Which IEEE standard protocol is initia...

单项选择题Which IEEE standard protocol is initiated as a result of successful DTP completion in a switch over FastEthernet?（）

A. 802.3ad
B. 802.1w
C. 802.1Q
D. 802.1d

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1.单项选择题Which command helps a network administrator to manage memory by displaying flash memory and NVRAM utilization?（）

A. show secure
B. show file systems
C. show flash
D. show version

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2.单项选择题What is the most likely reason for the dispartly between the actual network numbers at the branches and the routes in the routing table on Gateway-Router?（）

A. Branch-Router2 is configured to send both RIPv1 and RIPv2 updates.
B. Gateway-Router is configured to only receive RIPv2 updates.
C. Gateway-router is configured to receive only RIPv1 updates.
D. Branch-Router1 is configured to only send RIPv1 updates

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3.单项选择题which address range efficiently summarizes the routing table of the addresses for router main?（）

A. 172.16.0.0/18
B. 172.16.0.0/16
C. 172.16.0.0/20
D. 172.16.0.0/21

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

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

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

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

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

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7.单项选择题A network engineer wants to allow a temporary entry for a remote user with a specific usename and password so that the user can access the entire network over the internet.which ACL can be used?（）

A. reflexive
B. extended
C. standard
D. dynamic

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8.单项选择题Which term describes a spanning-tree network that has all switch ports in either the blocking or forwarding state?（）

A. redundant
B. spanned
C. provisioned
D. converged

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9.单项选择题Which PPP subprotocol negotiates authentication options?（）

A. NCP
B. LCP
C. ISDN
D. DLCI
E. SLIP

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10.单项选择题You are working in a data center environment and are assigned the address range 10.188.31.0/23.You are asked to develop an IP addressing plan to allow the maximum number of subnets with as many as 30 hosts each.Which IP address range meets these requirements?（）

A. 10.188.31.0/27
B. 10.188.31.0/26
C. 10.188.31.0/29
D. 10.188.31.0/28
E. 10.188.31.0/25

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