Which of the following is a data link layer function? A) packetizing B) error and flow control C) medium access control The data link layer is responsible for _______ delivery. C) hop-to-hop The data packet at the data link layer is usually called a _______. A) frame The protocol for obtaining the physical address of a node when the IP address is known is called _______. C) ARP A signal can lose energy due to the resistance of the medium. This is called _______. D) attenuation
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1 IS 450/650‚ Fall 2013‚ Computer Networks and the Internet Today: • Roster • Syllabus Overview (Syllabus on Blackboard) • Chapter 1 Announcements & Reminders: • 450-1 Homework 1 Due Tuesday 9/17 at 23:59. • 450-1 (TR) Test 1 Tuesday 10/1 • 450-1 (TR) Test 2 Thursday 11/7 • 450-1 (TR) Final Exam Thursday 12/19 8-10 a.m. • Suggestion: start homeworks early and send e-mail if you get stuck. Cell phones & laptops off. Reminder: if printing the notes‚ consider printing 4-up (4 pages
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basic requirements PAGEREF _Toc398372984 \h 5Firewall and Proxy requirements PAGEREF _Toc398372985 \h 5Requirements summary PAGEREF _Toc398372986 \h 5Network objectives PAGEREF _Toc398372987 \h 6Network design PAGEREF _Toc398372988 \h 7OSI Reference Model PAGEREF _Toc398372989 \h 9Network Diagram PAGEREF _Toc398372990 \h 9Hardware Requirements PAGEREF _Toc398372991 \h 9Equipments list and Estimated Cost PAGEREF _Toc398372992 \h 9Conclusion and Recommendations PAGEREF _Toc398372993 \h 10References PAGEREF
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Analysis and Countermeasures of Network Security LiuBingyao Abstract This article is concerned about network security. It mentions about the present situation of network security and an analysis of the reason that lead to unsafe network environment. Then the article introduces two frequently used protocols in network security: HTTP (Hypertext Transport Protocol) and HTTPS (Hypertext Transfer Protocol over Secure Socket Layer)‚ then compare them and give a brief conclusion. On the other side
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Networking Devices Maigue‚ Melleghie Claire T. EE1 - 1/ES1 - 1 Networking Devices ... Hub - commonly used to connect segments of a LAN. A hub contains multiple ports. When a packet arrives at one port‚ it is copied to the other ports so that all segments of the LAN can see all packets. Networking Devices ... Multistation Access Unit (MAU) - a hub or concentrator that connects a group of computers (’nodes’ in network terminology) to a token ring local area network. Networking Devices ... Bridges
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A Report on Industrial Training CCNA‚ IIHT ‚ Hudson lines Submitted for the partial fulfillment of Bachelor of technology In E . C . E Submitted By :- TALVINDER SINGH (04013202810) 4th year ‚ E.C.E-1 Guru Tegh Bahadur Institute of Technology‚ Guru Gobind Singh Indraprastha University Sector-16 Dwarka ‚ New delhi Acknowledgement I take this opportunity to express my profound gratitude and deep regards to my guide (kalyan singh/GTBIT) for his exemplary guidance‚ monitoring
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presentations‚ practical. Course Contents: 1. Internetworking & Internet Protocols:: Internetworking Basics‚ Internetworking Model‚ Ethernet Networking‚ Network topologies‚ Ethernet Cabling‚ Wireless Networking‚ OSI Reference Model:- Application layer‚ Presentation layer‚ Session layer‚ Transport layer‚ Network layer‚ Data link layer‚ Physical layer. TCP/IP & DoD Model‚ Binary to Decimal & Hexadecimal Conversion‚ IP Addressing‚ IP Terminology‚ Private IP Addressing. Broadcast Addresses.
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printers. The radiology information system data center consists of Apple cluster servers‚ data center workstations and two printers. The OR/ICU/ward floor consists of Apple Mac Pro’s and iMAC systems‚ Cisco 1250 series wireless access points and one HP Model 4350 printer. The information technology data center contains a hospital HIS computer system‚ a Windows exchange server‚ several data center workstations‚ a RAS server and an Internet server. (Univ of Phoenix‚ 2012). Internal Data
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headers and trailers? D. Frame(Your Answer) 7. Which OSI layer defines the functions of logical network-wide addressing and routing? D. Layer 4(Your Answer) 8. Which OSI layer defines the standards for cabling and connectors? A. Layer 1 9. Which OSI layer defines the standards for data formats and encryption? D. Layer 6(Your Answer) 10. Which of the following terms are not valid terms for the names of the seven OSI layers? C. Transmission(Your Answer) E. Internet(Your
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Course Syllabus College of Information Systems & Technology NTC/249 Version 2 Wide Area Networking Concepts Copyright © 2013 by University of Phoenix. All rights reserved. Course Description This course covers Wide Area Networking concepts and its interface with metropolitan area networks (MAN) and local area networks (LAN). The course will cover telecommunication technologies‚ backbone technologies‚ hardware device protocol‚ hardware selection and usage‚ and basic WAN security considerations
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