In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）A、serialupB、clockC、clockrateD、dcerateE、dterate
In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）
- A、serialup
- B、clock
- C、clockrate
- D、dcerate
- E、dterate
相关考题：
Which two routes do P routers see by default in a BGP MPLS VPN configuration? ()(Choose two.) A. IGP routes advertised by P routersB. IGP routes advertised by PE routersC. VPN routes advertised by PE routersD. VPN routes advertised by CE routers
Which two statements are true by default of a multilevel IS－IS network?() A. Level 1 only routers see routes contained in their area.B. Level 1 routers route towards Level 2 routers due to the attached bit.C. Level 2 routers route towards Level 1 routers due to the attached bit.D. Level 2 routers can see routes in other Level 2 areas and routes originated in Level 1 areas.
Routers A and B are connected with a point-to-point OC-3 interface. Each routers OC-3 interface is configured for both Level 1 and Level 2. The routers are configured in different areas. How many IS-IS adjacencies exist between the two routers?（）A.0B.1C.2D.3
The relevant configuration files for the TestKing1 and TestKing2 routers are displayed below:With due consideration to the command outputs, which of the following reasons would you attribute the connectivity problem between the two routers?（）A. The authentication needs to be changed to PAP for both routers.B. The serial IP addresses of routers are not on the same subnet.C. The username/password combination is incorrectly configured.D. The router names are incorrectly configured.
In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）A.serialupB.clockC.clockrateD.dcerateE.dterate
If the OSPF protocol is used to connect customer edge （CE） routers to service provider edge（PE） routers in the VPN backbone， which two options best describe the use of SHAM links？（）A、A sham-link is created between any twoo VPN sites that belong to the same OSPF area and share an OSPF backdoor linkB、A sham-link is seen as an intra-area link between PE routers，an OSPF adjacency is created and data base is exchangedC、A SHAM link is created between two directly connected PE routers so that it is preferred over the low speed backdoor doorD、A SHAM link is part of OSPF network of MPLS-VPN provider
What MSDP solution provides the abiltiy to place the same ip RP address on the loopback of two or more routers？
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Which two statements are correct regarding IS-IS?（）A、Routers maintain a single link-state database per area.B、Routers maintain a separate Level 1 link-state database.C、Routers maintain a separate Level 2 link-state database.D、Routers maintain a single Level 1 link-state database across multiple areas.
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When troubleshooting an EIGRP connectivity problem, you notice that two connected EIGRP routers are not becoming EIGRP neighbors. A ping between the two routers was successful.What is the next thing that should be checked?（）A、Verify that the EIGRP hello and hold timers match exactly.B、Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP peer command.C、Verify that EIGRP broadcast packets are not being dropped between the two routers with the show ip EIGRP traffic command.D、Verify that EIGRP is enabled for the appropriate networks on the local and neighboring router.
Which two statements are correct regarding IS-IS？（）A、Routers maintain a single link-state database per area.B、Routers maintain a separate Level 1 link-state database.C、Routers maintain a separate Level 2 link-state database.D、Routers maintain a single Level 1 link-state database per area.
Which two routes do P routers see by default in a BGP MPLS VPN configuration? （）(Choose two.)A、IGP routes advertised by P routersB、IGP routes advertised by PE routersC、VPN routes advertised by PE routersD、VPN routes advertised by CE routers
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多选题What are two characteristics of multi-filed classification？（）AImplemented with firewall filters.BTypically configured on core routers.CTypically configured on customer facing routers.DImplemented with Behavior Aggregate （BA） classification.
多选题What are two advantages that the Cisco 3900 Series Integrated Services Routers have over the rest of the integrated services routers？ （）ATelepresence-capableBhigh-density service virtualizationCintelligent integration of securityDwireless servicesEunified communications
多选题What are two benefits of control plane policing？（）Aprotection against denial of service （DoS） attacks at infrastructure routers and switchesBprotection against known worm attacks in routers and switchesCquality of service （QoS） control for packets that are sourced from the data plane of Cisco routers and switchesDquality of service control （QoS） for packets that are destined to the control plane of Cisco routers and switchesEquality of service （QoS） control for packets that are destined to the data plane of Cisco routers and switches
单选题You enabled CDP on two Cisco Routers which are connected to each other. The Line and Protocol statusfor the interfaces on both routers show as UP but the routers do not see each other a CDP neighbors.Which layer of the OSI model does the problem most likely exist？（）APhysicalBSessionCApplicationDData-LinkENetwork
问答题What MSDP solution provides the abiltiy to place the same ip RP address on the loopback of two or more routers？
多选题Which two of these data encryption AIM modes are found on the 3800 family of Cisco ISR Routers？ （Choose two.）（）ABPIIBSPII-PlusCFPIIDEPII-PlusEHPIIFHPII-PIus
单选题In a lab, two routers are connected directly together using serial interfaces in a back-to-back configuration. No external DCE devices are being used. What additional command is needed to bring this link up?（）AserialupBclockCclockrateDdcerateEdterate
单选题The administrator is unable to establish connectivity between two Cisco routers. Upon reviewing the command output of both routers, what is the most likely caust of the problem?（）AAuthentication needs to be changed to PAP for both routers.BSerial IP addresses of routers are not on the same subnet.CUsername/password is incorrectly configured.DRouter names are incorrectly configured.