第63題： 某公司局域網使用DHCP動態(tài)獲取10.10.10.1/24網段的IP地址，某天公司大量終端獲得了192.168.1.0/24網段的地址，可在接入交換機上配置（ ）功能杜絕該問費再次出現(xiàn)。
A.dhcp relay
B.dhcp snooping
C.mac-address static
D.arp static
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第64題： 項目范圍管理過程如下所示，其正確的流程順序是（ ）。
①定義范圍
②核實范圍
③收集需求
④控制范圍
⑤創(chuàng)建工作分解結構
A.②④①③⑤
B.①②④③⑤
C.③⑤①②④
D.③①⑤②④
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第65題： Network security is the protection of the underlying networkinginfrastructur ( ) access, misuse, or theft. It involves creating a secureinfrastructure for device and applications to work in a ( ) manner.
Network security combines multiple defenses at the edge and in thenetwork. Each network security layer implements( )controls.Authorized users gain access to network resources. A( ) is a networdevice that monitors incoming and outgoing network traffic and decideswhetherblock specific trffic based on a defined set of security rules. Avirtual ( )encrypts the connection from an endpoint to a network,often over the internet.remote-aceess VPN uses IPsee or Seeure Soekets Layer to aufhenticate thebetween device and network.
(1)A.unauthorized
B.authorized
C.normal
D.frequent
(2)A.economical
B.secure
C.fair
D.efficient
(3)A.computing
B.tanstation
C.policies
D.simulations
(4)A.firewall
B.router
C.gateway
D.switch
(5)A.public
B.private
C.personal
D.political
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