單項(xiàng)選擇題Which command enables RSTP on a switch?()

A. spanning-tree mode rapid-pvst
B. spanning-tree uplinkfast
C. spanning-tree backbonefast
D. spanning-tree mode mst


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1.單項(xiàng)選擇題DNS servers provide what service?()

A. they run a spell check on host names to ensure accurate routing
B. they map individual hosts to their specific IP address
C. they convert domain names into IP address
D. Given an IP address,they determine the name of the host that is…

2.單項(xiàng)選擇題There are no boot system commands in a router configuration in NVRAM.What is the fallback sequence that router will use to find an ios during reload?()

A. Flash,TFTP server,ROM
B. Flash,NVRAM,ROM
C. ROM,NVRAM,TFTP server
D. NVRAM,TFTP server,ROM
E. TFTP server,Flash,NVRAM

3.單項(xiàng)選擇題Which command shows your active Telnet connections?()

A. show session
B. show cdp neighbors
C. show users
D. show queue

4.單項(xiàng)選擇題Which commands is necessary to permit SSH or Telnet access to a cisco switch that is otherwise configured for these vty line protocols?()

A. transport type all
B. transport output all
C. transport preferred all
D. transport input all

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What is the result of issuing the frame-relay map ip 192.168.1.2 202 broadcast command?()

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Three switches are connected to one anther via trunk ports.Assuming the default switch configuration,which switch is elected as the root bridge for the spanning-tree instance of vlan 1?()

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Which address is the IPV6 all-RIP-routers muticast group address that is used by RIPng as the destaion address?()

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When you are troubleshooting an ACL issue on a router,which command can help you to verify which interfaces are affected by the ACL?()

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If all OSPF routers in a single area are configured with the same priority value,what value dose a router use for the ODPF router ID in the absence of a loopback interface?()

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An administrator must assign static IP addresses to the servers in a network.For network 192.168.20.24/29, the router is assigned the first usable host address while the sales server is given the last usable host address. Which of the following should be entered into the IP propertied box for the sales server?()

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Which protocol reduces administrative overhead in a switched network by allowing the configuration of a new VLAN to be distributed to all the switches in a domain?()

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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?()

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Which statement is true, as relates to classful or classless routing?()

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On which options are standard access list based?()

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