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Internetworking with TCP/IP
Question 1
Which order of magnitude fits best for describing how many Internet users there are today?
- hundreds of thousands
- millions
- hundreds of millions
- billions
- hundreds of billions
Watch the corresponding course video to solve the question.
Check your answer
Question 2
Which layer of the TCP/IP stack performs this task: Providing logical addresses for communication peers
- Application layer
- Hardware layer
- Internet layer
- Link layer
- Transport layer
Watch the corresponding course video to solve the question.
Check your answer
Internet Security
Question 3
Which of the following measure increases the security of a web browser?
- Sandboxing
- Skydiving
- Web Surfing
- Cross-Site Scripting
- Click Hijacking
Watch the corresponding course video to solve the question.
Check your answer
Question 4
Which of the following configuration options for WLANs make them (adequately) secure?
- MAC addressfilter
- WEP encryption
- Hiding ESSID
- WPA2 encryption
- WPS (Wi-Fi Protected Setup) with PIN entry
- Selection of a complicated (secure) password in combination with a secure cryptographic technique
Watch the corresponding course video to solve the question.
Check your answer
Python for Kids
Question 5
In Python "!"*10 is:
- String "!10"
- String "!!!!!!!!!!"
- error: you can´t multiply strings!
Watch the corresponding course video to solve the question.
Check your answer
Question 6
range(10)
- returns: 1,2,3,4,5,6,6,7,9.
- returns: 1,2,3,4,5,6,7,8,9,10.
- returns: 0,1,2,3,4,5,6,7,8,9.
Watch the corresponding course video to solve the question.
Check your answer
In-Memory Data Management
Question 7
Punchcards were the early predecessors of enterprise data management systems. What basic operations were already supported by punchcards?
- open, solve, close
- extract, transform, load
- delete, update, drop
- sort, filter, merge, aggregate
Check your answer
Question 8
What are the consequences of maintaining materialized aggregates in an application?
- The database has to reboot, apart from that, no further consequences occur
- Insert and update transactions will be slowed down, as the materialized aggregates need to be recalculated and updated. Additionally, storage consumption is increased.
- Performance suffers because all aggregates need to be checked for validity upon each request.
- The performance is not a ected apart from a one time e ort to initially create the aggregate
Check your answer
Watch the corresponding course video to solve the two questions.
Knowledge Engineering with Semantic Web Technologies
Question 9
Semantic Web enables
- Natural Language Processing
- Documents to be machine-readable
- Integration of heterogeneous data
- To infer new knowledge from existing information
- Fast and powerful Web search
Watch the corresponding course video to solve the question.
Check your answer
Question 10
Translate the information "John likes football." into RDF and match the parts to subject, property, and object.
- Subject = football, Property = likes, Object = John
- Subject = John, Property = likes, Object = football
- Subject = John, Property = football, Object = likes
Watch the corresponding course video to solve the question.
Check your answer
Check correct answers
Question 1
Which order of magnitude fits best for describing how many Internet users there are today?
- hundrets of thausends
- millions
- hundrets of millions
- billions
- hundrets of billions
Back to question and video
Question 2
Which layer of the TCP/IP stack performs this task: Providing logical addresses for communication peers
- Application layer
- Hardware layer
- Internet layer
- Link layer
- Transport layer
Back to question and video
Question 3
Which of the following measure increases the security of a web browser?
- Sandboxing
- Skydiving
- Web Surfing
- Cross-Site Scripting
- Click Hijacking
Back to question and video
Question 4
Which of the following configuration options for WLANs make them (adequately) secure?
- MAC addressfilter
- WEP encryption
- Hiding ESSID
- WPA2 encryption
- WPS (Wi-Fi Protected Setup) with PIN entry
- Selection of a complicated (secure) password in combination with a secure cryptographic technique
Back to question and video
Question 5
In Python "!"*10 is:
- String "!10"
- String "!!!!!!!!!!"
- error: you can´t multiply strings!
Back to question and video
Question 6
range(10)
- returns: 1,2,3,4,5,6,6,7,9.
- returns: 1,2,3,4,5,6,7,8,9,10.
- returns: 0,1,2,3,4,5,6,7,8,9.
Back to question and video
Question 7
Punchcards were the early predecessors of enterprise data management systems. What basic operations were already supported by punchcards?
- open, solve, close
- extract, transform, load
- delete, update, drop
- sort, filter, merge, aggregate
Back to question and video
Question 8
What are the consequences of maintaining materialized aggregates in an application?
- The database has to reboot, apart from that, no further consequences occur
- Insert and update transactions will be slowed down, as the materialized aggregates need to be recalculated and updated. Additionally, storage consumption is increased.
- Performance su ers because all aggregates need to be checked for validity upon each request.
- The performance is not a ected apart from a one time e ort to initially create the aggregate
Back to question and video
Question 9
Semantic Web enables
- Natural Language Processing
- Documents to be machine-readable
- Integration of heterogeneous data
- To infer new knowledge from existing information
- Fast and powerful Web search
Back to question and video
Question 10
Translate the information "John likes football." into RDF and match the parts to subject, property, and object.
- Subject = football, Property = likes, Object = John
- Subject = John, Property = likes, Object = football
- Subject = John, Property = football, Object = likes
Back to question and video
This page was last changed at Mon, 09 Mar 2015 12:31:37 +0000.