...IP Addresses IP Addresses • IP Address – numerical label of a device IP Address numerical label of a device participating in a network • IPv4 32 bit x x x x IPv4 – 32 bit – x.x.x.x • IPv6 – 128 bit hex – x.x.x.x.x.x.x.x • Static vs. Dynamic • Address lease expiration, “sticky dynamic IPs” p , y y Internet Registries Internet Registries • ARIN – North America, part of the Caribbean, Sub‐Saharan Africa • RIPE – Europe, Middle East, parts of Africa and Asia • APNIC – Asia‐Pacific Asia Pacific • LACNIC – Latin America, Caribbean • Private IP Ranges: IPv4 : IP 4 192.168.0.0 192 168 0 0 10.0.0.0 172.16.0.0 FEC ‐ FEF FE8 ‐ FEB IPv6 : IP 6 Site‐local: Link‐local: DNS • DNS (Domain Name System) – hierarchical S( o a a e Syste ) e a c ca naming system for any resource connected to a network or Internet. • Maintains the domain namespace and provides translation services between the IP and DN namespaces • DNS Server maintains: – (A) Add (A) Address records d – (NS) Name server records – (MX) Mail exchanger records (MX) Mail exchanger records DNS on the Internet DNS on the Internet • ICANN – Internet Corporation of Assigned Names and Numbers • • • • IP address allocation Protocol identifier assignment Country code / top‐level domain management Root server management • Top‐Level Domain – highest hierarchical level in DNS – – – – Category ‐ .com, .net, .org, .biz, .name, .pro Country ‐ .ua, .ru, .cn, .us, .ca Sponsored ‐ .aero, .jobs, .travel, .mobi, .edu...
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...Question 1 The ethics defined by an organization are 1) social ethics. 2) professional ethics. 3) individual ethics. 4) legal ethics. 0 / 0.1 points socioeconomic ethics. Question 2 Which of the following statements about laws is least accurate? 5) 1) 0 / 0.1 points People in accounting and finance should be aware of the Sarbanes-Oxley Act. Anything published on the Internet is in the public domain and can be used 2) freely. 3) Assume that anything produced privately after 1989 is copyrighted. The concept of fair use gives individuals limited rights to use copyrighted materials without requiring permission. Question 0.1 / 0.1 3 points The reasons why people make unethical decisions include 4) 1) taking the easy way out. 2) doing whatever it takes to win. 3) rationalizing one's choices. 4) A, B, and C 5) B and C only View Feedback Question 4 0.1 / 0.1 points Which of the following statements comparing oral and written communication is least accurate? 1) Written communication is preferred when a permanent record is needed. Written messages are generally more organized and well-considered than oral messages. One advantage of oral communication such as a face-to-face meeting is that it 3) allows for immediate feedback. 2) 4) Oral communication is preferred when presenting formal or complex ideas. View Feedback Question 5 0.1 / 0.1 points Which of the following is an example of horizontal communication in an organization? 1) Four payroll clerks meet to discuss a new...
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...SCHEME OF EXAMINATION FOR MASTER OF COMPUTER APPLICATIONS (MCA) (SIX-SEMESTER Programme) |Semester – I | |Paper |Title of the Paper |Duration |Maximum Marks |Total | |No. | |Of Exam | | | | | | |Theory |Sessional* | | |MCA-101 |Computer Fundamentals and Problem Solving Using C |3 Hours |80 |20 |100 | |MCA-102 |Computer Organisation |3 Hours |80 |20 |100 | |MCA-103 |Discrete Mathematical Structures |3 Hours |80 |20 |100 | |MCA-104 |Software Engineering |3 Hours |80 |20 |100 | |MCA-105 |Computer Oriented Numerical and Statistical Methods |3 Hours |80 |20 |100 | |MCA-106 |Software Laboratory - I |3 Hours | | |100 | | |C (Based on MCA-101) |...
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...Nitro Pro 9 User Guide Nitro Pro 9 - User Guide In this User Guide Welcome to Nitro Pro 9 How to use this guide Quickly find the right information To Search For Keywords: Participate and Contribute Online Getting started with Nitro Pro 9 Explore the Nitro Pro 9 user interface A Tour of Nitro Pro 9 1 File Menu 2 Quick Access Toolbar 3 Ribbon Tabs 4 Information Bar 5 Document Pane 6 Zoom Controls and Page View 7 Paging Controls 8 Find Bar 9 Lower Navigation Panes 10 Sidebar Navigation Panes Ribbon shortcuts To view and use shortcut keys: Software Activation Common terms To purchase a Nitro Pro 9 license: To activate Nitro Pro 9: Automatic, or online, activation: Manual, or offline, activation: Compatibility with other applications Tasks and tools View and navigate a PDF file Open a PDF file Open a PDF file The File Menu Drag-and-drop Double-click or right-click Change the page view To change the page display options: To resize the page view: To rotate the page view: Adjust the zoom level To use the Zoom tool: To adjust the zoom level with Page Controls: Page through the document Step through the pages To scroll smoothly between pages: Navigation Panes The Pages Pane 1 1 1 1 1 2 3 3 3 3 4 4 4 4 4 4 4 4 6 6 7 7 7 7 7 7 9 10 11 12 12 12 12 12 13 13 13 14 15 15 15 16 16 16 17 17 i ©Nitro Nitro Pro 9 - User Guide The Bookmarks Pane The Signatures Pane The Layers Pane The Layers Pane To view the Layers pane: To show or hide an OCG layer: To reset a layer to its default...
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