单选题To enable TCP Port Forwarding applications using IOS WebVPN， what needs tobe downloaded to the client？（）ACisco SecurityAgent （CSA）BCiscoTrustAgent （CTA）CCisco Secure Desktop （CSD）DA small Java AppletESSLVPN Client （SVC）FSSLVPN Client （SVC） and Cisco Se

第1题：

Which of the following will generate an RSTP topology change notification？（）

• A、 an edge port that transitions to the forwarding state
• B、 a non-edge port that transitions to the blocking state
• C、 a non-edge port that transitions to the forwarding state
• D、 an edge port that transitions to the blocking state
• E、 any port that transitions to the blocking state
• F、 any port that transitions to the forwarding state

第2题：

What is a valid option when using the ping command?（）

• A、packet loss
• B、packet size
• C、CRC
• D、TCP port

第3题：

You are the desktop administrator for your company's sales department. The IT manager for the sales department needs to distribute three custom applications to the department's Windows XP Professional computers. She deploys these applications by using Group Policy. Some users report that they must log on several times before the newly deployed applications are present on their computers. You need to ensure that all software is deployed the next time the users log on. What should you do?（）

• A、Enable the Always wait for the network at computer startup and logon policy.
• B、Enable the Always use classic logon policy. 
• C、Enable the Turn off background refresh of Group Policy policy.
• D、Enable the Group Policy slow link detection policy. 

第4题：

Which of the following should you enable to prevent a switch from forwarding packets with source  addresses that are outside an administratively defined group？ （）

• A、 DAI
• B、 STP
• C、 PVLAN
• D、 port security

第5题：

To initiate testing，  which port does a Cisco IOS IP SLA source use to send a control message to an IP SLA responder？ （）

• A、UDP port 2020
• B、UDP port 1967
• C、TCP port 2020
• D、ICMP port 1967

第6题：

A web server is running correctly but sending a RST packet to any client trying to connect using HTTP on TCP port 80. Which of the following tools should be used to determine the listening port of the web server?（）

• A、Route
• B、Ifconfig
• C、Netstat
• D、Nslookup

第7题：

You have a Hub Transport server named Server1 that runs Exchange Server 2010.All Exchange users use IMAP4 to retrieve e-mail.You need to ensure that all users can send e-mail by using SMTP.Your solution must not require any modifications to the default connectors. What should you do？（）

• A、Configure IMAP4 clients to send e-mail by using TCP port 25.
• B、Configure IMAP4 clients to send e-mail by using TCP port 587.
• C、Create a new Send connector and configure the connector to use port 110.
• D、Create a new Send connector and configure the connector to use port 143.

第8题：

You are the administrator of Company's network. You wish to connect your Windows 2000 Professional computer to a new TCP/IP based Plug and Play compliant print device. The print device is included on the current Hardware Compatibility List (HCL) When you attempt to create a new TCP/IP printer port, you receive the following message:   "Specified Port cannot be added. The port already exists."  You want to create a new TCP/IP printer port.  What should you do? （）

• A、Change the LPT port setting to enable legacy Plug and Play detection on your computer.
• B、Delete the existing printer port.
• C、Change the LPT port setting to bidirectional in the BIOS on your computer.
• D、Obtain and install the WDM-compliant device drivers and printing software for the printer.

第9题：

第10题：

第11题：

第12题：

第13题：

Which ports must be left open if an administrator plans to perform Dynamic LPAR operations？（）

• A、 port 21（ftp）：tcp and port 657（rmc）：tcp
• B、 port 22（ssh）：tcp and port 657（rmc）：udp
• C、 port 657（rmc）：tcp and port 657（rmc）：udp
• D、 port 161（snmp）：tcp and port 161（snmp）：udp

第14题：

A customer has successfully upgraded their System x servers. Now the are very concerned about their applications. They have a historical collection of various applications that do not interact. Which of the following should the sales professional suggest？（）

• A、Rewrite applications using Linux to limit licensing fees
• B、Port applications toanAIX or UNIX server to conserve energy and floor space
• C、SAP or similar all encompassing applications
• D、Webenable all applications

第15题：

Which statement correctly describes the Cisco implementation of RSTP？ （）

• A、PortFast， UplinkFast， and BackboneFast specific configurations are ignored in Rapid PVST mode.
• B、RSTP is enabled globally and uses existing STP configuration.
• C、Root and alternative ports transition immediately to the forwarding state.
• D、Convergence is improved by using sub-second timers for the blocking， listening， learning， and forwarding port states.

第16题：

The following was configured on a switch：  Switch（config） # spanning-tree portfast bpdufilter default  What is the effect of this configuration command？（）

• A、If BPDUs are received by a port configured for PortFast， they are ignored and none are sent.
• B、The command will enable BPDU filtering on all ports regardless of whether they are configured for BPDU filtering at the interface level.
• C、If BPDUs are received by a port configured for Portfast， the port will transition to forwarding state.
• D、If BPDUs are received by a port configured for PortFast， then PortFast is disabled and the BPDUs are processed normally.
• E、None of the other alternatives apply.

第17题：

Which two statements concerning STP state changes are true？ （）

• A、Upon bootup，a port transitions from blocking to forwarding because it assumes itself as root.
• B、Upon bootup，a port transitions from blocking to listening because it assumes itself as root.
• C、Upon bootup，a port transitions from listening to forwarding because it assumes itself as root.
• D、If a forwarding port receives no BPDUs by the max_age time limit， it will transition to listening.
• E、If a forwarding port receives an inferior BPDU， it will transition to listening.
• F、If a blocked port receives no BPDUs by the max_age time limit， it will transition to listening.

第18题：

A technician who separated two departments using VLANs now discovers that the VLANs cannot communicate with each other. Which of the following does the technician need to enable communication between the VLANs?（）

• A、Port spanning
• B、VLAN concentrator
• C、Firewall
• D、Router

第19题：

You have an Exchange Server 2010 server that has IMAP4 enabled.All users connect to the Exchange server by using an IMAP4 client.You need to verify whether users can send e-mail to the Internet by using the Exchange server. What should you do？（）

• A、From the server， run the Test-ImapConnectivity cmdlet.
• B、From the server， run the Test-OutlookConnectivity cmdlet.
• C、From a client， attempt a connection to TCP port 143 by using Telnet.
• D、From a client， attempt a connection to TCP port 587 by using Telnet.

第20题：

You have a computer running Windows 2000 Professional. You have purchased a new USB scanner. You attached it to the USB port. When you go to device manager to see the status of the USB port， you did not find any USB controller there. What should you do to resolve this problem？（）

• A、Update the scanner drivers using certified drivers
• B、Enable the USB port in the computers BIOS
• C、Enable the USB hub controller in device manager.
• D、Reinstall the USB device driver and disable the USB error detection

第21题：

第22题：

第23题：

第24题：