CA AppLogic Administrator Questions + Answers

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Question 1
In CA AppLogic, a class definition consists of a class descriptor and one or more class volumes. What does a class volume contain?
A. A reference to a storage Logical Unit Number (LUN)
B. All the software required to boot and operate an instance of this class
C. A reference to the IP address or host name of the commodity server on which the object is stored
D. The characteristics of the appliance as a component, including its inputs, outputs, configuration properties, and their default values and hardware resources


Answer : B

Question 2
The WS_API enables you to perform useful functions, such as:
A. Migrating users from CA AppLogic versions before r3.0.
B. Implementing a WebX4 Linux cluster as an assembly of appliances.
C. Integrating CA AppLogic with CA Access Control to protect your web applications.
D. Invoking commands through the RESTful application programming interface (API).


Answer : D

Question 3
Which step should you perform when you provision the WS_API?
A. Edit the input_template.cfg file.
B. To configure the application, start it immediately after you provision it.
C. Run the vol manage ws_api_instance:data command and edit the vdcs.conf file.
D. When prompted for a password for Secure Shell (SSH) access, enter ws_api_usr.


Answer : C

Question 4
Before removing a server from the grid or replacing a hard disk, to retrieve any virtual volume streams off the server, which command should you run?
A. vol clean
B. vol scoop
C. vol migrate
D. vol reinstate


Answer : C

Question 5
When you configure authentication for the Backbone Fabric Controller (BFC):
A. Make sure that all users access the BFC using the BFC shell only.
B. Make sure that the bfcaadmin user has read-only access to the database replica directory.
C. Do not change the default root password, because this is required for a correct configuration.
D. Add any necessary public SSH keys for users that will access the BFC to the ‘/root/.ssh /authorized_keys’ file.


Answer : D


Question 6
CA AppLogic is able to:
A. Automatically recover from VN failures with zero downtime.
B. Manage all applications, servers, and storage with an iPad application.
C. Handle server or network hardware failures automatically without data loss.
D. Manage external systems, such as Storage Area Networks (SANs), networks, and grids to redirect failed applications elsewhere.


Answer : C

Question 7
You need to enable your grid servers to PXE boot on the Backbone Fabric Controller (BFC) network. Which steps do you need to perform? (Choose two)
A. In System Security, set AC power recovery to OFF.
B. On the power controller setup screen, set IPMI over LAN to off.
C. In the boot settings, enable the backbone NIC to boot before the disk.
D. Enable backbone Network Interface Cards (NICs) to PXE boot in the BIOS.


Answer : C,D

Question 8
The Backbone Fabric Controller (BFC) should be accessible to all users who will be creating grids or maintaining the BFC. You should allocate one RFC1918 range to use for backbone addresses. Which range is valid for this purpose?
A. 12.64.0.0/8
B. 30.128.0.0/32
C. 142.120.0.0/16
D. 192.168.64.0/24


Answer : D

Question 9
Which guidelines will help you to maximize security for the CA AppLogic platform? (Choose three)
A. Secure private keys with a passphrase.
B. Ensure that only CA AppLogic users have direct access to commodity enterprise servers.
C. When using a global directory service, do not provide access to the implicit local group all.
D. When using a global directory service, check the strength of the passwords used in the service.
E. Use password authentication only for Secure Shell (SSH) access to the Backbone Fabric Controller (BFC) server.


Answer : A,C,D

Question 10
In CA AppLogic, which component is used to implement a distributed storage subsystem that combines the advantages of a global file system with an object store?
A. Global Disk Array (GDA)
B. Global Storage Pool (GSP)
C. Global Access Cache (GAC)
D. Global Volume Store (GVS)


Answer : A,D


Question 11
Once your grid is up and running, you want to run some commands to check the grids status. Which commands can you use? (Choose five)
A. srv list
B. app list
C. msg list
D. grid info
E. vol check
F. aldo check
G. grid inspect


Answer : A,B,C,D,E

Question 12
To create a grid, what does the CA AppLogic Backbone Fabric Controller (BFC) require?
A. A set of servers preloaded with CentOS, ssh keys installed on each server, and public and private IP addresses
B. A set of servers with CentOS installed, a list of Media Access Control (MAC) addresses for the public interface of each server, network address details, and access to power controllers
C. A set of servers with no operating system installed, a list of MAC addresses for the private interface of each server, network address details, access to power controllers, and a Service Level Agreement (SLA) policy defined
D. A set of servers with no operating system installed, a list of MAC addresses for the private interface of each server, network address details, access to power controllers, authentication configuration, and VLAN configurations


Answer : C

Question 13
You have configured the hardware and software for the servers that you will use for your
CA AppLogic installation. You have two bare metal servers that you will use for your grid servers. You review a configuration list for your Backbone Fabric Controller (BFC), which includes the following items:
-> 2GB RAM
-> CentOS 5.5 i386 installed
-> Two Gigabit Ethernet adapters
-> YUM repository (external or local for operating system updates)
-> 10 GB hard disk space (to house multiple versions of CA AppLogic)
Which list item will you need to revise?
A. 2GB RAM
B. YUM repository
C. 10 GB hard disk space
D. CentOS 5.5 i386 installed


Answer : C

Question 14
What does a standard, non-highly available configuration of the CA AppLogic fabric consist of?
A. One public NIC, one private NIC, and one power interface NIC
B. Two public NICs, two private NICs, one storage NIC, and one power network interface NIC
C. One public Network Interface Card (NIC), one power interface, one storage NIC, and one power interface NIC
D. One public NIC, two private NICs, one Storage Area Network (SAN) Host Bus Adapter (HBA), and one power network interface NIC


Answer : A

Question 15
When testing application high availability (HA), you need to ascertain what happens as a result of the failure of:
A. A server
B. A package.
C. An appliance
D. An assembly


Answer : A

Question 16
A key characteristic of CA AppLogic is that it separates:
A. Applications from components.
B. Automation from orchestration.
C. The application from the data center infrastructure.
D. Administration functions from auditing functions at the data center level.


Answer : C

Question 17
Which statement about CA AppLogic abstraction and virtualization is TRUE?
A. CA AppLogic virtualizes direct access to peripheral devices, such as tape drives.
B. For each type of virtual resource, there are several scalable, system wide resource pools.
C. CA AppLogic virtualizes access to two types of peripheral devices: block storage devices and serial ports.
D. CA AppLogic abstracts hardware into three different types of virtual resources: virtual volumes, virtual network interfaces, and compute.


Answer : D

Question 18
You need to integrate an application running on CA AppLogic into a legacy environment.
The application needs a shared Storage Area Network (SAN) storage device that has a shared file system. To perform a successful implementation, what can you do?
A. You can do nothing in this case, because CA AppLogic is unable to use storage outside the internal IP SAN.
B. Use network cards on the private network with iSCSI support which will automatically initiate connections to the SAN on boot.
C. Create a custom appliance that will mount a remote share using Network File System (NFS) through a combination of NASR and OUT appliances.
D. Install a Host Bus Adapter (HBA) on each server, plug into the fiber channel network, mount the volume on grid nodes, and enable CA AppLogic to manage it.


Answer : C

Question 19
You are configuring the Backbone Fabric Controller (BFC) environment. Which step do you need to perform on the Discovery tab, if you want to configure Blacklist discovery mode?
A. Add the Media Access Control (MAC) addresses of any server or device that is added to the backbone network through DHCP and that should not be discovered by the BFC.
B. Enable the BFC to power control grid servers by Intelligent Platform Management Interface (IPMI).
C. Add the backbone MAC addresses of all grid servers that should be part of this BFC.
D. Enable the MAC addresses of all grid servers to be discovered using IPMI.


Answer : A

Question 20
Which statement about object migration in CA AppLogic is TRUE?
A. The object is removed from the original grid.
B. The source object can be migrated while it is running.
C. After migration, the object can be found in the archive on the impex volume on the destination grid.
D. During the migration, the copied object can be configured by setting application boundary properties and resources.


Answer : D


Question 21
In which situation would you use a Blacklist mode of discovery?
A. When the backbone network is dedicated to the Backbone Fabric Controller (BFC)
B. When the backbone network is shared by more than one BFC
C. When the BFC is not the only DHCP server on the network
D. For servers that have not yet had their BIOS configured


Answer : A

Question 22
Which statement about the Backbone Fabric Controller (BFC) is TRUE?
A. It is started by the grid controller.
B. Each BFC can manage up to 50 grids.
C. It only allocates hardware to grid servers that have CentOS installed.
D. It creates the grid by provisioning the allocated hardware with the specified CA AppLogic version, including all application catalogs.


Answer : D

Question 23
You need to develop and test several versions of your application in CA AppLogic. To maintain a version history of your application, which strategies are recommended?
(Choose three)
A. Configure versioning on the grid controller.
B. Integrate CA AppLogic with CA Cloud Orchestrate.
C. Export the copy to a named archive that can incorporate a version.
D. Migrate the application to another grid and incorporate the version in its name.
E. Copy your application, making a snapshot of its current state, and incorporate the version in the named copy.


Answer : C,D,E

Question 24
Because your grid has network high availability (HA), before going live with the grid, you want to perform a number of switch failover tests. Which test should you perform to simulate switch power failure?
A. Disconnect all cables from one switch for one minute.
B. Pull all the network cables from one bank of interfaces on the switch.
C. Pull the power on one switch and leave it offline for at least five minutes.
D. Access the switch administrative interface and administratively shut the port to disable it.


Answer : C

Question 25
When the CA AppLogic grid controller becomes non-responsive, which step do you perform?
A. Reboot the server.
B. Restart the grid controller.
C. Re-install the grid controller.
D. Remove and remount the server.


Answer : B