Cloud computing and distributed system

In which layer does IPsec work?

• Data link layer

• Network layer

• Transport layer

• Presentation layer

Point out the wrong statement.

• Abstraction enables the key benefit of cloud computing: shared, ubiquitous access

• Virtualization assigns a logical name for a physical resource and then provides a pointer to that physical resource when a request is made

• All cloud computing applications combine their resources into pools that can be assigned on demand to users

• All of the mentioned

Application frameworks provide a means for creating ________ hosted applications using IDE

• PaaS

• SaaS

• CaaS

• All of the mentioned

Which of the following cloud concept is related to pooling and sharing of resources?

• Polymorphism

• Abstraction

• Virtualization

• None of the mentioned

Which of the following is application and infrastructure management software for hybrid multi-clouds?

• VMware Hyperic

• Webmetrics

• Univa UD

• Tapinsystems

The technology used to distribute service requests to resources is referred to as _____________

• load performing

• load scheduling

• load balancing

• all of the mentioned

Messages whose ‘send’ is done but ‘receive’ is undone due to rollback are called__________

• In-transit messages

• Lost messages

• Orphan messages

• Duplicate messages

The ____________________may arise when a process rolls back to its checkpoint after a failure and requests all the other affected processes also to roll back

• Rollback

• Phantom Effect

• Domino Effect

• Livelock problem

_____________________where a VM can be moved from one physical machine to another even as it continues to execute.

• Load Balancing

• Migration

• Live Migration

• Server consolidation

_____________________ method is completely OS and application agnostic __________________________method access to OS stats and application logs

• Black-box, Gray-Box

• Gray-Box, Black-box

• Black-box, White-Box

• Gray-box, White-Box