250-251 Online Practice Questions and Answers

When preparing to install VCS on the S1 and S2 systems, what should you do to verify software compatibility? (Choose three.)

A. Check the VCS release notes for supported software

B. Run the installvcs recheck S1 S2 command

C. Let the installvcs script check compatibility at install

D. Run the installvcs ompat S1 S2 command

E. Check the Symantec Enterprise Support website

Which system is unsuitable for use in a multinode cluster? System S1: one local drive three network interfaces access to shared storage multiple processors two HBAs System S2: two mirrored local drives

three network interfaces access to shared storage a single processor two HBAs System S3: two mirrored local drives three network interfaces access to shared storage multiple processors one HBA System S4: two mirrored local drives three network interfaces multiple processors two HBAs

A. System S1

B. System S2

C. System S3

D. System S4

A new resource named myIP is added to the service group named GroupA. GroupA is currently online on SystemA.

Which command must be run for the agent to start monitoring the myIP resource?

A. hares -probe myIP -sys SystemA

B. hares -online myIP -sys SystemA

C. hares -modify myIP Enabled 1

D. hares -add IP myIP Enabled 1

What are requirements for configuring I/O Fencing? (Choose two.)

A. Veritas Volume Manager Dynamic Multi-Pathing

B. Shared storage devices that support SCSI-3 Persistent Reservations

C. A minimum of three LLT heartbeat connections

D. A quorum disk on each system in the cluster

E. Veritas Volume Manager 4.0 or later

What is the maximum number of levels a group dependency tree can have?

A. Two

B. Three

C. Four

D. Five

A PostOnline trigger is being tested on a 3-node cluster with systems named SystemA, SystemB, and SystemC. The trigger works on SystemA, but it fails to run on SystemB and SystemC. What is a possible reason for this?

A. The PostOnline trigger is missing from SystemB and SystemC.

B. The hatrigger -sync script must be run on SystemA.

C. The PostOnline attribute is set to false on SystemB and SystemC.

D. The hasys attribute for triggers is Disabled on SystemB and SystemC.

Two Process resources named ResourceA and ResourceB are configured in service group SG1. ResourceA is configured as a child to ResourceB and the Critical attribute of ResourceB is modified from the default value. What is the expected result of shutting down the ResourceB process outside of Veritas Cluster Server?

A. Both ResourceA and ResourceB are faulted.

B. ResourceA is online and ResourceB is restarted.

C. ResourceB is faulted and the service group fails over.

D. ResourceB is faulted and ResourceA is online.

Which three are valid service group types? (Select three.)

A. Cascading

B. Failover

C. Parallel

D. Series

E. Hybrid

When preparing to upgrade Veritas Cluster Server (VCS) on the S1 and S2 systems, which three actions should be taken to verify software compatibility? (Select three.)

A. check the VCS release notes for supported software

B. run the installvcs -precheck S1 S2 command

C. run the installvcs -vercheck S1 S2 command

D. run the installvcs -upgradecheck S1 S2 command

E. check the Symantec Enterprise Support website

VCS1 cluster has three systems: S1, S2, and S3; and six service groups: SGa, SGb, SGc, SGd, SGe, and SGf. The SGa, SGd, and SGf service groups are online on the S1 system. The SGc and SGe service groups are online on the S2 system. The SGb service group is online on the S3 system. Consider the following main.cf definition:

The S3 system panics. What will happen to SGb?

A. It will fault in the cluster.

B. It will go to system S2.

C. It will go to system S3.

D. It will remain offline in the cluster.