Bab 1: Jelajahi Jaringan Jaringan Komputer Heribertus Yulianton
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Kerangka Bab
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1. Terhubung Secara Global 2. LAN, WAN, dan Internet 3. Jaringan Sebagai Sebuah Platform 4. Mengubah Lingkungan Jaringan 5. Simpulan
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Bagian 1.1 Terhubung Secara Global Setelah menyelesaikan bagian ini, anda harus dapat: ● Menjelaskan bagaimana jaringan mempengaruhi cara kita berinteraksi, belajar, bekerja, dan bermain. ● Menjelaskan bagaimana perangkat host dapat digunakan sebagai klien, server, atau keduanya. © 2013 Cisco and/or its affiliates. All rights reserved.
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Topik 1.1.1 Jaringan Hari Ini
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Tidak ada batasan Jaringan mendukung kita dalam: • Belajar • Berkomunikasi • Bekerja • Bermain
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Jaringan mendukung kita dalam belajar
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Jaringan mendukung kita dalam berkomunikasi
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Jaringan mendukung kita dalam bekerja
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Jaringan mendukung kita dalam bermain
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Topik 1.1.2 Menyediakan Sumber Daya di Jaringan
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Jaringan dalam Berbagai Ukuran
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Klien dan Server
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Peer-to-peer
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Bagian 1.2 LAN, WAN, dan Internet Setelah menyelesaikan bagian ini, anda harus dapat: ● Menjelaskan penggunaan perangkat jaringan ● Membandingkan perangkat dan topologi dari LAN dengan perangkat dan topologi dari WAN. ● Menggambarkan struktur dasar dari Internet. ● Menjelaskan bagaimana LAN dan WAN interkoneksi ke Internet.
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Topik 1.2.1 Komponen Jaringan
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Gambaran Umum Komponen Jaringan
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Gambaran Umum Komponen Jaringan
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Gambaran Umum Komponen Jaringan
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Perangkat Akhir
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Perangkat Perantara
Perangkat Perantara melakukan beberapa atau semua fungsi berikut ini: ● membangkitkan dan memancarkan kembali sinyal data ● menjaga informasi tentang jalur apa yang ada melewati jaringan dan internetwork ● memberitahu perangkat lain tentang kesalahan dan kegagalan komunikasi ● mengarahkan data ke jalur alternatif jika ada kegagalan sambungan ● mengklasifikasikan dan mengarahkan pesan sesuai dengan prioritas ● mengizinkan atau menolak aliran data, berdasarkan pengaturan keamanan
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Media Jaringan
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Media Jaringan
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Representasi Jaringan
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Representasi Jaringan Network Interface Card
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Diagram Topologi Topologi Fisik
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Diagram Topologi Topologi logis
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Topik 1.2.2 LAN dan WAN
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Jenis Jaringan
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Jenis Jaringan Dua jenis infrastruktur jaringan yang paling umum adalah: • Local Area Network (LAN) • Wide Area Network (WAN) Jenis jaringan lain: • Metropolitan Area Network (MAN) • Wireless LAN (WLAN) • Storage Area Network (SAN)
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Local Area Network
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Wide Area Network LAN terpisah oleh jarak geografis dihubungkan dengan jaringan yang dikenal sebagai WAN.
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Topik 1.2.3 Internet, Intranet, dan Extranet
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Internet LAN menggunakan layanan WAN untuk interkoneksi
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Intranet dan Extranet
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Topik 1.2.4 Koneksi Internet
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Teknologi Akses Internet ● ● ● ● ● ● ● ●
Internet Service Provider Broadband Cable Broadband Digital Subscriber Line (DSL) Wireless WAN Mobile Services Business DSL Leased Line Metro Ethernet
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Koneksi Internet Home and Small Office
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Koneksi Internet Perusahaan
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Bagian 1.3 Jaringan sebagai Platform Setelah menyelesaikan bagian ini, anda harus dapat: ● Menjelaskan konsep jaringan terkonvergensi ● Menggambarkan empat persyaratan dasar dari jaringan yang handal.
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Topik 1.3.1 Jaringan Terkonvergensi
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Jaringan Terpisah
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Jaringan Konvergen
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Topik 1.3.2 Jaringan Handal
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Arsitektur Jaringan
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Toleransi Kesalahan
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Skalabilitas
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Kualitas Layanan
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Keamanan
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Keamanan
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Bagian 1.4 Mengubah Lingkungan Jaringan Setelah menyelesaikan bagian ini, anda harus dapat: ● Menjelaskan bagaimana tren seperti BYOD, kolaborasi online, video, dan komputasi awan yang mengubah cara kita berinteraksi. ● Mengidentifikasi ancaman keamanan dasar dan solusi baik untuk jaringan kecil maupun besar. ● Menjelaskan pentingnya memahami switching dan routing yang mendasari infrastruktur jaringan.
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Topik 1.4.1 Tren Jaringan
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Tren Baru Tren paling atas diantaranya: • Bring Your Own Device (BYOD)
• Online collaboration • Video communications
• Cloud computing
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Bring Your Own Device (BYOD)
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Online Collaboration
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Video Communication
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Cloud Computing
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Topik 1.4.2 Teknologi Jaringan untuk Rumah
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Tren Teknologi dalam Rumah
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Teknologi Awan
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Jaringan Powerline
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Jaringan Powerline
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Wireless Broadband
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Topik 1.4.3 Keamanan Jaringan
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Ancaman Keamanan
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Ancaman Keamanan Ancaman eksternal yang paling umum untuk jaringan meliputi: • Virus, worm, dan Trojan horse • Spyware dan adware • Zero-day attacks, juga disebut zero-hour attacks
• Hacker attacks • Denial of service attacks
• Pencegatan dan pencurian data • Pencurian Identitas
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Solusi Keamanan Solusi minimal: • Antivirus dan Antispyware • Filter Firewall Solusi tambahan: • Sistem firewall khusus • •Access control lists (ACL) • •Intrusion prevention systems (IPS) • •Virtual Private Networks (VPN)
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Topik 1.4.4 Arsitektur Jaringan
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Cisco Network Architecture
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CCNA
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Bagian 1.5 Ringkasan Tujuan Bab: ● Menjelaskan bagaimana jaringan-jaringan digunakan dalam kehidupan sehari-hari. ● Menggambarkan topologi dan perangkat yang digunakan dalam usaha kecil hingga menengah. ● Menjelaskan karakteristik dasar jaringan yang mendukung komunikasi dalam usaha kecil hingga menengah. ● Menjelaskan tren dalam jaringan yang akan mempengaruhi penggunaan jaringan di usaha kecil hingga menengah
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Thank you.
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