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.


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1.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.

2.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

4.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

5.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.

7.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

8.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.

10.多项选择题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.

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