Data Communication and Network Security
2015-2016 - IMT2431 - 10 ECTS

Expected learning outcomes


  • The candidate possesses thorough knowledge of models and protocols in data communication networks.
  • The candidate possesses thorough knowledge in the theory of network security.
  • The candidate is capable of applying his/her knowledge in the field of IT-security.
  • The candidate is capable of updating his/her own knowledge in data communication networks.


  • The candidate is capable of performing basic network administration tasks.
  • The candidate is capable of performing error tracking and solving in basic networks.
  • The candidate knows relevant methods and terminology in the area of data communications.

General competence:

  • The candidate is capable of working independently and in groups in the field of data communication.
  • The candidate is capable of designing, analyzing, and performing maintenance on basic networks.

After completion of the course, the students:

  • Will have knowledge of the most used standards and protocols for data communication.
  • Will understand the principles of network security.


  • Basics of computer networks
  • Application layer (HTTP, SMTP, DNS)
  • Transport layer (TCP, UDP)
  • Network layer (IP, ICMP, routing)
  • IPv6 Network addressing
  • Data link and physical layer (Ethernet, MAC, ARP, witching, VLANs)
  • Basics of network security, including applied cryptography
  • Authentication in networks (Kerberos)
  • Firewalls
  • Network Intrusion Detection Systems

Teaching Methods

Laboratory work

Form(s) of Assessment


Form(s) of Assessment (additional text)

The exam consists of three/(four optional) parts. These include the final exam of CCNA R&S Module 1 + 2, a written subnetting exercise, a router configuration part using Packet Tracer simulation software (optional) and a written exam of network security.
Part 1:  - Final Exam (50 points) CCNA Module 1, I2N
Part 2:  - Final Exam (50 points) CCNA Module 2  R&S
Part 3:  - written exam network security (50 points),  
            - written exam subnetting (50 points / optional 25 points)
            - optional, skill test Packet Tracer (optional 25 points),
All sub-parts must be passed (>=40%) to pass the course
Conversion from 200 point scale to A-F scale according to recommended conversion table. In specific circumstances, emneansvarlig can slightly adjust the limits in the conversion table to enforce compatibility with the qualitative descriptions on the A-F scale.

Grading Scale

Alphabetical Scale, A(best) – F (fail)

External/internal examiner

Evaluated by internal examiner, external examiner is used periodically (every four years, next time in 2015/2016)

Re-sit examination

Single Parts of the exam can be re-taken again.

Examination support


Coursework Requirements


Teaching Materials

CISCO Netacademy teaching materials.

Handout articles.

Kurose, J. and Ross, K.W. (2008): Computer Networking: A Top-Down Approach, sixth edition. Addison- Wesley (recommended background material).
William Stallings: Cryptography and Network Security: Principles and Practice 6 Ed. (recommended background material).

Replacement course for