EMT Practice Test

1. Question Content...

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Question1: From your core site, your network management system (NMS) has detected that both the WAN router and the switch in one of your remote sites are unreachable.
What should be your first step in identifying the root cause?

Question2: An Orion NPM user wants to be able to make changes to the resources as they view them on the Orion Web Console. What must be done to the user's account?

Question3: What is a concern when monitoring a layer 3 (hierarchical) network that is not a concern when monitoring a layer 2 (flat) network?

Question4: Which trend analysis report would most accurately predict user count growth?

Question5: A network engineer is planning to deploy a network management system (NMS) to monitor a large campus network. What is the most secure way to isolate the NMS network traffic to all monitored routers and switches?

Question6: An executive in your company wants to see reports from the Orion website. However, Sarbanes-Oxley (SOX) rules preclude you from giving them an account for the website.
Which type of access should you use to allow them to see reports that are sent to them?

Question7: Orion NPM is using SNMP to poll a routerand track interface traffic rates. The data are Collected every 5 minutes, and the most recent values collected for a specific interface are 1,000,000 and 2,000,000 octets.
What is the approximate average rate of traffic for this interface?

Question8: On a device in your network, there are many interfaces with similar identifiers (such as FastEthernet0/43 and FastEthernet0/44).
Using only Orion NPM, how should you modify the name of each interface to provide a more descriptive identifier?

Question9: What should you do to track whether a new configuration has alleviated slow network performance?

Question10: The application team at your company has informed you that they have deployed a new desktop application that communicates over a specific set of ports.
What is the first step to determining the impact this application is having on your network?

Question11: Your service level agreement (SLA) dictates that you must be able to notify the appropriate parties when systems are down for over2 minutes and report on data for the last120 days. Your network management system (NMS) has been configured to collect status every 10minutes and summarizes and retains data for
90 days. Which two settings should you change in the NMS to meet the business requirements? (Choose two.)

Question12: Refer to the following configuration snippet of a Cisco IOS router:
snmp-server community private RO 60
snmp-server host 192.168.15.4 private
access-list 60deny 192.168.12.0 255.255.240.0
access-list 60 permit snmp 192.168.15.4
The network management system (NMS) IP address is 192.168.15.4, and it is receiving SNMP traps from the router, but it is not able to poll the router.
Why is the NMS unable to poll the router?

Question13: Company A and company B have merged and are currently planning to combine their network backbones.
All 18 of company A's routers run OSPF, but company B's hardware only supports RIPv2. You need to monitor both networks from a single NMS. Which solution in volves the fewest configuration steps to meet these monitoring requirements?

Question14: Your firewall currently allows port 6343 traffic to your network management system (NMS). What is the port most likely being used for?

Question15: What is the most direct way to measure an application's performance?

Question16: Which two types of data does Orion NetFlow Traffic Analyzer collect from network devices? (Choose two.)

Question17: Which Universal Device Poller (UnDP) transform should you use to reduce the number of decimal places shown in graphs and tables?

Question18: When monitoring the performance of the WAN connection to a remote site, you notice that latency varies from 10 to 1700 milliseconds and that bandwidth utilization is commonly over 90%. Which type of traffic would be the most adversely affected by this situation?

Question19: When monitoring a remote router with a network management system (NMS), which interface provides the most reliable connectivity?

Question20: Companies A and B have merged and are both using the 10.10.x..x /16 networks. Company A uses Orion NPM and would like to monitor two key servers within company B'snetwork. Which solution for this situation involves the fewest configuration steps?

Question21: What is the most efficient way to share a custom report with other Orion NPM users?

Question22: When adding a node to Orion NPM, which user interface allows you to assign a Universal Device Poller (UnDP) as part of the same workflow?

Question23: You have recently implemented a VoIP infrastructure within the company network. You are receiving trouble tickets indicating calls are dropping between their New York and San Francisco offices. Which two IP service level agreement (SLA) measurements should you use to identify the cause of the issue?

Question24: Which port status is caused by users disconnecting their machines from an Ethernet switch?

Question25: While monitoring your network with Orion NPM, you notice that several of the devices in your remote offices periodically go into a "warning" state, but then quickly go back into an "up" state. While the devices are in "warning" state, the users at those sites report normal operations. What is the most likely cause of this occurrence?

Question26: What is the most reliable method of detecting network issues?

Question27: What can you determine from a packet capture that you CANNOT learn from NetFlow data?

Question28: Your network management system (NMS) leverages WMI to pull management data from Windows 2003 Servers. You have not deployed Active Directory, but your servers belong to a common workgroup. What should you do to ensure that your NMS has permission to query these servers?

Question29: Which network management system (NMS) statistic is most likely to indicate a potential network growth issue?

Question30: A network engineer would recommend decreasing polling frequency in order to address which topology- based issue?

Question31: Without regard to reliability, what is the fastest method for detecting network faults?

Question32: Network usage consistently increases to near saturation levels on your Internet connection from 12:00pm to 1:00pm on most days of the week. What should you do?

Question33: Which two management protocols should you use to measure the effectiveness of your QoS implementation? (Choose two.)

Question34: You are investigating sudden slowness throughout the network. The routing tables are changing continuously and routes to many areas of the network are appearing and disappearing with each update.
How should you investigate the cause of this issue?

Question35: What are two supported ways to integrate Orion NPM with other network management solutions? (Choose two.)

Question36: Which traffic type should be allowed through the network in order to leverage HTTPS for network monitoring?

Question37: The IT planning department has asked for a report to help them understand when they need to implement IPv6. Which report would offer them the greatest amount of relevant information?

Question38: Which two reporting requirements should you consider when specifying data roll-up settings for a network management system (NMS)? (Choose two.)

Question39: While growing the network monitoring team, what is the most appropriate way to ensure that the Orion NPM is not over-utilized?

Question40: You are using NetFlow to analyze the traffic on your network. You notice that you have a large amount of traffic originating from various systems in your network destined to a single unrecognized off-net IP address during otherwise off-peak hours. What is the most likely cause?

Question41: Orion NPM is monitoring the performance of DS-3 utilizing standard MIBs in the ifTable. Occasionally, the reported traffic rates for this interface spike well above45 Mbps. What is the most likely cause?

Question42: Your network management system (NMS) is currently indicating the following unrelated issues:
A router in a remote site is down.
An interface on a core switch is down.
An interface on a core switch has disappeared.
A switch in a remote site is down.
Which scenario is most likely to be true?

Question43: What are two possible cause sofa Universal Device Poller (UnDP) OID test failure in Orion NPM? (Choose two.)

Question44: When using a network management system (NMS) to monitor network interfaces on a router, you notice that statistics are wrong after an interface card is physically removed from the device. What has most likely caused this problem?

Question45: You are planning a network management implementation where the network has several low bandwidth WAN links. Which two network management protocols are most likely to cause heavy traffic on WANs and should therefore be considered carefully before deployment? (Choose two.)

Question46: The IT budgeting department has asked you for reports that will help them better plan for increases in monthly recurring costs. Which report should you set up to help the IT udgeting department meet this objective?

Question47: You have just changed the community string within the snmpd. conf on a Linux server.
What needs to occur to monitor this device in Orion?

Question48: You want to monitor a specific device attribute that Orion NPM does not support by default. Which type of content should you download from the Thwack Content Exchange?

Question49: Which network protocols are used by Solar Winds products during network discoveries?

Question50: You notice that several routers are showing an increase in CPU and memory utilization that is starting to concern you. What will likely happen if this trend continues?

Question51: As your Orion NPM deployment grows, you need to add pollers to the system, but due to budgetary constraints, you are unable to do so. What should you do in the short term to allow you to add a few more elements?

Question52: What is the maximum allowable downtime for a node with a"four nines" (99.99%) service level agreement (SLA) for availability, based on a 30-day month?

Question53: A network engineer is planning to deploy a network management system (NMS) to monitor a network.
Which two UDP ports should be enabled in router access control lists and firewalls so the NMS can effectively monitor devices? (Choose two.)

Question54: When you look at utilization graphs for a given interface, they show greater than 100% utilization. Which interface configuration change will correct this issue?

Question55: Which Orion NPM module allows you to create user-experience monitors?

Question56: What does the command "ip ssh version 2"do on a Cisco IOS router?

Question57: Which two metrics should be monitored to determine if a network device is overloaded? (Choose two.)

Question58: During the process of switch port capacity planning and trending, the Orion NPM reports do not provide sufficient information. What is the easiest way to obtain the appropriate report?

Question59: Users are complaining that a network connection is slow. How should SNMP be used to verify performance of the interface?

Question60: The application server team reports that the SQL servers are NOT responding as they Normally do. You check the interfaces on the SQL servers and see that their bandwidth utilization is within normal limits.
What is a likely cause for this SQL application performance disruption?

Question61: Which advantage do SNMP traps and Syslog have over SNMP polling?

Question62: You are monitoring a Windows 2003 Server via SNMP.
Which service must be enabled on the target server to allow the network management service (NMS) to collect CPU load data?

Question63: Which two performance metrics can be affected by proper QoS implementation? (Choose two.)

Question64: While attempting to add a device to Orion for monitoring, you find that Orion can communicate with the device for latency measurements, but is not able to pull data such as CPU load or interface traffic. What should you verify first?

Question65: What should the network engineer do during scheduled down time to prevent Orion NPM from triggering alerts on the affected devices?

Question66: A network engineer notices the Syslog server's database is growing significantly in size due to the large number of devices sending Syslog messages. What should the engineer do to control database growth?

Question67: IT management wants to know how they can lower their total power consumption by consolidating equipment and shutting off unnecessary equipment. Which type of report can you create to help them plan for this?

Question68: Which two sources provide detailed visibility into router interface traffic? (Choose two.)

Question69: When planning the deployment of the database server for Orion NPM, what are two primary considerations? (Choose two.)

Question70: How can the Universal Device Poller (UnDP) be launched?

Question71: Which two actions are required to integrate Engineer's Toolset with the Orion Web Console? (Choose two.)

Question72: How should you visually represent service level agreement (SLA) interface utilization thresholds within the Orion NPM Web Console?

Question73: The IP address of a network management system (NMS) is 10.1.5.2, and the IP address of a new server that it is monitoring on the same VLAN is 10.1.5.129. The NMS cannot reach the server with SNMP or ICMP. What is the most likely cause?

Question74: An Orion NPM web user has requested that a link to an external website be added to the Orion Web Console when looking at devices. However, you want to avoid making global changes to all web users.
Which two steps are required to accomplish this task? (Choose two.)

Question75: How can you use a network management system (NMS) to ensure service level agreement (SLA) parameters are realistic for your environment?

Question76: Over the course of 24 hours, a node was sent 200 ping requests in an effort to monitor its availability.
Of those 200 ping requests there were:
100 responses of less than 10ms
50 responses of greater than 20ms
50 requests with no responses
What was the availability of that node during this period of time?

Question77: Which management protocol should you use to analyze network traffic in and out of a router interface?

Question78: A network engineer is enabling SNMP on their network devices and needs to ensure it will use message integrity. Which version of SNMP should they use?

Question79: What are two indicators that you need to upgrade your network management system (NMS) database?
(Choose two.)

Question80: You have a hub and spoke network with three sites. The application servers all located within the headquarters, which is the hub of the network. Users in spoke site A complain that they cannot get to the company's accounting server. Users in spoke site Bare not affected.
Which two steps should you take in troubleshooting this issue? (Choose two.)

Question81: Which traffic type should be allowed through the network in order to leverage SNMP for network monitoring?

Question82: What is a potential root cause of a slow response time across a WAN circuit?

Question83: You need to know when the aggregate size of SQL log files has crossed a threshold. How can you accomplish this?