Which of the following server types takes up the LEAST amount of space？（）

单项选择题WhichofthefollowingistheMOSTeffectivemethodtorestrictstaffmembersfromaccessinga serviceonacompanyserver？（）

A. Implement ACLs.
B. Disable accounts for staff members who do not require server access.
C. Implement anti-spam software on the server.
D. Implement anti-virus software on the server.

单项选择题Anadministratorisimplementinganewdataretentionprogramforthecompany.Whichofthe followingistheMOSTimportantconsiderationasthenewprogramiscreated？（）

A. Awareness of company policy requirements
B. Differentiating between archiving and backup processes
C. Awareness of potential legal requirements
D. Ensuring that the backups for the retention program cover key business areas

单项选择题Whenmakingchangestoaserver，whichofthefollowingistheBESTwaytotroubleshoota problem？（）

A. Perform root cause analysis and then test the theory to determine the cause.
B. Make changes to the system and document everything once the problem is resolved.
C. Make multiple changes to all affected areas to resolve all potential issues.
D. Make a change and if the problem is not resolved， reverse the change.

单项选择题Anadministratorisattemptingtorecoverfromapowerfailureinthedatacenter.Whichofthe followingistheBESTwaytorecovertheservers？（）

A. Bring up the WINS server， the DNS server， then the web server
B. Bring up the web server， the time clock server， then the DHCP server
C. Bring up the backup tape server， the DNS server， then the web server
D. Bring up the active directory server， the DNS server， then the web server

多项选择题Whichofthefollowingaretypesofbiometricdevicesusedinserverrooms？（）

A. Mantraps
B. Fingerprint scanners
C. CCTV systems
D. Retina scanner
E. Proxy card readers