多项选择题Which two of these statements regarding RSTP are correct?()

A. RSTP cannot operate with PVST+.
B. RSTP defines new port roles.
C. RSTP defines no new port states.
D. RSTP is a proprietary implementation of IEEE 802.1D STP.
E. RSTP is compatible with the original IEEE 802.1D STP.


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1.多项选择题What are three basic parameters to configure on a wireless access point?()

A.SSID
B.RTS/CTS
C.AES-CCMP
D.TKIP/MIC
E.RF channel
F.authentication method

2.多项选择题Which two of these statements are true of IPv6 address representation?()

A. There are four types of IPv6 addresses: unicast, multicast, anycast, and broadcast.
B. A single interface may be assigned multiple IPv6 addresses of any type.
C. Every IPv6 interface contains at least one loopback address.
D. The first 64 bits represent the dynamically created interface ID.
E. Leading zeros in an IPv6 16 bit hexadecimal field are mandatory.

3.多项选择题Which two statements describe characteristics of IPv6 unicast addressing?()

A. Global addresses start with 2000::/3.
B. Link-local addresses start with FE00:/12.
C. Link-local addresses start with FF00::/10.
D. There is only one loopback address and it is ::1.
E. If a global address is assigned to an interface, then that is the only allowable address for the interface.

4.多项选择题Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies?()

A.copier
B.microwave oven
C.toaster
D.cordless phone
E.IP phone
F.AM radio

6.多项选择题What are two security appliances that can be installed in a network?()

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

7.多项选择题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.

9.多项选择题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

10.多项选择题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.

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

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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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At which layer of the OSI model dose PPP perform?()

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Which name describes an IPV6 host-enable tunneling technique that uses IPV4 UDP,does not require dedicated gateway tunnels,and can pass through existing IPV4 NAT gateways?()

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How are VTP advertisements delivered to switches across the network?()

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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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You have been asked to come up with a subnet mask that will allow all three web servers to be on the same network while providing the max number of subnets.Which network address and subnet mask meet this requirement?()

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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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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 cisco ios command can help to determine the timing of various debug events,relative to each other,when you are debugging a complicated router issue?()

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