1. Which of the following layer serves as the mediator for file I/O, the memory I/O, and application calls and response to DLLs?
a) application
b) client
c) virtualization
d) none of the mentioned
Explanation: The running application in AppZero changes none of the registry entries or any of the files on the Windows Server.
2. Which of the following application delivery platform’s main focus is on desktop installations?
a) Microsoft App-V
b) Microsoft Hyper
c) Amazon EC2
d) All of the mentioned
Explanation: Installations can be done over the network after the AppZero application appliance is installed.
3. Which of the following is the most widely used technique for abstraction?
a) Load balancing
b) Load scheduling
c) Load scaling
d) All of the mentioned
Explanation: With load balancing, system requests are directed to appropriate systems on demand.
4. Which of the following is a potent cloud-building technology?
a) vSphere
b) HyperCube
c) vCube
d) All of the mentioned
Explanation: vSphere can create virtual machines, virtual datastores, and virtual networks, and move these resources about while the system is active.
5. Point out the correct statement.
a) Capacity planning seeks to match demand to available resources
b) Capacity planning examines what systems are in place, measures their performance, and determines patterns in usage that enables the planner to predict demand
c) Resources are provisioned and allocated to meet demand
d) All of the mentioned
Explanation: Performance tuning and optimization is not a primary goal of capacity planners.
6. What is the relation of the capacity attribute to performance?
a) same
b) different
c) similar
d) none of the mentioned
Explanation: With capacity, you are concerned about how much work a system can do, whereas with performance, you are concerned with the rate at which work gets done.
7. What does L in LAMP stands for?
a) Lamp
b) Linux
c) Lone
d) None of the mentioned
Explanation: LAMP stacks based on Red Hat Linux are more common than the other distributions.
8. Point out the wrong statement.
a) Network capacity is one of the easiest factors to determine
b) A system uses resources to satisfy cloud computing demands that include processor, memory, storage, and network capacity
c) Scaling a system can be done by scaling up vertically to more powerful systems
d) All of the mentioned
Explanation: Network performance is affected by the network I/O at the server, network traffic from the cloud to Internet service providers, and over the last mile from ISPs to homes and offices.
9. Which of the following is one of the major categories of Amazon Machine Instances that you can create on the Amazon Web Service?
a) WAMP
b) XAMPP
c) LAMP
d) None of the mentioned
Explanation: On Amazon Web Services, machine instances are offered for both Red Hat Linux and for Ubuntu.
10. Which of the following is used as a substitute for PHP as a scripting language in LAMP?
a) Scala
b) Perl
c) Ruby
d) None of the mentioned
Explanation: Either Perl or Python is often substituted for PHP as the scripting language used.