CNET 157 FINAL EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION

CNET 157 FINAL EXAM ACTUAL QUESTIONS AND ANSWERS WITH COMPLETE SOLUTION Almost immediately after a server migration project, employees are complaining that they can't reach the Internet. You sit down at a machine and try to ping a well-known website, which fails. You then try to ping a known public IP address, which succeeds. What is most likely the problem? Ans- DNS settings are incorrect. What does the ping message "Destination host unreachable" message mean? Ans- An ARP reply was not received. What does the ping message "Destination net unreachable" mean? Ans- A router in the path from the source to the destination determined that the destination network does not exist. What kind of software would you use to view and troubleshoot protocol-specific problems such as TCP retries caused by missed acknowledgements, or duplicate acknowledgements that cause network slow-down? Ans- protocol analyzer Your current backup schedule involves differential backups of all data Monday through Saturday, with a full backup on Sunday. Last Saturday, one of your storage drives failed prior to running the daily backup. What must be done to recover the data on the failed drive? Ans- The last full backup should be restored first, followed by the last successful differential backup prior to the drive failure. Protocol analyzers can help solve problems from the Data Link layer up to the Application layer. T/F Ans- True You have just connected a brand new workstation to your local network. As per company policy, you have used a static IP configuration. However, all attempts to reach the Internet from the workstation fail. You have verified that you can communicate with servers and other workstations on the local network, and that you are the only one having an issue reaching the Internet. What is most likely the issue? Ans- incorrectly configured gateway address Which of the following consists of the policies, procedures, and resources required to ensure that a business can continue to function after a major catastrophe that renders the site unable to operate? Ans- Business continuity A junior network administrator tells you that he can ping a DNS server successfully using its IP address, but he has not tested domain name lookups. What utility on the command line would you suggest your colleague use next? Ans- nslookup You recently completed a network overhaul over the weekend. Everything seems to be functioning properly until you receive a swarm of help desk support requests, all originating from one specific floor in your building. After a few minutes on the phone with those affected, you determine that no one has indicator lights active on their NICs. What is the most likely problem? Ans- A network switch is powered off. You are currently troubleshooting a network issue with your ISP's customer support agent. The agent requests that you open a command prompt and type "ping 127.0.0.1". What does this accomplish? Ans- tests that the local IP protocol is functioning Select the Windows backup type that copies the boot files, the Registry, Active Directory on domain controllers, and other critical information. Ans- System State Failing to document your network can increase your job security. T/F Ans- False Which statement is true regarding differential / incremental backups? Ans- Incremental backups copy all files changed since the last full or incremental backup and marks files as backed up. When using tape backup, what should be done to ensure that the backups are viable? Ans- Verify data can be restored. The trial-and-error method should NOT be used under which of the following situations? Ans- The problem is being discussed over the phone and you're instructing an untrained user. In the problem-solving process, you should always devise a solution to the problem you are facing prior to determining the scope of the problem. T/F Ans- False You receive a phone call from a co-worker telling you that "the network is down." Just as you are about to look into the issue, you receive several more phone calls from other co-workers. Using the problem-solving process, what must be done first to effectively troubleshoot the issue? Ans- Define the problem and scope Which of the following is NOT a good practice for performing upgrades? Ans- ignore updates to new releases Traceroute would be best suited for which of the following tasks? Ans- locating bottlenecks in a network Which command will display the configured IP address, default gateway, and DNS servers for a Windows workstation? Ans- ipconfig /all Which statistic is most likely to be included in a network baseline report? Ans- hard drive utilization The ping command is used to determine the path between two devices. T/F Ans- false A single ping message with a long response time is a definite indication of a problem. T/F Ans- false When dealing with permissions in Linux, what are the three user types that can be assigned permissions? (Choose three.) Ans- Group Other Owner What type of disk is required if you want to access additional features such as disk spanning? Ans- dynamic Where are the waiting print jobs stored until they can be sent to the print device? Ans- print queue What tool would you use to view error messages that are generated by system services or applications? Ans- Event Viewer Which of the following is NOT a Linux native file system? Ans- ReFS The partition that contains the Windows OS files is known as the what type of partition? Ans- boot Which feature on an NTFS volume provides file encryption? Ans- EFS Group accounts make it easier for an administrator to manage user rights and permissions. T/F Ans- True In regards to a user account, what does a white circle with a black arrow indicate? Ans- The account is disabled. In Linux, what is the command for viewing a file's contents on the screen? Ans- cat What level of RAID does not provide fault tolerance? Ans- 0 You are the network administrator for a company. The company's policy is that the users are allowed to set their own passwords but that they must change their password every 30 days. You have just received a call from a user who can't log on because she forgot her password. After you change her password, which of the password options listed would you set in the user's account so that she will have to change the password when she logs on using the password you assigned? Ans- User must change password at next logon. Employees in the Sales department need to be able to access the sales share on the file server. They will need to have the ability to create files, read them, and make corrections or additions. Which of the following share permissions should the group be given? Ans- change How many disks are needed to implement a RAID 1 + 0? Ans- 4 A RAID 0 requires two drives because it copies data to both drives at the same time, making an exact duplicate of the data. T/F Ans- False Which of the following are standard NTFS permissions? Ans- List Folder Contents Read Write What is another name for a RAID 1 disk configuration? Ans- disk mirroring You are creating a new group for the Sales department. All of the users that will be in this group will need to have access to the same resources. What scope would you use for this group? Ans- global The command-line method for creating users in Linux allows information to be imported from a text file. T/F Ans- True If you need to limit the amount of data users can store on a volume, you would implement which of the following? Ans- disk quotas A user logs on to her account and is able to makes changes to her desktop, like adding a background and screen saver. However, when she logs off and logs back on, the desktop reverts to its original configuration. What type of user profile does this user have? Ans- mandatory Windows can be installed on an extended partition that has been formatted with the NTFS file system. T/F Ans- False Which of the following groups are special identity groups? (Choose all that apply.) Ans- Authenticated Users System Self Which of the following are case sensitive? (Choose all that apply.) Ans- Windows password Linux logon name Linux password An event log entry that is an error is marked with a red circle with a white exclamation point in the center. T/F Ans- True Most small businesses require a high level of security including encryption technologies and complex network connections. T/F Ans- False What is CRM software? Ans- software that is used to keep track of customer information, including contact information and appointments If your network consists mostly of computers with Linux operating systems, which file-sharing system can you use that is native to Linux? Ans- NFS You have been contracted to set up a network for a small business. The company currently has 100 users, and they are looking to expand. They want to use Microsoft Exchange Server for their e-mail and shared calendar feature What version of Windows Server would you suggest that they purchase? Ans- Windows Essential Business Server Before you purchase any software for a small business, especially the OS, you should be aware of the number of users that are allowed to access the software. What document will give you that information? Ans- EULA If your company has a Web site that customers need to access, you will need to allow unsolicited communications from outside the network. In this situation, you need to install a router that supports what type of forwarding? Ans- port If you want to implement fault-tolerance on your network, what type of RAID would you use on the drives that contain data? Ans- 5 Which of the following should you consider when choosing a wireless network instead of a wired network? Ans- the ability of unauthorized users to receive a signal Which of the following is not a feature that you should consider when choosing a new switch for a small business? Ans- VPN support When purchasing new equipment for a small business it is a good idea to invest in expandability features that will meet the company's needs for the next 10 to 15 years. T/F Ans- false If you want to implement fault-tolerance on your network, what type of RAID would you use on the drives that contain the OS and applications? Ans- 1 In most cases, you can install a small business network and move on to the next job, leaving the company's IT staff to support the network. T/F Ans- False The creator of a HomeGroup has the ability to change the randomly generated password to a more user-friendly password. T/F Ans- true After you have set up a network for a small business, you may need to access the network remotely to provide support for the users. Which remote access option should not be used unless a secure connection can be established first? Ans- Telnet Which of the following installations of Windows can be used to create a HomeGroup? Ans- Windows 7 Home Premium In a small business network, the router usually takes on the responsibilities of many roles, which include a firewall as well as a DHCP server. T/F Ans- true Which of the following is a VPN mode that is usually implemented to give mobile users access to the network? Ans- client-to-gateway Which of the following is not a requirement for most small business networks? Ans- complex WAN environment Which of the following is not included in any edition of Windows Small Business Server? Ans- support for up to 500 users For a computer to connect to a HomeGroup, it must have certain features enabled or configured correctly. Which of the following is not necessary to join a HomeGroup? Ans- DHCP Which of the following is a new file-sharing option that can be used on the network if all the computers have Windows 7 installed? Ans- homegroup What are the two most common ways of accessing a network resource? (Choose two.) Ans- entering a UNC path mapping a drive In Windows, you can start the Task Manager by simply right-clicking the taskbar and choosing Start Task Manager. T/F Ans- True One critical difference between a client OS and a server OS is the addition of directory services on some server OSs. T/F Ans- True Which common e-mail protocol allows the user to access messages, yet still have them stored on the server? Ans- IMAP What are the chunks called into which the available storage space on a disk drive is broken? Ans- sectors