Link Layer Our goals: ❒ understand principles behind data link layer services: ❍ ❍ ❍ ❍ ❒ error detection‚ correction sharing a broadcast channel: multiple access link layer addressing reliable data transfer‚ flow control: done! instantiation and implementation of various link layer technologies 5: DataLink Layer 5-1 Link Layer ❒ ❒ ❒ ❒ ❒ 5.1 Introduction and services 5.2 Error detection and correction 5.3Multiple access protocols 5.4 Link-Layer Addressing
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Experiment 5 Title : Thin Layer Chromatography Objectives: i. To distinguish polar and non-polar solvents. ii. To familiar with the analysis technique by using the thin layer chromatography. iii. To differentiate the retention factor‚ Rf for different compounds. [pic] Result: |Compound |Distance traveled by the compound | |o-nitroanaline |2.45
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University of Phoenix Material Linux® Directory Log To: David Horvath From: Crystal Jenkins Date: <(02/28/8014)> Directions: As you complete each of the following steps‚ keep track of what occurs at each point‚ including what you type‚ the output given‚ and if you experience any errors. Record the occurrences in the following matrix. 1. Open a terminal. Gain access to terminal from the redhat screen [student@bsit_rh61 ~]$ 2. Create a new group called mygroup. Hint: /usr/sbin/groupadd
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Ozone Layer Depletion [ Language & Communication Skills ] Contents Abstract | 1 | Introduction | 2 | Findings: Factor of ozone depletion | 3 | Effect of ozone depletion | 4 | Solution of ozone layer | 5-6 | Conclusion | 7 | Recommendation | 8 | References | 9-10 | Appendices | 11-13 | Bibliography | 14 | Abstract Ozone is concentrated in the ozone layer ‚ which is located in the stratosphere. It plays an important role to protect humans and
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should see all of your network interfaces‚ but only the wireless ones will have detailed information next to it. Now you know what your wireless cards name is... Switch on your wireless card: ifconfig ath0 up To connect to an ’open’ wireless access point (AP): iwconfig ath0 essid ’nameofnetwork’ The ’nameofnetwork’ is your Service Set IDentifer (SSID). That is the name of your network. To configure a WEP key: iwconfig ath0 key 3B5D3C7D207E37DCEEEDD301E3 To connect to a specific
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Command’s Purpose Linux Basic Linux Example Copies files cp cp thisfile.txt /home/thisdirectory Moves files mv mv thisfile.txt /home/thisdirectory Lists files ls ls (all information ls –l) Clears screen clear clear Closes prompt window exit exit Displays or sets date date date Deletes files rm rm thisfile.txt "Echoes" output on the screen echo echo this message Edits files with simple text editor vi vi thisfile.txt Compares the contents of files diff diff file1 file2
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Lab #3 – Assessment Worksheet Enabling Windows Active Directory and User Access Controls Course Name and Number: _____________________________________________________ Student Name: ________________________________________________________________ Instructor Name: ______________________________________________________________ Lab Due Date: ________________________________________________________________ Overview In this lab‚ you followed the Microsoft approach to securing the CIA triad. You created
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Participant Obvservation Sociology is the systematic study of humans in groups. There are different ways to study these groups of humans and most sociologists are aware of the different ways. As a student studying sociology the class was given a task to observe human interactions in groups and relate what I found out to what I have learned so far. Out of the many different ways to study groups we had to use participant observation‚ systematically studying people while joining them in activities
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2‚ No.1‚ February 2011 ISSN: 2010-0264 Ozone Layer Depletion and Its Effects: A Review Sivasakthivel.T and K.K.Siva Kumar Reddy Abstract - There are many situations where human activities have significant effects on the environment. Ozone layer damage is one of them. The objective of this paper is to review the origin‚ causes‚ mechanisms and bio effects of ozone layer depletion as well as the protective measures of this vanishing layer. The chlorofluorocarbon and the halons are potent
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University of Phoenix Material Unix® and Linux® Comparison Matrix - 5 Marks 1. Name three versions of Unix 1. AT&T (System V Release) Versions 2. BSD (Berkeley Software Distribution) from the University of California at Berkeley 3. XENIX from Microsoft 2. Name three versions of Linux 1. Canonicals’ Ubuntu 2. Novell’s openSUSE 3.Red Hat’s Fedora 3. Describe 3 major differences between Unix and Linux 1. The difference between UNIX and Linux is that UNIX trademark is specific to systems
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