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（请给出正确答案）
What information does the help reference command provide?（）
- A、a brief description of commands and their default values
- B、the serial number and version number of the device used to open a support case with JTAC
- C、a list of all the active hardware alarms on the device
- D、a display of the current configuration while in operational mode
参考答案
更多 “What information does the help reference command provide?（）A、a brief description of commands and their default valuesB、the serial number and version number of the device used to open a support case with JTACC、a list of all the active hardware alarms on the deviceD、a display of the current configuration while in operational mode” 相关考题
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Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?()
A. help topicB. help referenceC. help aproposD. help tip
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Which command is used to show active alarms on a Juniper device?()
A.file list alarmB.show chassis alarmsC.show chassis stateD.show hardware alarms
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Which command is used to retrieve the serial numbers of a Juniper device?()
A.show versionB.show chassis hardwareC.show hardware detailD.view hardware database
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Refer to the exhibit. You are the network administrator of the Route.com company. You have been tasked to implement a hub and spoke EIGRP topology over Frame Relay to provide connectivity between the networks at headquarters and all 300 spokes. Before you begin the actual implementation, which three pieces of information are more important to know than the others?（）A. the Committed Information Rate of all the Frame Relay PVCsB. the Cisco IOS version running on all the routersC. the router model number of all the spoke routersD. the number of HQ networks connected behind the headquarter routersE. the routing policy, such as whether or not the spokes can be used as backup transient point between the two headquarter routers
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With a VPN Accelerator Module 2+ (VAM2+) installed in a Cisco 7200 series router, what will be the resulting action when entering the command no crypto engine accelerator slot number?（）A、disables OIR on the VAM2+ moduleB、removes the VAM2+ crypto engine feature and disables the associated configuration commands from the routerC、disables dual VAM2+ hardware stateful failover capabilitiesD、disables the crypto engine hardware acceleration, resulting in all crypto functions to be performed in software
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What does the protocol field inside the PPP frame indicate？（）A、the protocol used to determine the authentication methodB、the protocol used to identify the data in the Information fieldC、the protocol used to carry the PPP frameD、the protocol used to decode the FCS fieldE、the protocol used to detect the number of padding bytes
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What are three pieces of information that the Cisco IOS show inventory command displays on a Cisco ISR Router? （）(Choose three.)A、Installed Hardware serial numbersB、The status of installed hardwareC、Installed hardwareD、Unique Device IdentifierE、system internal temperatureF、main power supply condition
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Which of the following commands should be used to list all of the active network interfaces on a system？（）A、lscfgB、routeC、netstatD、entstat
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What information does the help topic command provide?（）A、router’s version and serial number to help open a case with JTACB、software documentation describing features and configuration tasks within JUNOSC、a brief description of commands and their default valuesD、a verification of the current configuration on the router
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Which command do you use to show active alarms?（）A、show hardware stateB、show system alarmsC、show chassis stateD、show services alarms
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Which command returns a list of commands in which a given keyword is used throughout the Junos hierarchies?（）A、help topicB、help referenceC、help aproposD、help tip
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When troubleshooting a network， the output of the command show interfaces indicates a large number of runts. What is a runt？（）A、the number of packets that are discarded because they exceed the maximum packet size of the mediumB、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 mediumD、the number of received packets that were ignored by the interface because the interface hardware ran low on internal buffersE、the number of times that the interface requested another interface within the router to slow down
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On the WLSE or WLSE Express， which of the following criteria for applying automanaged configurations can be combined？（）A、device type and subnetB、MAC address and device typeC、serial number and version numberD、serial number and subnet
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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
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Which command is used to retrieve the serial numbers of a Juniper device?（）A、show versionB、show chassis hardwareC、show hardware detailD、view hardware database
考题
Which command is used to show active alarms on a Juniper device?（）A、file list alarmB、show chassis alarmsC、show chassis stateD、show hardware alarms
考题
单选题When the average of a list of course grades is multiplied by the number of courses, the result is n. What does n represent?A
Half the number of coursesB
Half the sum of course gradesC
The number of coursesD
The average of the course gradesE
The sum of the course grades
考题
单选题When troubleshooting a network， the output of the command show interfaces indicates a large number of runts. What is a runt？（）A
the number of packets that are discarded because they exceed the maximum packet size of the mediumB
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 mediumD
the number of received packets that were ignored by the interface because the interface hardware ran low on internal buffersE
the number of times that the interface requested another interface within the router to slow down
考题
单选题What information does the help reference command provide?（）A
a brief description of commands and their default valuesB
the serial number and version number of the device used to open a support case with JTACC
a list of all the active hardware alarms on the deviceD
a display of the current configuration while in operational mode
考题
单选题What information does the help topic command provide?（）A
router’s version and serial number to help open a case with JTACB
software documentation describing features and configuration tasks within JUNOSC
a brief description of commands and their default valuesD
a verification of the current configuration on the router
考题
单选题What does Cisco Unity Express use, by default, to select a voice-mail mail box?（）A
Last Called Number B
Last Redirect Number C
Original Called Number D
Original Redirect Number E
Forward Redirect Number
考题
多选题What are three pieces of information that the Cisco IOS show inventory command displays on a Cisco ISR Router? （）(Choose three.)AInstalled Hardware serial numbersBThe status of installed hardwareCInstalled hardwareDUnique Device IdentifierEsystem internal temperatureFmain power supply condition
考题
单选题What does the protocol field inside the PPP frame indicate？（）A
the protocol used to determine the authentication methodB
the protocol used to identify the data in the Information fieldC
the protocol used to carry the PPP frameD
the protocol used to decode the FCS fieldE
the protocol used to detect the number of padding bytes
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