Background

Background

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Testting

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Perbedaan RISC dan CISC

 
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Pengenalan Desain dan Analisis Keamanan Jaringan

A. Pendahuluan

Merupakan bahasan mengenai bagaimana keamanan jaringan komputer dilihat dari segi desain dan analisis dari jaringan komputer. Keamanan jaringan komputer begitu menjadi penting pada saat ini, pernyataan ini bukan tanpa alasan, jika kita perhatikan perkembangan dari teknologi informasi dengan terhubungnya LAN atau komputer ke Internet membuka potensi adanya lubang keamanan {security hole} yang tadinya bisa ditutupi dengan mekanisme keamanan secara fisik.
Dengan membuat sistem keamanan komputer maka kita akan melindungi data agar tidak dapat diakses oleh orang yang tidak berhak. Pada kebanyakan kasus, biaya sekuriti secara eksponensial akan terus meningkat manakala level sekuriti mendekati level 100 persen.

B. Komponen Jaringan Komputer 

Komputer merupakan komponen utama dalam membangun jaringan. Namun kita perlu mengetahui bagaimana komputer tersebut saling berhubungan antara satu dengan lainnya. Untuk membangun sebuah jaringan, secara umum kita membutuhkan dua macam perangkatperangkat keras (peripheral) dan perangkat lunak (software). Perangkat keras yang dimaksud di sini mencakup, network interface card (NIC), hub, switch dan bridge, router, kabel. Perangkat lunak yang jelas dibutuhkan adalah sistem operasi jaringan.
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Membuat Lima Pertanyaan

1. Bagaimana gambaran informasi yang terkandung dalam BPDU yang digunakan oleh switch? (Pilih dua)
• to determine which ports are placed in forwarding mode
• to determine the root bridge
• to set the duplex mode of a redundant link
• to activate looped paths throughout the network
• to prevent loops by sharing routing tables between connected switches

2. Protokol yang akan digunakan untuk membuat panggilan VoIP (paket suara)?
• TCP
• PPP
• HDLC
• UDP

3. Di dalam jaringan perusahaan, ada dua cara keanggotaan VLAN dapat dibuat. Bagaimana caranya ? (Pilih dua.)
• allowing the user to choose a specific VLAN through a GUI menu 
• manually configuring the switch ports to be part of a VLAN • configuring the switch to allow VLAN membership based on NetBIOS association
• implementing an access list that specifies which devices are placed into specific VLANs.
• manually configuring the host devices to be part of a VLAN
• associating MAC addresses to specific VLANs in a VLAN management policy server database

4. Ada sebuah perusahaan sedang mengembangkan sebuah toko Internet untuk situs webnya. Protokol apa yang harus digunakan untuk mentransfer informasi kartu kredit dari pelanggan ke web server perusahaan?
• FTPS
• HTTP
• HTTPS
• WEP2
• TFTP  

5. Apakah jenis alamat dari 192.168.17.111/28?
• host address
• network address
• broadcast address
• multicast address
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Membuat Jaringan Lokal




Ini adalah tugas CCNA untuk membuat sebuah jaringan lokal yang dapat terhubung dengan internet. Dari gambar dapat dilihat bahwa ada 5 komputer yang terhubung dengan sebuah Hub, dan agar dapat terhubung dengan internet maka kita harus menghubungkan hub dengan Linksys. Dan ini adalah sebuah gambaran dasar bagaimana membuat sebuah jaringan lokal.

Untuk filenya dapat didownload di sini
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Lab 10.0.2.2 Finding the Right Networking Job

Step 1: Perform a Skills Strength and Interest Assessment
Several career paths are available for individuals interested in an IT career. If you have not already
participated in a strength and interest assessment, or if you have not yet determined which career path is of interest to you, research some of the tools available. They can help provide a starting point for an IT career selection. There are many resources available – the list below is only a small sampling.
Resources available:
  • Secondary school guidance departments and local college career departments can provide helpful information.
  • Public libraries or websites, such as amazon.com, offer books on researching career choices and skill strength assessments such as: Information Technology Jobs in America [2007] Corporate & Government Career Guide (Paperback) by Info Tech Employment (Editor), Discover What You’re Best At by Linda Gale, The IT Career Builder’s Toolkit by Matthew Moran
  • Company websites offering a mix of free and fee related services, such as:
Promoting IT Careers: Virtual Field Trips –
http://www.cisco.com/web/learning/netacad/career_connection/promoteIT/VFT/index.html
Cisco Networking Academy Career Connection – http://cc.netacad.net/home.do#
CompTIA TechCareer Compass – http://tcc.comptia.org/default.aspx
CyberCareers for the Net Generation – http://www.cybercareers.org/students/itcareercenter/
Quintcareers – http://www.quintcareers.com/student.html
During your search, remember that many IT careers are not limited to IT Companies, but may be associated with the Education, Healthcare, Finance, or Manufacturing industries.
a. Use one of the resources above or similar resources to research possible career choices in the
networking field. For example, in addition to identifying skill strengths, the CompTIA TechCareer Compass site has a page via the Explore Job Roles link (http://tcc.comptia.org/job_roles.aspx) that allows you to search for a job based on a job title or job criteria. If you are not sure of a job title, the Search Using Job Concentrations section of that page lists job roles that are divided into three areas: Administration, Development, and Integration. Clicking one of the three areas displays a list of job titles. You can then click any title to see a description of critical job functions, compare your skill strengths with the position requirements, and identify the certifications required for the job.
b. Select one of the job titles that is of interest to you as a possible career path.
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Lab 9.4.2 Presenting the Project Proposal

Task 1: Prepare for the Presentation

Step 1: Review the content
a. Ensure that your presentation is complete.
b. Review the content to ensure that there are no technical errors.
c. Rehearse the presentation to become familiar with the flow of the content and develop a sense of the timing required.

Step 2: Prepare for questions
Your presentation may seem complete and clear to you, but to others there may be points that need clarifying or that contain too much information.
Read through your presentation as if seeing it for the first time, Note the points that you would ask questions about. Remind yourself that you will not be able to prepare for every possible question.

Step 3: Prepare yourself
Your instructor will advise you on the details (time. location, audience) of the presentation class. On the day of the presentation, try to observe the following guidelines:
a. If possible, and appropriate, wear professional attire.
b. Try not to be too nervous. The other students in your class are probably feeling the same as you are.
c. If other students are presenting before or after you, give them your attention and participate in the class. Do not think too much about your presentation but focus instead on what is happening in the class.
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