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30 Cards in this Set
- Front
- Back
Trojan |
A program that presents itself as innocent, but is actually there to get your passwords and other information. |
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Virus |
It erases portions of code to create a path that changes your program and adds malicious code to it. |
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Worm |
Something that starts up processes that allow it to replicate itself and spread to other computers. |
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page fault |
A number of times a thing needs to be loaded from the paging file. Causes thrashing |
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Grep |
A search tool that searches inside documents |
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What port does FTP use? (same as secure shell) |
22 |
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What does SSH do? |
It lets people hack phones and get root passwords. |
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What are the two most well-known ports |
80 (HTTP) and 443 (httsp) |
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Describe Linux permissions |
Three groups of three digits. (read, write, execute) First is the owner, then group, then everyone. ex. rwx - w-- - --x Read = 4, Write = 2, Execute = 1 |
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What does a single dot mean in the CLI? |
In the current directory |
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What does TCP do? |
It ensures the delivery of packets |
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What does UDP do? |
It doesn't care if the packets are delivered. Good for audio and video, stuff keeps on coming without stopping. |
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What is DHCP? (Dynamic Host Configuration Protocol) |
Gives a device its IP addresses |
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What is a WAN? |
A connection of different LANs |
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What is the Server Message Block (SMB)? |
It's the message format used by DOS and Windows to share files, directories, and devices. |
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What does the DIR command do? |
It displays a list of a directory's files and subdirectories. |
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What are some characteristics of NTFS? |
It is a very robust system, but it's not very readable. It also has journalizing. |
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What are some characteristics of EXT3 |
Used in Linux, has the same functionality as NTFS. with the 3rd edition (EXT3), it had journalizing. |
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What are some characteristics of FAT? |
It is universally readable and writeable, has partition limit, file limit of 4Gb), no encryption, no compression. |
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What is VPN? (virtual private network) |
Uses tunneling to transfer data safely. Used when making a private network is too costly. it's less secure, but it's still pretty secure. |
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What does FTP do? |
It allows for the rapid transfer of files across the web. |
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What is SMTP used for? |
sending and receiving email. |
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What is a set of rules that lets two computers talk to each other? |
protocol |
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In the absence of DHCP, all hosts on a network must be manually configured with static IP addresses. True or False? |
True |
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What is the Linux version of SMB? |
Samba |
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USB 3.0 has a transmission rate of... |
5 Gb/s |
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Which Windows Explorer control allows you to connect a drive letter to a shared resource on another computer? |
Map network drive |
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A card catalog to the files on your hard drive |
index |
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What is it when your computer uses the paging file too much. |
Thrashing |
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What is the Linux version of Task Manager? |
System Monitor |