Selasa, 15 Januari 2013

IT Essentials-Chapter 16: PC Hardware and Software (Version 4.1)



IT Essentials-Chapter 16: PC Hardware and Software (Version 4.1)
chapter 16
1) Which data security technology takes the form of an object which must be close to a computer before the user can successfully submit a username and password?
#Security key fob

2)Why would security application software be implemented on a network?
#To protect operating system

3)Thich two factors should management consider when developing a security policy?(Choose two) # Expense of the security protection
# The costs that are associated with data loss

4)After logging into a computer a user is unable to access the CIW folder. Access to this folder is necessary to complete an assignment. Which two actions can the administrators take to provide the user access to the folder?(Choose two)
#Give the person rights to the CIW folder
#Add the user to a group that has the rights to the CIW folder

5) After a technician collects information from the computer, which two sources can provide the technician with possible solutions for various types of network-related problems? (Choose two.
)#the manufacturer FAQ for network devices
#technical websites

6) A network administrator is trying to change the account name of a user but cannot make the changes. What could be a possible cause?
#The administrator does not have the correct permissions to make the change.

7)Which important feature is offered by the USB standard?
#It can supply power from the computer to devices

8) A user reports that the antivirus software on a computer is always turned off when the computer is restarted, despite being reactivated each time the computer starts up. Further investigation by the technician shows that the Internet browser also displays an incorrect homepage. What is the probable cause of these problems?
#The computer has been infected with spyware.

9)What are two interrelated aspects that would be involved in the physical security of an organizacion? (Choose two)
#Infrastructure #
Type of Layer 2 devices that are used within the network

10)Which two hasting algorithms are used to ensure that messages are unaltered during transmission?(Choose two)
# MD5
# SHA

11) Which Windows XP command initiates a backup from the command line?
#ntbackup

12)Which issue should be addressed in the detailed information thet is provieded by a local security policy?
#The types of intrusions that are covered by the policy

13) What are two features of Windows Vista Backup? (Choose two.)
#The backup files have the expension .zip.
#The backup files can be saved to another connected computer or server

14)What is a feature of the firewall capability when Windows Vista is the operating system?
#The firewall can be managed manually by permitting or allowing specific ports

15)Which physical security technology uses an embedded integrated circuit chip to store data safety and is commonly used in secure ID badges?
#Smart card

16)A customer has a web server for a small business. The bussiness uses both wired and wirelless networking. A linksys WRT300N wireless router provides wireless and wired connectivity. What firewall option may be enabled in order for customers to gain access to the web server from their remote locations?
#Port forwarding

17)What can a homeowner who has a wireless router do to hide the wireless router signal from the surrounding neighbors?
# Disable SSID broadcast

18)Why should the default username and password be changed as soon as an access point is powered on and accessed?
#The change provides a minimum level of security to the access point

19) Which two advantages are attributed to a hardware firewall when compared to a software firewall? (Choose two.)
#It does not impact the processing performance of the equipment it protects.
#It is designed to protect more than one computer.

20) Windows XP should be updated on a regular basis. In which situation should automatic updates be disabled?
#Users accessing the network using a dial-up connection need to control when the updates are downloaded and installed.

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