單項選擇題Which one of the following privileged EXEC mode IOS show commands will display the state of the OSPF DR/BDR (designated router / backup designated router) election process?()

A. TK1# show ip ospf interface
B. TK1# show ip ospf priority
C. TK1# show ospf neighbor detail
D. TK1# show ospf processes
E. TK1# show ospf neighbor state


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1.多項選擇題To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?()

A. Each end of the trunk line must be set to IEEE 802.1E encapsulation.
B. The VTP management domain name of both switches must be set the same.
C. All ports on both the switches must be set as access port.
D. One of the two switches must be configured as a VTP server.
E. A rollover cable is required to connect the two switches together.
F. A router must be used to forward VTP traffic between VLANs.

2.多項選擇題Which router IOS commands can be used to troubleshoot LAN connectivity problems?()

A. Ping
B. Tracert
C. Ipconfig
D. Show ip route
E. Winipcfg
F. Show interfaces

4.單項選擇題What command verifies connectivity between two hosts by sending and receiving ICMP echo messages?()

A. ping
B. tracert
C. netstat
D. show cdp neighbors detail
E. show ip route
F. traceroute

5.單項選擇題A new Catalyst switch is connected to an existing switch using a crossover cable. As a result of this, what would the switch port link lights display?()

A. The switch port link lights will be off on both switches indicating the ports are not connected.
B. The switch port link light will be off on one switch indicating that STP has disabled the port.
C. The switch port link lights will flash amber indicating an error.
D. The switch port link lights will be green indicating normal operation.

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What should the configuration register value be after successfully completing the password recover procedure and returning the router to normal operation? ()

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The following access list was applied outbound on he E0 interface connected to the 192.168.1.8/29 LAN:access-list 123 deny tcp 192.168.1.8 0.0.0.7 eq 20 anyaccess-list 123 deny tcp 192.168.1.9 0.0.0.7 eq 21 anyWhat effect will this access list have?()

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A router with a serial interface will be used for an ISDN link.What other function group devices are required to complete the connection to the service provider? ()

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Which of the following contribute to congestion on an Ethernet network?()

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What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?()

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How many usable sub network and usable hosts per subnet result in the network address 201.105.13.0 is sub netted with a mask of /26? ()

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Which of the following if addresses can be assigned to host devices?()

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Which characteristics are representative of a link-state routing protocol?()

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Which of the following host addresses are member of networks that can be routed across the public Internet? ()

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