更多"The first requirement for logical t"的相关试题:
[单项选择]The first requirement for logical troubleshooting of any system is the ability to （）.
A. collect all available data on a casualty
B. recognize normal operation
C. identify the probable cause of a symptom
D. isolate the faulty component
[单项选择]As a general rule, the first troubleshooting action to be taken in checking faulty electric control devices is to （）.
A. draw a one line diagram of the circuitry
B. test all fuses and measure the line voltage
C. take megger readings
D. insulate the apparatus from ground
[单项选择]A technician is troubleshooting a host connectivity problem. The host is unable to ping a server connected to Switch_A. Based on the results of the testing, what could be the problem（）。
A. A remote physical layer problem exists.
B. The host NIC is not functioning.
C. TCP/IP has not been correctly installed on the host.
D. A local physical layer problem exists.
[多项选择]While troubleshooting some connectivity issues，you issue the “show ip ospf database”in order to ex amine the link state database. Which three of the statements below are true regarding the OSPF link state database（）
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.
[单项选择]While troubleshooting a connectivity issue from a PC you obtain the following information: Local PC IP address: 10.0.0.35/24 Default Gateway: 10.0.0.1 Remote Sever: 10.5.75.250/24 You then conduct the following tests from the local PC: Ping 127.0.0.1 – Successful Ping 10.0.0.35 – Successful Ping 10.0.0.1 – Unsuccessful Ping 10.5.75.250 – Unsuccessful What is the underlying cause of this problem?（）
A. A remote physical layer problem exists.
B. The host NIC is not functioning.
C. TCP/IP has not been correctly installed on the host.
D. A local physical layer problem exists.
[多项选择] While troubleshooting an EIGRP routing problem you notice that one of the routers have generated a large number of SIA messages. What are two possible causes for EIGRP Stuck - In -Active routes?（）
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.
[单项选择]While troubleshooting a refrigeration system for low head pressure, liquid refrigerant flooding back from the evaporator is determined to be the causeIt may be necessary to （）.
A. change the expansion valve adjustment
B. readjust the water regulating valve to increase the flow of water
C. purge air from the condenser
D. clean the waterside of the condenser
[单项选择]While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate（）。
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
[单项选择]You are troubleshooting a frame relay connection and wish to view the LMI traffic stats. Which command should you issue?（）
A. Show interface lmi
B. Show frame-relay lmi
C. Show interface frame-relay
D. Debug frame-relay interface.
[单项选择]When troubleshooting a Frame Relay connection, what is the first step when performing a loopback test?（）
A. Set the encapsulation of the interface to HDLC
B. Place the CSU/DSU in local-loop mode
C. Enable local-loop mode on the DCE Frame Relay router
D. Verify that the encapsulation is set to Frame Relay
[单项选择]While troubleshooting a network problem,a technician discovers that the current copy of the Cisco IOS is outdated and needs to be updated.Which of the following commands would the technician issue to replace the Cisco router IOS with the newer version?（）
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
[单项选择]When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?（）
A. show ip access-list
B. show access-list
C. list ip interface
D. show interface
E. show ip interface
[单项选择]Language is arbitrary in that there is no logical connection between meanings and（）.
A. words
B. sounds
C. objects
D. ideas
[单项选择] Which routing protocol best fits these requirements?（） - Supported by multiple router vendors - Requires minimum router CPU and memory resources - Uses a simple routing metric - Supports manual or automatic route summarization
A. EIGRP
B. OSPF
C. IS-IS
D. RIPv2
[单项选择]At which OSI layer is a logical path created between two host systems（）。
A. session
B. transport
C. network
D. data link
E. physical
