VCS Test02

Question 1: ID# 373445 Category: Multiple Response


A critical service group AppSG1's ManageFaults attribute is set to NONE, if a resource faults occurs which of the following VCS will perform on the faulted resource?

A. VCS marks the resource state as ADMIN_WAIT. B. VCS calls offline entry Point. C. VCS does not take any action to bring the resource online. D. VCS calls the resadminwait trigger. E. VCS does not failover the service group. F. VCS calls CLEAN entry point.

You Chose:

Correct Answer(s): [A] [C] [D] [E]

You answered the following question Incorrectly

Question 2: ID# 941786 Category: Multiple-Option

Your company has two data center located two miles apart. There are dedicated links available for heartbeat but no SAN storage. Which of the following is an ideal vcs solution?

You Chose: [No Answer Given]

Correct Answer(s): "Replicated data cluster."



You are tasked with a high availability design where a application run in the frontend. There is a database connected to the backend. If the database is not up and running the application cannot function. The clients connect to the application with a in house built application. Your design must configure that the database comes online first and then the application.Which of the following ways you can design this for high availability?

A. Configure two service groups where database service group is the parent and application service group is the child. B. Configure two service groups where application service group is the parent and database service group is the child. C. Configure one service group where database resource is the parent and application resource is the child. D. Configure one service group where application resource is the parent and database resource is the child.

You Chose:

Correct Answer(s): [B] [D]



Which of the following VxVM and VxFS feature provides better performance and or faster recovery in the event of a volume failure?

A. Snapshot copy. B. Raid5 C. Mirroring D. Storage checkpoint.

You Chose:

Correct Answer(s): [A] [D]



You want to configure custom notification, in the event of a RichApp failure. Which of the following utility will provide that feature?

A. notifier B. hanotify C. smtp D. snmp

You Chose:

Correct Answer(s): [A]



You want to add a resource to existing service group, you want to make sure that if this resource fails the service group does not fail over.Which of the following attribute will accomplish this?


Correct Answer(s): "critical=0"



One of the application vendor recomended that the patch cluster need to be upgraded in a live production server, in order for the application to function properly, what is the first thing needs to be considered?


Correct Answer(s): "Determine the patch cluster already installed in the system."



If you don't plan to use /etc/VRTSvcs/conf/sysname file for the system identification, which of the following ways should you specify the hostname?

A. Output of uname -a B. /etc/llthosts file C. /etc/hosts file D. Output of uname -n

You Chose:

Correct Answer(s): [D]



Which of the following must be needed for Replicated Data cluster?

A. RVG volume service group. B. RVG agent. C. Application Service Group. D. Databse Service group.

You Chose:

Correct Answer(s): [A] [B]



The location in which vcs configuration files are located?

A. /etc/VRTS/conf/config B. /etc/VRTSvcs/conf C. /etc/VRTSvcs/conf/config D. /etc/vx/bin/config

You Chose:

Correct Answer(s): [C]



Which of the following is not recommended when setting disk heartbeat?

A. Partition containing disk heartbeat can be used for other purposes. B. Partition containing disk heartbeat cannot be used for other purposes. C. Disk with no other filesystems. D. Shared disk with busy filesystems.

You Chose:




Which of the following best describes types of service groups.

A. Parallel service groups run on different systems at the same time and they are aware of the shared disk data changes. B. Parallel service groups are very easy to maintain. C. Failover service groups run on one system and can be failed over to the other system in the event of a failure. D. Parallel service groups run on one system and can be failed over to the other system in the event of a failure.

You Chose:

Correct Answer(s): [A] [C]



For testing purposes you are removing two machine and adding two more systems. Which of the following information should you change in the /etc/llthosts file?

A. Node ID. B. Nodename. C. Clustername. D. Cluster ID.

You Chose:

Correct Answer(s): [B] [D]



A service group AppSG1 depends on AppSG2 and Appsg3.

You are bringing the service groups offline, which fo the following the order the service groups will stop and go offline?

A. AppSg1 will be offline first, second AppSG2 and AppSG3 will be offline in parallel. B. AppSg1 will be offline first, second AppSG2 and third AppSG3. C. AppSg2 will be offline first, second AppSG3 and third AppSG1. D. AppSg3 will be offline first, second AppSG2 and third AppSG1.

You Chose:




Which of the following command will show the information and verify that information on the both cluster member are same?

A. hasys -display B. hasttus -summary C. hastatus D. haconf -verify

You Chose:




Which of the following file is used to configure disk based heartbeat?


Correct Answer(s): "/etc/gabtab"



The IP agent configured on the cluster rely on which of the follwing?


Correct Answer(s): "NIC"



A customer wants to implement three system cluster, the vcs consultant recomended the following. Which of the following are NOT are not recommended?

A. All the user should the same admin account for ease of administration. B. Use disk heartbeat as well as ethernet interface for heartbeat. C. Cross over cable for heart beat. D. Use Hubs instead of switches for heartbeat. E. scsi ID should be different on all the systems.

You Chose:

Correct Answer(s): [A] [C] [D]



Your company wants high availability system and maintain application binaries as few as possible, updating os and application patches will not be done frequently. Maintainence should be as simple as possible, even if the services has to be stooped for failover. Which of the following ways you can accomplish this?

A. Place the binaries in the shared storage. B. Place the binaries in the network attached storage. C. Place the binaries in the San. D. Place the binaries in the local storage.

You Chose:




Your company wants to implement global clustering, which of the following will you be able to manage by implementing global clustering?

A. Configure global applications, which can failover to local clusters. B. perform operations on global applications from any system in any cluster. C. Monitor remote clusters and objects. D. Configure global applications, which can failover to remote clusters.

You Chose:

Correct Answer(s): [B] [C] [D]



Which of the following series of commands will initialize a disk, create a diskgroup and create a filesystem?

A. vxdisksetup disk_logical_name vxdg init -g testdg testdg01=disk_logical_name vxassist -g testdg make vol01 10g mkfs -(os_specific_arg) /dev/vx/rdsk/testdg/vol01 B. vxdisksetup -i disk_logical_name vxdg init testdg testdg01=disk_logical_name vxassist -g testdg make vol01 10g mkfs -(os_specific_arg) /dev/vx/rdsk/testdg/vol01 C. vxdiskunsetup disk_logical_name vxdg init testdg testdg01=disk_logical_name vxassist -g testdg make vol01 10g mkfs -(os_specific_arg) /dev/vx/rdsk/testdg/vol01 D. vxdiskunsetup -i disk_logical_name vxdg -g init testdg testdg01=disk_logical_name vxassist -g testdg make vol01 10g mkfs -(os_specific_arg) /dev/vx/rdsk/testdg/vol01

You Chose:

Correct Answer(s): [B]



A critical resource has faulted in a service group and cannot be brought online. Which of the following command will clear the resourse fault to bring the resource online?

A. hares -clear resource_name B. hagrp -clear resource_name C. haclear -clear resource_name D. hastart -clear resource_name

You Chose:




You are implementing a custom agent, which of the following will specify the agent location?

A. static str AgentID = "/dir1/my_custom_script" B. static str AgentFile = "/dir1/my_custom_script" C. static str ScriptAgent = "/dir1/my_custom_script" D. static str AgentCustom = "/dir1/my_custom_script"

You Chose:




You are designing a two system cluster, there are two application will be running on the cluster and they are independent of each other. Each of the two application will reside on separate luns. You want to have the flexibility for the applications to failover independent of each other. The disk are under VxVM control.How many disk group you must create?


Correct Answer(s): "2"



A critical service group AppSG1's ManageFaults attribute is set to ALL, if a resource faults occurs which of the following entry points will be called?


Correct Answer(s): "clean"



One of the Application service group in a global replicated cluster cannot failover locally, and it must failover globally. An administrator brings the service group online. Which of the following agent make the volumes and writable and the name services is updated so the service group can start?

A. DNS agent make the name services resolved to the remote sites. B. HAD agent make the name services resolved to the remote sites. C. GAB agent make the name services resolved to the remote sites. D. RVGPrimary agent make the VVR volumes are writable.

You Chose:




Which of the directive in /etc/llttab attaches LLT to network interface and it is also used to limit LLT broadcast and forces heart beat to use the public network if that is the last resort?

A. link-lowpri B. link C. llt D. llt-link

You Chose:




Which of the following documents should be consulted to check the competibility issue with vcs and volume manager?

A. VCS release notes. B. Volume Manager user guide. C. Volume Manager release notes. D. Application release notes.

You Chose:




Which of the following is valid for WAN heartbeat in global cluster?

A. ICMP Ping. B. LLT C. LLT over TCP D. UDP

You Chose:




Which of the following are true about hard dependency?

A. Child group is switched along with the parent group. B. Child group is switched to another node before the parent is failed over to that node. If there is no failover target for the child group, the child group is not taken offline on the node on which the parent group faulted. C. If a critical resource in the child group faults, the parent group is taken offline before the child group. Both parent and child groups failover. D. Child group is does not switched along with the parent group. E. Child group is does not switch to another node before the parent is failed over to that node. If there is no failover target for the child group, the child group is not taken offline on the node on which the parent group faulted. F. If a critical resource in the child group faults, the parent group is taken offline before the child group. Both parent and child groups does not failover.

You Chose:

Correct Answer(s): [A] [B] [C]



/sbin/gabdiskhb -a /dev/dsk/c2t0d0s2 -s 16 -p a/sbin/gabdiskhb -a /dev/dsk/c2t0d0s2 -s 144 -p h/sbin/gabdiskhb -a /dev/dsk/c3t0d0s2 -s 16 -p a/sbin/gabdiskhb -a /dev/dsk/c3t0d0s2 -s 144 -p h/sbin/gabconfig -c -n2

-s and -p refers to...

A. -p specifies the gab control port. B. -s specifies the vcs port. C. -s specifies the start location of 128k block D. -p specifies the port itself.

You Chose:

Correct Answer(s): [C] [D]



Which of the following will eliminate single point of failure in high availability environment?

A. Single Power supply. B. Redundant power supply. C. Mirroring the storage. D. Using VxFS filesystem instead of the OS default. E. Have multiple diskgroup for the same service group.

You Chose:

Correct Answer(s): [B] [C]



Which of the following LLT CANNOT perform?

A. Load balance traffic over multiple links. B. send and receive heartbeats over the network links. C. Maintain the state of communication. D. Route cluster communication to different subnet.

You Chose:




Which of the following are true about failover?

A. The agent informs the VCS HAD that the resoure has faulted, so it needs to be failed over. B. The VCS HAD informs the agent that the resoure has faulted, so it needs to be failed over. C. The LLT informs the VCS HAD that the resoure has faulted, so it needs to be failed over. D. The GAB informs the VCS HAD that the resoure has faulted, so it needs to be failed over.

You Chose:




A company wants to make their web and database server highly available. They wants to use their hardware resources as much as possible. No more budgets available. Two midrange servers are available for webserver, another two high end server for oracle database server.Which of the following would you suggest?

A. Failover service group for Oracle database. B. Parallel service group for Oracle database. C. Parallel service group for web servers. D. Failover service group for web servers.

You Chose:




Which of the directive in /etc/llttab attaches LLT to network interface?

A. link-lowpri B. llt C. llt-link D. link

You Chose:




Which of the following best describes resource dependency?

A. It defines the order in which the resources are brought online or offline. B. Child resource depends on the parents. C. Parent resource depends on the child. D. Parent resource must be offline before a child resource can taken to offline. E. Cyclical Redundency is allowed.

You Chose:




Your company's data centers are about mile apart, you are going to implement high availability. You have decided replicated data cluster is the way to go. For the heartbeat solution vlan is not allowed.Which of the following solution will allow you to setup heartbeat between two system located in two different data center.


Correct Answer(s): "llt over udp"



You are trying to bring a service group online in a clustered system, but vcs refused to bring the service group online on this particular system. It is possible to bring the same service group on other systems.Which of the following could be the reason?

A. The system is not specified on the main.cf file. B. The system is not specified on the SystemList attribute. C. The system is not configured as a failover for that service group. D. The system is not part of the cluster.

You Chose:




Which of the following trigger protects against network partitioning by pinging the the service groups IP address?

A. IP check. B. preonline service group check. C. preonline IP check. D. postonline IP check.

You Chose:




VCS was installed on server1 with -installonly option. It didnot created the configuration packages. Which of the following command can be used to configure VCS for the production environment.

A. ./install configure B. ./installvcs -configure C. ./installvcs -reconfigure D. ./installvcs -installonly

You Chose:




You are implementing a VCS solution for you comapny and you decided that, replicated data cluster is the way to go. What kind replication you must setup?

A. asynchronous B. synchronous C. Mirrored D. Replicated.

You Chose:




Which of the following command will stop and failover a service group from one system to another?

A. hastop -force -evacuate B. hastop all -evacuate C. hastop -all -force D. hastop -local -evacuate

You Chose:




Which of the following configuration files are created by installvcs utility?

A. /etc/llttab B. /etc/llttabs C. /etc/llthosts D. /etc/gabtab

You Chose:




Which of the following are true about clearing a resource fault?

A. Faulted resources are autometically cleared after it is fixed. B. Nonpersistent resources are autometically cleared after the resource is fixed. C. Nonpersistent resources are must be manually cleared after the resource is fixed. D. Persistent resources are must be manually cleared after the resource is fixed. E. Persistent resources are autometically cleared after the resource is fixed.

You Chose:

Correct Answer(s): [C] [E]



Which of the following is true about N-to-1 configuration?

A. Only one server is stand by in the event of a failure. B. All the server is stand by to take over in the event of a failure. C. VCS does not support this types of configuration. D. It reduces hardware cost, but set up is complex.

You Chose:




VCS should monitor the cpu usage but you do not want VCS to take any action. Which of the following values should be appropriate?

A. CPUUsageMonitoring Enabled=1 B. CPUUsageMonitoring Enabled=0 C. CPUUsageMonitoring ACTION=NONE D. CPUUsageMonitoring ACTION=0

You Chose:




Which of the follwing group of people must be involved during the initial phase of HA Design for an applicaion?

A. Network Administrators. B. Software engineers. C. Database Administrators. D. System Administrators.

You Chose:




Which of the following agent is used to update the canonical name-mapping in the domain name server after a wide area failover?

A. Application agent. B. Name server agent. C. custom agent. D. DNS agent.

You Chose:




A database resource does not come online when onilne entry point exits. Subsequent monitor interval finds the resource is not online. Which of the following values of the given attributes should you increase?

A. OnlineTimeout B. OfflineTimeout C. OnlineWaitTimeout D. OfflineWaitTimeout

You Chose:




Which of the following command will create a vxfs filesystem?

A. Solaris: mkfs -V vxfs /dev/vx/rdsk/testdg/vol01 HP-UX: mkfs -t vxfs /dev/vx/rdsk/testdg/vol01 Linux: mkfs -F vxfs /dev/vx/rdsk/testdg/vol01 AIX: mkfs -F vxfs /dev/vx/rdsk/testdg/vol01 B. Solaris: mkfs -F vxfs /dev/vx/rdsk/testdg/vol01 HP-UX: mkfs -F vxfs /dev/vx/rdsk/testdg/vol01 Linux: mkfs -t vxfs /dev/vx/rdsk/testdg/vol01 AIX: mkfs -V vxfs /dev/vx/rdsk/testdg/vol01 C. Solaris: mkfs -F vxfs /dev/vx/rdsk/testdg/vol01 HP-UX: mkfs -V vxfs /dev/vx/rdsk/testdg/vol01 Linux: mkfs -t vxfs /dev/vx/rdsk/testdg/vol01 AIX: mkfs -V vxfs /dev/vx/rdsk/testdg/vol01 D. Solaris: mkfs -F vxfs /dev/vx/rdsk/testdg/vol01 HP-UX: mkfs -t vxfs /dev/vx/rdsk/testdg/vol01 Linux: mkfs -t vxfs /dev/vx/rdsk/testdg/vol01 AIX: mkfs -F vxfs /dev/vx/rdsk/testdg/vol01

You Chose:




Which of the following has added advantage to high availability?

A. DMP B. SCSI C. Fiber D. TCP

You Chose:




Which of the following command can be used to create vmdisk for heartbeat?


Correct Answer(s): "/opt/VRTSvcs/bin/hahbsetup c3t0d0"



You would like to know if one of the system service group is online,which of the following mechanism will provide this information?

A. haevent -postonline system service_group B. haevent -preonline system service_group C. hatrigger -postonline system service_group D. hatrigger -preonline system service_group

You Chose:




You are implementing a VCS solution for you comapny and you decided that, replicated data cluster is the way to go. You have an application service group that depends on the database service group. Which of the following dependency you must configure for the application service group?

A. Online local hard. B. Online local soft. C. Online global hard. D. Online global soft.

You Chose:




A critical service group AppSG1's ManageFaults attribute is set to ALL, if a resource faults occurs which of the following entry points will be called?


Correct Answer(s): "clean"



Which of the following is true when brining up a fialover service group offline?

A. A service group is considered offline when all the nonpersistent resources are cleaned. B. A service group is considered offline if all the resources are freezed. C. A service group is considered offline if all the child resources are offline. D. A service group is considered offline when all the nonpersistent resources offline.

You Chose:




which of the following are true about event triggers?

A. Event triggers occurs on the system, where the event takes place. B. Event triggers occurs on any system in the cluster. C. Event triggers occurs on the system that has the highest load. D. Event triggers occurs on the system, that has priority in the SystemList.

You Chose:




Which of the following are true definition of resource types?

A. Individual resources are instances of a resource type. B. The resource type specifies the attributes needed to define a type. C. All the resources must belong to one service group. D. Resource attributes must have specifice values.

You Chose:

Correct Answer(s): [A] [B] [D]



Which of the following best describes a service group?

A. A service group enables VCS to manage an application service as a unit. B. A service group can fail over to another system as opposed to a individual resource. C. A service group contain all the necessary hardware and software to run an application. D. A service group does not contain any disk group. E. It requires a unique name in a cluster. F. A serivce group have to run on all the nodes in the cluster.

You Chose:

Correct Answer(s): [A] [B] [C] [E]



AppSG1 is the parent service group, its attribute is also set to non-critical. Child service groups are AppSG2 and APPSG3, if AppSG1 fails which of the following is going to happen?


Correct Answer(s): "AppSG2 and AppSG3 will not fail."



A service group AppSG1 depends on AppSG2, AppSG2 depends on Appsg3. Which fo the following the order the service groups will start?

A. AppSg1 will be online first, second AppSG2 and third AppSG3. B. AppSG2 and AppSG3 will start in parallel, when they are online VCS will bring APPSG1 online. C. AppSG2 and AppSG1 will start in parallel, when they are online VCS will bring APPSG3 online. D. AppSg3 will be online first, second AppSG2 and third AppSG1.

You Chose:




The kinds of high availability solutions provided by VxVM and VxfS are?

A. Mirroring. B. Persistent fastResync. C. Diskgroup split and join. D. Storage checkpoint. E. Flashsnap.

You Chose:

Correct Answer(s): [B] [C] [D]



Which of the following is true about symmetric configuration ( 1-to-1)?

A. In a symmetric configuration two servers run two different application. B. If one of the server fails the other takes control of both of the application. C. Problem may arise if both of the applications compete against each other for hardware resources such as memory and I/O etc. D. It increases availability but also increases cost. E. All of the above.

You Chose:

Correct Answer(s): [E]



After a recent configuration change you observe that VCS does not monitor resource fault for a particular resource. What attribute value has changed?


Correct Answer(s): "FaultOnMonitorTimeouts attribute value is set to 0"

VCS Test02

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