40 Questions
What is the primary function of a data communication system?
To provide services of communications
What is one of the benefits of computer networks?
Easy access and sharing of information
What can be shared in a computer network?
Expensive devices and network resources
What is an example of modern technology used in computer networks?
IP telephony
What is the function of a NIC?
To directly access the network
What type of devices can be classified as end devices?
Where a message originates from or where it is received
What can be used to connect computers and network devices?
Shared channels (transmission media)
What is an example of a wired transmission media?
Metallic wires
What is a characteristic of a switch in a network?
It provides address-intelligence forwarding based on H/W address.
What is a common use of a LAN?
To allow users to share files and services.
What is the primary function of a router?
To make routing decisions based on IP addresses.
What is an example of a WAN?
A group of computers connected in a large geographical area such as a country.
What is the primary difference between a LAN and a MAN?
The geographical area covered.
What type of network connects two LANs?
A WAN.
What is a classification of networks based on the geographical area covered?
Covered area.
What is the main focus of the NSA 131 course?
Understanding the basic concepts of data networks
What is a characteristic of a router?
It inspects the destination IP address.
What percentage of the total assessment score is allocated to the final exam?
40
What is the policy for attending lectures?
You are not allowed to attend the lecture after 5 minutes of its start
What is the main objective of the lecture?
To gain knowledge
What is the topic of the first chapter of the course?
Introduction to Computer Networks
What is the purpose of the assignment and participation tasks?
To assess the student's understanding of the course material
When is the first exam scheduled to take place?
Week 05
How many types of assessment tasks are mentioned in the course?
5
What is dependent on the type and number of equipment being used and cost?
Network topology
What type of diagrams illustrate the physical location of intermediary devices and cable installation?
Physical topology diagrams
What type of topologies are easy to install, very scalable, and easy to troubleshoot?
Star and Extended Star topologies
What is the main advantage of packet-switching in terms of line efficiency?
Single node to node link can be shared by many packets over time
What is the purpose of buffering data in packet-switching?
To equalize the data transmission rates
What type of topology has all end systems chained together and terminated on each end?
Bus topology
What type of topology has each end system connected to its respective neighbors to form a ring?
Ring topology
What type of medium is required for data transmission?
Either cable or wireless medium
What is an example of a central cable in Bus Topology?
Backbone
What is the most common type of cable used in data networks?
Twisted pair cable
What type of transmission is illustrated in the Bus LAN Example?
Frame Transmission
What is the main characteristic of fiber optic cables?
Uses pulses of light
How many types of network topologies are mentioned in the text?
5 (including Hybrid)
What is the primary factor that determines the type of cable chosen for a network?
All of the above
What is the purpose of nodes in packet-switching?
To buffer data if required
What is an example of wireless transmission media?
All of the above
Test your understanding of data networks, including components, layers, protocols, and security vulnerabilities. Develop your skills in designing a network and using assessment strategies.
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