更多"[单选题]A cisco router is booting and "的相关试题:
[单选题]下列哪个命令能够在全局模式查看的 Cisco 路由器连接 是否为Cisco设备?
A. enable cdp
B. cdp enable
C. cdp run
D. run cdp
[单选题]黎明广场CISCO15454E第13槽位2.5G板卡第一个端口连接（ ）的CISCO15454E第5槽位2.5G板卡第一个端口，完成光传输环结构。
A.十三号街
B.青年大街
C.OCC
D.车辆段
[多选题]Cisco6506E是Cisco中高端交换机，它主要由（ ）、风扇、静电地保护组成。
A.业务板
B.双引擎
C.双电源
D.2.5G
[单选题]
Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of aBPDU?
A. BackboneFast
B. UplinkFast
C. Root Guard
D. BPDU Guard
E. BPDU Filter
[单选题]
Which statement about vlan operation on cisco catalyst switches is true?
A. when a packet is received from an 802..1.Q trunk,the vlan id can be determined from the source MACaddress table.
B. unkown unicast frames are retransmitted only to the ports that belong to the same vlan
C. ports between switches should be configured in access mode so that vlans can span across the ports
D. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.
[单选题]
Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?
A. show running-config
B. show processes cpu
C. debug all
D. logging host ip address
[多选题]Which two statements describe the Cisco implementation of VLANs? (Choose two.)
A. VLAN 1. is the default Ethernet VLAN.
B. CDP advertisements are only sent on VLAN 100.2..
C. By default, the management VLAN is VLAN 100.5..
D. By default, the switch IP address is in VLAN 100.5..
E. VLAN 100.2. through 100.5. are automatically created and cannot be deleted.
[多选题]
Which two privileged mode cisco ios commands can be used to determine a cisco router chassis serial
Number?(choose two)
A. show inventory
B. show flash:filesys
C. dir flash:|include chassis
D. show diag
E. show controllers
[单选题]
Which cisco ios command can help to determine the timing of various debug events,relative to each other,
When you are debugging a complicated router issue?
A. service timestamps debug datetime msec
B. show clock detail
C. clock calendar-valid
D. service timestamps log datetime msec
[简答题]描述移除Cisco6506E设备上板卡步骤？
[多选题]
Which two Cisco IOS commands ,used in troubleshooting,can enable debug output to a remote location?(choose two)
A. no logging console
B. terminal monitor
C. logging host ip-address
D. snmp-server enable traps syslog
E. show logging | redirect flash:output.txt
[多选题]
By default, each port in a Cisco Catalyst switch is assigned to VLAN1.. Which two recommendations arekey to avoid unauthorized management access? (Choose two.)
A. Create an additional ACL to block the access to VLAN 1..
B. Move the management VLAN to something other than default.
C. Move all ports to another VLAN and deactivate the default VLAN.
D. Limit the access in the switch using port security configuration.
E. Use static VLAN in trunks and access ports to restrict connections.
F. Shutdown all unused ports in the Catalyst switch.
[简答题]哪些系统与DCS子系统接口通过CISCO3560设备？
[单选题]
Refer to the exibit. Three cisco 295.0. switches are set to their default priority settings.During the spanningtree
Process,which switch will be elected as the root bridge?
A. Switch3.
B. Switch4.
C. Switch2.
D. Switch1.
[单选题]Cisco 15454E设备TCC2P控制卡失效时（ ）指示。
A.FAIL
B.NORMAL
C.REN
D.PWR
[单选题]CISCO6506E设备中用来管理无线AP的板卡是（ ）。
A.WS-SUP720-3B
B.WISM
C.WS-X6724-SFP
D.WS-C6506-E-FAN
[判断题]Cisco6506E设备引擎Supervisor Engine 720和业务板卡WS-X6724-SFP支持设备在线热插拔。
A.正确
B.错误
[判断题]沈阳地铁一号线中，ML1000板卡安装在Cisco15454E设备。
A.正确
B.错误
[单选题]在Cisco的三层模型中，核心层的主要任务是（ ）。
A.通过一定的路由算法选择一个好的通信链路把局传送出去
B.处理一些非正常分组，把应该丢弃的分组直接丢弃，保证网络带宽不被浪费
C.确保网络可以高速、可靠地进行数据传输
D.提供WAN接入
