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Online Study Guide



 This activity contains 41 questions.

Question 1.
A peer-to-peer LAN is an appropriate network architecture for:
 
End of Question 1


Question 2.
All network nodes (computers and peripherals) are connected to each other and to the network by:
 
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Question 3.
The transmission medium used to connect nodes on wireless networks is:
 
End of Question 3


Question 4.
Which of the following is the most complex operating system to configure for a home network?
 
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Question 5.
____________ services, such as MySpace and Facebook, have you list personal information about yourself and encourage you to list connections to your friends.
 
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Question 6.
Which type of network requires HPNA adapters for communication between network nodes?
 
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Question 7.
An example of a UTP cable is:
 
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Question 8.
Wireless devices have a maximum range of approximately:
 
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Question 9.
When ____________ viruses infect your computer, they run a program that searches for common data files and compresses them into a file rendering your files unusable.
 
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Question 10.
Computer users who gain access to other companies' or people's computer systems with the intent to destroy information or for illegal gain are known as:
 
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Question 11.
Denial of Service (DoS) is:
 
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Question 12.
Firewalls use a process called ___________ to assign internal IP addresses on a network.
 
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Question 13.
Dynamic addressing makes it more difficult for hackers to find likely victims because:
 
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Question 14.
____________ computing is an efficient way of effectively linking millions of computers to perform complex calculations during lulls in their processing cycles.
 
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Question 15.
Which of the following is NOT a benefit of networks?
 
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Question 16.
Which of the following is NOT a component of all networks?
 
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Question 17.
Which of the following is FALSE?
 
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Question 18.
Viruses that change their own code (or periodically rewrite themselves) to avoid detection are called:
 
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Question 19.
The best defense against viruses is to:
 
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Question 20.
Packet sniffing is an approach used by firewalls to control access to a system's logical ports.
   
 
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Question 21.
A public wireless hot spot may use wireless gateway sentinel software to provide you with rates and an opportunity to pay for access.
   
 
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Question 22.
In a peer-to-peer network, one computer is a client and the other is a server.
   
 
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Question 23.
A node can NOT be a communications device, such as a modem.
   
 
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Question 24.
Software patches are code issued by the manufacturers of software programs, such as Windows, that repairs known security problems.
   
 
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Question 25.
In a client/server network, each node connected to the network can communicate directly with every other node.
   
 
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Question 26.
Devices connected to a network are referred to as NICs.
   
 
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Question 27.
If you install a device called a router to your network, you can share broadband Internet connections.
   
 
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Question 28.
Throughput is the maximum speed at which data can be transmitted between two nodes on a network.
   
 
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Question 29.
Routers transfer packets of data between two or more networks.
   
 
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Question 30.
Switches are the "traffic cops" of networks.
   
 
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Question 31.
Repeaters are devices that are installed on long cable runs to amplify the signal.
   
 
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Question 32.
Current wireless networks in the United States are based on the 802.11 standard.
   
 
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Question 33.
A transceiver is a device that combines the capabilities of a wired router with the ability to receive wireless signals.
   
 
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Question 34.
Cybercrime refers to any criminal action perpetrated primarily through the use of a computer.
   
 
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Question 35.
Amateur hackers are referred to as white-hat hackers.
   
 
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Question 36.
A packet sniffer is a program that looks at each packet as it travels on the Internet.
   
 
End of Question 36


Question 37.
Logical ports are virtual communications gateways or paths that allow a computer to organize requests for information from other networks or computers.
   
 
End of Question 37


Question 38.
Firewalls can be configured using software or hardware devices.
   
 
End of Question 38


Question 39.
Stealth viruses are designed to infect multiple file types in an effort to fool the antivirus software that is looking for them.
   
 
End of Question 39


Question 40.
Match the following acronyms with their correct descriptions:
A matching question presents 5 answer choices and 5 items. The answer choices are lettered A through E. The items are numbered 40.1 through 40.5. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A means of connecting to the Internet
B a coordinated series of attacks to block the service of a host computer
C software for controlling networks
D e-mail transmission rules
E interface adapter card
 
 
 
 
 
End of Question 40


Question 41.
Match the following terms with their correct descriptions:
A matching question presents 6 answer choices and 6 items. The answer choices are lettered A through F. The items are numbered 41.1 through 41.6. Screen readers will read the answer choices first. Then each item will be presented along with a select menu for choosing an answer choice. Using the pull-down menus, match each item in the left column to the corresponding item in the right column.
A can run independently of host file execution
B viruses that are triggered when certain conditions are met
C computers controlled by hackers using a backdoor program
D viruses that are triggered by the passage of time or on a certain date
E temporarily erase their code from the files where they reside and hide in the active memory of the computer
F program that appears to be something useful or desirable, but at the same time does something malicious in the background without your knowledge
 
 
 
 
 
 
End of Question 41





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