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单选题
When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?（）
A
A ping to the local address succeeds.
B
A ping to the remote address succeeds.
C
A ping to the remote address received a 'TTL expired' message.
D
The interface shows a flag indicating that a loop is detected.
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更多 “单选题When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?（）A A ping to the local address succeeds.B A ping to the remote address succeeds.C A ping to the remote address received a 'TTL expired' message.D The interface shows a flag indicating that a loop is detected.” 相关考题
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Which two steps are needed when configuring multiple RPs using MSDP within a single PIM domain? ()
A. Configure a non-unique address on the loopback interface for use by the PIM RP.B. Configure MSDP with the unique address (router ID) as the local address of the peer.C. Configure MSDP with the non-unique address (router ID) as the local address of the peer.D. Configure a unique address on the loopback interface, used as the PIM RP.
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You are an administrator of a network that uses PPP for CHAP authentication over ever WAN link. What command would you enter to display the CHAP authentication as it occurs in real time?()
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When configuring a serial interface on a router, what is the default encapsulation?()
A. atm-dxiB. frame-relayC. hdlcD. lapbE. ppp
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Which two statements describe characteristics of IPv6 unicast addressing?()
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When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?()
A.Set the encapsulation of the interface to HDLCB.Place the CSU/DSU in local-loop modeC.Enable local-loop mode on the DCE Frame Relay routerD.Verify that the encapsulation is set to Frame Relay
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What statement is true？（）A、Link Control Protocol（LCP） is used for basic PPP link setup and operationB、Link Control Protocol（LCP） is used for denying PPP connections to unauthorized devices.C、Link Control Protocol（LCP） for PPP is synonymous to ARP for Ethernet.D、None of the above
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Which of the following tools should Mike, a technician, use when testing a serial port?（）A、Cable testerB、MultimeterC、Loopback plugD、Logic probe
考题
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考题
You are an administrator of a network that uses PPP for CHAP authentication over ever WAN link. What command would you enter to display the CHAP authentication as it occurs in real time?（）A、show ppp authenticationB、debug PAP authenticationC、debug PPP authenticationD、show interface serial0E、show CHAP authentication
考题
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考题
VRP平台上，设置Serial接口数据链路层的封装类型为HDLC的命令是（）。A、encapsulation hdlcB、link-protocolh dlcC、hdlc enableD、link-protocol ppp
考题
Which of the following should be used to check a serial port for functionality?（）A、Loopback plugB、Toner probeC、MultimeterD、Cable tester
考题
When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?（）A、A ping to the local address succeeds.B、A ping to the remote address succeeds.C、A ping to the remote address received a 'TTL expired' message.D、The interface shows a flag indicating that a loop is detected.
考题
Which two statements are true about the primary address on an interface?（）A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interface.B、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interface.C、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interface.D、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface.
考题
Which two statements are true about the primary address on an interface?（）A、It is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interfaceB、You use the primary address when you have multiple IP addresses belonging to the same subnet on the same interfaceC、It can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interfaceD、By default, the primary address on an interface is selected as the numerically highest local address configured on the interface
考题
单选题Which set of commands correctly builds a PPP over Ethernet connection on a DSL connection?（）A
interface atm 5/1.1 atm pvc 1 0 101 aal5snap encapsulation ppp ppp authentication chap ip unnumbered loopback 1B
interface atm 5/1.1 atm pvc 1 0 101 aal5snap encapsulation pppoe interface pppoe 5/1.1 encapsulation ppp ppp authentication chap ip unnumbered loopback 1C
interface atm 5/1.1 atm pvc 1 0 101 aal5snap encapsulation pppoe interface atm 5/1.1.1 encap ppp ppp authentication chap ip unnumbered loopback 1D
interface atm 5/1.1 atm pvc 1 0 101 aal5snap encapsulation pppoe ppp authentication chap ip unnumbered loopback 1
考题
多选题Which two loopback types are supported for serial interfaces on Juniper devices?（）ALocalBFar EndCRemoteDBidirectional
考题
多选题Which two steps are needed when configuring multiple RPs using MSDP within a single PIM domain? （）AConfigure a non-unique address on the loopback interface for use by the PIM RP.BConfigure MSDP with the unique address (router ID) as the local address of the peer.CConfigure MSDP with the non-unique address (router ID) as the local address of the peer.DConfigure a unique address on the loopback interface, used as the PIM RP.
考题
单选题When a local loopback is activated on a PPP serial link, what indicates that the local interface is good?（）A
A ping to the local address succeeds.B
A ping to the remote address succeeds.C
A ping to the remote address received a 'TTL expired' message.D
The interface shows a flag indicating that a loop is detected.
考题
单选题一台路由器上loopback0的IP地址为10.1.1.1/32，在serial0/0/1上配置借用loopback0的IP地址的命令是（）.A
[Quidway] ip addresss erial0/0/1 equal loopback0B
[Quidway-serial0/0/1] ip addresss erial0/0/1 equa lloopback0C
[Quidway] ip address unnumbered interfaceserial0/0/1 loopback0D
[Quidway-serial0/0/1] ip address unnumbered interface loopback0
考题
多选题Which two statements are true about the primary address on an interface? （）AIt is the address used by default as the local address for broadcast and multicast packets sourced locally and sent out of the interfaceBYou use the primary address when you have multiple IP addresses belonging to the same subnet on the same intefaceCIt can be useful for selecting the local address used for packets sent out of unnumbered interfaces when multiple non-127 addresses are configured on the loopback interfaceDBy default, the primary address on an interface is selected as the nmerically highest local address configured on the interface
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