While troubleshooting a network outage, you discover that an employee brought a switch from home into the office to connect additional equipment to the network. In order to increase his speed, he connected this switch to both network ports in his office, resulting in a bridge loop.Which of these can you implement to prevent future occurrences of this issue?()A.RSTPB.root guardC.BPDU guardD.GLBP
While troubleshooting a network outage, you discover that an employee brought a switch from home into the office to connect additional equipment to the network. In order to increase his speed, he connected this switch to both network ports in his office, resulting in a bridge loop.Which of these can you implement to prevent future occurrences of this issue?()
A.RSTP
B.root guard
C.BPDU guard
D.GLBP
相关考题:
While troubleshooting an issue in the Ezonexam LAN you notice that a network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?A. This is an Ethernet port operating at half duplexB. This is an Ethernet port operating at full duplexC. This is a port on a network interface card in a PCD. This is 10 MB/s switch portE. This is a 100 MB/s switch portF. None of the above
Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?()A.Modify the time zone for the computer.B.Modify the IPv4 settings on the computer.C.Create an A record for the computer in an internal DNS zone.D.Request that an administrator create a prestaged computer account in the domain.
You connect your computer to a wireless network. You discover that this new connection fails to show in the Connect to a network window.You need to view this connection in the Connect to a network window.What should you do?()A.AB.BC.CD.D
Your computer has a wireless network adapter installed. However, the computer fails to connect to the wireless network. You need to ensure that the computer is able to connect to the wireless network. What should you do?()A、Change the Network Category setting of the wireless connection to Public.B、Enable the Internet Connection Sharing feature on the wireless network adapter.C、Rename the wireless network adapter to match the Service Set Identifier (SSID) of the wireless network.D、Configure the wireless network adapter to connect to the appropriate wireless network from the Connect to a network list.
As an experienced network engineer, you are asked to troubleshoot a CIS network outage. During the troubleshooting process, you notice that one of your colleagues connects additional devices to the network with the use of his own switch. With the purpose of improving speed, the switch is attached to both network ports in an office, which leads to bridge loop. Enabling which of the following feature will be able to prevent this problem from happening again?()A、GLBPB、RSTPC、BPDU guardD、root guard
A user is unable to connect to the network. A network technician is able to determine that there is a problem on the switch. All other users on that switch are able to connect successfully to the network. Which of the following is a probable cause?()A、Switching loop is occurring on the switch.B、Wrong subnet mask on the switch.C、Incorrect SNMP settings on the switch.D、Port is misconfigured on the switch.
Your network consists of two subnets named Subnet1 and Subnet2. You have a server named Server1 that runs Windows Sever 2003 Service Pack 2 (SP2). Server1 is located on Subnet1. Users from Subnet1 report poor performance when they connect to Server1. Users from Subnet2 report that they are unable to connect to Server1.You monitor both network segments and discover a large number of NetBIOS broadcasts on both network segments.You need to reduce the number of broadcasts on the network. What should you deploy?()A、a DHCP Relay Agent B、a WINS server C、Connection Point Services (CPS) D、Simple TCP/IP Services on all computers
Your company has a main office and a branch office. The network contains an Active Directory forest. All users on the network access the Internet from their computers. The company hires a temporary employee who has his own portable computer. The employee connects his portable computer to the network. When the employee attempts to join the computer to the domain, the connection fails. A help desk technician reports the following about the employee. He has a domain user account.His computer can access Internet Web sites.His computer can contact domain controllers by using the domain controllers IP addresses. You need to ensure that the employees computer can join the domain. The solution must ensure that the computer can access resources on the Internet. What should you do?()A、Modify the time zone for the computer.B、Modify the IPv4 settings on the computer.C、Create an A record for the computer in an internal DNS zone.D、Request that an administrator create a prestaged computer account in the domain.
You are the network administrator for Company. A user named Peter runs Windows 2000 Professional on his portable computer. Peter wants to be able to work at home with files that were created in the office on Company’s network. He mapsdrive X to a shared network folder and configures it to reconnect when he logs on to the network. Before Peter logs off the network and leaves the office, he attempts to make drive X available offline. Peter calls you and reports that he does not have the option to make his shared folder available offline. Peter needs to have the files in drive X available offline. What should you instructs Peter to do?()A、Ensure that NetBIOS over TCP/IP is enabled on the network server.B、Enable Offline Files on the portable computer.C、Create an Offline File synchronization schedule.D、Create a shortcut to the Offline Files folder.
Your company has a main office and a branch office. The branch office has an Active Directory site that contains a read-only domain controller (RODC). A user from the branch office reports that his account is locked out. From a writable domain controller in the main office, you discover that the user’s account is not locked out. You need to ensure that the user can log on to the domain. What should you do()A、Modify the Password Replication Policy.B、Reset the password of the user account.C、Run the Knowledge Consistency Checker (KCC) on the RODC.D、Restore network communication between the branch office and the main office.
You are the administrator of Company.com’s network. Your network has 100 Windows 2000 Professional computers and 10 Windows 2000 Server computers. Users on the network save their work files in home folders on a network server. The NTFS partition that contains the home folders has Encrypting File System (EFS) enabled. In addition, the network servers is configured with disk quotas for the NTFS volume that contains the home folders. All users have a default limit of 100 MB, and the option to deny space to users who exceed their limit has been enabled. A user reports that he cannot save any files to his home folder. He also cannot update files in his home folder. When he attempts to save files to the folder, he receives the following error message: “Insufficient disk space.” Other users are not experiencing this problem with their home folders. You want to enable the user to save files in his home folder. What should you do?()A、 Use Windows Backup to archive and remove old files on the server. B、 Increase the server’s disk quota entry for the user to accommodate the additional files. C、 Log on to the network as a Recovery Agent.Decrypt all of the user’s files in his home folder. D、 Log on to the network by using the domain Administrator account.Grant the user Full Control permission to his home folder.
You are the administrator of your company’s network. A user named Peter runs Windows 2000 Professional on his portable computer. Peter wants to be able to work at home on files that were created in the office on the company network. Prior to logging off the network and leaving the office, Peter enables offline files. Peter wants to automatically download all the opened files to his computer and he should not manually define the offline files. What setting you will do in caching option? ()A、Enable file and print sharing. Peter will be able to access his files at home immediatelyB、Synchronize all offline files. Peter will be able to access his files at home immediatelyC、In the cache settings, you should define the manual caching for documentsD、In the cache settings, you should define the automatic caching for documentsE、In the cache settings, you should define the automatic caching for programs.
You are the administrator of your company's network. A user named David runs Windows 2000 Professional on his portable computer. David wants to be able to work at home on files that he created at the office and stored on the company network. Prior to logging off the network and leaving the office, David enables offline files. David calls you from home and reports that copies of his folders and files on the network are not available on his portable computer. What should you instruct David to do, so that he can proceed with his work?()A、Enable file and print sharing. David will be able to access his files at home immediately. B、Synchronize all offline files. David will be able to access his files at home immediately. C、At the office, make all files available offline. David will be able to access his files the next time he logs off the network. D、At the office, create a shortcut to the Offline Files folder. David will be able to access his files the next time he logs off the network.
You administer Company's network that consists of 100 Windows 2000 Professional computers and nine Windows 2000 Server computers. All users at Company save their work files in home folders on a network server. The network server is configured with two NTFS volumes. One of the NTFS volumes contains the home folders for the users at Company and the other NTFS volume contains a shared folder named PROGRESS, which is used for users to save temporary work files in. Disk quotas and Encrypting File System (EFS) is enabled on the NTFS volume with the home folders. All users have a default limit of 100 MB and the option to deny space to users who exceed their limit has been enabled. A user reports that he cannot save any files to his home folder. He also cannot update files in his home folder. The user currently has no data stored in the PROGRESS folder. When he attempts to save files to his home folder, he receives the following error message: "Insufficient disk space." Other users are not experiencing this problem with their home folders. You want to allow the user to save files on the network server. What should you do?()A、 Use Windows Backup to archive and remove old files on the server.B、 Compress the files in the user’s home folder to allow additional files to be saved.C、 Move some of the files from the user’s home folder to the PROGRESS share folder.D、 Log on the network as a Recovery Agent. Decrypt all of the user’s files in his home folder. E、 Lon on to the network by using the domain Administrator account. Grant the user Full Control permission to his home folder.
You are the administrator of your company’s network. A user named Peter runs Windows 2000 Professional on his portable computer. Peter wants to be able to work at home on files that were created in the office on the company network. Prior to logging off the network and leaving the office, Peter enables Offline Files. Peter calls you from home and reports that copies of his folders and files on the network are not available on his portable computer. What should you instruct Peter to do? ()A、 Enable file and print sharing. Peter will be able to access his files at home immediately. B、 Synchronize all offline files. Peter will be able to access his files at home immediately. C、 At the office, make the files available offline. Peter will be able to access his files the next time he logs off the network. D、 At the office, create a shortcut to the Offline Files folder. Peter will be able to access his files the next time he logs off the network.
You want to connect to your company network from your Windows 2000 Professional computer at home. You have an ISDN line that is used for internet connectivity. You create a VPN connection and are able to connect successfully to the company network. While connected to the company network, you are unable to access the Internet. What must you do so that you can access the Internet?()A、Configure the ISDN connection to use SLIP instead of PPP.B、Select the Enable Internet Connection Sharing for this connection check box in the ISDN connection properties.C、Clear the Use default gateway on remote network check box.D、Install and configure the SAP Agent service.
Your network contains a wireless access point. You have a computer that runs Windows 7. The computerconnects to the wireless access point. You disable Service Set Identifier (SSID) broadcasts on the wirelessaccess point. You discover that you are now unable to connect to the wireless access point from theWindows 7 computer. You need to ensure that the computer can connect to the wireless access point. What should you do?()A、From Credential Manager, modify the generic credentials.B、From Credential Manager, modify the Windows credentials.C、From Network and Sharing Center, turn on Network discovery.D、From Network and Sharing Center, modify the wireless network connection settings.
You are the network administrator for Company.You need to connect to Company’s network from your Windows 2000 Professional computer at home.You have a DSL line that is used for Internet connectivity. You create an L2TP virtual private network(VPN) connection and are able to connect successfully to Company’s network. While connected toCompany’s network, you are unable to access the Internet.You want to be able to access the Internet while connected to Company’s network.How should you configure the connection properties?()A、Configure the DSL connection to use PPTP instead of L2TP. B、Enable Internet Connection Sharing for the DSL connection properties. C、CLEAR THE Use default gateway on remote network check box. D、Clear the Require data encryption check box.
单选题Your company has a main office and a branch office. The company network has two WINS servers.You have an application that requires NetBIOS name resolution.The WINS servers are configured as shown in the following table. Location Server name IP address Main office DC1 10.1.0.23 Branch office DC2 10.6.0.254 You discover that the WINS addresses on all client computers in both offices are configured in the following order of use: 10.1.0.23 10.6.0.254 You reconfigure the WINS addresses on all client computers in the branch office in the following order of use: 10.6.0.254 10.1.0.23 After the reconfiguration, users in the branch office are unable to connect to the servers that are located in the main office.You need to restore name resolution in the branch office. What should you do?()AConfigure the burst handling option on DC2.BConfigure DC1 and DC2 as WINS push/pull replication partners.CIn the WINS server properties on DC1, increase the Renew interval setting to 1 day.DIn the WINS server properties on DC2, increase the Renew interval setting to 1 day.
单选题While troubleshooting a network outage, you discover that an employee brought a switch from home into the office to connect additional equipment to the network. In order to increase his speed, he connected this switch to both network ports in his office, resulting in a bridge loop. Which of these can you implement to prevent future occurrences of this issue?()ARSTPBroot guardCBPDU guardDGLBP
单选题You use a Windows 2000 Professional portable computer both at the office and at home. In the office youconnect the portable computer to a docking station and use Internet Explorer to access the Internetthrough your LAN connection.At home, you configure a new dial-up connection to the Internet. Now when you attempt to access theInternet from the office you are prompted to connect via your dial-up connection. When you cancel thismessage, you can only work offline and cannot access the Internet.You want to maintain your dial-up connection for home use and your ability to access the Internet whenconnected to the company LAN. What should you do?()AReconfigure the dial-up connection to dial-up to a private network.BCreate another connection that uses a virtual private network (VPN) to connect to a privatenetwork though the Internet.CConfigure Internet Explorer to automatically detect proxy settings.DConfigure Internet Explorer to dial whenever a network connection is not present.
单选题Your company has a main office and a branch office. The company network has two WINS servers.You have an application that requires NetBIOS name resolution.The WINS servers are configured as shown in the following table. Location Server name IP address Main office DC1 10.1.0.23 Branch office DC2 10.6.0.254 You discover that the WINS addresses on all client computers in both offices are configured in the following order of use: 10.1.0.23 10.6.0.254 You reconfigure the WINS addresses on all client computers in the branch office in the following order of use: 10.6.0.254 10.1.0.23 After the reconfiguration, users in the branch office are unable to connect to the servers that are located in the main office.You need to restore name resolution in the branch office. What should you do?()AConfigure the burst handling option on DC2.BConfigure DC1 and DC2 as WINS push/pull replication partners.CIn the WINS server properties on DC1, increase the Renew interval setting to 1 day.DIn the WINS server properties on DC2, increase the Renew interval setting to 1 day.
单选题Your network contains a wired network and a wireless network. Users report that they experience intermittent problems accessing network resources when they connect to the internal wireless network. You discover that an unsecured rogue wireless access point uses the same Service Set Identifier (SSID) as the internal wireless network. You need to ensure that the users only connect to the internal wireless network. What should you do?()AConfigure a Windows Connect Now Group Policy.BConfigure a Wireless Network (IEEE 802.11) Policy.CDelete the rogue network from the Network and Sharing Center on each computer.DCreate a Connection Manager Administration Kit (CMAK) profile and deploy it to all users.
单选题You use a Windows 2000 Professional portable computer both at the office and at home. In the office you connect the portable computer to a docking station and use Internet Explorer to access the Internet through your LAN connection. At home, you configure a new dial-up connection to the Internet. Now when you attempt to access the Internet from the office you are prompted to connect via your dial-up connection. When you cancel this message, you can only work offline and cannot access the Internet. You want to maintain your dial-up connection for home use and your ability to access the Internet when connected to the company LAN. What should you do?()AReconfigure the dial-up connection to dial-up to a private network.BCreate another connection that uses a virtual private network (VPN) to connect a private network though the Internet.CConfigure Internet Explorer to automatically detect proxy settings.DConfigure Internet Explorer to dial whenever a network connection is not present.
单选题You connect your computer to a wireless network. You discover that this new connection fails to show in the Connect to a network window. You need to view this connection in the Connect to a network window. What should you do?()AClick the Diagnose and repair link.BEnable the Turn on notification of new networks option.CConfigure the Connect to a network window to show all networks.DDisable the Connect automatically when this network is in range option, and then enable the Connect even if the network is not broadcasting option.
单选题You are the administrator of Company.com’s network. Your network has 100 Windows 2000 Professional computers and 10 Windows 2000 Server computers. Users on the network save their work files in home folders on a network server. The NTFS partition that contains the home folders has Encrypting File System (EFS) enabled. In addition, the network servers is configured with disk quotas for the NTFS volume that contains the home folders. All users have a default limit of 100 MB, and the option to deny space to users who exceed their limit has been enabled. A user reports that he cannot save any files to his home folder. He also cannot update files in his home folder. When he attempts to save files to the folder, he receives the following error message: “Insufficient disk space.” Other users are not experiencing this problem with their home folders. You want to enable the user to save files in his home folder. What should you do?()A Use Windows Backup to archive and remove old files on the server. B Increase the server’s disk quota entry for the user to accommodate the additional files. C Log on to the network as a Recovery Agent.Decrypt all of the user’s files in his home folder. D Log on to the network by using the domain Administrator account.Grant the user Full Control permission to his home folder.
单选题You are the network administrator of a small Layer 2 network with 50 users. Lately, users have been complaining that the network is very slow. While troubleshooting, you notice that the CAM table of your switch is full, although it supports up to 12,000 MAC addresses. How can you solve this issue and prevent it from happening in the future?()AUpgrade the switchesBConfigure BPDU guardCConfigure VLAN access listsDConfigure port securityEConfigure Dynamic ARP inspection