On the serial interface of a router, an inbound access list is configured to deny all traffic from UDP and TCP ports 21, 23, and 25. All other traffic is permitted. Based on this information, which types of traffic will be allowed through this interface?（）A、SMTPB、DNSC、FTPD、TelnetE、HTTPF、POP3
On the serial interface of a router, an inbound access list is configured to deny all traffic from UDP and TCP ports 21, 23, and 25. All other traffic is permitted. Based on this information, which types of traffic will be allowed through this interface?（）
- A、SMTP
- B、DNS
- C、FTP
- D、Telnet
- E、HTTP
- F、POP3
相关考题：
指定同/异步串口1和2的备份优先级分别为10和20的配置为()A.backup interface 1 10; backup interface 2 20B.backup interface serial 1 10; backup interface serial 2 20C.backup interface 1 priority 10; backup interface 2 priority 20D.backup interface serial 1 priority 10; backup interface serial 2 priority 20
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
Which CLI command displays FECN and BECN information on a Frame Relay interface configured on serial interface 4／0:3／1 ?() A.AB.BC.CD.D
根据以下的配置,请判断当主接口serial0 出故障后,哪一个备份接口最先被启用 ()Quidway(config-if-Serial0)#standby interface serial 1 30Quidway(config-if-Serial0)#standby interface serial 2 40Quidway(config-if-Serial0)#standby logic-channel 3 50Quidway(config-if-Serial0)#standby logic-channel 2 35A、serial1B、serial2C、logic-channel 2D、logic-channel 3
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
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A. Serial 0 is up, line protocol is upB. Serial 0 is up, line protocol is downC. Serial 0 is down, line protocol is downD. Serial 0 is down, line protocol is upE. Serial 0 is administratively down, line protocol is downF. Serial 0 is administratively down, line protocol is up
There is a connectivity problem between the serial 0/0 interface of router TESTKING1 and the serial 0/0 interface of TESTKING2. A leased line point to point circuit is installed between these two routers. The output from the show interface serial 0/0 command is displayed below for each of these routers:From your observations of the above exhibit, what is the underlying cause of the problem?（）A. The loopback is not set.B. The serial cable is faulty.C. The subnet mask is not configured properly.D. The IP address is not configured properly.E. The Layer 2 frame types are not compatible.F. The keepalive setting is not configured properly.
Usetheoutputfromtheroutershowninthegraphicabovetodeterminewhichofthefollowingarecorrect.() A.Router John uses alink-state routing protocol.B.Router John will receive routing updates on the Serial0/0 interface.C.Router John will receive routing updates on the Serial0/1 interface.D.Router John will send routing updates out the Serial0/0 interface.E.Router John will send routing updates out the FastEthernet0/0 interface.F.Router John will send routing updates out the Serial0/1 interface.
Use the output from the router shown in the graphic above to determine which of the following are correct.() A. Router John uses a link-state routing protocol.B. Router John will receive routing updates on the Serial0/0 interface.C. Router John will receive routing updates on the Serial0/1 interface.D. Router John will send routing updates out the Serial0/0 interface.E. Router John will send routing updates out the FastEthernet0/0 interface.F. Router John will send routing updates out the Serial0/1 interface.
Which command can be used to determine the type of cable attached to the Serial 0/0 interface on a router?（）A、show interfaces serial 0/0B、show running-configC、show versionD、show controllers serial 0/0E、show ip interfaceF、show line serial 0/0
What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）A、It configures a router to send all packets out interface serial 0/0.B、It configures a router to block routing updates from being sent out interface serial 0/0.C、It configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.D、It configures a router to send all packets for unknown destination networks out interface serial 0/0.E、It configures a router to drop all packets for which the destination network is unknown.
While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）A、Serial 0 is up, line protocol is upB、Serial 0 is up, line protocol is downC、Serial 0 is down, line protocol is downD、Serial 0 is down, line protocol is upE、Serial 0 is administratively down, line protocol is downF、Serial 0 is administratively down, line protocol is up
Company.com wishes to use HACMP on two IBM eServer pSeries servers. During the planning session， it was decided to use the native serial ports s1 or s2 for a non-IP heartbeat network. What should be done to ensure the serial network will function with HACMP heartbeats？（） A、 Use either s1 or s2 port configured as a TTY interface with a NULL Modem cable.B、 Use the s2 serial port on each system configured as a TTY interface with a NULL modem cable.C、 Use the s1 port on each system configured as a TTY interface with a standard serial modemcable.D、 Verify with IBM support which native serial ports for the server model can be used for HACM pheartbeats.
在路由器上配置静默接口来是路由器不发送OSPF协议报文的命令是（）。A、[RTA]silent-interface serial2/0B、[RTA-ospf-1]silent-interface serial2/0C、[RTA-ospf-1-area-0.0.0.1]silent-interface serial2/0D、[RTA-Serial2/0]silent-interface
指定同/异步串口1和2的备份优先级分别为10和20的配置为（）A、backup interface 1 10； backup interface 2 20B、backup interface serial 1 10； backup interface serial 2 20C、backup interface 1 priority 10； backup interface 2 priority 20D、backup interface serial 1 priority 10； backup interface serial 2 priority 20
A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）A、The traffic is droppedB、The resulting action is determined by the destination IP addressC、The source IP address is checked，and，if a match is not found， traffic is routed out interface Serial 1D、The resulting action is determined by the destination IP address and port number
The Peanut router is able to successfully ping the Serial 0 and Ethernet 0 interface of the Popcorn router, but a ping issued to the Ethernet 1 interface fails. Based on the above output, what are the potential causes of this problem?（）A、The Popcorn router is not forwarding RIP updates.B、The Popcorn router did not include network 192.168.12.0 in its routing configuration.C、The Ethernet1 interface of the Popcorn router is shutdown.D、The clockrate is not present in the configuration of one of the routers.E、The Serial interface of the Popcorn router is not operating.
Which line from the output of the show ip interface command indicates a layer 1 problem?（）A、Serial0/1 is up, line protocol is downB、Serial0/1 is down, line protocol is downC、Serial0/1 is up, line protocol is upD、Serial0/1 is administratively down, line protocol is down
根据以下的配置，请判断当主接口serial0出故障后，哪一个备份接口最先被启用？（）[Quidway-Serial0]standby interface serial 1 30[Quidway-Serial0]standby interface serial 2 40[Quidway-Serial0]standby logic-channel 3 50[Quidway-Serial0]standby logic-channel 2 35A、serial 1B、serial 2C、logic-channel 2D、logic-channel 3
单选题Company.com wishes to use HACMP on two IBM eServer pSeries servers. During the planning session， it was decided to use the native serial ports s1 or s2 for a non-IP heartbeat network. What should be done to ensure the serial network will function with HACMP heartbeats？（）A Use either s1 or s2 port configured as a TTY interface with a NULL Modem cable.B Use the s2 serial port on each system configured as a TTY interface with a NULL modem cable.C Use the s1 port on each system configured as a TTY interface with a standard serial modemcable.D Verify with IBM support which native serial ports for the server model can be used for HACM pheartbeats.
单选题While logged into a router you manually shut down the serial 0 interface using the "shutdown" interface configuration command. You then issue the "show interface serial 0" command in exec mode. What could you expect the status of the serial 0 interface to be?（）ASerial 0 is up, line protocol is upBSerial 0 is up, line protocol is downCSerial 0 is down, line protocol is downDSerial 0 is down, line protocol is upESerial 0 is administratively down, line protocol is downFSerial 0 is administratively down, line protocol is up
单选题A network administrator needs to configure a serial link between the main office and a remote location.The router at the remote office is a non-cisco router. How should the network administrator configure the serial interface of the main office router to make the connection?（）AMain(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#no shutBMain(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ietf Main(config-if)#no shutCMain(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation frame-relay Main(config-if)#authenication chap Main(config-if)#no shutDMain(config)#interface serial 0/0 Main(config-if)#ip address 172.16.1.1 255.255.255.252 Main(config-if)#encapsulation ppp Main(config-if)#no shut
单选题What is the purpose of this command? ip route 0.0.0.0 0.0.0.0 serial0/0（）AIt configures a router to send all packets out interface serial 0/0.BIt configures a router to block routing updates from being sent out interface serial 0/0.CIt configures a router as a firewall, blocking all unauthorized packets from exiting serial 0/0.DIt configures a router to send all packets for unknown destination networks out interface serial 0/0.EIt configures a router to drop all packets for which the destination network is unknown.
单选题When configuring a serial interface on a router, what is the default encapsulation?（）Aatm-dxiBframe-relayChdlcDlapbEppp
单选题A standard access control list has been configured on a router and applied to interface Serial 0 in anoutbound direction. No ACL is applied to Interface Serial 1 on the same router. What will happen whentraffic being filtered by the access list does not match the configured ACL statements for Serial 0？（）AThe traffic is droppedBThe resulting action is determined by the destination IP addressCThe source IP address is checked，and，if a match is not found， traffic is routed out interface Serial 1DThe resulting action is determined by the destination IP address and port number
单选题根据以下的配置，请判断当主接口serial0出故障后，哪一个备份接口最先被启用？（）[Quidway-Serial0]standby interface serial 1 30[Quidway-Serial0]standby interface serial 2 40[Quidway-Serial0]standby logic-channel 3 50[Quidway-Serial0]standby logic-channel 2 35Aserial 1Bserial 2Clogic-channel 2Dlogic-channel 3
单选题Which command can be used to determine the type of cable attached to the Serial 0/0 interface on a router?（）Ashow interfaces serial 0/0Bshow running-configCshow versionDshow controllers serial 0/0Eshow ip interfaceFshow line serial 0/0