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多項選擇題

Which of the following routing protocols are unable to advertise CIDR networks?（） (Select TWO)

A. OSPF
B. RIP
C. EIGRP
D. IGRP
E. RIPv2

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單項選擇題

Which of the following would need to be implemented on a wireless router to allow network accessbased on a passphrase that the administrator would supply?（）

A. WPA-PSK encryption
B. SSID broadcast
C. Port forwarding
D. MAC filtering

單項選擇題

Users are unable to access the Internet but the users are able to send/receive email from theirdesktops. Which of the following ports is MOST likely being blocked?（）

A.25
B.80
C.110
D.143

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