Question 1

Click the Exhibit button.  The customer configuration shown in the exhibit is not meeting the throughput needs of a newly installed application. The application's I/O profile consists of 100% 4 kilobyte reads and all servers require a sustained bandwidth of 150 MBps. Which location within the configuration presents a performance bottleneck?

Accepted Answer

A)   Links between hosts and Switch A
B)   Inter-switch link between Switch A and Switch B
C)   Inter-switch link between Switch B and Switch C
D)   Links between Switch C and storage subsystem B

Question 2

You have determined that the root cause of your problem is related to invalid characters being intermittently transmitted on your 4 Gb FC link. What describes this condition?

Accepted Answer

A)   Disparity error character
B)   Link hardware cannot detect k28.3 characters
C)   Link hardware cannot detect k28.5 characters
D)   Character does not fit in allowed 8b/10b codes or special characters D

Question 3

Your company's Service Level Agreement (SLA) requires that no more then one hour's worth of data be lost in case of a system crash. The data must also be restored within 10 hours. Which two RTO/RPO combinations meet the SLA? (Choose two.)

Accepted Answer

A)   RTO 1 hour, RPO 10 hours
B)   RTO 10 hours, RPO 1 hour
C)   RTO 9 hours, RPO 1 hour
D)   RTO 1 hour, RPO 9 hours B,C

Question 4

What is the maximum distance between two 8 Gb FC ports that can be connected using 50 µOM3 grade multimode fiber cable?

Accepted Answer

A)   500 meters
B)   300 meters
C)   250 meters
D)   150 meters

Question 5

You have a new storage array with the following drive types: 1. SAS (6 Gbps) 2. SSD 3. SATA (6 Gbps) 4. FC(4Gbps) You need to decide which drive type to use based on speed, cost, and drive availability for your Tier 1 storage. Which type of drive would you choose?

Accepted Answer

A)   SSD
B)   SAS
C)   SATA
D)   FC

Question 6

A business critical enterprise resource planning (ERP) system uses a central database at a company's primary data center. The company has built an out-of-region disaster recovery data center and intends to implement a standby ERP system with an eight hour RTO and 30 minute RPO. Which architectural approach to implement service continuity for the ERP database will meet the RTO and RPO targets?

Accepted Answer

A)   Implement asynchronous replication of the ERP database, application, and middle tiers to ensure the ERP system is back online with less than 30 minutes of data loss within eight hours of an event.
B)   Implement asynchronous replication of the ERP database, application, and middle tiers to ensure the ERP system is back online with less than eight hours of data loss within 30 minutes of an event.
C)   Perform daily full database backups to tape and overnight ship the backup tape media from one data center to the other to ensure the ERP system is back online with less than eight hours of data loss within 30 minutes of an event.
D)   Implement synchronous database replication and configure application logic to ensure transactions are identical in both data centers as the recovery objectives do not allow for any inflight data loss.

Question 7

You want to visibly verify FC port initialization by reading an analyzer trace. Your objective is to find the frames associated with the initialization protocol to ensure that the FC device is operating correctly during the login process, to be recognized as part of the switched fabric, and appear in a directory of attached FC devices. What must all Fibre Channel devices do to accomplish this?

Accepted Answer

A)   Log in using the Name server.
B)   Log in using the Fabric Controller.
C)   Log in using the Management server.
D)   Log in using the Fabric Login server.

Question 8

You have completed installing your FC SAN. When everything is powered on, numerous devices are not available. You need to verify that the devices appear within the FC fabric by accessing the appropriate FC service that provides a list of devices and their respective function. Which server within the Fibre Channel fabric would be used to do this?

Accepted Answer

A)   Fabric Login server
B)   Name server
C)   Management server
D)   Fabric Controller

Question 9

Which type of a backup changes the archive bit?

Accepted Answer

A)   Full
B)   Differential
C)   Incremental
D)   Block-level

Question 10

Some business critical database applications have been suffering from slowly increasing performance issues with one enterprise SAN-attached storage system. In particular, the applications are showing higher than normal read response times. What should the storage administrator monitor to determine the root cause?

Accepted Answer

A)   Storage utilization
B)   Available free space
C)   Write response time
D)   Cache hit rate

Question 11

You are designing a security solution for a storage array which stores customer credit card information. Data on the storage array must be encrypted and if necessary, you want to be able to revoke access to data on demand. In addition to encryption, which solution would allow you to do this in a secure and automated fashion?

Accepted Answer

A)   Use a manual record deletion solution.
B)   Physically destroy hard drives holding the data
C)   Store data indefinitely.
D)   Use the key management solution.

Question 12

Click the Exhibit button.  Referring to the exhibit, which backup type is represented?

Accepted Answer

A)   Server-free backup
B)   Cloud backup
C)   LAN-free backup
D)   LAN backup

Question 13

You determine that throughput between a server and an FC storage array is lower than expected. Your privileges only allow you to change the configuration of the HBA on the server. Which configuration setting can you change to increase throughput?

Accepted Answer

A)   Queue length
B)   Queue depth
C)   Topology
D)   Class 1 service

Question 14

Which storage related offering serves as intermediaries to multiple cloud storage providers?

Accepted Answer

A)   Cloud storage provider
B)   Cloud storage broker
C)   Cloud storage gateway
D)   Cloud storage shifting

Question 15

You need to add an iSCSI host and storage array to your environment. Your manager wants at least two options that allow all iSCSI initiators to query a central management server to locate the address of all iSCSI resources (e.g., iSCSI initiators, targets, switches, and management stations). Which two protocol methods would be used? (Choose two.)

Accepted Answer

A)   Directory Name Service protocol (DNS) 
B)   Simple Network Management Protocol (SNMP) 
C)   Internet Storage Name Server protocol (iSNS) 
D)   Service Location Protocol (SLP)

Question 16

Your company uses a cryptographic key system to encrypt tapes. After several years of use and thousands of tapes shipped to off-site locations, an IT audit reveals that encryption keys have been inadvertently stored as ciphertext on file shares to which everyone in the company has read permissions. Which response reflects industry best practice?

Accepted Answer

A)   All data encrypted with the keys exposed as ciphertext should be considered safe.
B)   All data encrypted with the keys exposed as ciphertext and not yet sent off-site as an encrypted tape should be re-keyed (decrypted and re-encrypted using a new key) .
C)   All data encrypted with the keys exposed as ciphertext should be re-keyed (decrypted and re-encrypted using a new key) .
D)   All data encrypted with the keys exposed as ciphertext should be considered safe as ciphertext is very difficult to use.

Question 17

The CIO would like to segregate management device IP network traffic from server IP network traffic within the data center to limit potential security threats. What would be used to accomplish this?

Accepted Answer

A)   IPsec
B)   Firewall
C)   VLANs
D)   PKI

Question 18

Click the Exhibit button.  Referring to the exhibit, which RAID level is shown?

Accepted Answer

A)   RAID 4
B)   RAID 5
C)   RAID 0
D)   RAID 6

Question 19

You have been asked to secure your FC switches in the data center. Unsecure protocols have already been disabled but you also need to restrict access to the switches only from specific IP addresses located on the production network. What should be used?

Accepted Answer

A)   Roles
B)   VSAN
C)   ACL
D)   Zone

Question 20

After provisioning a new LUN to a host, new storage cannot be detected on the host. Which three actions should be performed to troubleshoot this problem? (Choose three.)

Accepted Answer

A)   Scan memory on a host.
B)   Scan for new storage on the host,
C)   Verify that LUN mapping is correct.
D)   Verify that zoning on the FC switch is correct.
E)   Verify that the size of memory pages and block size is the same.

Exam 2: Storage Networking Management and Administration