Question | Answer |
What are three elements of network Managment | security, performance and reliability |
What is the difference between manager and agent? | Agents are devices or computers that send out alerts iwth software, Managers excute multiple actions notifications logging |
what is MIB | Management Information Database |
What are management Proxies | Entities that provide Management information on behalf of other entities |
What is SNMP | simple network management protocol |
Why would you do a network audit | Equipment info, location and operation. Audit defines what is normal |
What is a baseline | Baseline describes the normal status on the network, and provides a reference point |
Name five types of Audits | Inventory Audits, Facility audits, Operations Audit, Efficiency Audit, Security Audit |
RFI | Radio Frequency Interference |
EMI | Electromagnetic interference |
What is SOAP | Simple Object Access Protocol |
What is NFS | Network File Systems |
What is RFC | Request for COMMENTS |
What is CIFS | Common internet file system |
WHAT is the SMB the same as | CIFS |
What does SMB stand for? | Server Message Block |
What is SAMBA | A suite of Unix Applications that speak the SMB protocol |
What is SMBD | which provides the file and printer sharing services |
What is NMBD | NetBIOS name server |
What is SFU and what can it DO? | Service for UNIX, Provides file sharing remote access and admin, pass sync, common direcotyr management |
What does SAN stand for | Storage Area Network |
What does NAS | NETWORK attached storage |
What DAS stand for | Direct Attached Storage |
What does SCSI stand for | Small computer systems interface |
What is Fibre Channel | Transmitting data between computer at 1 GPS |
What is iSCSI | Internet Small Computer System Interface :a tech that allows data to be transported to and from storage devices over an IP network |
what is the difference between postscript and PCL | While PCL driver enables access to the maximum number of printer features, it offers limited capabilities. However, for everyday office color printing, this driver is recommended. |
what is a WinPrinter | Windows only printer drivers provided by the vendor |
CUPS | Common UNIX printing system |
What is a Raster Graphics | Editing of Grid like Pixels |
Vector Graphics | produce images using Mathematically Generated points lines and shapes |
BIND? | Berkeley Internet Name Domain |
what is the purpose of using a proxy server | To intercept all requests to the real server to see if it can fulfill the request itself. If not it forwards the request to the real server |
What is a firewall | A system Designed to prevent unauthorized access to an from a private network |
Name three techniques used by firewalls | Packet filter
Application gateway
Statefull inspection |
IP spoofing is | intruder sends messages to a computer with an ip address indicating that the message is coming from a trusted source |
DMZ | Demilitarized Zone |
What is a Gateway | A combination of hardware and software that links two different types of networks |
What is an Extranet | it is a computer network that allows controlled access from the outside, for specific business or educational purposes |
XML | eXtensible Markup Language |
LDAP | Lightweight Directory Access Protocol |
ADSL | Asymmetric Digital subscriber line |
IMAP | Internet Message Access Protocol |
What is the difference between Unicode and ASCII | Unicode = 16 bit
ASCIi = 8 Bit |
What is a MIME | Multipurpose Internet Mail Extensions |
MTA | mail transfer agent |
2 Examples | Unix send mail and Exchange microsoft |
What are two Examples of MUA | Mail User agent Eudora Outlook |
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++; ASP |
What is a persistent connection in HTTP? | is the idea of using a single TCP connection to send and receive multiple HTTP requests/responses, as opposed to opening a new connection for every single request/response pair. |
What is multi‐threading? | Execute different parts of a program, and can run multiple threads at the same time without interfering with each other. |
What is inetd? | An internet service daemon which manages internet services, handles web browser request |
Describe load balancing using DNS as described in notes. | Easiest ways to create a web site that can handle more hits, involves multiple copies of the site on separate physical servers, each server much be identical |
What are problems with load balancing using DNS? Choose best answer. | figuring out IP address each client will resolve the site name.
1 client per web server-site per visit
1 ip address will be highly loaded |
How can you speed up web page access from a single server? Choose the best answer. | By using a reverse proxy |
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? | 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 additional advantage over ASPs in that they become cached in the Java Virtual Machine after their first execution.
• VBScript pages are reinterpreted each time they are hit. |
What is Oracle? | • Is the latest generation of the world's most popular RDBMS.
• An Oracle database is a collection of data treated as a unit. The purpose of a database is to store and retrieve related information. |
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? | High-end enterprise-level server for Unix and Windows 95/98/NT platforms(Web Server) |
What does RDB stand for? | Relational Data Base |
What does ASP stand for? | Microsoft 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 Protoco |
What does MHTML stand for? | Multipurpose Internet Mail Extension Hypertext Markup Language |
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? | A Uniform Resource Locator (URL), in simple terms, is the address of a website eg. 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? | • Differential backups only contain data modified since the last full backup.
• In the event of a database failure, a differential backup alone will be useless |
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? | • by rolling back any transaction which was active at the time of the crash, the database is restored to a consistent state. |
What does LDAP stand for? | Lightweight Directory Access Protocol |
What does ‘Committed’ mean in database terms? | • In the context of a database transaction, a commit refers to the saving of data permanently after a set of tentative changes |
What is DB2? | DB2 is a family of database server products developed by IBM |
What is MySQL? | Open source relational database system |
Explain what three‐tiered means? | database, client program, and application server |
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. | |
What is more secure SSL or TLS? | TLS has replaced SSL for the most part |