During role-based CLI configuration， what must be enabled be

第1题：

第2题：

You have configured a Cisco Catalyst switch to perform Layer 3 routing via an SVI and have  assigned that interface to VLAN 20. To check the status of the SVI， you issue the show interfaces vlan 20 command at the CLI prompt. You see from the output display that the interface is in an "up/up" state.  What must be true in an SVI configuration to bring the VLAN and line protocol up？（）

• A、The port must be physically connected to another Layer 3 device.
• B、At least one port in VLAN 20 must be active.
• C、The Layer 3 routing protocol must be operational and receiving routing updates from neighboring peer devices.
• D、Because this is a virtual interface， the operational status will always be in an "up/up" state.

第3题：

第4题：

What is a limitation of implementing uRPF？（）

• A、MPLS LDP must be enabled.
• B、BGP routing protocol must be running.
• C、Named access-lists must be configured.
• D、Symmetrical routing is required.
• E、Domain name must be defined

第5题：

You want to log in to the router and make a configuration change. After logging in as the root user, what is the next command you must enter?（）

• A、enable
• B、configure
• C、edit
• D、cli

第6题：

he Clinton Howe Weights and Measures Company wants to send CDRs to a syslog server. Which two options are required?（）

• A、The CDR collection must be enabled from the CLI. 
• B、The syslog server IP address must be configured using the logging command. 
• C、The CDRs must be sent to the syslog server using the gw-accounting syslog command. 
• D、The logging file must be initialized using the logging buffered command.

第7题：

Which three statements best describe multicast operation on Cisco Nexus switches in a data center？（）

• A、 Cisco NX-OS Software does not support PIM dense mode.
• B、 The command ip multicast-routing must be enabled in Cisco NX-OS Software before any multicast configuration is possible on the switch.
• C、 PIM CLI configuration and verification commands are not available until you enable the PIM feature with the feature pim command.
• D、 Cisco NX-OS Software supports multicast routing per Layer 3 VRF instance.
• E、 The default PIM operational mode on the Cisco Nexus 7000 switch is SSM.

第8题：

第9题：

What should be enabled before any user views can be created during role-based CLI configuration ？（）

• A、aaa new-model command
• B、secret password for the root user
• C、usernames and passwords
• D、multiple privilege levels

第10题：

During role-based CLI configuration， what must be enabled before any user views can be created？（）

• A、multiple privilege levels
• B、usernames and passwords
• C、aaa new-model command
• D、secret password for the root user
• E、HTTP and/or HTTPS server