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WorksheetsCloud computing and distributed system
Total questions: 20
Worksheet time: 10mins
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
What is the parallel efficiency(Eff) of an algorithm? Where a task takes time T in uniprocessor system, P is number of processors, M is time taken by each processor.
Eff = (T*P)/M
Eff = T*(M/P)
Eff = T/(P*M)
Eff = T*P*M
Independent server clusters share storage through high-speed network storage in -
Shared memory architecture
Shared nothing architecture
Shared disk architecture
None of the above
Which of the following OpenStack component is used for networking services?
Swift
Neutron
Cinder
Keystone
In a Classical Algorithm of Ring Election, what will be the message complexity for N labelled processes ?
(N-1) messages
(2N-1) messages
(3N-1) messages
(4N-1) messages
Which is responsible for the operation of a collection of computers that are c connected via high speed local area networks?
Computer Manager
Cloud Manager
Cluster Manager
None of these
________ ensures the ability to exchange/ obtain the information to be consumed
Data Level Interoperability
Service Level Interoperability
Security Level Interoperability
Machine Level Interoperability
The inter process communication between different nodes in Hadoop uses
REST API
RPC
RMI
IP Exchange
OpenStack provides
SaaS
PaaS
IaaS
All the above
Consider the following statements: Statement 1: When two processes are competing with each other causing data corruption, it is called deadlock. Statement 2: When two processes are waiting for each other directly or indirectly, it is called race condition.
Only statement 1 is true
Only statement 2 is true
Both statements are true
Both statements are false
Which is not a challenge of a Multi-Tenant Data Center:
Agility
Location independent addressing
Performance uniformity
Scalability
