connection speed (handshaking) which can vary due to various reasons. If your modem is set to connect at one speed only, a handshake failure may occur. Call-waiting service offered by the phone company can cause dropped lines. If you have call-waiting service, you need to disable it when you dial into the Internet. Second, noise on your phone line can cause dropped lines. Check for noise by connecting a telephone receiver to the phone line normally connected to your modem. Phone lines drops are sometimes seen in the first few seconds after the modem handshake is completed due to a bad "handshake" . Dropped lines could also be caused by a mismatch between users' modems and hardware at the other end of the phone line.
References: | What causes Modem Disconnections? |

What would happen if you installed an external modem on COM2 with an I/O address of 0F8-0FF?

A. The modem would probably fail since this is a common I/O range for the math co-processor
B. The modem might initialize but an Interrupt conflict with the Timer would cause it to fail when dialing
C. The modem would work as long as the mouse was disabled
D. The modem would work just fine at these settings

Answer: A - I/O  or IRQ conflicts can cause hardware to fail.
References: | PCI Modem Installation & Troubles |

What three options would create a good password policy?

A.  Mix letters and numbers, more than six characters, and force changes yearly
B.  Mix letter and numbers, no less than four characters, and less than nine characters
C.  Use all uppercase letters, force changes quarterly, and write the passwords down
D.  Keep a written list, use easy to remember names, don't force password use
E.  Mix letters and numbers, force changes every three months, and require password lengths of six to eight characters

Answer: E - Passwords should always contain both letters and numbers. Passwords with seven or more characters typically will take over 90 days to crack by brute force, so if you change seven character passwords every three months, you will greatly reduce the risk of a brute force attack of your passwords.

 
Exam:70-210 - Implementing & Administering Windows 2000 Professional
When using the RIS setup Wizard, the RIS software is installed, the Windows 2000 Professional installation files are copied to the server, and what else is done for you? (Choose Two)

A.  The client installation setup steps for system startup are configured.
B.  The client installation wizard pages for system startup are configured.
C.  *.sif files are created for you.
D.  Unattend.txt answer files are created for you.
E.  The cloned image that the RIS install will use are configured.

Answer: B & C
References: | Microsoft Technet |

Of the following permissions, which one is not a standard NTFS permission that could be assigned to users or groups for Folder/File access?

A. Full Control
B. Change
C. Read
D. Write
E. Read & Execute

Answer: B
References:  |
MCSE Exam 70-215: Installing, Configuring, and Administering Microsoft Windows 2000 Server Study Test Questions |

 
Exam:70-215 - Implementing & Administering Windows 2000 Server
You are the administrator of a mid-sized NT4 network, You want to upgrade your network to Windows 2000 to enable  better administrative control over your clients. Your network consists of one PDC, 6 BDC's, 13 Windows NT4.0 member servers, and 450 clients. The clients are running a combination of Windows 2000 Professional, Windows NT 4.0, Windows 98 & Windows 95.  Your goal is to be able to institute Group Policy for as many of your clients as possible so that you can regain control of your network. What are the minimum steps you need to take to allow you to institute Group Policy on your network?
   
A. Upgrade the PDC to Windows 2000 Server. After the PDC is running Windows 2000, use group policy to administer computers running Windows 2000.
B. Upgrade the PDC to Windows 2000 Server. Upgrade all BDC's to Windows 2000 Server. After all Domain Controllers are running Windows 2000, can use group policy to administer computers running Windows 2000.
C. Upgrade the PDC to Windows 2000 Server. Switch the domain to native mode. Upgrade all BDC's to Windows 2000 Server. After the domain is in native mode,  use group policy to administer computers running Windows 2000.
D. Upgrade the PDC to Windows 2000 Server. Upgrade all BDC's to Windows 2000 Server. Switch the domain to native mode. After the domain is in native mode,  use group policy to administer computers running Windows 2000.
E. Upgrade the PDC to Windows 2000 Server. Upgrade all BDC's to Windows 2000 Server. After all Domain Controllers are running Windows 2000, use group policy to administer all computers.
F. Upgrade the PDC to Windows 2000 Server. After the PDC is running Windows 2000, you can use group policy to administer all computers
 
Answer: A - When you upgrade the PDC to Windows 2000 the active directory installation wizard is automatically run. This will give you a Windows 2000 domain in mixed mode. While operating in mixed mode, you can have both NT4 and Windows 2000 domain controllers while gaining some of the benefits provided by having Windows 2000 domain controllers. One of the benefits gained by upgrading to a Windows 2000 Active Directory domain is the ability to institute group policy on all computers running Windows 2000 Professional. It is not necessary to have all domain controllers running Windows 2000 to take advantage of Group Policy nor is it necessary to run a domain in native mode to take advantage of Group Policy. You will not be able to administer all computers through Group Policy as only Windows 2000 clients support Group policy. Windows 95, Windows 98, and Windows NT clients are still administered using the system policy editor in the same manner that they were in a Windows NT domain.
References: | Microsoft Technet1 | Microsoft TechNet2 |
 
Exam: [220-221] - CompTIA A+ Core Hardware
Where would you look to find what IRQs are already assigned on a Windows 95/98 PC?

A. The system BIOS/CMOS
B. The System Properties in the Device Manager under Control Panel
C. The Ports properties in the Device Manager under Control Panel
D. Only by documenting each hardware device manually

Answer: B - You can find what IRQs are being used in Windows 95/98 by going to the Control Panel --> System --> Device Manager or by right clicking My Computer --> Properties --> Device Manager.

What do the labels LPT and COM pertain to?

A. Printers and serial communications ports
B. Disk drives and printer ports
C. Line monitors and communications ports
D. Disk drives and floppy drives

Answer: A - Printers and serial communications ports LPT refers to the line printer, and COM refers to the communications port. The LPT port is a parallel connection and the COM port a serial connection. Most PC systems support two COM ports and two printer ports: COM1 and COM2 and LPT1 and LPT2. Remember that on most modern motherboards the COM ports use a DB9 connector and the printer ports use a DB25 connector.

The keyboard is completely dead, but all computer operations are normal. What is wrong?

A. Keyboard interface IC is bad.
B. Keyboard controller has failed.
C. Keyboard has a stuck key.
D. Keyboard is disconnected from the computer.

Answer: A - Using a multimeter you should read +5 Vdc supply at the keyboard connector. If this is not present, the keyboard interface IC is bad.

 
Exam: [220-222] - CompTIA A+ OS Technologies
Which of the following reasons might justify choosing NTFS as the file system for a Windows NT partition?

A. Broad readability on a multi-boot machine.
B. File and directory level security controls.
C. Duplicate directory structures for improved fault tolerance.
D. Built-in transaction logging to reduce data loss.
E. Support for volumes up to 16 Exabytes in size.

Answer(s): B, C, D, E - NTFS volumes remain readable only for Windows NT, by and large, so answer a is incorrect. NTFS offers object-level security controls over volumes, directories, and individual files. NTFS maintains duplicated copies of directory tables and structures for improved fault tolerance. NTFS support transaction logging so that incomplete writes owing to NTFS's "lazy write" algorithm can be replayed, committed, or backed out, as their completion status dictates. This helps to minimize data losses caused by system crashes. NTFS volumes may be up to 16 Exabytes in size (though no actual implementations have come close to this ceiling).
 

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