assuming the default&#8194...

单项选择题assuming the default switch configuration which vlan range can be added modified and removed on a ciscoswitch？（）

A.2 through 1001
B.1 through 1001
C.1 through 1002
D.2 through 1005

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1.单项选择题Which option is a valid IPv6 address?（）

A.2001:0000:130F::099a::12a
B.2002:7654:A1AD:61:81AF:CCC1
C.FEC0:ABCD:WXYZ:0067::2A4
D.2004:1:25A4:886F::1

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2.单项选择题which command is used to enable CHAP authentication whit PAP as the fallback method on a serialinterface？（）

A.（config-if）#authentication ppp chap fallback ppp
B.（config-if）#authentication ppp chap pap
C.（config-if）#ppp authentication chap pap
D.（config-if）#ppp authentication chap fallback ppp

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3.多项选择题下列哪些属于安全组织（）

A.SANS
B.Cisco
C.CERT
D.ISC

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4.单项选择题R1 forwards a packet from Host 1 to remote Server 1. Which statement describes the use of a MAC as the frame carrying this packet leaves the s0/0/0 interface of R1（）。

A.The frame does not have MAC addresses.
B.The source MAC address in the frame is the MAC address of the NIC of Host 1.
C.The source MAC address in the frame is the MAC address of the s0/0/0 interface of R1.
D.The destination MAC address in the frame is the MAC address of the NICof server 1.
E.The destination MAC address in the frame is the MAC address of the s0/0/0 interface of R2

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5.单项选择题What is known as "one-to-nearest" addressing in IPv6?（）

A.global unicast
B.anycast
C.multicast
D.unspecified address

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6.单项选择题Which type of cable is used to connect the COM port of a host to the COM port of a router or switch?（）

A.crossover
B.straight-through
C.rolled
D.shielded twisted-pair

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7.单项选择题最早的网络安全工具是（）

A.ACS
B.IPS
C.IDS
D.IPSec

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8.单项选择题Which parameter or parameters are used to calculate OSPF cost in cisco routers？（）

A.Bandwidth，Delay，and MTUB
B.andwidth
C.Bandwidth and MTU
D.Bandwidth，MTU，Reliability，Delay，and Load

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9.单项选择题Which Cisco Catalyst feature automatically disables the port in an operational PortFast upon receipt of a BPDU?（）

A.BackboneFast
B.UplinkFast
C.Root Guard
D.BPDU Guard
E.BPDU Filter

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10.单项选择题Host 1 receives a file from remote server 1. Which MAC address appears as the source address in the header of the frames received by Host 1（）。

A.The MAC address of the NIC in Host 1
B.The MAC address of the NIC in server 1
C.The MAC address of the Fa0/0 interface of router R1
D.The MAC address of the s0/0/0 interface of the router R2

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