EMT Practice Test

1. Question Content...

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Question1: Click the Exhibit button.

Referring to the exhibit, which three switch indicators will help you to determine the stability of a link?
(Choose three.)

Question2: A company wants to implement a database which requires a storage subsystem with no more than 2 ms write latency and 1 ms read latency.
Which type of drive would you use?

Question3: What is a common protocol used in cloud communications?

Question4: What is the maximum distance between two 8 Gb FC ports that can be connected using 50 µOM3 grade multimode fiber cable?

Question5: Click the Exhibit button.

Referring to the exhibit, what are the two largest risks to a highly available solution? (Choose two.)

Question6: A storage networking device has experienced a failure that has "phone home" and opened a service request for a part that can be a customer replaceable unit (CRU). Your support vendor has dispatched a replacement part using a secure courier service.
According to SNIA Storage Security Best Current Practices, which statement is correct about the repair process?

Question7: The system administrator has received complaints about the decreased performance of two LUNs. When you investigate the port being used to connect to the LUNs, you discover that the port has achieved its maximum throughput. You also discover that there are other ports available on the storage array that are not oversubscribed.
Which specific driver is needed to balance workloads between the host and storage?

Question8: 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.)

Question9: A SAN environment with zones containing a large number of members is experiencing hosts randomly, losing connectivity to SAN-attached storage resources. You have been asked by the customer to address this situation.
Which action should you implement to resolve this issue?

Question10: 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.)

Question11: Which two cloud deployment models address data privacy issues? (Choose two.)

Question12: A data center has an existing three tiered storage solution consisting of enterprise, nearline, and tape.
Each storage tier has available expansion capacity. A new mission-critical application is being developed that will require 4TBs of extremely low latency enterprise storage. The new application will be hosted on clustered servers. Cost is not a factor.
Which solution will meet the requirements?

Question13: You have been asked to implement a remote data replication scheme. The current data center is mostly constructed of FC components and the corporation is highly invested in the technology. The remote data center needs a synchronous replication solution.
What will accomplish this goal?

Question14: What are two concerns when trying to migrate from one cloud storage provider to another one? (Choose two.)

Question15: 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?

Question16: Click the Exhibit button.

What is the protocol stack shown in the exhibit?

Question17: 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?

Question18: You receive a ticket from a database group which is complaining about slow access to storage on only one particular server, as compared to other servers in an active-active cluster. You verify zoning and LUN masking which are fine. On the FC switch, you verify link speed, errors, and throughput for the FC switch ports used by this server. There are no errors on the ports and the link speed is the same as on the switch ports used by other servers in the cluster. You notice that on one port on the FC switch used by this server, that there is no throughput at all.
What is causing the problem?

Question19: The enterprise storage system has the "call home" feature enabled and configured. However, the storage administrator has been told that "call home" is not working.
Which two actions should you perform? (Choose two.)

Question20: 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?

Question21: 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?

Question22: You have replaced an HBA and are trying to add it to an existing zone using the FC switch GUI interface.
You are unable to do so.
Why is this happening?

Question23: 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.)

Question24: What should be considered when implementing remote replication of storage?

Question25: A company has a storage subsystem that supports a variety of replication options. They have purchased an identical array and placed it at a secondary site 4,200 km away and want to keep the two arrays as closely synchronized as possible.
Which solution should be chosen?

Question26: You have received an emergency call from the night shift after they attempted to merge three small SANs in the engineering department. Once completed, all devices in SANs A and B communicate with one another but SAN C could not communicate with either of the other SANs because the fabric has become segmented.
Which statement is correct?

Question27: A number of servers are experiencing slower than expected performance. Analyzing the server, switch, and storage logs do not indicate any issues. You have been asked by the customer to address this issue.
What will improve performance?

Question28: Which type of storage replication is required, at a minimum, for a non-critical application?

Question29: Five out of 4S servers using one particular enterprise storage system are experiencing performance degradation during normal working hours. All 48 servers have similar workload characteristics. There are multiple disk groups that make up your enterprise storage.
What should be monitored to determine the root cause?

Question30: A company has a storage subsystem that supports a variety of replication options. They have purchased an identical array and placed it at a secondary site 50 km away and will provide the shortest RPO.
Which statement is correct?

Question31: A new FC switch has been installed into the data center. You want to disable any unsecure protocols used to access the management ports.
Which two protocols should be disabled? (Choose two.)

Question32: What is the storage protocol used between initiators and targets connected to an FCoE fabric?

Question33: You need to implement a solution for a high transaction database which should have the lowest write latency as possible and still be able to sustain a failure of a single drive in a RAID group.
Which type of RAID you would use?

Question34: A solution architect needs to know how your switches enforce zoning. The enforcement method and identification type being used in your current FC switches must provide the highest level of security.
Which zoning enforcement should you use?

Question35: You have been hired as a consultant to help resolve boot-from-SAN server reboots. The company has hosts, storage devices, and tape drives in the same zones. A large number of RSCNs are generated during the backup window.
What is the cause of the problem?

Question36: Your CTO is concerned over misuse of corporate storage assets because an employee was found to be hosting a music library on one of the SANs storage arrays. You have been instructed to provide some level of device security to the corporate FC SAN. FC has a number of cost-effective (free) industry standard protection mechanisms that provide or restrict user access to SAN resources.
Which two FC provided mechanisms would you implement first? (Choose two.)

Question37: The latest storage utilization report shows that 80% of the current 500 TB of enterprise storage is allocated. The storage administrator must specify the amount of additional storage needed for local copies for approximately half of the active storage.
How much additional storage should the administrator request?

Question38: Click the Exhibit button.

The physical interface shown in the exhibit is taken from which transport protocol?

Question39: A line of business (LOB) executive informs you that a new application requires 99.999% (five 9s) of up- time from both planned and unplanned outages before a service level objective (SLO) will be breached.
What is the amount of permissible downtown per week?

Question40: You have been hired to consult with storage administrators that are working with zoning and naming convention consistency issues. There are numerous types of zoning methods available using standards that also include aliasing. You want to use a method that guarantees unique global port identification.
What accomplishes this goal?

Question41: The storage administrator is required to create five zones within the FC SAN.
Which Fibre Channel server would be used to do this?

Question42: 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?

Question43: A security audit reveals deficiencies in your company's FC zoning practices. Your manager asks you to make a recommendation to implement the most secure FC zoning possible. Your company is using switches from a single vendor.
What do you recommend?

Question44: Click the Exhibit button.

Which protocol is represented in the exhibit?

Question45: You need to merge two existing FC fabrics. After connecting the ISL to join the fabrics, numerous switches segment.
What should be done to prevent the segmentation?

Question46: You have a server which is booting from a SAN. After adding new SAN storage to a host, the host will not boot from the SAN.
What will resolve this problem?

Question47: Your organization operates in a regulated environment and contracts with a service provider to manage tape backup media for highly confidential, secure data.
Using SNIA Storage Security Best Practices, which two statements are correct? (Choose two.)

Question48: Only one of many servers has poor performance within an enterprise SAN. The server administrator has found high disk timeout values without a decrease in throughput. The server has multiple paths to the storage system but only one path is active at this time.
What should the storage administrator monitor to assist with troubleshooting?

Question49: 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?

Question50: What describes the FCoE transport protocol?

Question51: 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?

Question52: You are performing an FC switch replacement and you want to ensure that no hosts will be disconnected from its storage.
Which multipathing software feature, on a server, must be supported and configured for a server to continue to have access to the fabric attached storage in this scenario?

Question53: 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?

Question54: 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?

Question55: A server with a dual-ported HBA loses access to storage during switch SFP replacement. You want to prevent this from happening in the future.
Which action should you perform?

Question56: A server has lost half of its paths to its LUN on a storage system. The help desk determines that one of the two HBAs was just replaced. The SAN administrator has modified the zoning with the new WWPN of the replacement HBA port, but the missing paths have still not recovered.
Which action would you perform next?

Question57: A small business with an IP SAN and NAS storage is experiencing slow response times on the servers which have NAS storage resources.
Which two should the storage administrator monitor to determine the root cause? (Choose two.)

Question58: Your company performs a full backup of a database server every Saturday night and incremental nightly backups for each day of the week thereafter. It takes 14 hours to perform a restore from a full backup and averages two hours for each incremental restore. The database server fails on Wednesday at 10:10 AM and needs to be fully restored.
What it is the RTO?

Question59: A new server needs to start from LUN 1 instead of LUN 0.
Which HBA setting must be configured?

Question60: A customer has upgraded all switches in their redundant fabrics during a single maintenance window.
Shortly after the upgrades are completed on the core switches, all servers lose access to all SAN attached storage.
What would have prevented this scenario?

Question61: Which two high availability elements can be achieved by remote storage replication? (Choose two.)

Question62: Which storage related offering serves as intermediaries to multiple cloud storage providers?

Question63: A colleague asks you if the added cost of using encrypting tape drives and sending the tapes off-site is warranted, since your IT organization already has large security investments such as firewalls and database table encryption.
What is your response?

Question64: You have a file system which allows data and metadata segregation.
How should you accelerate read I/O on the file system while keeping costs low?

Question65: 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?

Question66: 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?

Question67: Only one of many servers is suffering poor performance with a nearline (Tier 2) storage system. The server administrator has not discovered any obvious root cause. The server has multiple paths to the storage system but only one path is active. Routine monitoring by the storage administrator has determined that a single storage port has received a high number of bad frames.
What should the SAN administrator do?

Question68: Which standard would be used to increase interoperability between solutions of different cloud storage providers?

Question69: You are installing an OLTP application on a new server. The I/O profile of the application consists of 100% random read operations of 8 kilobyte transfers. You need to determine which HBA to use in your application to accommodate 50,000 IOPS.
What is the minimum FC link speed that will satisfy the application's requirements?

Question70: Click the Exhibit button.

The customer application requires a 50/50 R/W ratio with 100 MBps throughput requirements for each direction of the link. The application servers will simultaneously sustain these data rates across all LUNs in parallel.
Referring to the exhibit, where will the oversubscribed link(s) occur?

Question71: 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?

Question72: You are asked to secure 2.5 PB of data so that in case of a failed drive replacement, data on the drives is not usable.
Which data protection method should be used in this case?

Question73: You are using asynchronous storage replication to protect your critical database server. There are no replication agents installed on the database server. After a disaster, you are unable to bring up the database at the DR site.
What is the cause?

Question74: You are asked to secure management access to your SAN devices.
Which three actions should you perform? (Choose three.)

Question75: You want to prevent unauthorized switches from connecting to your company's fabrics.
What should you do?

Question76: Two different departments have funded the purchase of a new director-class switch. Each department wants to have control of the fabric. Two logical switches will need to be created, each with its own set of administrators.
Which feature must be enabled on the switch to do this?

Question77: You have two new FC switches from the same vendor and want to connect them together. You have ensured that the domain IDs are unique, switch names are unique, and the firmware levels are identical.
When you connect the ISL cables from one switch to the other, the fabric does not merge.
What should be confirmed?

Question78: A storage subsystems Web browser management interface reports that the subsystem has become degraded and remotely opens a service request with the vendor. Your vendors level three storage support engineer wants to remotely access your storage subsystem for troubleshooting.
What is a SNIA Storage Security Best Current Practices solution?

Question79: A company needs to replicate a database from its main office to a disaster recovery site 3,000 km away with a five minute recovery point objective.
Which type of replication should the company use to replicate the data?

Question80: Click the Exhibit button.

Your company has purchased a new storage array that has dual management access network ports. You need to connect the array and provide maximum redundancy without affecting production traffic.
Referring to the exhibit, where should the ports be attached?

Question81: Click the Exhibit button.

Referring to the exhibit, which RAID level is shown?

Question82: Click the Exhibit button.

Which RAID level is shown in the exhibit?

Question83: Click the Exhibit button.

Which protocol is represented by the frame shown in the exhibit?

Question84: Your company asks you to increase restore speeds.
What should you do?

Question85: Which protocol commonly uses CNA devices?

Question86: You have been asked to create a LUN on a storage array that is comprised of 7,200 rpm SATA drives.
Each drive is rated at 100 IOPS. The LUN should provide a minimum of 1100 IOPS and withstand multiple drive failures using the least number of drives.
How many drives and which RAID level should you use to create this LUN?

Question87: Click the Exhibit button.

Referring to the exhibit, which backup type is represented?

Question88: Click the Exhibit button.

Referring to the configuration shown in the exhibit, when will the servers oversubscribe the connections between the storage array and the switch?

Question89: You are provisioning storage to a host with multipathing software installed and correctly configured. You discover that there are four paths to LUNs instead of the expected eight paths.
Why does this happen?

Question90: After the storage administrator merged two multi-vendor FC SANs, an error indicates that two ports have become isolated causing a segmentation to exist in the fabric.
Which two events would cause this? (Choose two.)

Question91: You have twelve 500 GB drives and you need to provide two LUNs using RAID 6 protection for a customer.
What will be the size of each LUN?

Question92: You are asked to set up a server to boot from a SAN.
Which setting on the HBA needs to be configured?

Question93: Which process allows for the reduction of disk space consumption on a shared storage of OS images used by 200 users?

Question94: Your company does a full backup on Sunday night and incremental backups from Monday through Saturday at midnight. The full backup requires two tapes and each incremental backup requires one tape.
There is a system failure Wednesday morning.
How many tapes will be used to restore to the most current backup?

Question95: Which type of a backup changes the archive bit?

Question96: When troubleshooting an issue on a host, you discover that the existing file system partition has been corrupted after you provisioned a LUN to another host connected to the same FC fabric.
What is the cause of this problem?