COMPUTER NETWORKS
RETI DI CALCOLATORI
| A.Y. | Credits |
|---|---|
| 2021/2022 | 9 |
| Lecturer | Office hours for students | |
|---|---|---|
| Antonio Della Selva | Office hours after in-person lectures on friday, by appointment via e-mail |
| Teaching in foreign languages |
|---|
|
Course with optional materials in a foreign language
English
This course is entirely taught in Italian. Study materials can be provided in the foreign language and the final exam can be taken in the foreign language. |
Assigned to the Degree Course
| Date | Time | Classroom / Location |
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| Date | Time | Classroom / Location |
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Learning Objectives
The course introduces concepts related to computer networks, and the way to apply them to implement data networks, as LAN and WAN. At the end of the course students will be able to analyze and design the most common types of computer and digital devices networks, facing to theoretical and practical concepts that unify different telecommunications networks.
Program
01. Introduction:
01.01 Aims of computer networks and their classification.
01.02 OSI and TCP / IP reference models.
01.03 Examples of networks and standardization of networks.
02. Physical level:
02.01 Theoretical basis of communication and physical transmission of data.
02.02 Guided transmission media.
02.03 Wireless transmission media.
03. Access technologies:
03.01 Internet trending.
03.02 Local loop and old technologies.
03.03 xDSL.
03.04 Fiber optic access technology.
03.05 Fixed Wireless Access.
04. Wireless networks:
04.01 The mobile telephone system.
04.02 Evolution of the cellular system - 5G
04.03 Wireless LAN (IEEE 802.11 standard).
04.04 Bluetooth.
04.05 Wireless Personal Area Network.
05. Network level:
05.01 Architectural problems of the network layer.
05.02 IPv4 protocol and addressing.
05.03 IPv6 protocol and addressing.
05.04 Network devices
05.05 Routing algorithms
05.06 Congestion
06. Internetworking:
06.01 Point-to-Point Protocols
06.02 Address Resolution and ARP.
06.03 ICMP and network control.
06.04 DHCP.
06.05 Network Address Translation (NAT).
06.06 VLAN.
07. Transport level:
07.01 Description of transport services.
07.02 Elements of transport protocols.
07.03 Flow control and error management.
07.04 The connectionless Internet transport protocol: UDP.
07.05 The connection-oriented Internet transport protocol: TCP.
08. Application level:
08.01 Email: MIME, SMTP, IMAP, POP3.
08.02 File transfer: FTP, TFTP.
08.03 DNS - Domain Name System.
08.04 World Wide Web and HTTP.
08.05 Browser APIs and Protocols
08.06 CDN - Content Delivery Network and Video Streaming
09. Security in networks:
09.01 Access Control and Authorization.
09.02 Authentication protocols, integrity protocols and key distribution.
09.03 Firewall.
09.04 IPS (Intrusion Prevention System) and IDS (Intrusion Detection System) systems.
10. Laboratory activities:
10.01 Network utilities (addressing, perimeter probing, traffic monitoring).
10.02 Simple cases of network management.
10.03 Socket programming.
10.04 Implementation of client-server systems.
10.05 Access to web resources.
Learning Achievements (Dublin Descriptors)
Knowledge and understanding:
After completing the course students will acquire the basic concepts of how computer networks work and how they are structured.
Applying knowledge and understanding:
At the end of the course students will have acquired their own analysis and design methodologies of computer networks or their components
Making judgments:
At the end of the course students will be able to apply the methods of analysis and design of computer networks in order to solve problems and deploy digital devices in computer networks
Communication skills:
At the end of the course students will have acquired the ability to express the basic concepts of computer networks with appropriate terms and technical jargon.
Learning ability:
During the course the student will acquire the ability to study and learn the basics of computer and communications networks, through the assimilation of protocols and services.
Teaching Material
The teaching material prepared by the lecturer in addition to recommended textbooks (such as for instance slides, lecture notes, exercises, bibliography) and communications from the lecturer specific to the course can be found inside the Moodle platform › blended.uniurb.it
Teaching, Attendance, Course Books and Assessment
- Teaching
In-person lectures and laboratory sessions for practical concepts
- Attendance
Attendance is not mandatory but highly recommended.
- Assessment
- First part: Programming and report concerning networks, agreed with Professor, to be delivered a week before the exam date (Guidelines for the Exam's Report). With this test we want to assess skills and problem solving skills on real and complex topics in the field of networks. The test, if passed, gives access to the second part of exam.
- Second part: Discussion of the project and review questions on the syllabus. It aims to ascertain knowledge of the topics, general and particular, addressed during the course and to evaluate the deduction skills necessary to approach new problems in the context of computer networks
- Disabilità e DSA
Le studentesse e gli studenti che hanno registrato la certificazione di disabilità o la certificazione di DSA presso l'Ufficio Inclusione e diritto allo studio, possono chiedere di utilizzare le mappe concettuali (per parole chiave) durante la prova di esame.
A tal fine, è necessario inviare le mappe, due settimane prima dell’appello di esame, alla o al docente del corso, che ne verificherà la coerenza con le indicazioni delle linee guida di ateneo e potrà chiederne la modifica.
Additional Information for Non-Attending Students
- Teaching
The teaching material prepared by the lecturer in addition to recommended textbooks (such as for instance slides, lecture notes, exercises, bibliography) and communications from the lecturer specific to the course can be found inside the Moodle platform › blended.uniurb.it
- Assessment
- First part: Programming and report concerning networks, agreed with Professor, to be delivered a week before the exam date (Guidelines for the Exam's Report). With this test we want to assess skills and problem solving skills on real and complex topics in the field of networks. The test, if passed, gives access to the second part of exam.
- Second part: Discussion of the project and review questions on the syllabus. It aims to ascertain knowledge of the topics, general and particular, addressed during the course and to evaluate the deduction skills necessary to approach new problems in the context of computer networks
- Disabilità e DSA
Le studentesse e gli studenti che hanno registrato la certificazione di disabilità o la certificazione di DSA presso l'Ufficio Inclusione e diritto allo studio, possono chiedere di utilizzare le mappe concettuali (per parole chiave) durante la prova di esame.
A tal fine, è necessario inviare le mappe, due settimane prima dell’appello di esame, alla o al docente del corso, che ne verificherà la coerenza con le indicazioni delle linee guida di ateneo e potrà chiederne la modifica.
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