单项选择题

Which of the following devices can be installed on individual computers throughout the network?（）

A. NIPS
B. Network-based firewall
C. VPN concentrator
D. Host-based firewall

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单项选择题

A.LDAP
B.IMAP
C.TFTP
D.SNMP

单项选择题

A.ipconfig/release
B.ipconfig/renew
C.ipconfig/all
D.ipconfig/help

单项选择题

A. Between networks
B. Within routers
C. Within networks
D. Between WAPs