Firewall is a ___(74)___ mechanism used by organizations to protect their LANs from

Internet.(74)A. reliable B. stable C. peaceful D. security

[单选题]F．irewall is a(74) mechanism used by organizations to protect their LANs from the Internet.A．reliableB．stableC．peacefulD．security

[单选题]F．irewall is a （74） mechanism used by organizations to protect their LANs from the Internet.（74）A． reliableB． stableC． peacefulD． security

[单选题]F．irewall is a _______ mechanism used by organizations to protect their LANs from the Internet．A．reliableB．stableC．peacefulD．SecurityA．B．C．D．

[单选题] We can use the word processor to （74） your documents.（74）A． editB． computeC． translateD． unload

[单选题] We can use the word processor to （74） your documents.（74）A． editB． computeC． translateD． unload

[单选题]We can use the word processor to (74) your documents.A．editB．computeC．translateD．unload

[单选题]We can use the word processor to(74) your documents．A．editB．computeC．translateD．unload

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepbackand forth across the disk Surface servicing all requests in its path．This is a (73) ．(73) A．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A． disk scheduling mechanism in an operatingsystem causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is aA．First Come First ServeB．Shortest Seek Time FirstC．ScanD．None of the above

[单选题]A disk scheduling mechanism in an operating system causes the disk arm to sweepback and forth across the disk surface servicing all requests in its path. This is a （） :（）A. First Come First Serve B. Shortest Seek Tn-ne FirstC. Scan D. None of the abo