路由器A的配置如下： Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ip ospf enable area 0.0.0.1 ! interface Serial0 clock-select DTECLK1 encapsulation ppp ip address 2.1.1.1 255.0.0.0 ip ospf enable area 0.0.0.1 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router ospf enable ! end 路由器B配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ip ospf enable area 0.0.0.2 ! interface Serial0 encapsulation ppp ip address 2.1.1.2 255.0.0.0 ip ospf enable area 0.0.0.2 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router ospf enable ! End 如下说法正确的是A、两端广域网可以联通，但局域网不可以连通 B、两端广域网不可以连通，但局域网可以连通 C、广域网和局域网都可以连通 D、广域网和局域网都不能连通
路由器A的配置如下： Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ip ospf enable area 0.0.0.1 ! interface Serial0 clock-select DTECLK1 encapsulation ppp ip address 2.1.1.1 255.0.0.0 ip ospf enable area 0.0.0.1 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router ospf enable ! end 路由器B配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ip ospf enable area 0.0.0.2 ! interface Serial0 encapsulation ppp ip address 2.1.1.2 255.0.0.0 ip ospf enable area 0.0.0.2 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router ospf enable ! End 如下说法正确的是
A、两端广域网可以联通，但局域网不可以连通 B、两端广域网不可以连通，但局域网可以连通 C、广域网和局域网都可以连通 D、广域网和局域网都不能连通
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●试题一根据下面给出的一个VLAN的实例，回答问题。某IT公司现有行政部、技术部、市场部。VLAN的划分：行政部VLAN10，技术部VLAN20，市场部VLAN30，各部门之间还可以相互通讯。现有设备为：Cisco 3640路由器Cisco Catalyst 2924交换机一台，二级交换机若干台。交换机配置文件中的部分代码如下：……！interface vlan10ip address 192.168.0.1！interface vlan20ip address 192.168.1.1！interface vlan30ip address 192.168.2.1！……路由器配置文件中的部分代码如下：……interface FastEthernet 1／0.1encapsulation isl 10ip address 192.168.0.2！interface FastEthernet 1／0.2encapsulation isl 20ip address 192.168.1.2！interface FastEthernet 1／0.3encapsulation isl 30ip address 192.168.2.2！……！router ripnetwork 192.168.0.0！［问题1］何谓VLAN?［问题2］VLAN有哪几种划分方法?［问题3］interface vlan10 ip address 192.168.0.1代表什么含义?［问题4］interface FastEthernet 1／0.1代表什么含义?［问题5］VLAN的标准有哪些?
根据下面给出的一个VLAN的实例，回答问题。某IT公司现有行政部、技术部、市场部。VUN的划分：行政部VLAN10，技术部 VI且N20，市场部VLAN30，各部门之间还可以相互通讯。现有设备为：Cisco 3640路由器、 Cisco Catdyst 2924交换机一台以及二级交换机若干台。交换机配置文件中的部分代码如下：....!interface vlan10ip address 192.168.0.1!interface vlan20ip address 192. 168.1.1!interface vlan30ip address 192.168.2.1!....路由器配置文件中的部分代码如下:....interface Fast Ethernet 1/0.1encapsulation is1 10ip address 192.168. O.2interface Fast Ethernet 1/0.2encapsulation is1 20ip address 192.168.1.2interface Fast Ethernet 1/0.3encapsulation isl 30ip address 192.168.2.2router ripnetwork 192. 168. O. 0何谓VLAN?
下面是某路由器的部分配置信息，解释(n)处标有下划线的含义。【配置路由器信息】Current configuration：!version 11.3no service password-encryption!hostname r1//第(1)处!enable password 123456//第(2)处!interface Ethemet0ip address 192.4.1.1 255.255.255.0!interface Sefta10ip address 192.3.1.1 255.255.255.0encapsulation frame-relay IETF//第(3)处no ip mroute-cachebandwidth 4000//第(4)处frame-relay map ip 192.163.0.2 100 broadcast//第(5)处frame-relay lmi-type cisco!router ospf 1//第(6)处network 202.1.1.0 0.0.0.255 area 0//第(7)处network 202.3.1.0 0.0.0.255 area 0network 202.4.1.0 0.0.0.255 area 0neighbor 202.1.1.2//第(8)处!……End
下面是某路由器的部分配置信息，解释标有下划线部分地含义。【配置路由器信息】Current configuration:！version 11.3no Service password - encryption！hostname routerl 第 【5】 处！enable password pwd12345 第 【6】 处！interface Ethenmet0ip address 192.4.1.1 255.255.255.0！interface serial0ip address 192.3.1.1.255.255.0encansulation frame. - relay IETFno ip route - cachebandwidth 2000 第 【7】 处frame. - relay map ip 192.3.1.2 100 broadcastframe - relay Imi - type cisco！router ospf 1 第 【8】 处network 192.1.1.0.0.0.0.255 area 0 第 【9】 处network 192.3.1.0.0.0.0.255 area 0network 192.4.1.0.0.0.0.255 area 0neighbor 192.1.1.2 第 【10】 处！End
[说明]下面是某路由器的部分配置信息，解释部分语句的含义。[配置路由器信息]Current configuration：!hostname router1isdn switch-type basic-net3 (1)!interface Ethernet0ip address 10.0.0.1 255.255.255.0ip nat inside (2)!interface bri 0ip address negotiated (3)ip nat outsideencapsulation PPPPPP authentication pap callin (4)PPP multlink (5)dialer-group 1dialer string 2633PPP pap sent-username 263 password 263 (6)ip route 0.0.0.0 0.0.0.0 bri 0access-list 2 permit any (7)dialer-list 1 protocol ip permit (8)ip nat inside source list 2 interface bri 0 overload (9)……End
以下是使用E1线路实现多个64Kbit/s专线连接。当链路为T1时，channel-group编号为0～23，Timeslot范围为1～24；当链路为E1时， channel-group编号为0～30，Timeslot范围为1～31。路由器具体设置如下：Current configuration:version 11.2no service udp-small-serversno service tcp-small-servers!hostname router1!enable secret 5 $ 1 $ XN08 $ Ttr8nfLoP9.2RgZhcBzkk/enable password cisco!!ip subnet-zerocontroller E1 0framing NO-CRC4channel-group 0 timeslots 1channel-group 1 timeslots 2channel-group 2 timeslots 3!interface Ethernet0ip address 133.118.40.1 255.255.0.0media-type 10BaseTinterface Ethernet1no ip addressshutdowninterface Serial0:0ip address 202.119.96.1 255.255.255.252encapsulation hdlcno ip mroute-Cacheinterface Serial0:1ip address 202.119.96.5 255.255.255.252encapsulation hdlcno ip mroute-Cache!interface Serial0:2ip address 202.119.96.9 255.255.255.252encapsulation hdlcno ip mroute-Cacheno ip classlessip route 133.210.40.0 255.255.255.0 Serial0:0ip route 133.210.41.0 255.255.255.0 Serial0:1ip route 133.210.42.0 255.255.255.0 Serial0:2line con 0line aux 0line vty 0 4password cicsoIogin!endE1和CE1的主要区别是什么?
下表是该系统中路由器的IP地址分配表。请根据上图完成以下R3路由器的配置：R3(config)interface e0/1(进入接口e0/1配置模式)R3(coafig-if) ip address 202.115.13.254(4)(设置IP地址和掩码)R3(config) interface s0/0(进入串口配置模式)R3(config-if) ip address(5)255.255.255.0(设置IP地址和掩码)R3(config) interface s0/1R3(config-if)ip address(6)255.255.255.0R3(config) interface s0/2R3(eonfig-if)ip address(7)255.255.255.0R3(config) interface s0/3R3(eonfig-if)ip address(8)255.255.255.0R3(config) interface s0/4R3(config-if)ip address(9)255.255.255.0R3(config) interface s0/5R3(config-if) ip address(10)255.255.255.0
下面是某路由器的部分配置信息，解释(n)处标有下划线的部分含义。RouterconfigRouter wg confighosmame wgShanghaiRouterconfig／Wg configsecret ccidnet ／／设置用户登录口令为ccidnetWg configvty password ／／设置登录方式为口令登录(默认方式)interface serial 0 ／／选择配置串行口ip address 10．1．1．1 255．255．255．0 (1)encapsulation hdlc (2)interface serial l ／／选择配置串行口encapsulation slip／／封装slip协议physical—layer async物理层封装异步方式ip address 10．1．1．2 255．255．255．0 ／／指定串行口的II，地址和子网掩码port speed 57600 (3)interface serial 0 ／／选择配置串行口encapsulation frame—relay (4)ip address 10．1．1．1 255．255．255．0 ／／指定串行口的IP地址和掩码frame—relay inff—type dte ／／指定为数据终端设备frame—relay Imi—type ansi ／／指定LMI消息类型为ANSI标准frame—relay map ip 10．1．1．2 16 ／／映射对端IP地址和DLCI号interface ethernet 0 (5)ip address 10．3．1．254 255．255．255．0 ／／指定以太网口的IP地址和掩码1Ocal pool pooll 10．1．1．30 10．1．1．4010cal p00l p0012 10．1．1．51 10．1．1．60 ／／定义IP，地址池p0012Router(config)ip route 10．2．1．0 255．255．255．0 10．1．1．1Router ipNetwork 192．168．1．ONetwork 10．0．0．0Version 2
下面是某路由器的部分配置信息，解释(n)处标有下划线部分的含义。【配置路由器信息】Current configuration：!version 11.3no service password-encryption!hostname router5 第(1)处!enable password nwdl2345 第(2)处!interface Ethernet0ip address 192.4.1.1.255.255.255.0 第(3)处!interface Seria10ip address 192.3.1.1 255.255.255.0encapsulation frame-rocay IETFno ip mroute-cachebandwidth 2000 第(4)处frame-relaymanin 192.3.1.2100 broadcast 第(5)处frame-relaylmi-typecisco!router ospfl 第(6)处netword 192.1.1.0.0.0.0.255 area0 第(7)处network 192.3.1.0.0.0.0.255 area0network 192.4.1.0.0.0.0.255 area0neighbor 192.1.1.2 第(8)处!End
路由器A的配置如下： Quidway#SHOW RUN Current configuration ! user huawei service-type ppp password 0 quidway ! interface Ethernet0 ip address 1.1.1.1 255.0.0.0 ! interface Serial0 encapsulation ppp ppp authentication chap ppp chap host huawei ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60 end 路由器B的配置如下 Quidway#SHOW RUN Current configuration ! user hw service-type ppp password 0 quidway ! ip address 3.1.1.1 255.0.0.0 ! interface Serial0 clock-select DTECLK1 encapsulation ppp ppp chap host huawei ip address 1.1.1.2 255.0.0.0 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit ip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60 end 发现两端路由器不能PING同对端以太网端口，下述说法正确的是A、A验证配置错误 B、B验证配置错误 C、A验证方路由配置错误 D、B被验证方路由配置错误
路由器A配置如下： Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 1.1.1.1 255.0.0.0 ! clock-select DTECLK1 encapsulation x25 dte ietf x25 address 2111 x25 map ip 2.1.1.2 2112 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router rip ! end 路由器B配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! interface Ethernet0 ip address 3.1.1.1 255.0.0.0 ! interface Serial0 encapsulation x25 dce ietf x25 address 2112 x25 map ip 2.1.1.1 2111 ip address 2.1.1.2 255.0.0.0 ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router rip ! end 如下说法正确的是A、两端广域网可以联通，但局域网不可以连通 B、两端广域网不可以连通，但局域网可以连通 C、广域网和局域网都可以连通 D、广域网和局域网都不能连通
路由器A的配置为： Quidway#SHOW RUN Now create configuration... Current configuration ! frame-relay switching ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ip rip version 2 mcast ! interface Serial0 clock-select DTECLK1 encapsulation frame-relay frame-relay intf-type DCE frame-relay interface-dlci 100 ip address 2.1.1.1 255.0.0.0 ip rip version 2 mcast ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router rip no auto-summary neighbor 2.1.1.2 ! end 路由器B的配置为 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ip rip version 2 mcast ! interface Serial0 encapsulation frame-relay ip address 2.1.1.2 255.0.0.0 ip rip version 2 mcast ! interface Serial1 encapsulation ppp ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! exit router rip no auto-summary neighbor 2.1.1.1 ! End 如下说法正确的是A、两端广域网可以联通，但局域网不可以连通 B、两端广域网不可以连通，但局域网可以连通 C、广域网和局域网都可以连通 D、广域网和局域网都不能连通
路由器A的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.2.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 路由器B的配置如下 Quidway#SHOW RUN Now create configuration... Current configuration ! ! interface Ethernet0 ip address 10.1.1.1 255.255.0.0 ! interface Serial0 encapsulation ppp backup interface Serial 1 ip address 2.1.1.1 255.0.0.0 ! interface Serial1 encapsulation ppp ip address 3.1.1.1 255.0.0.0 ! interface Serial2 flowcontrol normal async mode dedicated encapsulation ppp ! Exit Router rip ! End 下述说法正确的是A、备份功能可以正常使用 B、备份功能不能正常使用 C、两端可以正常互联 D、两端不能正常互联
When an SRX series device receives an ESP packet, what happens?() A. If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, it willB. If the destination IP address in the outer IP header of ESP does not match the IP address of the ingress interface, it willC. If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based packet.D. If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based of inner header, it will decrypt the packet.
Which set of configuration commands illustrates the correct configuration steps for a PPP over ATM Interface?() A. interface atm 5/1.1 atm pvc 1 0 101 aal5autoconfig profile ppp generic autoconfig ipB. interface atm 5/1.1 atm pvc 1 0 101 aal5snap encapsulation ppp ppp authentication pap ip unnumbered loopback 1 ip access-routesC. interface atm 5/1.1 atm pvc 1 0 101 aalmux ip encapsulation ppp ppp authentication pap ip unnumbered loopback 1 ip access-routesD. interface atm 5/1.1 atm pvc 1 01 101 aal5snap encapsulation pppoa ppp authentication chap ip profile generic
路由器A的配置如下：Quidway#SHOW RUN (display current-configuration)Current configuration!user huawei service-type ppp password 0 quidway!interface Ethernet0ip address 1.1.1.1 255.0.0.0!interface Serial0encapsulation pppppp authentication chapppp chap host huaweiip address 2.1.1.1 255.0.0.0!interface Serial1encapsulation ppp!interface Serial2flowcontrol normalasync mode dedicatedencapsulation ppp!exitip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60end路由器B的配置如下Quidway#SHOW RUNCurrent configuration!user hw service-type ppp password 0 quidway!interface Ethernet0ip address 3.1.1.1 255.0.0.0!interface Serial0clock-select DTECLK1encapsulation pppppp chap host huaweiip address 1.1.1.2 255.0.0.0!interface Serial1encapsulation ppp!interface Serial2flowcontrol normalasync mode dedicatedencapsulation ppp!exitip route 0.0.0.0 0.0.0.0 2.1.1.2 preference 60end发现两端路由器不能PING同对端以太网端口，下述说法正确的是()A.A验证配置错误B.B验证配置错误C.A验证方路由配置错误D.B被验证方路由配置错误
路器A配置如下：Quidway#SHOW RUNNow create configuration...Current configuration!!interface Ethernet0ip address 1.1.1.1 255.0.0.0!interface Serial0clock-select DTECLK1encapsulation x25 dte ietfx25 address 2111x25 map ip 2.1.1.2 2112ip address 2.1.1.1 255.0.0.0!interface Serial1encapsulation ppp!interface Serial2flowcontrol normalasync mode dedicatedencapsulation ppp!exitrouter rip!end路由器B配置如下Quidway#SHOW RUNNow create configuration...Current configuration!!interface Ethernet0ip address 3.1.1.1 255.0.0.0!interface Serial0encapsulation x25 dce ietfx25 address 2112x25 map ip 2.1.1.1 2111ip address 2.1.1.2 255.0.0.0!interface Serial1encapsulation ppp!interface Serial2flowcontrol normalasync mode dedicatedencapsulation ppp!exitrouter rip!end如下说法正确的是 ()A.两端广域网可以联通，但局域网不可以连通B.两端广域网不可以连通，但局域网可以连通C.广域网和局域网都可以连通D.广域网和局域网都不能连通
Refer to the exhibit. Which statement is co rrect regarding the router configuration shown? () A. The router will rebroadcast any DHCP requests received by this interface out to all interfaces included in the ip helper - address commands.B. The router will rebroadcast any UDP broadcasts received by this interface out to all interfaces included in the ip helper - address commands.C. The router will unicast any DHCP requests received by this interface out to all addresses included in the ip helper - address commands.D. This configuration will not do anything because the ip helper - address command needs to also be applied to the 192.168.23.1 IP address.
On the assumption that every OSPF router in a particular area is configured with there is no loopback interface set?() A. The IP address of the first Fast Ethernet interface.B. The IP address of the console management interface.C. The highest IP address among its active interfaces.D. The lowest IP address among its active interfaces.E. There will be no router ID until a loopback interface is configured.
If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?() A. the IP address of the first Fast Ethernet interfaceB. the IP address of the console management interfaceC. the highest IP address among its active interfacesD. the lowest IP address among its active interfacesE. the priority value until a loopback interface is configured
If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）A、the IP address of the first Fast Ethernet interfaceB、the IP address of the console management interfaceC、the highest IP address among its active interfacesD、the lowest IP address among its active interfacesE、the priority value until a loopback interface is configured
如果路由器Serial接口通过PPP协议动态获得地址，则该接口下必须有的配置有（）。A、Ip address ppp-negotiateB、Link-protocol pppC、Ip address 10.1.1.230D、Remote address 10.1.1.1
In a cluster using /etc/hosts for name resolution， which of the following describes the minimum requirementsfor the /etc/hosts file？（）A、IP address and IP label of each service and boot interface in the clusterB、IP address and IP label of each service and boot interface in the cluster， loopback interface， and the hostname of the nodeC、IP address and IP label of each service and boot interface in the cluster， the loopbackinterface， and the cluster gatewayD、IP address and IP label of each service and boot interface in the cluster， the loopbackinterface， the cluster gateway， and the subnet network addresses
When an SRX series device receives an ESP packet, what happens?（）A、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, it willB、If the destination IP address in the outer IP header of ESP does not match the IP address of the ingress interface, it willC、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based packet.D、If the destination address of the outer IP header of the ESP packet matches the IP address of the ingress interface, based of inner header, it will decrypt the packet.
单选题On the assumption that every OSPF router in a particular area is configured with there is no loopback interface set?（）AThe IP address of the first Fast Ethernet interface.BThe IP address of the console management interface.CThe highest IP address among its active interfaces.DThe lowest IP address among its active interfaces.EThere will be no router ID until a loopback interface is configured.
多选题以下哪些命令可以用来查询配置和定位OSPF故障（）Adisplay current-configuration interface Ethernet0/0Bdisplay ip routing-table protocol ospfCdisplay ospf errorDdisplay current-configuration configuration ospf
单选题If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?（）Athe IP address of the first Fast Ethernet interfaceBthe IP address of the console management interfaceCthe highest IP address among its active interfacesDthe lowest IP address among its active interfacesEthe priority value until a loopback interface is configured