单项选择题

You work as a network engineer for. You study the exhib……

You work as a network engineer for. You study the exhibit carefully. You have configured an interface to be an SVI for Layer 3 routing capabilities. Assuming that all VLANs have been correctly configured and based on the configuration example shown，
what can be determined？（）
Exhibit：

A.Interface gigabitethernet0/2 will be excluded from Layer 2 switching and enabled for Layer 3 routing.
B.The interface is missing IP configuration parameters； therefore， it will only function at Layer 2.
C.The command switchport autostate exclude should be entered in global configuration mode， not sub-interface mode， to enable a Layer 2 port to be configured for Layer 3 routing.
D.The configured port is excluded in the calculation of the status of the SVI.

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单项选择题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.

单项选择题Whatistrueofstandardaccesscontrollistswhenappliedtoaninterfacetocontrolinboundoroutboundtraffic？（）

A.The best match of the ACL entries will be used for granularity of control.
B.They use source IP information for matching operations.
C.They use source and destination IP information for matching operations.
D.They use source IP information along with protocol-type information for finer granularity of control.

单项选择题WhenconfiguringaroutedportonaCiscomultilayerswitch，whichoftheseisarequiredconfigurationtaskthatyoumustperformtoenablethatporttofunctionasaroutedport？（）

A.Enable the switch to participate in routing updates from external devices with the router command in global configuration mode.
B.Enter the no switchport command to disable Layer 2 functionality at the interface level.
C.Each port participating in routing of Layer 3 packets must have an IP routing protocol assigned on aperinterface level.
D.Routing is enabled by default on a multilayer switch， so the port can become a Layer 3 routing interface by assigning the appropriate IP address and subnet information.

单项选择题WhatbenefitresultsfromimplementationofLayer3switchingversusLayer2switchinginafullymeshedcampusnetwork？（）

A.ease of IP address assignment versus use of external routers
B.redundancy from trunking between distribution layer switches
C.provides first-hop redundancy to clients
D.allows inter-VLAN communication without requiring complexity of routing protocols

单项选择题You work as a network engineer for . You study the exhibit carefully. What best describes the Cisco IOS IP SLA command and output in the exhibit？（）

A.verifies which operation types have been enabled for IP SLA source
B.verifies which operation types have been enabled for IP SLA responder
C.verifies which operation types are supported in software
D.verifies enabled operation types that are not running