A.Administratively shut down the interfaces.
B.Physically secure the interfaces.
C.Configure a virtual terminal password and login process.
D.Enter an access list and apply it to the terminal interfaces using the access-class command.
E.Create an access list and apply it to the terminal interfaces using the access-group command.
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Refer to the exhibit. Which statement describes DLCI 17?()
A.DLCI 17 describes the ISDN circuit between R2 and R3.
B.DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.
C.DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
D.DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.
A.It checks the configuration register
B.It attempts to boot from a TFTP server
C.It loads the first image file in flash memory
D.It inspects the configuration file in NVRAM for boot instructions
A.access-list 50 deny 192.168.1.1 0.0.0.255
B.access-list 110 permit ip any any
C.access-list 2500 deny tcp any host 192.168.1.1 eq 22
D.access-list 101 deny tcp any host 192.168.1.1
A.ipv6 host
B.ipv6 unicast-routing
C.ipv6 local
D.ipv6 neighbor
A.For the two vlans to communicate,a network statement for the trunk interface needs to be added to the OSPF configuration.
B.For the two vlans to communicate, a network statement for each subinterface needs to be added to the OSPF configuration.
C.Direct inter-vlan communication does not require OSPF
D.OSPF cannot be used if router-on-a-stick is configured on the router
A.multicast
B.broadcast
C.allcast
D.podcast
E.anycast
A.spanning-tree mode rapid-pvst
B.spanning-tree uplinkfast
C.spanning-tree backbonefast
D.spanning-tree mode mst
Refer to the exhibit.Two routers have just been configured by a new technician. All interfaces are up. However, the routers are not sharing their routing tables. What is the problem?()
A.Split horizon is preventing Router2 from receiving routing information from Router1.
B.Router1 is configured for RIP version 2,and Router2 is configured for RIP version 1.
C.Router1 has an ACL that is blocking RIP version 2.
D.There is a physical connectivity problem between Router1 and Router2.
E.Router1 is using authentication and Router2 is not.
A.255.255.255.240
B.255.255.255.254
C.255.255.255.252
D.255.255.255.0
E.255.255.255.248
A.Flash,TFTP server,ROM
B.Flash,NVRAM,ROM
C.ROM,NVRAM,TFTP server
D.NVRAM,TFTP server,ROM
E.TFTP server,Flash,NVRAM
最新試題
請參見圖示。RouterB 已經(jīng)過正確配置。RouterA 的以太網(wǎng)接口Fa0/0已使用如圖所示的命令進行配置。但是,從RouterA 的Fa0/0接口無法成功ping 通RouterB 的Fa0/0接口。應(yīng)在RouterA 上采取什么措施來解決此問題?()
在配置路由器時,網(wǎng)絡(luò)技術(shù)人員想要命名路由器。輸入hostname 命令后,技術(shù)人員會看到下列哪一項提示?()
請參見圖示。圖中所示路由表所屬的PC 已正確配置。IP 地址192.168.1.254屬于哪一個網(wǎng)絡(luò)設(shè)備或接口?()
請參見圖示。主機A 正在訪問多臺服務(wù)器。結(jié)合使用什么端口號和地址即可唯一識別特定服務(wù)器上運行的特定進程?()
請參見圖示。主機A 和B 無法互相通信。此問題的原因是什么?()
OSI 模型的哪兩項功能在第2層實現(xiàn)?()
請參見圖示。已啟用路由器的NAT 功能供PC 訪問Internet??梢詾槁酚善鹘涌赟0/0/0分配下列哪一個IP 地址?()
PC 無法連接到任何遠程網(wǎng)站,無法ping 通其默認網(wǎng)關(guān),也無法ping 通本地網(wǎng)段中工作正常的打印機。以下哪項操作可以確認此PC 上的TCP/IP 協(xié)議棧是否工作正常?()
OSI 哪一層可提供有序的數(shù)據(jù)重構(gòu)服務(wù)?()
請參見圖示。主機A 嘗試與主機C 建立TCP/IP 會話。在嘗試期間,路由器Y 的FastEthernet 接口fa0/1捕獲到一個幀。捕獲的幀中包含源IP 地址為172.16.1.5而目的IP 地址為172.16.7.24的數(shù)據(jù)包。捕獲該幀時,它的源MAC 地址是什么?()