Chapter 15 network pro Practice exam – Flashcards
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You have recently experienced a security incident with one of your servers. After some research, you determine that hotfix #568994 that has recently been released would have protected the server. Which of the ff. recommendations should you follow when applying the hotfix?
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Test the hotfix, then apply it to all servers.
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Which of the ff. is the best recommendation for applying hotfixes to your servers?
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Apply only the hotfixes that apply to software running on your systems
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Which of the following terms describes a Windows operating system patch that corrects a specific problem and is release on a short-term, periodic basis (typically monthly)?
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Hotfix
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You provide IT support under contract for a dentists office. The office has a limited number of wireless clients, so a simple wireless router is used to profide WIFI access. On your latest visit, you check the manufactures website and discover that a update has been released by the wireless router manufacture. You decide to download and install the update. Click the option you should use in the wireless routers configuration interface to prepare the device for update.
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Backup Configuration
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Even if you perform regular backups, what must be done to ensure that you are protected against data loss?
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Regularly test restoration procedures
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Why should backup media be stored offsite?
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To preven the same disaster from affecting both the network and the backup media
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Which of the following is true for a system image backup?
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Is saved as a .vhd file
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Which media types can backup files be saved to? select two
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Network Attached Storage (NAS) External hard drives
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You just developed a new Cisco router that connects several network segments in your organization. The router is physically located in the server route that requires an ID card to gain access. You backed up the router configuration to a remote location in an encrypted file. You access the router configuration interface from your notebook computer using Telnet client with a username admin and a password of admin. You used the MDS hashing algorithm to protect the password. What should you do to increase the security of this device? select two
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Change the default administrative username and password Use an SSH client to access the router configuration
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Which of the following protocols or services would you associate with Windows Remote Desktop Services network traffic?
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RDP
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You manage a server at work that has just been configured with a new application. Consequently, the server has crashed several times during the last week. you think you have the problem resolved, but you would like to be able to manage the server remotely in case there is a problem Which of the following protocols would you use for remote management? select two
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VNC ICA
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You are in the middle of a big project at work. All of your work files are on a server at the office. You want to be able to access the server desktop, open and edit files, save the files on the server, and print files to a printer connected to a computer at home. Which protocol should you use?
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RDP
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Match each bring your own device (BOYD) security concern on the right with a possible remedy on the left. Each remedy may be used once, more than once, not at all.
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Users take pictures of proprietary processes and procedures- Specify where and when mobile devices can be possessed in your acceptable use policy. Devices with a data plan can e-mail stole data- Specify where and when mobile devices can be possessed in your acceptable use policy Devices have no PIN or password configured- Enroll devices in a mobile device management system Anti-malware software is not installed- Implement a network access control (NAC) solution A device containing sensitive data may be lost- Enroll devices in a mobile device management system
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Your organization recently purchased 30 tablet devices for your traveling sales force. These devices have Windows RT preinstalled on them. To increase security of these devices, you want to apply a default set of security-related configuration settings. What is the best approach to take to accomplish this? select two
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Configure and apply security policy settings in a mobile device management system Enroll the devices in a mobile device management system
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Your organization recently purchased 18 IPad tablets for use by the organizations management team. The devices have iOS pre-installed on them. To increase security of these devices, you want to apply a default set of security-related configuration settings. What is the best approach to take to accomplish this? select two
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Enroll the devices in a mobile device management system Configure and apply security policy settings in a mobile device management system
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Your organizations security policy specifies that any mobile device (regardless of ownership) that connects to your internal network must have remote with enabled. If the device is lost or stolen, then it must be wiped to remove any sensitive data from it. Your organization recently purchased several Windows RT tablets. Which should you do?
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Sign up for a Microsoft Intune account to manage the tablets
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Most, mobile device management (MDM) systems can be configured to track the physical location of enrolled mobile devices. Arrange the location technology on the left in order of accuracy on the right, from most accurate to least accurate
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Most accurate GPS More accurate Wi-Fi triangulation Less accurate Cell phone tower triangulation least accurate IP address resolution
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Your organization has recently purchases 20 tablets devices for the Human Resources department to use for training sessions. You are concerned that these devices could represent a security risk to your network and want to strengthen their security profile as much as possible. Which actions should you take? (select 2)
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Implement storage implementation. Enable device encryption.
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Which of the following mobile device security consideration will disable the ability to use the device after a short period of inactivity?
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Screen lock
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Which of the following are not reasons to remote wipe a mobile device?
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When the devices is inactive for a period of time
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A smart phone was lost at the airport. There is no way to recover the device. Which of the following will ensure data confidentiality on the device?
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Remote Wipe
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Your organization provides its sales force with Windows RT 8.1 tablets to use while visiting customers sites. You manage these devices by enrolling them in your cloud-based Microsoft Intune account. One of your sales reps left her tablet at an airport. The devices contains sensitive information and you need to remove it in case that device is compromised. Which Intune portal should you use to perform a remote wipe?
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Admin Portal
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Many of the end users in your organization are bringing their own personal mobile devices to work and are storing sensitive date on them. To precent the data from being compromised, you create a cloud-based Microsoft Intune account and configure mobile device security policies. You now need to apply those security policies to the end users mobile devices. What should you do? select two
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Enroll the devices with the Intune service Create a user account for each user who has a managed mobile device
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You are considering using WIFI triangulation to track the location of wireless devices within your organization. However, you have read on the internet that this type of tracking can produce inaccurate results. What is the most important consideration for getting reliable results when implementing this type of system?
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Signal strength
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The outside sales reps from your company use notebooks computers, tablets, and phones to connect to the internal company network. While traveling, they connect thier devices to the internet using airport and hotel networks. What should you do?
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NAC
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The owner of a hotel has contracted with you to implement a wireless network to provide Internet access for patrons. The owner has asked..... Under no circumstances should..... What should you do?
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Implement a guest network
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Which of the following enterprise wireless configurations strategies best keeps public wireless access separate from private wireless access?
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Configure a guest access WLAN that uses open authentication and that isolates guest WLAN traffic from other clients on the same access point.
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Components within your server room are failing at a rapid pace. You discover that the humidity in the server room is at 60% and the temperature is at 80 degrees. What should you do?
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Add a separate A/C unit in the server room
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You maintain the network for an industrial manufacturing company. You are concerned about the dust in the area getting into the server components and affecting the ability of the network. Which of the following should you implement?
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Positive pressure system
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You are adding a new rack to your data center, which will house five new blade servers. The new servers will be installed in a cluster that will host a customer tracking database. The only space you have available in the data center is on the opposite side of the room from your existing rack, which already houses several servers, a switch, and a router. You plan to connect each new server to the switch in the existing rack using straight-through UTP cables that will be run along the floor around the perimeter of the data center. To provide power for the new devices, you will hire an electrician to install several new 20-amp wall outlets near the new rack. To protect against power failures, you also plan to install a UPS in the rack along with redundant power supplies for the server. Will this configuration work?
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No, you should run the cable around the perimeter of the room in a cable tray.
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You are adding a new rack to your data center, which will house two new blade servers and a new switch. The new servers will be used for virtualization. The only space you have available in the data center is on the opposite side of the room from your existing rack, which already houses several servers, a switch, and a router. You plan to configure a trunk port on each switch and connect them with a straight-through plenum UTP cable that will be run along the floor around the perimeter of the data center to prevent tripping. To provide power for the net devices.... Will this configuration work?
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No, you should consider relocating the new rack next to the existing rack.
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You are adding a new rack to your data center, which will house two new blade servers and a new switch. The new servers will be used for virtualization. The only space you have available in the data center is on the opposite side of the room from your existing rack, which already houses several servers, a switch, and a router. You plan to configure a trunk port on each switch and connect them with a cross-over plenum UTP cable that will be run through the suspended tile ceiling for the data center. what is wrong with this configuration? select two
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You should implement a UPS between the wall outlet and the network devices You should implement redundant power supplies for the network devices
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You have purchased a solar backup power device to provide temporary electrical power to critical systems in your data center should the power provided by the electrical utility company go out The solar panel array captures sunlight, converts it into DC, and stores it in large batteries. However... Which electrical devices should you implement to convert the DC power stored in the batteries into AC power that can be used in the data center?
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Inverter
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Which electrical devices is used to convert the voltage of an alternating current (AC) from the utilities company's transmission lines to 110 volts that can be used by devices in the data center?
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Transformers
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You have been struggling to keep the temperature in your server room under control. To address this issue, you have decided to reconfigure the room to create hot and cold aisles. Which of the following are true concerning this configurations? select two
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The rear of your servers should fave the hot aisle The from of your servers should face the cold aisle
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You've just installed a new 16U wall-mounted rack in your data center. You need to install the following equipment in this rack: A 4U redundant power supply A 4U server A 4U switch A 2U router Which of the following equipment will also fit in this rack along with the above equipment?
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2U UPS
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Consider the network diagram shown below. Click on the item in the diagram that does not follow a standardized labeling scheme
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PC2
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Your 24U rack currently houses two 4U server systems. To prevent overheating, yo've installed a rock-mounted environment monitoring device within the rack. Currently, the device shows the temp within the rack to be 79 degrees. what should you do?
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Nothing, the temperature within the rack is within acceptable limits
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You have been hired by a startup company to install a new data center. The company is small, so they will elect to use an unused employee break room as the data center. You are concerned about truth physical security of the servers that will be installed in the data center. what should you do? select two
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Install racks with locking doors Install a biometric lock on the data center door
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Which of the following is the least effective power loss protection for computer systems?
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Surge protector
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Besides protecting a computer from under voltage, a typical UPS also performs which two actions.
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Protects from over voltage Conditions the power signal
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You manage the website for your company. The website uses a cluster of two servers with a single shared storage device. The shared device uses a RAID 1 configuration. Each server has a single connection to the shared storage, and a single connection to your ISP. You want to provide redundancy such that a failure in a single component does not cause the website to be unavailable. What should you add to your configuration to accomplish this?
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Connect one server through a different ISP to the internet.
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You have a WAN link that connects two sites. The WAN link is supposed to provide 1.5 Mbps of bandwidth. You want to perform a test to see the actual bandwidth of the link. Which tool should you use?
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Throughput tester.
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What is a program that appears to be legitimate application, utility, game or screensaver and that performs malicious activities surreptitiously?
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Trojan horse
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You connect a packet sniffer to a switch to monitor frames on your local area network. However, the packet sniffer is only able to see broadcast frames and frames addressed specifically to the host device. Which feature should you enable on the switch so you can see frames from all devices connected to the switch?
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Mirroring.
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You have installed a new application on a network device. During testing, it appears as if the software is causing other services running on the device to stop responding. Which tool should you consult to identify the problem?
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Application log.
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You manage a firewall that connects your private network to the Internet. You would like to see a record of every packet that has been rejected by the firewall in the past month. Which tool should you use?
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Event log.
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You suspect that your web server has been the target of a denial-of-service attack. You would like to view information about the number of connections to the server over the past three days. Which log would you most likely examine?
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Performance
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You are concerned about attacks directed against the firewall on your network. You would like to examine the content of individual frames sent to the network. Which tool should you use?
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Packet sniffer.
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You have a website that customers use to view product information and place orders. You would like to identify the maximum number of simultaneous sessions that this server can maintain before the performance is negatively impacted. Which tool should you use?
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Load tester
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You decide to use a packet sniffer to identify the type of traffic sent to a router. You run the packet sniffer software on a device which is connected to the same hub that is connected to the router. When you run the software, you only see frames addressed to the workstation and not other devices. Which feature should you configure?
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Promiscuous mode.
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You want to be able to identify traffic that is being generated and sent through the network by a specific application running on a device. Which tool should you use?
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Protocol analyzer.
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You have heard about a Trojan horse program where the compromised systems sends personal information to a remote attacker on a specific TCP port. You want to be able to easily tell whether any of your systems are sending data to the attacker. Which log would you monitor?
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Firewall
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You have a small network of devices connected together using a switch. You want to capture the traffic that is sent from Host A to Host B. On Host C, you install a packet sniffer that captures network traffic. After running the packet sniffer, you cannot find any captured packets between Host A and Host B. What should you do?
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Run the packet sniffer application on Host B.
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Which of the following functions can a port scanner provide? select two
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Determining which ports are open on a firewall Discovering unadvertised servers
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Each of the following tools used to check the health of a network. Which of these is typically used to managing and sending messages from one computer system to another?
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syslog
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Which of the following is a reason to use a protocol analyzer?
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Find devices that might be using legacy protocols, such as IPX/SPX or NetBIOS
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You are the network administrator for a growing business. When you were initially hired, the organization was small and only a single switch and router were required to support your users. During this time, you monitored log messages from your router and switch directly from each device's console. However, the organization has grown considerably in recent months. You now must manage 8 individual switches and three routers. It's becoming more and more difficult to monitor these devices and stay on top of issues in a timely manner. What should you do?
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Use syslog to implement centralized logging.
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Which of the following is a standard for sending log messages to a central logging server?
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Syslog
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Consider the following log message, generated on a router. *Aug 8 11:18:12.081: %LINEPPROTO-5-UPDOWN: Line protocol on interface fastethernet0/0, changed state to down. What facility generated this message?
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%LINEPPROTO
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Consider the following output generated by the show interface fa0/0 command generated on a router: Which of the following statements are true about fa0/0 interface. select three
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The interface has been dropping incoming packets Several collisions have occurred One cyclic redundancy check error has occurred
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Because of an unexplained network slowdown on your network, you decide to install monitoring software on several key network hosts to locate the problem. You will then collect and analyze data from a central network host. What protocol will the software use to detect the problem?
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SNMP
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Which protocol uses traps to send notifications from network devices?
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SNMP
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You have been using SNMP on your network for monitoring and management. You are concerned about the security of this configuration. What should you do?
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Implement version 3 of SNMP
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Which of the following are improvements to SNMP that are included within SNMP version 3? (Select two)
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Authentication for agents and managers Encryption of SNMP messages
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One of the components of Simple Network Management Protocol (SNMP) is an alert. Which of the following best describes an SNMP alert?
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Sends a message via email or SMS when an event occurs
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You want to be able to identify traffic that is being generated and sent through the network by a specific application running on a device. Which tool should you use?
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Protocol analyzer.
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Developers in your company have created a Web application that interfaces with a database server. During development, programmers created a special user account that bypasses the normal security. What is this an example of?
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Backdoor
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A collection of zombie computers have been setup to collect personal information. What type of malware do the zombie computers represent?
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Botnet
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You have heard about a new malware program that presents itself to user as a virus scanner. When users run the software, it installs itself as a hidden program that has administrator access to various system components. The program then tracks system activity and allows an attacker to remotely gain administrator access to the computer. Which of the ff. terms best describes this software?
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Rootkit
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NetBus and Back Orifice are remote control tools. They allow you to connect to a remote system over a network and operate it as if you were sitting at its local keyboard. Unfortunately, these two programs are also examples of what type of security concern?
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Backdoor Trojans
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Which type of virus intercepts system requests and alters service outputs to conceal its presence?
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Stealth
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Which of the ff. best describes spyware?
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It monitors the actions you take on your machine and sends the information back to its originating source.
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While browsing the Internet, you notice that the browser displays ads that are targeted towards recent keyword searches you have performed. What is this an example of?
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Adware
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Which of the ff. measures are you most likely to implement to protect against a worm or Trojan horse?
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Anti-virus software
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You recently discovered several key files of your antivirus program have been deleted. You suspect that a virus has deleted the files. Which type of virus deletes key antivirus program files?
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Retro
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Which of the ff. describes a logic bomb?
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A program that performs a malicious activity at a specific time or after a triggering event.
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What is the main difference between a worm and a virus?
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A worm can replicate itself, while a virus requires a host for distribution.
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What is another name for a logic bomb?
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Asynchronous attack
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Which of the ff. statements about the use of anti-virus software is correct?
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Anti-virus software be configured to download update virus definition files as soon as they become available.
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Which of the ff. password attacks uses preconfigured matrices of hashed dictionary words?
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Rainbow table
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Which of the ff. is most vulnerable to a brute force attack?
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Password authentication
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In a variation of the brute force attack, an attacker may use a predefined list (dictionary) of commonly used usernames and passwords to gain access to existing user accounts. Which countermeasure best addresses this issue?
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A strong password policy
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Which of the ff. actions should you take to reduce the attack surface of a server?
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Disable unused services
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By definition, what is the process of reducing security exposure and tightening security controls?
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Hardening
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When securing a newly deployed server, which of the ff. rules of thumb should be followed?
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Determine the unneeded services and their dependencies before altering the system.
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Which of the ff. describes a configuration baseline?
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A list of common security settings that a group or all devices share
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Which of the ff. solutions would you use to control the actions that users can perform on a computer, such as shutting down the system, logging on through the network, or loading and unloading device drivers?
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Group Policy
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For users who are member of the Sales Team, you want to force their computers to use a specific desktop background and remove access to administrative tools from the Start menu. Which solution should you use?
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Group Policy
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You have contracted with a vendor to supply a custom application that runs on Windows workstations. As new application versions and patches are released, you want to be able to automatically apply these to multiple computers. Which tool would be the best choice to use?
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Group Policy
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You have a file server named Srv3 that holds files used by the Development department. You want to allow users to access the files over the network, and control access to files when files are accessed through the network or through a local logon. Which solution should you implement?
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NTFS and share permissions
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You want to give all managers the ability to view edit a certain file. To do so, you need to edit the discretionary access control list (DACL) associated with the file. You want to be able to easily add and remove managers as their job positions change. What is the best way to accomplish this?
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Create a security group for the managers. Add all users as members of the group. Add the group to the file's DACL.
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You have a shared folder named Reports. Members of the Managers group have been given Write access to the shared folder. Mark Mangum is a member of the Managers group. He needs access to the files in the Reports folder, but should not have any access to the Confidential.xls file. What should you do?
answer
Add Mark Mangum to the ACL for the Confidential.xls file with Deny permissions.
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You have two folders that contain documents used by various departments: o The Development group has been given the Write permission to the Design folder. o The Sales group has been given the Write permission to the Products folder. No other permission have been given to either group. User Mark Tillman needs to have the Read permission to the Design folder and the Write permission to the Products folder. You want to use groups as much as possible. What should you do?
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Make Mark a member of the Sales groupl add Mark's user account directly to the ACL for the Design folder.
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FTPS uses which mechanism to provide security for authentication and data transfer?
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SSL
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You have placed an FTP server in your DMZ behind your firewall. The FTP server will be used to distribute software updates and demonstration versions of your products. Users report that they are unable to access the FTP server. What should you do to enable access?
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Open ports 20 and 21 for inbound and outbound connections.
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Many popular operating system allow for quick and easy sharing of files and printers with other network members. Which of the ff. is not a means by which file and printer sharing is hardened?
answer
Allowing NetBIOS traffic outside of your secured network.
