EMT Practice Test

1. Question Content...

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Question1: Application Streamlining supports which of the following protocols in the Steelhead appliance?

Question2: If the Steelhead Mobile client optimization is being blocked by the client firewall, you must set which port on the client firewall to allow incoming traffic?

Question3: Which Datastore Segment Replacement Policy can be selected to overwrite data that has resided in the segstore for the longest duration of time?

Question4: With a server-side Interceptor deployment, once a TCP handshake has been completed between the server-side SteelHead and the server, how will data packets sent from the server get forwarded to the server-side SteelHead?

Question5: Your company now considers WAN optimization crucial to the function of the business. Which of the following Riverbed Steelhead appliance features will provide hardware redundancy in case of failure?
(Select 3)

Question6: In a network where QoS classification and enforcement is being performed by the customer's carrier- managed WAN routers and QoS traffic classification is based on IP address and/or destination TCP port, what WAN visibility mode should be employed for TCP sessions optimized by the Steelhead appliances to maintain interoperability with the existing QoS strategy?

Question7: Which of the following are considered to be root causes of poor application performance over wide area networks? (Select 3)

Question8: A Steelhead appliance can continue to optimize traffic in which of the following status states? (Select 2)

Question9: A package is available to download from the SteelCentral Controller for SteelHead Mobile for:

Question10: In a Steelhead Mobile deployment, what are Endpoint policies? (Select 2)

Question11: How many in-path rules will a LAN-initiated single connection execute on a Steelhead appliance?

Question12: The Central Management Console (CMC) provides the following:

Question13: When configuring the Steelhead Mobile client package, the amount of disk space allocated to the datastore for a Steelhead Mobile client is configured in what part of the configuration?

Question14: Which of the following parameters can be used to classify traffic into QoS classes? (Select 3)

Question15: What is the smallest and largest datastore size one can allocate for a Steelhead Mobile client?

Question16: Steelhead appliances models vary by supported bandwidth. This bandwidth refers to:

Question17: On the Interceptor appliance what is the size of the datastore?

Question18: What is the command to return a Steelhead appliance back to factory defaults?

Question19: All of the following are types of peering rules, except:

Question20: What are the three WAN visibility modes supported in the Steelhead appliances?

Question21: During packet analysis of TCP flows from a SteelHead using path selection, you consistently notice that the first few packets go over one path, and subsequent packets go via another. What is the cause of this?

Question22: How can Steelhead Mobile client software be distributed directly from the Steelhead Mobile Controller (SMC)? (Select 2)

Question23: The CIFS latency optimization feature provides which performance benefits? (Choose two.)

Question24: To ensure peak operational performance, it is recommended that the Steelhead appliance be rebooted:

Question25: A service provider would like to implement multi-tenanting on a SteelCentral Controller for SteelHead (SCC) such that the customers would be able to run their own reports. Which of the following are true?

Question26: What is the maximum datastore size?

Question27: To run RSP on a Steelhead, you need to have an RSP license and a minimum of how much memory added to the unit?

Question28: When Adaptive Compression is used on a Steelhead appliance, what determines the switch to dynamically disable Lempel-Ziv compression if compression is deemed ineffective?

Question29: What feature is not available for optimized connections when using Port or Full transparency over the WAN?

Question30: Login to the CMC appliance can be authenticated against what type servers? (Select 3)

Question31: The SteelHead's HTTP optimization blade supports a number of other configurable features as well.
Examples include: (choose two)

Question32: How many slots are available in RSP?

Question33: Which of the following interfaces can be configured using the configuration wizard?

Question34: You have a SteelHead with paths over a public and a private network. You want to encrypt the traffic which goes via the public network. Which are the relevant SteelHead configuration requirements? (Choose two.)

Question35: An employee who has just installed Steelhead Mobile onto her workstation notices that she never gets any reduction. It always says 0%.
The status of the Mobile client appears to be:
Optimization State: Healthy

Controller Status: Connected: Branch

The reason she is seeing 0% reduction statistics is:

Question36: A Steelhead Mobile Controller (SMC) can provide licenses for up to how many concurrent Steelhead Mobile clients?

Question37: When optimizing certain application protocols such as business continuity /data replication (BCDR) and Virtual Desktop Infrastructure (VDI), Riverbed often recommends the careful use of which network congestion algorithm?

Question38: Which TCP option (probe) is used on the Steelhead Mobile client for auto-discovery?

Question39: Which feature is highly recommended when deploying Steelhead Mobile?

Question40: Which trunking protocols are supported by the Steelhead appliance?

Question41: What transaction prediction modules are supported on the Steelhead Mobile client? (Select 3)

Question42: The default action performed by the Steelhead appliance when it receives a packet with an existing DSCP value 46 is to:

Question43: With RiOS v9.0 and later, what does a 'topology' consist of? (Choose three.)

Question44: Which SteelHead domain authentication features can be used to optimize signed SMB traffic or encrypted MAPI traffic? (Choose two.)?

Question45: When implementing PBR, a Steelhead appliance is connected to the router using which Steelhead appliance interface?

Question46: What files can be gathered from the SteelHead which would be useful for troubleshooting problems with QoS configuration? (Choose two.)

Question47: Which of the following is a valid type of in-path rule on the Steelhead appliance? (Select 3)

Question48: Data Streamlining is used by the Steelhead appliances and Steelhead Mobile for what?

Question49: In order to achieve SteelHead SaaS optimization two things must happen. First acquire and install a subscription license to enable the feature, and then SteelHead SaaS must be configured. Which statement correctly describes the configuration step?

Question50: When the SteelHead SaaS optimization service is correctly configured, how does the SteelHead identify the SaaS traffic that needs to be optimized?

Question51: Central Management Console (CMC) provides which benefits? (Select 2)

Question52: What is the default QoS classification mode?

Question53: Which endpoint operations can you perform from the SteelCentral Controller for SteelHead Mobile web interface? (Choose four.)

Question54: What Steelhead appliance interface must be connected in order to peer with the Interceptor appliance for optimization?

Question55: A server side SteelHead deployment is to be out-of-path (SSOOP). Which of the below are limitations compared to physical or virtual in-path? (Choose two.)

Question56: What is the default action of a Steelhead appliance when it hits the bandwidth limit?

Question57: Steelhead Mobile enables you to: (Select 3)

Question58: A user downloads a Microsoft PowerPoint presentation from a server across the network. The file has been seen before by both Steelhead appliances that are optimizing the link and so the user experiences warm performance. A second user at the same office has a local copy and adds some pictures then uploads the very same file. This file transfer can be considered:

Question59: Assume the SSL server is configured for the default SSL port. Which port has to be specified in the in-path rules of the client-side Steelhead appliance?

Question60: Assuming the Steelhead appliance has a 250 GB datastore capacity, by enabling RSP on a supported Steelhead appliance which of the following would be true:

Question61: How does the SteelHead monitor path availability in Path Selection?

Question62: What is the remote port used for on a Riverbed hardware appliance?

Question63: What are the major components required to allow optimization via the Steelhead Mobile client? (Select 3)

Question64: In what file system can the Steelhead Mobile client software be installed?

Question65: How many in-path rules will a WAN-initiated single connection execute on a Steelhead appliance?

Question66: A major difference between MX-TCP and HighSpeed TCP is:

Question67: What does the Transport Streamlining module in RiOS do? (Select 2)

Question68: When deploying a Steelhead appliance server-side out-of-path in the data center, which configuration is necessary on the client-side Steelhead appliance in order for the design to function correctly?

Question69: What are basic components of the Interceptor appliance? (Select 3)

Question70: What are the default port labels on the Steelhead appliance? (Select 3)

Question71: When enabling the IPSec feature on the Steelhead appliances:

Question72: When configuring CIFS prepopulation, which of the following parameters must be configured for prepopulation to function? (Select 3)

Question73: What are some key reasons for purchasing an Interceptor appliance? (Select 3)

Question74: What happens to "new" data that a Steelhead appliance has not seen before? (Select 2)

Question75: What licenses are installed with a Steelhead appliance when purchased? (Select 3)

Question76: A customer has purchased 30 Steelhead appliances. Which product(s) can be used to ease the deployment of these Steelhead appliances?

Question77: You need to purchase a Steelhead appliance model for one of your engineering branch offices. Below are the requirements that need to be met:
200 users with 15 TCP connections each

15 Mbps WAN link

Will be sending across the WAN about 20 GB of new data daily

A Windows 2003 Server and video streaming Riverbed Services Platform (RSP) will be used

Which of the following models will be the most appropriate for this branch office?

Question78: Which of the possible Simplified Routing modes should be used when installing the SteelHead on an
802.1Q trunk? (Choose three.)

Question79: What platform of VMware enables you to run the Central Management Console as a virtual appliance?
(Select 2)

Question80: When optimizing MAPI, it's important that ALL sessions between client and server are optimized by the same SteelHeads. If a SteelHead goes into admission control that could mean some sessions are passed through. What can you configure to protect against this?

Question81: When deploying a SteelHead on an 802.1Q trunk, which one of the following statements is true?

Question82: Rules that dictate the types of TCP traffic that a Steelhead Mobile client should optimize are configured in the:

Question83: Which SteelHead feature would resolve the packet ricochet seen in the diagram below?

Question84: What does enabling "Out-of-Path Support" do on the General Service Settings page?

Question85: What are two methods that can be configured to provide location awareness for a Steelhead Mobile client?
(Select 2)

Question86: Which of the following platforms provide support for HighSpeed TCP?

Question87: Which of the following is a benefit of the Riverbed Services Platform (RSP) on the Steelhead appliance?
(Select 2)

Question88: Which xx50 Steelhead appliance models provide both inpath0_0 and inpath0_1 interfaces without adding additional network cards? (Select 3)

Question89: Looking at the figure, could we say if the connection is optimized by SH SaaS?

Question90: Which ethernet network cable type can you use when connecting your SteelHead appliance to a switch when all ports are hard coded to 100/FULL?

Question91: Which of the following management or monitoring methods are supported by the Steelhead appliance?
(Select 4)

Question92: Which version of WCCP supports redirection of all TCP traffic?

Question93: What is required for CIFS prepopulation to succeed?

Question94: Which of the following database applications can the Steelhead appliance optimize with the Application Streamlining module?

Question95: What are the primary requirements that must be considered when sizing a Steelhead appliance for a customer? (Select 4)

Question96: Which of the following correctly describe the two topology deployment modes of SteelHead SaaS? (Select two.)

Question97: Which SteelHead optimization feature provides layer 7 acceleration?

Question98: What default DNS entry is required for CMC touchless auto-configuration?

Question99: Clients connect to which interface on the SteelCentral Controller for SteelHead Mobile?

Question100: Overcoming bandwidth limitations is a function of:

Question101: When deploying a Steelhead appliance in a physical in-path configuration, the cable between the Steelhead and the router should be:

Question102: Which of the following factors are important to consider when sizing a Steelhead appliance? (Select 3)

Question103: You have noticed that your connections through the Steelhead appliance are slower than without it. All TCP connections show as optimized in the web interface. You are also experiencing intermittent connectivity and periodic file errors. Of the following, what could be the most likely cause of this slowdown?

Question104: Refer to the exhibit.

Which of the following correctly describes the combination of cable types used in a fail-to-wire scenario for the interconnected devices shown in the exhibit? Assume Auto-MDIX is not enabled on any device.

Question105: What is the command to clear all statistics on a Steelhead appliance?

Question106: Which SteelHead Mobile feature can dynamically disable client optimization when in an office equipped with a local SteelHead?

Question107: On a remote Steelhead appliance, what is the easiest way to tell what model of Steelhead appliance you are working with using the Management Console (GUI)?

Question108: When deploying a Steelhead appliance server-side out-of-path in the data center, what will be the source IP address seen by the destination server in the data center?

Question109: When examining SMB connections which are SteelHead optimized, you notice that for each IP client and server pair, there are often two connections created - one on destination port 139 and one on destination port 445. What is the reason for this?

Question110: Which two parameters are required when configuring a fixed-target rule?

Question111: What is the default WAN visibility mode?

Question112: To help secure the server private key on the server-side Steelhead appliance, which of the following features can be used?

Question113: What is the role of the SteelCentral Controller for SteelHead Mobile?

Question114: In a single in-path design, in order for CIFS prepopulation to properly function at a branch office, the Primary interface of the Steelhead appliance must be:

Question115: The SteelHead can optimize which transport protocols? (Choose two.)

Question116: The Steelhead Mobile client is supported on the following client platforms: (Select 3)

Question117: Which of the following best describes Link State Propagation (LSP)?

Question118: If an administrator wanted to compare the performance of Microsoft file sharing across the WAN for two clients with and without Riverbed optimization, what strategy could you use to enable this testing?

Question119: Which of the following deployment methods can NOT be used simultaneously on a single Steelhead appliance?

Question120: What is the datastore size?

Question121: How many WAN visibility modes are available?

Question122: When optimizing SSL, trust is established between which hosts? (Select three.)

Question123: Which of the following are supported features on the Interceptor appliance running version 2.0.x? (Select
3)

Question124: Automatic registration of devices with the SteelCentral Controller for SteelHead (SCC) requires which one of the following?

Question125: Data Streamlining brings what benefits?

Question126: An employee who has just installed Steelhead Mobile onto her workstation notices that she never gets any reduction. It always says 0%.
The status of the mobile client appears to Be:
Optimization State: Firewalled

Controller Status: Connected

The reason she is seeing 0% reduction statistics is:

Question127: The interface used by the Steelhead appliance for system management and datastore synchronization is:

Question128: A Riverbed support case requires system dumps and\or TCP dumps to be generated and uploaded to the Riverbed support site. What is required in order to do this from the SteelCentral Controller for SteelHead (SCC)?

Question129: A SteelHead is joined to a Windows domain using the Windows Active Directory administrator password.
In order to use transparent authentication to optimize signed SMB2 traffic, which of the following is true?

Question130: Which of the following MAPI application-specific optimizations can be performed by Steelhead appliances?

Question131: Name the areas where the Steelhead appliance will be beneficial. (Select 3)

Question132: Simplified Routing is recommended when:

Question133: What is the CLI command for starting the Configuration Wizard?

Question134: When determining which model SteelHead is appropriate for deploying into a site, which of the following are important? (Choose three.)

Question135: When upgrading a Steelhead appliance from the Management Console, the new image is always installed on the:

Question136: What is the total number of optimized concurrent TCP connections supported on an Interceptor appliance?

Question137: The key difference between the "Degraded" status and the "Critical" status is:

Question138: What is the default action of a Steelhead appliance when it enters admission control?

Question139: Users at an optimized branch office log off and close down Microsoft Outlook when they leave for the day.
When they return in the morning the Steelhead appliance's datastore is already warm for emails they received throughout the night. What is this feature called?

Question140: A Steelhead appliance can be configured to automatically send an email to a preconfigured email address in the event of a failure. Where is this done? (Select 3)

Question141: By default, when a SteelHead fails, either by power loss or optimization service failure, the appliance:

Question142: When performing a logical in-path deployment, which interface needs to be physically cabled for optimization to occur?

Question143: What are valid datastore encryption types? (Select 4)

Question144: The benefits provided by the CIFS application-level optimizations are:

Question145: Which Simplified Routing mode is required when a Virtual SteelHead is deployed in a virtual in-path configuration?

Question146: What combinations of WAN visibility modes can simultaneously be configured on Steelhead appliances?

Question147: Which of the following QoS scheduling algorithms does Steelhead appliance use when QoS is enabled?

Question148: What does "Branch managed" mean when adding a SteelHead to the SteelCentral Controller for SteelHead (SCC) inventory?

Question149: Which statement is true regarding licensing of SteelHead SaaS?

Question150: A SteelHead is joined to a Windows Active Directory domain using the administrator password. In order to optimize SMB2 traffic, which of the following is true?

Question151: Using an Interceptor appliance is an alternative to what network designs? (Select 2)

Question152: A user uploads a Word document to a Sharepoint server via HTTP, optimized by two SteelHeads. Another user at the same location as the first downloads the same Word document via CIFS. What speed should the second user expect?

Question153: What basic configuration steps should be done on the SteelHead before attempting to join it to a Windows Domain? (Choose two.)

Question154: The Admission Control alarm is triggered when a Steelhead appliance encounters:

Question155: When implementing datastore synchronization, a master and backup Steelhead appliance:
1. Must be within 10 ms of latency between the synchronizing Steelhead appliances
2. Must have the same datastore size
3. Must be running the same major version RiOS software
4. Must have the same hostname

Question156: Which of the following local accounts are available by default on a Steelhead appliance? (Select 2)

Question157: When implementing WCCP, Riverbed recommends using which service groups?

Question158: What does the Data Streamlining module in RiOS do?

Question159: When deploying a Steelhead appliance in a server-side out-of-path deployment, which of the following is true?

Question160: What benefit does the Interceptor appliance provide? (Select 3)

Question161: The Central Management Console appliance can scale to support a range of Steelhead appliances and is available in the following physical form factor(s):

Question162: What is the default data store size for a SteelHead Mobile Client?

Question163: A customer is marking QoS between the Steelhead appliances based on the application (port number) being used. What is the recommended WAN visibility mode?

Question164: Steelhead appliance models vary according to which of the following attributes?
1. Number of concurrent TCP connections that can be optimized
2. Amount of disk storage available for Scalable Data Referencing
3. Level of encryption supported
4. Maximum possible in-path interfaces

Question165: You have recently upgraded from a CX 555 to a CX 1555 for additional capacity. How would you migrate the data store from the old to the new model?

Question166: Which policy types make up the configuration for a SteelHead Mobile client?

Question167: What action should be taken when the Steelhead appliance datastore is full?

Question168: A Steelhead appliance can synchronize its datastore with a maximum of how many other Steelhead appliances?

Question169: Which of the following are configurable attributes of an Interceptor appliance? (Select 3)

Question170: You wish to pass-through traffic to a particular server from a large number of remote sites, all optimized by SteelHeads. You know that it can be done on a single SteelHead. Which type of rule would you configure?

Question171: When performing datastore synchronization between two Steelhead appliances, segments of data are exchanged between them. Which interfaces can be used for datastore synchronization? (Select 2)

Question172: Which of the following expansion cards are available for the Steelhead appliance xx50 series? (Select 2)

Question173: Which forms of administrative authentication are supported by the Steelhead appliances?:(Select 3)

Question174: Assuming the Steelhead appliance has a 250 GB datastore capacity, by enabling PFS on a supported Steelhead appliance which of the following would be true:

Question175: Steelhead Mobile licensing is based on what model?

Question176: What are valid WAN visibility modes of the Steelhead appliance? (Select 3)

Question177: What does the RiOS acronym stand for?

Question178: A customer is marking QoS between the Steelhead appliances based on the application (port number) and IP addresses being used. What is the recommended WAN visibility mode?

Question179: What effect will enable SDR-M (Scalable Data Referencing - Memory) have on a Steelhead appliance in production?

Question180: Application Streamlining in a Steelhead appliance or Steelhead Mobile does what?

Question181: A user uploads a Microsoft Word document to a server across the network using the file transfer protocol (FTP). The file has been seen before by the Steelhead appliances that are optimizing the link and so the user experiences warm performance. A second user at the same location downloads the file from the same server using the CIFS protocol. This file transfer can be considered:

Question182: True or False? SteelHead SaaS can provide Netflow and SteelFlow to other Riverbed products to monitor and troubleshoot SaaS performance issues.

Question183: Once a Steelhead Mobile client connects to Steelhead Mobile Controller (SMC), it retrieves what from the SMC? (Select 2)

Question184: It is possible to backup your RSP slots usinG. (Select 2)

Question185: Datastore synchronization can be used in which of the following deployments?

Question186: Which authentication methods are available to secure the SteelHead appliance? (Choose three.)

Question187: With branch warming enabled, new data transferred between the Steelhead Mobile client and a server will be populated into: (Select 3)

Question188: The auto-discovery probe uses which TCP option number (in decimal)? (Hint: Use the calculator)

Question189: How many separate TCP sessions exist for each optimized connection?

Question190: What optimization can be performed on HTTPS traffic when SSL optimization is enabled?

Question191: Manually moving an entry from the SSL grey list to the white list on a SteelHead enables trust between which hosts?

Question192: Can you manage your Virtual Steelhead appliance from a Central Management Console?

Question193: Which of the following Steelhead appliance models support field replaceable disk drives? (Select 3)

Question194: In which menu of the Steelhead Management Console do you configure WAN visibility modes?

Question195: When would you use the SCPS optimization feature?

Question196: When MAPI prepopulation is enabled, what is default TCP keep-alive time used to prepopulate the Steelhead appliance with emails and attachments?

Question197: The Steelhead Mobile client software builds an optimized connection to what end device?

Question198: How many peers can a SteelHead synchronization its data store with?

Question199: When implementing WCCP, a Steelhead appliance is connected using which Steelhead appliance interface for optimization?

Question200: What are the benefits of Application Streamlining?

Question201: When optimizing protocols such as signed SMB or encrypted MAPI, which of the following is true?

Question202: The SteelHead Admission Control feature activates when: (choose two)

Question203: Which of the following Steelhead appliance models support redundant power supplies? (Select 2)

Question204: Which of the following is NOT a valid in-path rule on the Interceptor appliance?

Question205: Some applications are designed to open many TCP connections to accomplish required data transfers.
Many of these connections are short-lived, yet each requires significant overhead to initiate communications. What RiOS feature was designed to reduce the overhead of these short-lived TCP connections?

Question206: To run RSP which Steelhead appliance ports must to be connected to your network? (Select 2)

Question207: After deployment of Steelhead appliances, a certain backup application shows poor bandwidth reduction.
After disabling the backup application's native compression algorithm, the bandwidth reduction statistics on the Steelhead appliances suddenly improve significantly. Which of the following are likely causes for the increased bandwidth reduction?

Question208: In an in-path deployment, when a Steelhead appliance fails to wire, the Steelhead appliance acts as a:

Question209: Which of the following is not a policy type available on the CMC appliance?

Question210: Which report would you use to monitor disk utilization in the SteelHead management console user interface?

Question211: What is the packaging distribution format for the Virtual Steelhead appliance?

Question212: Which of the following status states of the Steelhead appliance are valid? (Select 3)

Question213: Which of the following reflects the primary benefit of configuring CIFS prepopulation on a Steelhead appliance?

Question214: SteelCentral Controller for SteelHead (SCC) can be configured with the topology of the network, to include subnets and paths. This topology information is used for which SteelHead functions? (Choose three.)

Question215: On the SteelCentral Controller for SteelHead Mobile, which report would you use to examine data reduction over time?

Question216: Data store synchronization takes place over which interface or interfaces?

Question217: Which statement about virtual SteelHead is NOT true?

Question218: Overcoming TCP chattiness and latency are functions of:

Question219: The SteelHead makes a connection to its peers using the Out of Band splice. What does the OOB splice do?

Question220: How many TCP connections can an Interceptor appliance set up per second?

Question221: How can I obtain Virtual Steelhead appliance license keys?

Question222: Your SteelCentral Controller for SteelHead Mobile is running at user license capacity with location awareness configured. No more client licenses can be used. Another client comes online requesting a license and there is no branch SteelHead available. What will happen?