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WorksheetsQuiz 2
Total questions: 32
Worksheet time: 20mins
1. What is the main purpose of a Version Control System?
To manage multiple versions of source code
To delete old versions of files
To enhance the security of software projects
To speed up software compilation
2. What type of Version Control System is Git?
Centralized
Distributed
Local
Hybrid
Which command is used to create a new Git repository
git init
git clone
git commit
git add
Which command is used to synchronize changes from the remote repository to your local repository?
git push
git pull
git clone
git merge
What is a branch in Git?
A type of version control system
A pointer to a specific commit
A separate workspace for development
A backup copy of the repository
What mode should be used to open a file in Python for reading?
'w'
'r'
'a'
'x'
Which method is used to write data to a file in Python?
read()
write()
open()
append()
How do you read the entire content of a file as a string in Python?
Which method is used to read a single line from a file?
read()
readline()
readlines()
write()
What does an ultrasonic sensor primarily measure?
Temperature
Pressure
Distance
Light intensity
What is the primary function of the Common Services Entity (CSE) in oneM2M?
Manages network traffic
Provides common services to AE and other CSEs
Stores application data
Authenticates users
In oneM2M, what does the acronym MN-CSE stand for?
Master Network - Central Service Entity
Middle Node - Common Service Entity
Main Node - Communication Service Entity
Mobile Network - Centralized Service Entity
What is the role of the Infrastructure Node (IN) in the oneM2M architecture?
To manage network connections between devices
To provide services at the infrastructure level, such as cloud services
To handle device authentication and security
To store and process application data locally
To store and process application data locally
IoT service platform
IoT application
IoT device platform
Thing Adaptation Software (TAS)
What is the purpose of the &Cube component in the diagram?
To provide power to IoT devices
To act as a gateway between IoT devices and the network
To process data collected from IoT devices
To store and retrieve data from the IoT service platform
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The oneM2M architecture consists of four layers
False
True
Application Service Node is a logical device containing a CSE and AE located in the field domain.
False
True
The oneM2M architecture is designed to support global IoT interoperability
False
True
Horizontal IoT frameworks are generally less flexible and can be applied across various industries.
False
True
The Thing Adaptation Software (TAS) is responsible for controlling IoT devices
False
True
The git add command commits changes directly to the repository
False
True
A commit in Git is like a snapshot of the repository at a specific point in time.
False
True
A pull request is a request to merge changes from one branch into another.
False
True
The git merge command is used to delete a branch.
False
True
The git log command shows the commit history of a repository
False
True
The DHT11 sensor can measure both temperature and distance.
False
True
The DHT11 sensor can measure both temperature and distance.
False
True
When a file is opened in 'w' mode, the file's existing content is preserved and new content is
False
True
The psutil.disk_usage('/') function returns the disk usage statistics for the root directory (/).
False
True
The psutil.cpu_count() function returns the number of logical CPUs (including hyper-threading) by default.
False
True
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