单项选择题
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
单项选择题 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（）。
多项选择题 Which routing protocols can be used within the enterprise network shown in the diagram? （）
多项选择题 Which of the following describes the roles of devices in a WAN？（）