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單項選擇題What is one reason that WPA encryption is preferred over WEP（）。

A.A WPA key is longer and requires more special characters than the WEP key.
B.The access point and the client are manually configured with different WPA key values.
C.WPA key values remain the same until the client configuration is changed.
D.The values of WPA keys can change dynamically while the system is used.

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1.單項選擇題Which item represents the standard IP ACL?（）

A.access-list 50 deny 192.168.1.10.0.0.255
B.access-list 110 permitip any any
C.access-list 2500 deny tcp any host 192.168.1.1eq22
D.access-list 101 deny tcp any host 192.168.1.1

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2.單項選擇題An access list has been designed to prevent HTTP traffic from the Accounting Department from reaching the HR server attached to the Holyoke router. Which of the following access lists will accomplish this task when grouped with the e0 interface on the Chicopee router（）。

A. permit ip any any deny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80
B. permit ip any any deny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80
C. deny tcp 172.17.17.252 0.0.0.0 172.16.16.0 0.0.0.255 eq 80 permit ip any any
D. deny tcp 172.16.16.0 0.0.0.255 172.17.17.252 0.0.0.0 eq 80 permit ip any any

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3.多項選擇題 Which routing protocols can be used within the enterprise network shown in the diagram? （）

A.RIP v1
B.RIP v2
C.IGRP
D.OSPF
E.BGP
F.EIGRP

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4.多項選擇題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

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5.多項選擇題At which layers of the OSI model do WANs operate?（）

A.application layer
B.session layer
C.transport layer
D.network layer
E.datalink layer
F.physical layer

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6.單項選擇題A new subnet with 12 hosts has been added to the network. Which subnet address should this network use to provide enough useable addresses while wasting the fewest addresses（）。

A.192.168.10.80/28
B.192.168.10.80/29
C.192.168.10.96/28
D.192.168.10.96/29

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7.多項選擇題A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server onlinE.What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1? （）

A.Configure port Fa0/1 to accept connections only from the static IP address of the server.
B.Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.
C.Configure the MAC address of the server as a static entry associated with port Fa0/1.
D.Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
E.Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.
F.Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.

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8.單項選擇題A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network（）。

A.The router will use the static route.
B.The router will use the OSPF route.
C.The router will use the EIGRP route.
D.The router will load balance and use all three routes.

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9.單項選擇題Which statement about access lists that are applied to an interface is true?（）

A.you can apply multiple access lists with the same protocol or in different…
B.you can config one access list,per direction,per layer 3 protocol
C.you can placeasmanyaccess lists as you want on any interface
D.you can apply ony one access list on any interface

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10.多項選擇題Which tables of EIGRP route information are held in RAM and maintained through the use of hello and update packets (Choose two.)（）。

A.neighbor table
B.SPF table
C.RTP table
D.topology table
E.query table
F.DUAL table

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