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●Network (71) has full rights and permissions to all resources on a network.
(71) A．user
B．guest
C．administrator
D．owner
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A(71)is a functional unit that interprets and carries out instructions．A．memoryB．processorC．storageD．network
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Both bus and tree topologies are characterized by the use of multipoint (71) ．For the bus，all stations attach，through appropriate hardware (72) known as a tap，directly to a linear transmission medium，or bus．Full-duplex operation between the station and the tap allows data to be transmitted onto the bus and received from the (73) ．A transmission from any station propagates the length of the medium in both directions and can be received by all other (74) ．At each end of the bus is a (75) ，which absorbs any signal，removing it from the bus．（71）A．mediumB．connectionC．tokenD．resource
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Network(71)has full rights and permissions to all resources on a network.A．userB．guestC．administratorD．owner
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● A （71） is a functional unit that interprets and carries out instructions.（71）A. memoryB. processorC. storageD. network
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Without proper safeguards,every part of a network is vulnerable to a security breach or unauthorized activity from（71）,competitors,or even employees.Many of the organizations that manage their own（72）network security and use the Internet for more than just sending/receiving e-mails experience a network（73）—and more than half of these companies do not even know they were attacked.Smaller（74）are often complacent,having gained a false sense of security.They usually react to the last virus or the most recent defacing of their website.But they are trapped in a situation where they do not have the necessary time and（75）to spend on security.
A.safeguards
B.businesses
C.experiences
D.resources
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