While troubleshooting a network， you need to verify the liveness of hosts in the subnet 192.168.1.64/26. All of the hosts are able to reply to ping requests. How would you confirm the existing nodes using one single command？（）

A . The neighboring router stops receiving ACK packets from this router B . The neighboring router starts receiving route updates from this router C . The neighboring router is too busy to answer the query （generally caused by high CPUutilization） D . The neighboring router is having memory problems and cannot allocate the memory to processthe query or build the reply packet

A . The minimum data rate is not set to 11 Mbps. B . An address resolution protocol has been disabled. C . Publicly Secure Packet forwarding is enabled. D . The access point is set to the least congested channel.

A . Each router has an identical link state database. B . External routes are imported into a separate link state database. C . Syn chronization of link state databases is maintained via floodingo f LSAs. D . Information in the link state database is used to build a routing table by calculating a shortest-path tree. E . By default,link state databases are refreshede very 10 minutes in the absence of topology changes.

A . View debug logs on NIM master for errors or failures. B . Boot the client machine to SMS， and view the POST Error log. C . Boot the client machine to SMS， setup remote IPL， and execute a ping test. D . Boot the client machine to diagnostics， and ping the client from the NIM master.

A . The port is experiencing errors B . The port is administratively disabled C . The port is blocked by spanning tree D . The port has an active link with normal traffic activity

A . The minimum data rate is not set to 11 Mbps. B . An address resolution protocol has been disabled C . Publicly Secure Packet forwarding is enabled D . The access point is set to the least congested channel.

A . The minimum data rate is not set to 11 Mbps. B . Publicly Secure Packet forwarding is enabled. C . The access point is set to the least congested channel. D . An address resolution protocol has been disabled.

A . Some query or reply packets are lost between the routers B . The neighboring router starts receiving route updates from this router C . A failure causes traffic on a link between two neighboring routers to flow in only one direction（unidirectional link） D . The neighboring router stops receiving ACK packets from this router

A . the number of packets that are discarded because they exceed the maximum packet size of the medium B . errors created when the CRC generated by the originating LAN station or far-end device does not match the checksum calculated from the data received. C . the number of packets that are discarded because they are smaller than the minimum packet size of the medium D . the number of received packets that were ignored by the interface because the interface hardware ran low on internal buffers E . the number of times that the interface requested another interface within the router to slow dow

A . NetFlow can discover the protocols in use and automatically adjust QoS traffic classes to meet policy-map requirements. B . NetFlow records can be used to understand traffic profiles per class of service for data, voice, and video traffic. C . NetFlow can be configured to identify voice and video traffic flows and place them into a low-latency queue for expedited processing. D . NetFlow can report on the number of traffic matches for each class map in a configured QoS policy configuration.

A . debug ip bgp updates B . debug ip tcp events C . debug ip bgp transactions D . debug ip tcp transactio

A . The port is experiencing errors. B . The port is administratively disabled. C . The port is blocked by spanning tree. D . The port has an active link with normal traffic activity.

A . Quality of Service B . Trunk configuration C . Access lists D . Routing protocol configuration E . Power over Ethernet F . DHCP configuratio

A . Use the Cisco Auto Configuration tool B . Use the Cisco Rollback feature C . Automate documentation D . Schedule documentation checks E . Use the Cisco Configuration Archive tool F . Require documentation prior to a ticket being closed out

A . Each router has an identical link state database B . External routes are imported into a separate link state database C . Synchronization of link state databases is maintained via flooding of LSAs D . Information in the link state database is used to build a routing table by calculating a shortest-path tree E . By default， link state databases are refreshed every 10 minutes in the absence of topologychange

A . the minimum data rate is not set to 11 mbps. B . an address resolution protocol has been disabled C . publicly secure packet forwarding is enabled D . the access point is set to the least congested channel.

A . Spanning Tree Protocol B . Cabling C . Frame forwarding D . Packet forwarding E . EtherChannel F . Routing protocol

A . Some quer y or reply packets are lost between the routers. B . The neighboring router starts receiving route updates from this router. C . A failure causes traffic on a link between two neighboring routers to flow in only one direction(unidirectional link). D . Th e neighboring router stops receiving ACK packets from this router.

A . The K-values do not match B . The hold times do not match C . The hello times do not match D . The AS numbers do not match

A . Router#copy tftp flash B . Router(config)#restore flash C . Router(config)#repair flash D . Router#copy flash run E . Router>copy start flash F . Router#copy start flash

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/3c57bf5472e55a54788da5d374cfa80b.jpg' /> A. Redistributed ro utes will be tagged as external type 1 (E1) with a metric of 30. B. Redistributed routes will be tagged as external type 2 (E2) with a metric of 20. C. Redistributed routes will maintain their original RIP routing metric. D. Redistributed routes will ha ve a default metric of 0 and will be treated as unreachable and not advertised. E. Redistributed routes will have a default metric of 0 but will not be treated as reachable and will be advertised.

<img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/8cfeff82ca82832de8d38de7ecc19da4.jpg' /> <img src='https://img2.soutiyun.com/ask/uploadfile/2019-03-27/197d6a90c8ee401b7f6b0bd585a993d7.jpg' /> A. one-way B. two-way C. three-way D. four-way E. no handshakes required during authentication F. None of the above

At which OSI layer is this problem associated with？ A．The data link layer B．The application layer C．The access layer D．The session layer E．The network layer

A. TK1 show version B. TK1 show protocols C. TK1 show interfaces D. TK1 show controllers E. TK1 show ip interface F. TK1 show startup-config