多选题Which three statements about Label-Switched Paths （LSPs） are true？ （）ALSPs are bidirectional.BLSPs are unidirectional.CLSPs can be signaled by CAC.DLSPs can be configured explicitly.ELSPs can be configured dynamically.

第1题：

Which two statements about the WLAN Solution Engine （WLSE） are true？（）

• A、WLSE supports centralized configuration. 
• B、WLSE supports distributed configuration.
• C、WLSE can pick up statistics on a device even if the device is not properly configured.
• D、WLSE can be used to upgrade the firmware on APs and bridges.
• E、WLSE monitors device fault and performance conditions but cannot report any policy misconfigurations

第2题：

Which two statements about MPLS label-switched paths (LSPs) are true? （）

• A、LSPs are bidirectional.
• B、LSPs are unidirectional.
• C、LSPs must follow the IGP's shortest path.
• D、LSPs can follow paths other than the IGP's shortest path.

第3题：

Which three statements about the Cisco MPLS TE Fast Reroute （FRR） process are true？（）

• A、TE tunnels that are configured with the FRR option cannot be used as backup tunnels.
• B、TE tunnels that are configured with the FRR option can be used as backup tunnels.
• C、The backup tunnel that is used to protect a physical interface must have a valid IP address configured.
• D、Interfaces must use MPLS global label allocation.
• E、The source IP address of use backup tunnel and the merge point （MP） should not be reachable.

第4题：

Which two statements are true about the configuration of voice VLANs？（）

• A、Static secure MAC addresses can be configured in conjunction with voice VLANs.
• B、PortFast is automatically enabled when voice VLANs are configured.
• C、PortFast must be manually configured when voice VLANs are configured.
• D、Voice VLANs are typically configured on uplink ports.
• E、Voice VLANs are typically configured on access ports.

第5题：

Each port that is configured to use LACP has an LACP port priority. Which statements are true about LACP port priority？ （）

• A、 Port priority value can be configured between 1 and 65535.
• B、 A higher port priority value means a higher priority of LACP.
• C、 Port priority can be configured so that specific links can be chosen as active links rather than the hot standby links within the port channel.
• D、 LACP uses the port priority with the port number to form the port identifier.
• E、 LACP Port priority default value should always be changed

第6题：

Which three statements about Label-Switched Paths （LSPs） are true？ （）

• A、 LSPs are bidirectional.
• B、 LSPs are unidirectional.
• C、 LSPs can be signaled by CAC.
• D、 LSPs can be configured explicitly.
• E、 LSPs can be configured dynamically.

第7题：

Which two statements about the Adaptive Services PIC are true? （）

• A、The Adaptive Services PIC supports the Layer 3 service package by default.
• B、The Adaptive Services PIC is required when using the secure shell to access an M-series router.
• C、The Adaptive Services PIC can be configured for the Layer 2 and Layer 3 service packages simultaneously.
• D、The Adaptive Services PIC can be configured for either the Layer 2 or the Layer 3 service package but not both at the same time.

第8题：

Which statement is true about the configuration of AutoQoS on a Frame Relay interface？（）

• A、AutoQoS can be configured from a different subinterface if the DLCI is already assigned to one subinterface 
• B、Multilink PPP (MLP) over Frame Relay must be manually configured on low speed DLCIs 
• C、for low-speed Frame Relay DLCIs with Frame Relay-to ATM interworking, the AutoQoS cannot be configured if a virtual template is already configured for the DLCI 
• D、AutoQoS can be configured on a Frame Relay DLCI only if a map class is attached to the DLCI 

第9题：

Private VLANS can be configured as which three of these port types？（）

• A、isolated
• B、protected
• C、private
• D、associated
• E、promiscuous
• F、munity

第10题：

Which three statements are true about Cisco IOS Firewall？（）

• A、It can be configured to block Java traffic.
• B、It can be configured to detect and prevent SYN-flooding denial-of-service （DoS） network attacks.
• C、It can only examine network layer and transport layer information.
• D、It can only examine transport layer and application layer information.
• E、The inspection rules can be used to set timeout values for specified protocols.
• F、The ip inspect cbac-name command must be configured in global configuration mode.