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30 Cards in this Set
- Front
- Back
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Are Trojan Horses viruses
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no, but they act like them
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What is a Polymorphic Viruses
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a viruses that change sits own code to avoid detection.
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what is a multipartite virus
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A virus designed to infect multiple file types.
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Stealth viruses is
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a viruses that temporarily erases their code from files and hides in active memory
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Viruses can be classified by the methods
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they take to avoid detection.
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Antivirus software works by
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looking for virus signatures, quarantining and inoculating key files
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What are encryption viruses
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Compress files using encryption key then ask for money to get a decrypter
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Scripts are
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mini programs that are executed without your knowledge
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A script viruses attacks your computer when you run a .... script
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malicious
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Melissa virus became first major..... virus, it was also an example of the first ....virsus
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macro, email
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The melissa virus sent it self to the first .....people in the adress boook
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50
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....... are viruses that are triggered when certain logical conditions are met
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Logic Bombs
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......are viruses that are triggered by the passage of time or on a certain date.
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time bomb
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Worms are slightly different from viruses in that they attempt to travel between systems through network connections to spread their infection.
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true
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The ........... is a virus that executed whenever a computer boots up, ensuring that the virus will be loaded into the memory immediately
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boot sector virsus
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True or false. If your computer is exposed to a file infected with a virsus, the virus will to to copy itself and infect a file on your computer.
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True
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true/false. If you never expose your computer to new files it will never become infected.
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True
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true of false. just opening an e-mail message will infect your computer with a virus.
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false
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Why is a wireless network more vulnerable than a wired network?
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they have wide ranges including areas outside your house
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What are logical ports?
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Logical Ports are virtual communication gateways or paths that allow a computer to organize requests for information such as web page downloads.
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What is a denial of Service attack or DOS attack?
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In a denial of service attack legitimate users are denied access to a computer system because a hacker is repeatedly making requests of that computer system through a computer he or she has taken over as a zombie. Computers can handle only certain number of requests before they shut down
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How do hackers steal a credit card number?
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They use a packet sniffer.
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true or false. Wired Ethernet networks are the fastest home networks.
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true
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What if a node on the network can't communicate with other nodes or with the router?
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repositioning the node or the wireless network adapter within the same room can often affect communication between the nodes.
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the maxium range of wireless devices is about 250 feet?
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true
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A transceiver is a device that translates the electronic data that needs to be sent along the netwrok into radio waves then broadcasts theses radio wave to other network nodes.
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true
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true of false. Just like other networks each node on a wireless network requires a wireless network adapter.
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true
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.....are devices that transfer packets of data between two or more newtorks.
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ROUTERS
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A SWITCH ACTS LIKE A .... FOR PACKETS OF INFORAMTION
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TRAFFIC SIGNAL
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A HUB IS A NETWORK NAVIGATION DEVICE THAT MERELY RETRANSMITS A SIGNAL TO ALL OTHER NODES ATTACHED TO IT.
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TRUE
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