单选题Which command must be globally enabled on a Cisco router to support IPv6?（）A ip routing ipv6B ipv6 unicast - routingC ipv6 routingD ip classlessE ipv6 cef

第1题：

Which two Cisco AutoQoS configuration statements are true？ （）

• A、the auto discovery qos command is supported on serial interfaces， subinterfaces， and virtual interfaces
• B、CEF must be enabled before configuring the auto discovery qos command
• C、the auto discovery qos privilege EXEC command must be configured on a router for several days to collect a sampling of data traffic
• D、the auto qos trust command relies on NBAR to provide VoIP classification
• E、the auto qos voip command configures the voip classification on routers and switches

第2题：

Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to aninterface？ （Choose all that apply.）（）

• A、The interface must be configured as a Multilink PPP interface
• B、The correct bandwidth should be configured on the interface
• C、A QoS policy must not be currently attached to the interface
• D、CEF must be enabled
• E、AutoQoS must be enabled globally before it can be enabled on the interface
• F、An IP address must be configured on the interface if its speed is equal to or less than 768 kbps

第3题：

第4题：

Which statement describes the process ID that is used to run OSPF on a router ?（）

• A、It is locally significant and must be the same throughout an area
• B、It is globally significant and is used to represent the AS number
• C、It is locally significant and is used to identify an instance of the OSPF database
• D、It is globally significant and is used to identify OSPF stub areas

第5题：

You are a network technician at Certpaper.com. Which description is correct when you have generated RSA keys on your Cisco router to prepare for secure device management？（）

• A、You must then specify the general-purpose key size used for authentication with the crypto key generaters a general-keys modulus command.
• B、You must then zeroize the keys to reset secure shell before configuring other parameters.
• C、All vty ports are automatically enabled for SSH to provide secure management.
• D、The SSH protocol is automatically enabled.

第6题：

Which of the following is not an essential prerequisite for AutoQoS to be correctly applied to an interface（）

• A、The interface must be configured as a Multilink PPP interface.
• B、The correct bandwidth should be configured on the interface.
• C、A QoS policy must not be currently attached to the interface.
• D、CEF must be enable
• E、AutoQoS must be enabled globally before it can be enabled on the interface.
• F、An IP address must be configured on the interface if its speed is equal to or less than 768 kbps.

第7题：

Which three options are prerequisites to configuring Cisco AutoOoS？（）

• A、Cisco Express Forwarding （CEF） must be globally enabled.
• B、Prior to the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces.
• C、After the enabling of the Cisco AutoOoS feature， the bandwidth command must be applied on all interfaces or subinterfaces .
• D、OoS policies must be enabled on all interfaces that will participate in the AutoOoS configuration.
• E、An IP address must be configured on all low-bandwidth interfaces （768 kb/s or lower） that will participate in the AutoOoS configuration
• F、An IP address must be configured on all interfaces that will participate in the AutoOoS configuration

第8题：

第9题：

Which of the following commands on the wireless interface of a cisco 3845 integrated services router allows the ssid to broadcast？（）

• A、router （config-ssid）# guest-mode
• B、router （config-ssid）# advertise
• C、router （config-ssid）# enable
• D、router （config-ssid）# broadcast

第10题：

Which command would you configure globally on a Cisco router that would allow you to view directly connected Cisco devices?（）

• A、enable cdp
• B、cdp enable
• C、cdp run
• D、run cdp