chtp review: general technology - hftpmarketing / web applications ... managing technology: time and...
TRANSCRIPT
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CHTP REVIEW: General Technology
Cihan “G-Han” Cobanoglu, Ph.D., CHTPUniversity of South Florida Sarasota-ManateeApril 7, 2011
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HFTP
About Presenter• Professor at University of South Florida
Sarasota-Manatee (a.k.a Paraside)• Chair of AH&LA Technology Committee• Active with HFTP for 15 years
(e.g.CHTP Committee)• Editor of Journal of Hospitality &
Tourism Technology• Author of 5 textbooks + 200 articles
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HFTP
Welcome to CHTP Exam!
• http://www.hftp.org/Pages/Certification/CHTP.aspx
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HFTPWhat To Expect
Multiple Choice and True/False
4 Sections
250 – Choose most correct answer
75% Passing grade in each section
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HFTPReview Topics
General Technology: Network Administration Emerging Technologies Telecom System Architecture
Targeted Technology: Facilities Club Applications Resort / Spa Marketing / Web Applications
Hotel Technology: Accounting / Payroll / HR Food and Beverage Lodging Applications
Managing Technology: Time and Attendance Systems General Management System Strategies System Analysis and Selection
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HFTP
General TechnologySection One
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HFTP
Poll Question
I plan to take CHTP exam:a) I do not plan to take itb) Within 3 monthsc) Within 6 monthsd) Within 1 year or more
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HFTP
Poll Question
What is your MAIN functional area:a) Accounting/Financeb) Information Technology (IT)c) Accounting & ITd) Operationse) Other
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HFTP
Network Operating SystemsA combination of programs,
gives some computers and peripherals the capability to accept requests for service across the network, and provide computers the capability to correctly use network devices.
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HFTP
Poll Question
Which of the following is NOT an example of network operating systems?
a) Windows XP Home Editionb) Windows 7 Serverc) Novelld) Linux
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HFTP
Network Operating Systems NT
Server 2003
Novell
Linux
UNIX (HP-UX= HP/s Unix AIX=Unix in France)
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HFTP
The Operating /System Kernel File Management
Memory Management
Peripheral Control
Network Communication
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HFTP
Connectivity Provides communications across a defined network Advantages Data Sharing Application Sharing Device Sharing Communications (packets)
Local Area Network (LAN) Wide Area Network (WAN) Metropolitan Area Network (MAN)
Network Design
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HFTPNetwork Architecture
Definition: The technique used by a NIC/LAN adapter to control access to a cable and cable connectors.
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HFTPNetwork Architecture
Two Types: Peer to Peer: client-based Client Server: server based Have a higher startup cost than
peer to peer networks; provide good control, backup, and management of critical data; offers security, data management, fast response and room for expansion, but DOES NOT need all the software installed on the server.
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HFTPLAN
Definition: A configuration of workstations that enables users in the same office to share data, programs, and output devices (such as printers).
Cable Connections: Fiber, Twisted Pair, Coax, and Twinax
Twinax is not the recommended line for moving large data or video files.
Connection type and speed: 10Mbps, 100Mbps, 1000Mbps (Gigabyte)
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HFTP
Poll Question
Which of the following cables is the fastest in terms of transmission speed of data?a) Fiber Opticb) Twisted pairc) Coaxiald) None of the above
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HFTP
Twisted Pair
(a) Category 3 UTP.(b) Category 5 UTP.
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HFTP
Twisted Pair
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HFTP
Twisted Pair
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HFTP
Coaxial Cable
A coaxial cable.
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HFTP
Coaxial Cable
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HFTP
Coaxial Cable
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HFTP
Fiber Optic
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HFTP
Fiber Optic
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HFTPWAN
Definition: Multiple connection of computer networks, from building to building, city to city, state to state, and country to country utilizing DSU/CSU router.
• CSU/DSU: Channel Services Unit/ Data Services Unit. Is used to connect computers, video equipment, and multiplexors to digital phone lines.
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HFTPWAN
Connections type and speed: ISDN (128Kbs)- Integrated Services Digital
Network offers the lowest overall circuit cost type of
service for connection of remote network sites to a central location.
T1* (1.5Mbps) and T3* (up to 45Mbps) The standard speed is NOT 100Mbps.
NOT Associated Technologies NIC’s, Repeaters, Hubs & Apple Talk
* These are U.S. centric terms
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HFTPCorporate
orFranchisee
Level
HR, Payroll, ERP-G/L,Inventory Mgmt Systems
Web, e-Mail, and DNSservers
Firewall
(5)
Mgmt & UserWorkstations
StoreLevel
KitchenPrinters
Point-of-Sale
MgmtWorkstation Firewall
(7)
Site Server
ElectronicPaymentController
(4)
Home UserLevel
Home Computer
Da Internet
(1)(2)
(3)(5)
(6)
(1)
(1)
(2)
(3)
(4)
VPN Router,Cable/DSL Modem
(2) 28
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HFTPCorporate
orFranchisee
Level
HR, Payroll, ERP-G/L,Inventory Mgmt Systems
Web, e-Mail, and DNSservers
Firewall
(5)
Mgmt & UserWorkstations
StoreLevel
KitchenPrinters
Point-of-Sale
MgmtWorkstation Firewall
(7)
Site Server
ElectronicPaymentController
(4)
Home UserLevel
Home Computer
Da Internet
(1)(2)
(3)(5)
(6)
(1)
(1)
(2)
(3)
(4)
VPN Router,Cable/DSL Modem
(2)
Connection Type
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HFTP
Connection type and speed• Telephone Cables 56Kbps• ISDN 128Kbs (Latency is lower)• T1 1.5Mbps • T3up to 45Mbps• Cable3.5Mbps • DSL 1.5Mbps • Fiber Optic 45Mbps- 2.5Gbps
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HFTPNetwork Security
Network Login and Passwords Promptly change your password on initial
login for proper security procedures for user-level passwords
Single Sign-on Components of a single sign-on system
include authentication and a directory service.
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HFTPNetwork Security
PGP - Pretty Good Privacy Software that implements public key
cryptology that requires a key pair of both a public key and a private key
SSL – Secure Socket Layer Is built upon Public key encryption, Digital
Signature, and Digital Certificates, but NOT Single Key system using substitution encryption.
To defeat SSL and PGP you would utilize Cryptanalysis, Reverse engineer of the implementation, and Pass phrase attack, but NOT insider security information.
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HFTP
Encryption
Character + 2
33
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HFTPDear Cihan,
Fgct Ekjcp,
Fgct Ekjcp,
Dear Cihan,
Source Destination
34CODE: Character + 2
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HFTPNetwork Security
SNMP – Simple Network Management Protocol
an application layer protocol that facilitates the exchange of management information between network devices.
Network File Access controls security rights for users files
Biometric Technology Is capable of enhancing physical security
such as guest and employee entry.
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HFTPFirewalls
Software and hardware that filters and secures
your private network, allowing only authorized
access and transmissions of your internal data.
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HFTP
Malicious computer programs: Virus Unauthorized set of programmed code that
attaches itself to other programs. Worm Independent programs that may replicate itself
throughout the network. Trojan Horse Masquerades as a legitimate program but has
malicious software inside
Are computer bugs a virus??
Computer Viruses
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HFTP
Poll
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HFTPTCP/IP
TCP/IP – Transmission Control Protocol/Internet Protocol Is NOT a telecommunication communications protocol.
TCP Packets: Are numbered so they can be reassembled in the correct sequence
at the destination. Are transmitted over the network as capacity becomes available. Forwarded across the network separately and do not necessarily
follow the same route. Do not contain destination addresses only. Header information includes
Total length of the packet, destination IP address, Source IP address, and Error checking information. DOES NOT include sender’s login information.
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HFTPTCP/IP
Packet Switching Checking for valid packets, destination address, best
route, assembling packets in order, but NOT for data compression.
Static verses Dynamic Addresses DHCP: Dynamic Host Configuration Protocol is used
to assign dynamic IP addresses on an as-requested basis.
3 Classes of IP Addresses
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HFTPIP Address Classes
Class A ###. xxx .xxx . xxx (ex. 26.x.x.x)
(1-126).(1-254).(1-254).(1-254)
Class B ### .###.xxx .xxx (ex. 172.16.x.x)
(128-191).(1-254).(1-254).(1-254)
Class C ### .###.###.xxx (ex. 192.168.1.x)
(192-223).(1-254).(1-254).(1-254)
IP Classes
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HFTPParallel Transmission
Multiple channels to transmit several bits of data at a time
Timed pulses sent on other wires within the same cable to coordinate the flow of data
Parallel ports, parallel cable, user configuration of controller
Over short distances -LAN
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HFTPSerial Transmission
Single channel to transmit bit by bit
Bits travel as a sequence over a single wire with start and stop bits to coordinate data flow
Serial cable, serial ports, user configuration of controller
Long distances - telephone transmission
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HFTPModems
Converts on and off digital pulses of computer data into on-and-off analog tones that can be transmitted over a normal telephone circuit.
Uses:
Allow computers to communicate over distances
E-mail, internet, bulletin boards
Polling, file transfer, system support
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HFTPToday’s Technologies
Smart Cards XML Bluetooth VPN VoIP HSIA ASP
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HFTP
Smart CardsEmbedded micro chips
that store personal information, allow credit and commerce transactions, access to room and other information.
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HFTP
Bluetooth
802.11x
3GGSM
GPRS
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HFTP
XML – eXtended Markup LanguageLanguage that is not
constrained to a fixed format and allows trading partners to create their own data tags for information exchange, has become the standard for all markup language, provides data in a format that is easily exchanged & non-proprietary.
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HFTPXML ExampleGuest Reservation<?xml version="1.0" ?>
<Reservation GuestName="Mr. Jim Smith"><GuestAddress>
<GuestStreet>123 Peachtree St.</GuestStreet> <GuestCity>Atlanta</GuestCity> <GuestState>GA</GuestState><GuestZip>30030</GuestZip><HomePhone>(404) 577-1234</HomePhone>
</GuestAddress><Payment Method="Credit Card">
<CardType>Visa</CardType> <CardNumber>4999 1234 5678 8901</CardNumber><ExpDate>2006-05-31</ExpDate>
</Payment><ReservationId>1654739</ReservationId><Property>NoTel Motel</Property><ReservationMade>2004-05-28T10:23:44</ReservationMade><CheckinDate>2005-21-06</CheckinDate><CheckoutDate>2005-24-06</CheckoutDate><NumOfNights>3</NumOfNights><BedType>King Size</BedType><Smoking>Non Smoking</Smoking><PillowType>Polyester Fill</PillowType><SpecialRequest>Godiva Dark Chocolate</SpecialRequest>
</Reservation>
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HFTP
Bluetooth Distance Limitations 30 feet (10 meters)
New Technology Communications between
any electrically powered device or appliance
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HFTPVPN – Virtual Private Network
Allow for secure connections that “tunnel” through the Internet to connect 2 private LAN’s or Computers, which reduces costs overall.
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HFTPVoIP – Voice over Internet Protocol
Set of facilities used to manage the delivery of voice information over the Internet. VoIP involves sending voice information in digital form in discrete packets rather than by using the traditional circuit-committed protocols of the public switched telephone network
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HFTP
HSIA – High Speed Internet Access Acceptable methods for providing HSIA
service to guest rooms: Wireless proximity Telephone network Electrical wiring system Cable system
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HFTP
Bandwidth DSL ISDN Frame-relay T-1 T-3: OC-3/DS-3
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HFTPASP – Application Service Provider
Is the server model in which hardware is housed and maintained off-site, yet users can access the application and data via a web-based Internet connection.
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HFTPTelephone Switches
Trunking Trunk lines are defined as a telecommunications
line between 2 switching systems. Incoming call routing Uses caller ID Automatic Number Identification
(ANI) information to retrieve customer records from a database and send the records and call to a specific call center operator.
DeMarc The point where responsibility for telecom services
into a building transfers from the carrier to the end user organization.
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HFTPTelephone Switches
Voice over IP Place voice and fax calls over internet
connections. Does not provide HSIA or In-room internet connectivity, hotel operators to receive free telephone services.
Automated Call Distributor (ACD) Useful for Reservations, PBX and Room Service
departments. ACDs would not be used to automatically generate
Express Checkout reports. Automatic check out is not a function of a
PBX system.
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HFTP
Guest Room Telephones Features that may be included Data port sets 2 line capability ADA hearing impaired feature handset Hands free speaker phone capability One button dialing and redialing
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HFTPDatabase Management Software
Allow users to catalog and store information for future use
Collection of related facts and figures designed to serve a specific purpose
Possible Uses: Preparing mailing lists for marketing and
promotional activities. Help managers sort through personnel records to
identify performance review dates for employees that correspond to the dates on which they were hired
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HFTP
Database StructuresFiles organized in ways that facilitate
searching for data, updating data, and generating accurate, timely and useful reports for management.
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HFTPFiles, Records, and Fields
Files “THE” Database i.e... Inventory, purchases, suppliers
Records individual information contains “key” field
Fields identified by type of info. Text, Calculated, Logical, Date, etc.
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HFTPDatabase Structures
Hierarchical Resembles that of the root of a tree
Arranges Files, Records, and Fields Master Records and Subordinate Records Data inherit attributes, or rights, from it’s parent
Relational Tables are related to each other through key field
Tabular Structure Data appears only once and not replicated multiple times
Flat One Large Table (Flat File) Files are stand-alone collections of data.
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HFTPData Management Concepts
Data Warehouse Collection of data from different sources Provides input for decision making The repository of all data Data is received and stored following specific validation rules
Data Mart Separate database designed for specific group of users
(e.g. marketing, group sales, etc.) Data is extracted from Data Warehouse to
protect its integrity
Data Mining Statistical and rule-based reasoning to find
patterns in data (e.g. forecasting occupancy) Should be performed against the Data Mart
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HFTPOther Terms
File Server - Computer that controls the flow of information along a network and stores files created by application programs, has large storage hard drive with space to share, and provides the capability to simultaneously access the same file.
Application server - Enables several users to offload specialized tasks onto a shared computer.
Secondary storage devices - Refers to Hard drives, CD-RW, DVD-RW, Zip Disks, Removable storage devices, but NOT RAM.
High Availability - Options include Multi-processors, disk arrays, redundant power supplies, but NOT Spare Memory Modules.
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HFTP
Thank you!
Any questions/comments:
Dr. Cihan [email protected]://www.cihan.orgPhone: +1 (302) 897 1909