You examine the port statistics on a Cisco Catalyst switch and notice an excessive number offrames are being dropped. Which of the following are possible reasons for the drops?()A、Unknown destination MAC addressB、Bad cablingC、MAC forwarding table is fullD、Port configured for half duplexE、Port configured for full duplexF、Network congestion

You examine the port statistics on a Cisco Catalyst switch and notice an excessive number offrames are being dropped. Which of the following are possible reasons for the drops?()

  • A、Unknown destination MAC address
  • B、Bad cabling
  • C、MAC forwarding table is full
  • D、Port configured for half duplex
  • E、Port configured for full duplex
  • F、Network congestion

相关考题:

You are the administrator of a Windows Server 2003 computer named Server1. The hardware vendor forServer1 notifies you that a critical hotfix is available. This hotfix is required for all models of this computer thathave a certain network interface card.You need to find out if the network interface card that requires the hotfix is installed in Server1.What are two possible ways to achieve this goal? ()(Each correct answer presents a complete solution. Choose two.)A. Open Network Connections, and then examine the properties of each connection that is listed.B. Open the Component Services snap-in, expand Computers, expand My Computer, and then examine the list.C. Run the netsh interface command, and then examine the list.D. Open Device Manager, expand Network adapters, and then examine the list

View the Exhibit and examine the output.You execute the following RMAN command to perform the backup operation:What is the multiplexing level in the preceding backup process() A. 4B. 8C. 7D. 0

Examine the statement: Create synonym emp for hr. employees; What happens when you issue the statement? () A. An error is generated.B. You will have two identical tables in the HR schema with different names.C. You create a table called employees in the HR schema based on you EMP table.D. You create an alternative name for the employees table in the HR schema in your own schema.

Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa > You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?()A. An error is returned.B. You are prompted to enter a new value.C. A report is produced that matches the first report produced.D. You are asked whether you want a new value or if you want to run the report based on the previous value.

Examine the structure of the EMPLOYEES table:You need to update the records of employees 103 and 115. The UPDATE statement you specify should update the rows with the values specified below:Which UPDATE statement meets the requirements?()A.B.C.D.E.

View the Exhibit to examine the parameter values.You are planning to set the value for the MEMORY_TARGET parameter of your database instance.What value would you recommend?() A. 90 MBB. 272 MBC. 362 MBD. 1,440 MB

Examine the structure of the EMPLOYEES table:You issue these statements:At the end of this transaction, what is true?() A. You have no rows in the table.B. You have an employee with the name of James.C. You cannot roll back to the same savepoint more than once.D. Your last update fails to update any rows because employee ID 180 was already eleted.

Examine the structure of the STUDENTS table:You need to create a report of the 10 students who achieved the highest ranking in the course INT SQL and who completed the course in the year 1999.Which SQL statement accomplishes this task?()A.B.C.D.

You are the administrator of a SQL Server 2000 computer. The server contains database named Sales. Users report that they cannot add new data to the database. You examine the properties of the database. The database is configured as shown in the Sales Properties exhibit.You examine drive E. The hard disk is configured as shown in the Local Disk Properties exhibit.You want the users to be able to add data, and you want to minimize administrative overhead. What should you do?A.Increase the maximum file size of Sales_Data to 1,500MB.B.Use the DBCC SHRINKDATABASE statement.C.Set automatic file growth to 10 percent.D.Create another data file named Sales_Data2 in a new SECONDARY filegroup.

To determine which grades of cargo a tank vessel is permitted to carry you should ______.A.refer to the vessel's Certificate of InspectionB.examine the cargo tanks and fittingsC.ask the terminal supervisor or his representativeD.check the loading order

Your network consists of a single Active Directory domain that contains two domain controllers. Both domain controllers run Windows Server 2003 Service Pack 2 (SP2). Auditing of successful account logon events is enabled on all computers in the domain. You need to identify the last time a specific user logged on to the domain. What should you do?()A、Examine the System Event Log on the user’s computer.B、Examine the System Event Log on both domain controllers.C、Examine the Security Event Log on both domain controllers.D、Examine the Application Event Log on the user’s computer.

Your alert log file has the following information: Tue May 25 17:43:38 2004  ORA-00060: Deadlock detected. More info in file  /u01/app/oracle/admin/ORCL/udump/orcl_ora_3173.trc.  What would you do to ensure that database is still running correctly?()A、examine the trace file and kill the session that caused the deadlockB、examine the trace file and kill both the sessions responsible for the deadlockC、examine the trace file for details and ask the user who caused the deadlock to roll back the transactionD、examine the trace file for details and remember that deadlocks are resolved automatically by Oracle databaseE、examine the trace file for details and use the Undo Advisor to rollback the transaction that caused the deadlock

You have a computer that runs Windows 7. You need to view the processes that currently generate network activity. What should you do? ()A、Open Resource Monitor and click the Network tab.B、Open Windows Task Manager and click the Networking tab.C、Open Event Viewer and examine the NetworkProfile Operational log.D、Open Performance Monitor and add all the counters for network interface.

You have a computer that runs Windows 7. You configure the computer to automatically install all updates.You need to verify whether a specific update is installed.  What should you do?()A、In Event Viewer, examine the Application log.B、In Windows Update, examine the update history.C、At the command prompt, run Wusa.exe and specify the /kb parameter.D、At the command prompt, run Verifier.exe and specify the /query parameter.

Your network consists of a single Active Directory domain that contains two domain controllers. Both domain controllers run Windows Server 2003 Service Pack 2 (SP2). Auditing of successful account logon events is enabled on all computers in the domain. You need to identify the last time a specific user logged on to the domain. What should you do? ()A、Examine the System Event Log on the user’s computer.B、Examine the System Event Log on both domain controllers.C、Examine the Security Event Log on both domain controllers.D、Examine the Application Event Log on the user’s computer.

You are the administrator of a Windows Server 2003 computer named Server1. Newly hired employees recently started storing files on Server1. Now users report that Server1 is responding much slower than it did before the additional users were added. You suspect the disk subsystem needs to be upgraded to accommodate the additional user load. You need to confirm whether the disk subsystem on Server1 needs to be upgraded. What should you do?()A、Configure a Performance Logs and Alerts alert on the %Free Space counter.B、Use Device Manager to populate volume settings and examine the properties of the disk drives on Server1C、Use Event Viewer to examine the system logs and search the system logs for events generated by the disk event source.D、Use System Monitor to monitor counters based on the PhysicalDisk object.

You are the network administrator for You administer a Windows Server 2003 computer named TestKing5. The hardware vendor for TestKing5 notifies you that a critical hotfix is available. This hotfix is required for all models of this computer that have a certain network interface card. You need to find out if the network interface card that requires the hotfix is installed in TestKing5. What are two possible ways to achieve this goal? (Each correct answer presents a complete solution. Choose two.)()A、Open Network Connections, and then examine the properties of each connection that is listed.B、Open the Component Services snap-in, expand Computers, expand My Computer, and then examine the list.C、Run the netsh interface command, and then examine the list.D、Open Device Manager, expand Network adapters, and then examine the list.

You have the Web Server (IIS) role installed on a server that runs Windows Server 2008.   You make changes to the configuration of an application named APP1. Users report that the application fails. You examine the event log and discover the following error message:  503 Service Unavailable.  You need to ensure that users are able to connect to APP1.  Which command should you run at the command prompt on the server?()A、appcmd set configB、appcmd stop apppoolC、appcmd start apppoolD、appcmd set apppool

单选题You have an Exchange 2010 Edge Transport server named Server1.You discover that you cannot receive e-mail from an organization that uses the contoso.com domain name.You examine the server logs and discover that the contoso.com servers are configured as open SMTP relays.You need to ensure that the Edge Transport server can receive e-mail from contoso.com.What should you do?()ACreate an IP Allow List entryBCreate an address rewrite entryCConfigure the properties of the Sender ID featureDConfigure the properties of the sender filtering feature

单选题In order to detect rot in manila lines,you should().Afeel the surface of the line for broken fibersBmeasure the reduction in circumference of the lineCobserve any mildew on the outer surfaceDopen the strands and examine the inner fibers

单选题A: Excuse me. I’d like to exchange this watch. I just bought it, but look at this.  B: ______AYes, I know your watch is new, but I like my old one better.BWhat seems to be the problem?CThank you for your kindness, but my watch still works.DSorry. Why didn’t you examine it carefully before you bought it?

单选题If you () the equipment more carefully before sail, we () so much trouble now.Aexamined;are not havingBhad examined;would not haveChad examined;would not have hadDshould examine;would not have

单选题Examine this statement: SELECT student_id, gpa FROM student_grades WHERE gpa value; You run the statement once, and when prompted you enter a value of 2.0. A report is produced. What happens when you run the statement a second time?()AAn error is returned.BYou are prompted to enter a new value.CA report is produced that matches the first report produced.DYou are asked whether you want a new value or if you want to run the report based on the previous value.

单选题You work in a company which uses SQL Server 2008. You are the administrator of the company database. Now you are in charge of a SQL Server 2008 instance. Now you get an order from your company CIO, you have to identify whether a database integrity check (DBCC CHECKDB) was run for a particular database.  Which log file should you examine?()Alog.trc Bdefault.trc CERRORLOG DSQLAGENT

单选题You have a computer that runs Windows 7. You configure the computer to automatically install all updates.You need to verify whether a specific update is installed.  What should you do?()AIn Event Viewer, examine the Application log.BIn Windows Update, examine the update history.CAt the command prompt, run Wusa.exe and specify the /kb parameter.DAt the command prompt, run Verifier.exe and specify the /query parameter.

单选题You have a server that runs Windows Server 2003 Service Pack 2 (SP2). An incremental backup runs every weekday at 01:00. On Friday, you examine the Windows Backup log and discover that the last entry in the log is one week old. You need to identify the problem that prevents the backup from running. What should you do? ()AFrom Scheduled Tasks, examine the log.BFrom Event Viewer, examine the system log.CFrom Windows Backup, enable detailed logging and then perform a manual backup.DFrom Windows Explorer, examine the files in the %systemroot%/system32/LogFiles folder.

单选题You are the network administrator for. You are the administrator of a Windows Server 2003 computer named TestKing3. Newly hired employees recently started storing files on TestKing3. Now users report that Testking3 is responding much slower than it did before the additional users were added. You suspect the disk subsystem needs to be upgraded to accommodate the additional user load. You need to confirm whether the disk subsystem on TestKing3 needs to be upgraded. What should you do?()AConfigure a Performance Logs and Alerts on the %Free space counter.BUse Device Manager to populate volume settings and examine the properties of the disk drives on TestKing3.CUse Event View to examine the system logs and search the system logs for event logs for events generated by the disk event source.DUse System Monitor to monitor counters based on the PhysicalDisk object

多选题Examine the SQL statements that creates ORDERS table: For which columns would an index be automatically created when you execute the above SQL statement? ()ASER_NOBORDER_IDCSTATUSDPROD_IDEORD_TOTALFComposite index on ORDER_ID and ORDER_DATE