多項(xiàng)選擇題A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem?()

A. mismatched TKIP encryption
B. null SSID
C. cordless phones
D. mismatched SSID
E. metal file cabinets
F. antenna type or direction


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1.多項(xiàng)選擇題What are two security appliances that can be installed in a network?()

A.ATM
B.IDS
C.IOS
D.IOX
E.IPS
F.SDM

2.多項(xiàng)選擇題Which of the following describes the roles of devices in a WAN?()

A. A CSU/DSU terminates a digital local loop.
B. A modem terminates a digital local loop.
C. A CSU/DSU terminates an analog local loop.
D. A modem terminates an analog local loop.
E. A router is commonly considered a DTE device.
F. A router is commonly considered a DCE device.

3.多項(xiàng)選擇題Switch ports operating in which two roles will forward traffic according to the IEEE 802.1w standard?()

A.alternate
B.backup
C.designated
D.disabled
E.root

4.多項(xiàng)選擇題Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN?()

A.HDLC
B.Ethernet
C.Token Ring
D.PPP
E.FDDI
F.Frame Relay

5.多項(xiàng)選擇題A Catalyst 2950 needs to be reconfigured. What steps will ensure that the old configuration is erased?()

A. Erase flash.
B. Restart the switch.
C. Delete the VLAN database.
D. Erase the running configuration.
E. Erase the startup configuration.
F. Modify the configuration register.

7.多項(xiàng)選擇題What are two results of entering the Switch(config)# vtp mode client command on a Catalyst switch?()

A. The switch will ignore VTP summary advertisements.
B. The switch will forward VTP summary advertisements.
C. The switch will process VTP summary advertisements.
D. The switch will originate VTP summary advertisements.
E. The switch will create, modify and delete VLANs for the entire VTP domain.

8.多項(xiàng)選擇題What are three valid reasons to assign ports to VLANs on a switch?()

A. to make VTP easier to implement
B. to isolate broadcast traffic
C. to increase the size of the collision domain
D. to allow more devices to connect to the network
E. to logically group hosts according to function
F. to increase network security

10.多項(xiàng)選擇題What are the possible trunking modes for a switch port?()

A. transparent
B. auto
C. on
D. desirable
E. client
F. forwarding

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The network administrator cannot to switch 1 over a telnet session,although the hosts attached to switch 1 can ping the interface Fa0/0 of the router.Given the information in the graphic and assuming that the router and switch2 are configured properly,which of the following commands should be issued on switch 1 to correct this problem?()

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Which command displays the CHAP authentication process as it occurs between two routers?()

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

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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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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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At which layer of the OSI model is RSTP used to prevent loops?()

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Which Cisco IOS diagnostics command can disrupt the operation of a router under high-load conditions?()

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Which command is used to display the collection of OSPF link states?()

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A router receives information about network 192.168.10.0/24 from multiple sources.What will the router consider the most reliable information about the path to that network?()

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