单选题Which statement is true when logging in using the WebUI? （）A Port 80 for HTTP is enabled by default.B Port 443 for HTTPS is enabled by default.C Port 8090 for HTTP is enabled by default.D Both HTTP and HTTPS are enabled using their standard port values

第1题：

Which of the following characteristics describe the BPDU Guard feature（）

• A、ABPDU Guard port should only be configured on ports with PortFast enabled.
• B、BPDU Guard and PortFast should not be enabled on the same port.
• C、BPDU Guard is used to ensure that superior BPDUs are not received on a switch port.
• D、ABPDU Guard port receiving a BPDU will go into err-disablestate.
• E、ABPDU Guard port receiving a BPDU will be disabled.
• F、BPDU Guard can be enabled on any switch port.

第2题：

Switch R1 has been configured with the root guard feature.  What statement is true if the spanning  tree enhancement Root Guard is enabled？ （）

• A、 If BPDUs are not received on a non-designated port， the port is moved into the STP loop- inconsistent blocked state
• B、 IF BPDUs are received on a PortFast enabled port， the port is disabled.
• C、 If superior BPDUs are received on a designated port， the interface is placed into the root- inconsistent blocked state.
• D、 If inferior BPDUs are received on a root port， all blocked ports become alternate paths to the  root bride.

第3题：

第4题：

Which two statements are true about BPDU port-guard and BPDU filtering？（）

• A、BPDU port-guard can be enabled globally， whereas BPDU filtering must be enabled on a per-interface basis.
• B、When globally enabled， BPDU port-guard and BPDU filtering apply only to PortFast enabled ports.
• C、When globally enabled， BPDU port-guard and BPDU filtering apply only to trunking-enabled ports.
• D、When a BPDU is received on a BPDU port-guard enabled port， the interface goes into the err-disabled state.
• E、When a BPDU is received on a BPDU filtering enabled port， the interface goes into the err-disabled state.
• F、When a BPDU is received on a BPDU filtering enabled port， the interface goes into the STP blocking state.

第5题：

Which two statements correctly describe UDLD？ （）

• A、Unidirectional link detection is achieved through monitoring STP BPDUs.
• B、It is recommended that it be enabled globally rather than on an individual port.
• C、When an error is detected， normal mode will disable a port.
• D、It is recommended that it be enabled in normal mode.
• E、It is recommended that it be used with the loop guard feature.

第6题：

Access Point R1 is an Aironet 1200 that has been converted from autonomous mode to LWAPP  mode. After this conversion， which two statements are true？ （）

• A、 LWAPP-enabled access points can still communicate with Wireless Domain Services （WDS）  devices.
• B、 An LWAPP-enabled access point console port provides read-only access to the unit.
• C、 LWAPP-enabled access points support Layer 2 LWAPP.
• D、 LWAPP-enabled access points must get an IP address and discover the controller using  DHCP， DNS， or an IP subnet broadcast.
• E、 An LWAPP-enabled access point console port provides read-write access to the unit.

第7题：

Which three flow-control port states lead to enabled link flow control？ （）

• A、 Receive port： Enabled， Transmit port： Enabled
• B、 Receive port： Enabled， Transmit port： Desired
• C、 Receive port： Enabled， Transmit port： Disabled
• D、 Receive port： Disabled， Transmit port： Desired
• E、 Receive port： Desired， Transmit port： Desired

第8题：

第9题：

A banking customer has a firewall between their AMM and the remote console which is used to configure the chassis and blades. Due to security concerns, port 80 (http) is being blocked, denying any http access to the AMM. Which of the following would facilitate remote communication with the AMM using a GUI interface?（）

• A、port 443 - SSL connection 
• B、port 8080 ?http 
• C、port 22 - SSH CLI 
• D、port 427 - SLP connection

第10题：

If a certificate authority trustpoint is not configured when enabling HTTPS and the remote HTTPS server requires client authentication， connections to the secure HTTP client will fail. Which command must be enabled for correct operation？（）

• A、ip http client secure-ciphersuite 3des-ede-cbc-sha
• B、ip https max-connections 10
• C、ip http timeout-policy idle 30 life 120 requests 100
• D、ip http client secure-trustpoint trustpoint-name