LECTIONS & TESTS
Syllabus
LS-00EN. Computer Networks Architecture & Operating Systems - Syllabus 2024. (pdf)
LS-00EN. Computer Networks & Networks Technologies - Syllabus 2024. (pdf)
Online consultation in BBB, Tuesday 19:00-20:30 (login to ISMA Moodle and select Join session).
Lection Slides
I. Overview OSI/RM & TCP/IP
LS-01EN. Networking Standards and the OSI Model. (.pdf)
- 1. Look. Each layer of the OSI model and TCP/IP explained. (Youtube, 20 min)
LS-02EN. Review of Important Networking Concepts. (.pdf)
- 1. Look. Review of Important Networking Concepts (example). (.ppsx)
- 2. Soft. WhoIs Domain LookUp. (link)
- 3. Soft. DNS LookUp. (link)
- 4. Soft. Country by IP. (link)
- 5. Soft. TCP/UDP Port Scaner. (link)
- 6. Soft. TCP/UDP Port Description Finder. (link)
- 7. Soft. MAC Address Finder. (link)
- LS-01RU. Стандарты OSI/RM. Введение в TCP/IP. (.ppt)
- LS-01RUa. Стандарты OSI/RM. Уровни кратко. (.ppt)
- LS-01RUb. Стандарты Internet. (.pdf)
- LS-02RU. Модель TCP/IP. Введение. (.ppt)
II. Physical Layer & Media
LS-03EN. Network Classification. Topology, Hardware, Transmission Media. (.pdf)
- 1. Look. Network Types: LAN, WAN, PAN, CAN, MAN, SAN, WLAN. (Youtube, 5 min)
- 2. Look. Network Topologies (Star,Bus,Ring,Mesh,Ad hoc,Infrastructure, WirelessMeshTopology). (Youtube,9min)
- 3. Look. Network Hub, Switch, Router. What is the difference? (Youtube, 7 min)
- 4. Look. Half Duplex vs Full Duplex. (Youtube, 4 min)
LS-04ENa. Data Communication. Line Coding. (.pdf)
LS-04ENb. Block Coding, Scrambling. (.pdf)
- LS-03RU. Сети, оборудование, топологии, методы доступа к среде. (.pdf)
- LS-04RU. Цифровая передача, физическое и логическое кодирование, коммуникационные устр-ва. (.pdf)
III. Data-Link Layer
LS-05EN. Error Detection & Correction. (.pdf)
- 1. Read. Noise and the Shannon Limit. (link)
- 2. Read. Tutorial. Checksum and CRC Data Integrity. (.pdf)
LS-06EN. Multiple Access. (.pdf)
- 1. Look. CSMA/CD and CSMA/CA Explained. (Youtube, 6 min)
LS-07EN. EUI/MAC, ARP, Ethernet, VLAN. (.pdf)
- 1. Look. ARP Explained. (Youtube, 4 min)
- 2. Look. STP - Spaning Tree Protocol (EN). (Youtube, 15 min)
- LS-06RU. Ethernet. CSMA/CD, LLC, VLAN. (.pdf)
- LS-07RUa. Адресация в сетях. (.pdf)
- LS-07RUb. OUI, EUI, MAC. (.pdf)
- LS-07RUc. ARP - Address Resolution Protocol. (.pdf)
- 1. Look. STP - Spaning Tree Protocol (RU). (Youtube, 15 min)
IV. Network Layer I. IP, Addressation, Subnetting, ICMP
LS-08EN. IP - Internet Protocol. (.pdf)
- LS-08ENa. IP Options. (.pdf)
LS-09EN. IP Addressing. Subnetting, supernetting. IPv6 addressing. (.pdf)
- 1. Look. NAT Explained - Network Address Translation. (Youtube, 4 min)
- 2. Look. What is Port Forwarding. (Youtube, 9 min)
- 3. Soft. Test your IPv6 connectivity. (link)
- 4. Soft. Checks your IPv6 and IPv4 connectivity and speed. (link)
- 5. Read. Names of large numbers. (link)
LS-10EN. ICMP - Internet Control Message Protocol. (.pdf)
- 1. Look. Ping & Traceroute. (Youtube, 4 min)
- LS-08RU. IP - протокол. (.pdf)
- LS-09RUa. IP-адресация, классы сетей, маски, подсети, суперсети, VLSM, CIDR. (.pdf)
- LS-09RUb. IPv6 протокол и адресация. (.pdf)
- LS-10RU. ICMP, ping, traceroute, ICMP-routing, ICMPv6. (.pdf)
V. Transport Layer
LS-11EN. TCP and UDP. (.pdf)
- 1. Look. TCP vs UDP. (Youtube, 4 min)
- 2. Read. The TCP Finite State Machine (RFC 793). (.htm)
- 3. Read. TCP Timers. (.htm)
- 4. Read. Transport Layer. (.htm)
- 5. Read. TCP - 12 simple ideas to explain the Transmission Control Protocol. (.htm)
- LS-11RUa. Транспортный уровень TCP/IP. Протокол UDP. (.pdf)
- LS-11RUb. Протоколы TCP, SCTP, DCCP. (.pdf)
VI. Network Layer II. Forwarding & Routing
LS-12ENa. IP Forwarding. Routing Tables. (.pdf)
LS-12ENb. IP Forwarding. Routing Tables. AS. Static Routing. (.pdf)
LS-12ENc. Routing on IP. (.png)
- 1. Look. Forwarding. (Youtube, 30 min)
- 2. Read. Linux IP forwarding – How to Disable/Enable using net.ipv4.ip_forward. (link)
- 3. Read. How to check & enable IP forwarding in Windows. (link)
- 4. Read. 3 Ways to Enable IP Routing - wikiHow. (link)
LS-13ENa. Dynamic Routing DVA. RIP. (.pdf)
LS-13ENb. Dynamic Routing DVA. RIP. (.pdf)
- 1. Look. RIP. (Youtube, 26 min)
LS-14EN. Dynamic Routing LSA. OSPF, AS, BGP. (.pdf)
- 1. Look. Routing OSPF. (Youtube, 6 min)
- 2. Soft. RIPE Database Query by IP or ASN. (link)
- 3. Soft. Find ASNs by country from he.net. (link)
- 4. Soft. Find CAIDA AS Topological Rank. (link)
LS-15EN. IP Multicasting. IGMP, PIM. (.pdf)
- 1. Look. Multicast Fundamentals. (Youtube, 9 min)
- LS-12RU. IP Forwarding и Routing. AS. Статическая маршрутизация. (.pdf) 1. Look. Протоколы маршрутизации. (Youtube, 8 min)
- LS-13RU. Динамическая маршрутизация. DVA протоколы RIP и BGP. (.pdf) 1. Look. RIP - Routing Information Protocol (Youtube, 20 min)
- LS-14RU. LSA протокол OSPF. Traffic Engineering. (.pdf) 1. Look. OSPF - Open Shortest Path First. (Youtube, 20 min)
- LS-15RU. Multicast. IGMP, PIM. (.pdf) LS-15RUb. Дополнительный материал по Multicast. IGMP, PIM. (.htm)
2. Look. BGP - Border Gateway Protocol. (Youtube, 9 min)
3. Look. Multi Area & AS - Иерархическая маршрутизация. (Youtube, 7 min)
VII. Application Layer
- LS-16RU. DNS. (.pdf) 1. Look. How the DNS Server Works (Domain Name System). (Youtube, 6 min)
- LS-17RU. FTP. (.pdf) 1. Look. FTP (File Transfer Protocol), SFTP, TFTP Explained. (Youtube, 8 min)
- LS-18RU. SMTP, POP, IMAP. (.pdf) 1. Look. SMTP Explained. (Youtube, 3 min)
2. Look. DHCP Explained. (Youtube, 10 min)
3. Look. SSL, TLS, HTTP, HTTPS. (Youtube, 6 min)
2. Look. POP vs IMAP. (Youtube, 8 min)
VIII. TCP/IP Administration & Security
LS-19EN. Spam and Phishing. (.pdf)
- 1. Look. TELNET. (Youtube, 5 min)
LS-20EN. TCP/IP Attacks, Defenses and Security Tools. (.pdf)
- 0. Read. CISCO. Understanding Common TCP/IP Attacks. (link)
- 0. Read. Attack on the TCP Protocol. (pdf)
- 1. Tools. NIST. National Checklist Program Repository. (link)
- 2. Look. Digital Attack Map. (link)
- 3. Look. DDoS Attack Explained. (Youtube, 6 min)
- 4. Look. Explanation of WIFi wireless security protocols - WEP, WPA, WPS. (Youtube, 9 min)
- LS-20RU. Атаки на TCP/IP и защита сети. (.pdf)
- LS-21RU. SNMP. MIB. (.pdf)
- 1. Tools. Free SNMP MIB Browser for Win, Lin, Mac. (download)
Top
IX. Modern Networks Solutions
LS-22EN. Internet of Things. (.pdf)
- 1. Look. Powerline Ethernet Networking Explained. (Youtube, 3 min)
- 2. Look. Tri-Band Wi-Fi Router Explained. (Youtube, 5 min)
- 3. Look. MU-MIMO Explained. (Youtube, 6 min)
Top
0. Briefly
- 01.-10. Tēmas īsā. (LV) (.pdf)
- 01.-05. LAN кратко. (RU) (.doc)
- 06-10. ARP, IP, TCP, UDP, DNS. (RU) (.ppt)
- 05.-10. TCP/IP - short. (EN) (.ppt)
Quizzes & Exam
IT ACADEMY Online Testing System (link)
- QZ-01EN. Number Systems: 25 Questions / 25 Minutes. (.htm ProProfs)
- QZ-02EN. Line Coding: 20 Questions / 45 Minutes. (.htm sqa.org.uk)
- QZ-03EN. Midterm Quiz: 159 Questions / 120 Minutes. (.htm)
- Вопросы и задания к экзамену 2016. (pdf)
Тест 1. "Сетевые технологии". IQ karelia.ru
Тест 2. "Сети ЭВМ и телекоммуникации". IQ karelia.ru
Тест 3. Компьютерные сети - Основы. Quizful
Тест 4. Компьютерные сети - Средний уровень. Quizful
Тест 5. Маршрутизация. Quizful
Тест 6. TCP/IP. Quizful
QZ-03RU. Тренировочное тестирование перед экзаменом. (.pdf, 1.7 MiB)