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Net Svcs Final
| Question | Answer |
|---|---|
| What does MAPI stand for? | Messaging Application Programming Interface |
| What does CGI stand for? | Common Gateway Interface |
| Name some technologies to create dynamic web sites. | Java, Javascript, Perl, C/C++, and ASP |
| What is a persistent connection in HTTP? | Perhaps the greatest change in HTTP/1.1 is its support for persistent connections, it no longer requires a separate connection to the web server for each object the browser wishes to download. |
| What is multi‐threading? | a technique by which a single set of code can be used by several processors at different stages of execution |
| What is inetd? | The inetd daemon, which handles all needed TCP/IP communication. |
| Describe load balancing using DNS | Multiple copies of the site on separate identical physical servers. DNS returns multiple IP addresses for the same address. |
| What are problems with load balancing using DNS? | It is difficult to determine to which IP address each client will resolve the site name. It is possible that the Web server belonging to one IP address will be highly loaded, while the others are sitting idle. DNS Caches may not stay alive forever. |
| How can you speed up web page access from a single server? | PHP |
| What does SSL stand for? | Secure Sockets Layer |
| What does TLS stand for? | Transport Layer Security |
| What does XML stand for? | Extensible Markup Language |
| What is a disadvantage of CGI? | The disadvantage of CGI is that it tends to be slow because each request for a dynamic document relies on a new program being launched. |
| What advantage does servlets have over ASPs? | Servlets have an advantage over ASPs in that they become cached in the Java Virtual Machine after their first execution. |
| What is Oracle? | Oracle Database is world's most popular relatioanl DB Management Systems. |
| What does PHP now stand for? | Hypertext Preprocessor |
| What port is used by default for HTTP? | 80 |
| What does JSP stand for? | Java Server Pages |
| What is Apache? | World's most popular web serevr |
| What does RDB stand for? | relational database |
| What does ASP stand for? | Active Server Pages |
| What does S/MIME stand for? | Secure/Multipurpose Internet Mail Extensions |
| What does ANSI stand for? | American National Standards Institute |
| What does SQL stand for? | structured query language |
| Name three email clients. | MS Outlook/Outlook Express Netscape Messenger Eudora |
| What does URL stand for? | Uniform Resource Locator |
| What does JDBC stand for? | Java Database Connectivity |
| What does HTTP stand for? | Hypertext Transfer Protocol |
| What does MHTML stand for? | "MIME HTML" stands for "Multipurpose Internet Mail Extensions" and "HyperText Markup Language" respectively. |
| What is concurrency control? | Database server software must establish rules to regulate access to multiple simultaneous users. |
| What does NNTP stand for? | Network News Transfer Protocol |
| What is Availability? | the ability to support non-stop (24x7) operations. |
| Which of the following is an example of a URL? | http://www.facebook.com/ |
| Another term for Application Server is? | middleware |
| What is Normalization? | the process of organizing data to minimize redundancy |
| What is a differential backup? | Only backs up changed data since last full backup. |
| What is a transaction log? | is a mechanism to compensate for database changes made during the period of time between backups |
| What does it mean to rollback a transaction? | to undo the results of a database transaction. |
| What does LDAP stand for? | Lightweight Directory Access Protocol |
| What does "Committed" mean in database terms? | permanently stored (or "committed") in the database |
| What is DB2? | IBM DB2 Product Family Runs on non-IBM machines such as Sun and Hewlett-Packard as well as IBM hardware, and operating systems such as Windows, Linux, Solaris, HP-UX, NUMA-Q, AIX, OS/2 and handheld device operating systems such as Windows CE and Palm. |
| What is MySQL? | Open source relational database system |
| Explain what three‐tiered means? | Presentation Tier, Application Tier, Data Tier |
| What does J2EE stand for? | Java 2 Platform Enterprise Edition |
| What does ODBC stand for? | Open Database Connectivity |
| What does SOAP stand for? | Simple Object Access Protocol |
| What does DBMS stand for? | database management system |
| What is Scalability? | The ability to handle high, variable, and non-predictable transaction throughput |
| What would let you log into a network, then access various resources without needing to provide your username. | NT'S Gateway Services For Netware(GSNW) |
| What is more secure SSL or TLS? | TLS |
| What are three elements of network management? | Security, performance, reliability |
| What is the difference between a Manager and an Agent? | Manager - react by executing a group of actions, including operator notification, event logging, system shutdown, and automatic attempts at system repair Agents - software used by devices that enables them to send alerts when they recognize problems |
| What does MIB stand for? | management information database |
| What are management Proxies? | entities that provide management information on behalf of other entities |
| What does SNMP stand for? | Simple Network Management Protocol |
| Why would you do a network audit? | To define what is normal for the network so you can evaluate deviations from that norm. |
| What is a baseline? | describes the normal status on the network, and provides a reference point |
| Which is not one of the five audit types listed in lecture two? | Aything that is not Inventory Audits Facility Audit Operational Audit Efficiency Audit Security Audit |
| What type of audit describes what is normal for any given network? | Operational Audit |
| What does EMI stand for? | Electromagnetic Interference |
| What does RFI stand for? | RF Interference |
| What does NFS stand for? | Network File System |
| What does RFC stand for? | Request for Comments |
| What does CIFS stand for? | Common Internet File System |
| What is SMB the same as? | CIFS |
| What does SMB stand for? | Server Message Block |
| What is SAMBA? | Samba allows Unix servers to communicate with the same networking protocol as Microsoft Windows products |
| What is smbd? | A daemon that allows file and printer sharing on an SMB network and provides authentication and authorization for SMB clients |
| What is nmbd? | NETBIOS Message Block Daemon A daemon that looks after the Windows Internet Name Service (WINS), and assists with browsing |
| What does SFU stand for? | Service for Unix |
| What does SAN stand for? | Storage Area Network |
| What does NAS stand for? | Network Attached Storage |
| What does DAS stand for? | Direct Attached Storage |
| What does SCSI stand for? | Small Computer System Interface |
| What is Fibre Channel? | A data rate of up to 1 Gbps. (A data rate of 10 Gbps has been proposed by the Fibre Channel Industry Association.) High-speed optical network technology. Runs at 2, 4, 8 and 16 gigabits per second. Used to connect Network data storage. |
| What is iSCSI? | Internet Small Computer System Interface. Technology that allows data to be transported to and from storage devices over an IP network. It serializes the data from a SCSI connection. |
| What is the difference between Postscript and PCL? | Postscript - Prints using Vector Graphics PCL - Prints using Raster Graphics |
| What is a WinPrinter? | A printer that only works with Windows |
| What does CUPS stand for? | Common UNIX Printing System |
| What is Vector Graphics? | Vector graphics produce images using mathematically generated points, lines, and shapes |
| What is Raster Graphics? | Raster, or bitmapped, graphics produce images as grids of individually defined pixels |
| What does BIND stand for? | Berkeley Internet Name Domain |
| What is a purpose of using a PROXY server? | Improve Performance: Filter Requests |
| What is a FIREWALL? | A system designed to prevent unauthorized access to or from a private network (intranet) |
| Which is not a techniques used by firewalls | Not: Packet filter Application gateway Stateful inspection |
| What is IP spoofing? | A technique used to gain unauthorized access to computers, whereby the intruder sends messages to a computer with an IP address indicating that the message is coming from a trusted host. |
| What does DMZ stand for? | de-militarized zone |
| What is a gateway? | In networking, a combination of hardware and software that links two different types of networks. |
| What is an Extranet? | If a corporate web connects two or more trading partners, it is often referred to as a business-to-business web, or Extranet |
| What does XML stand for? | eXtensible Markup Language |
| What does ADSL stand for? | Asymmetric Digital Subscriber Line |
| What does IMAP stand for? | Internet Message Access Protocol |
| What is the difference between Unicode and ASCII? | Unlike ASCII, which uses 8 bits for each character, Unicode uses 16 bits, which means that it can represent more than 65,000 unique characters. Unicode represents Characters as integers |
| What does MIME stand for? | Multipurpose Internet Mail Extensions |
| What does SMTP stand for? | Simple Mail Transfer Protocol |
| What does MTA stand for? | Mail transfer Agent |
| What is an example of a MUA? | Eudora and Outlook |
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