Telecommunications
Terms
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- What is a digital certificate?
- A password protected, encrypted data file containing message encryption, user and identification and message text.
- What is a bomb virus?
- Resides on the hard disk and is activated when a particular event occurs, such as a date change, a fle change or a user or program action.
- Stealth virus
- Resides in the computer's memory and conceals changes it makes to files, hiding the damage from the user and the operatiing system.
- File infecting virus
- Infects program files on a disk. When the infected program is run, the virus also runs.
- What is malware?
- Software designed to harm computer system.
- What is netiquette?
- The guidlines that encourages common sense and politeness, and establishes general rules for Internet etiquette.
- What browser features allows you to save Web site addresses for quick relocation?
- Bookmarks and favorites
- What type of browser is Lynx?
- A text-only browser
- You may not be able to view frames pages if your browser's copyright predates what year?
- 1996
- Both Netscape Navigator and Microsoft Internet Explorer allow you to customize:
- font-size
- What is a key?
- A variable value that uses an algorithm to encrypt and decrypt data.
- What is a Hash?
- A number generated by an algorithm from a string of text.
- What is the hardest virus to detect?
- Polymorphic
- What protocol is used for sending e-mail?
- SMTP or MIME
- What protocol is used for receiving e-mail?
- POP3
- SMTP uses what port?
- 25
- FTP uses what two ports?
- 20 and 21
- What part of the OSI reference model is responsible for 0's/1's?
- Physical Layer
- What part of the OSI reference model is responsible for creating packets?
- Network
- What part of the OSI reference model is responsible for encryption/decryption?
- Presentation
- What part of the OSI reference model is responsible for E-mail?
- Application
- What part of the OSI reference model is responsible for dialog?
- Session
- What does the subnet mask control?
- How many IP addresses you can have in a room
- What is the loopback address?
- 127.0.0.1
- What two servers a usually put together on one device?
- file and print
- What does a server do?
- A computer in a network that manages the network resources and provides, or serves, information to clients.
- What is a LAN (local area network?
- A group of computers connected within a confined geographic area.
- What is a database?
- A collection of data that can be sorted and searched using search algorithms.
- What is a table?
- A collection of data about a limted topic, organized into rows and columns in a database.