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单选题
Which of the following options best justifies why a DNS server should be run in a large network system？（）
A
To use ftp and telnet
B
To perform NFS mounts
C
To make /etc/hosts files unnecessary
D
To reduce network traffic and save bandwidth
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更多 “单选题Which of the following options best justifies why a DNS server should be run in a large network system？（）A To use ftp and telnetB To perform NFS mountsC To make /etc/hosts files unnecessaryD To reduce network traffic and save bandwidth” 相关考题
考题
On AIX systems， where DNS resolution takes precedence over NIS， a particular process needs to resolve names using /etc/hosts first. Which of the following processes is the best way to accomplish this without affecting the rest of the system’s name resolution？（）A、Set the NSORDER environmental variable of the environment which invokes the process to：NSORDER="local，nis，bind"B、Set the NSORDER environmental variable of the environment which invokes the process to： NSORDER="hosts=auth，nis，bind"C、Edit /etc/netsvc.conf to add a line similar to the following： process /full/path/of/process {hosts=local，nis，dns}D、Unset NSORDER environment variable of the environment which invokes the process
考题
In an iostat report， which of the following options best describes the value of % tm_act？（）A、 The total CPU usage for this driveB、 The bandwidth utilization of the indicated driveC、 It can best be represented by the equation （%iowait - %ioidle）D、 It can best be represented by the equation （kilobytes read/kilobytes written） *100
考题
Which of the following is BEST for providing network security?（）A、FirewallB、DMZC、SwitchD、IDS
考题
Which of the following BEST describes the function of a DNS server?（）A、Secures network traffic through shared key encryption.B、Provides resolution of host names to IP addresses.C、Provides security for a network through the use of ACLs.D、Dynamically assigns IP addresses for easy client configuration.
考题
An administrator is attempting to recover from a power failure in the data center. Which of the following is the BEST way to recover the servers？（）A、 Bring up the WINS server， the DNS server， then the web serverB、 Bring up the web server， the time clock server， then the DHCP serverC、 Bring up the backup tape server， the DNS server， then the web serverD、 Bring up the active directory server， the DNS server， then the web server
考题
A user can no longer launch their word processing program. The program worked fine yesterday.Which of the following options could BEST be used to fix the word processing program?（）A、Safe ModeB、Automated System RecoveryC、Last Known Good ConfigurationD、System Restore
考题
Which of the following protocols would BEST grant the user secure access to a remote location?（）A、VPNB、FTPC、POP3D、DNS
考题
On a system wide basis， which of the following procedures is best to make NIS name resolution take precedence over DNS？（）A、Remove the /etc/resolv.conf fileB、Unset the NSORDER environment variableC、Add the following line to /etc/netsvc.conf： hosts=nis，bind，localD、In a NIS and DNS environment， NIS takes precedence so there is nothing to change
考题
In an iostat report， which of the following options best describes the value of % idle？（）A、 A representation of the equation （tps/kbps）*100B、 The percentage of time the disks are idle with no activityC、 The percentage of time the disks are idle with no outstanding CPU requestsD、 The percentage of time the CPU is idle with no outstanding disk I/O requests
考题
Which of the following "no options" controls the maximum value of mbufs？（）A、mtuB、sb_maxC、thewallD、tcp_sendspace
考题
Which of the following procedures best explains how to enable the NIS name resolution to take precedence over DNS on a system-wide basis?（）A、 Add the following line to /etc/netsvc.conf: hosts = nis,bind,local B、 edit /etc/netsvc.conf to add the following: process /full/path/of/process /{ hosts = local,nis,dns} C、 In an NIS and DNS environment, NIS takes precedence over DNS in this environment resulting in no change D、 Change the NSORDER environment variable
考题
Which of the following options best justifies why a DNS server should be run in a large network system？（）A、To use ftp and telnetB、To perform NFS mountsC、To make /etc/hosts files unnecessaryD、To reduce network traffic and save bandwidth
考题
Which of the following options indicates why it is important to talk to the user and ask appropriate questions about a software problem? （）A、Software problems don't generate errors. B、The user is more knowledgeable about software. C、The system logs will provide useful information alone. D、Key information pertaining to the software may be uncovered.
考题
A DNS server for a large network is experiencing performance problems. Which of the following options is the best solution to fix the problem？（）A、Enable NISB、Purchase a larger serverC、Use /etc/hosts on all of the systemsD、Create secondary name servers throughout the network
考题
Selling the total solution includes adding services and financing options which ensures your customer will remain satisfied with their purchase. Which of the following best describes the benefits of Selling options， storage， services， and financing to your clients？（）A、More face time with the executivesB、Enhanced credibility， higher profits， less competitive pressureC、One source for elements， cleaner design， simpler supportD、Locks competitors out of account
考题
Which three of the following options are NOT fields found in an Ethernet frame?（）A、VersionB、TypeC、Source PortD、FlagsE、Data
考题
Which of the following options allows you to review the default root hints in on a DNS server that runs Windows 2012 Server？（）A、You should run the dcdiag /v command at an elevated command promptB、You should open the netlogon.dns file in NotepadC、You should open the cache.dns file in NotePad pass-through diskD、You should run the dnscmd command from the command prompt
考题
单选题In an iostat report， which of the following options best describes the value of % iowait？（）A
The amount of time taken to service an I/O interruptB
The percentage of time CPU（s） are waiting for page insC
The percentage of time the CPU9（s） are waiting on networkD
The percentage of time the CPU（s） are waiting for outstanding disk I/O requests
考题
单选题Which of the following procedures best explains how to enable the NIS name resolution to take precedence over DNS on a system-wide basis?（）A
Add the following line to /etc/netsvc.conf: hosts = nis,bind,local B
edit /etc/netsvc.conf to add the following: process /full/path/of/process /{ hosts = local,nis,dns} C
In an NIS and DNS environment, NIS takes precedence over DNS in this environment resulting in no change D
Change the NSORDER environment variable
考题
单选题Which of the following resources would best help you when configuring IBM System x and BladeCenter together in rack cabinets？ （）A
IBM System x and BladeCenter Competitive Sales ToolB
Linux Cluster Sales Assistant - （LCSA）C
Configuration Options Guide - （COG）D
Standalone Solutions Configuration Tool （SSCT）
考题
多选题Which three of the following options are NOT fields found in an Ethernet frame?（）AVersionBTypeCSource PortDFlagsEData
考题
单选题Which of the following options indicates why it is important to talk to the user and ask appropriate questions about a software problem? （）A
Software problems don't generate errors. B
The user is more knowledgeable about software. C
The system logs will provide useful information alone. D
Key information pertaining to the software may be uncovered.
考题
单选题On a system wide basis， which of the following procedures is best to make NIS name resolution take precedence over DNS？（）A
Remove the /etc/resolv.conf fileB
Unset the NSORDER environment variableC
Add the following line to /etc/netsvc.conf： hosts=nis，bind，localD
In a NIS and DNS environment， NIS takes precedence so there is nothing to change
考题
单选题In an iostat report， which of the following options best describes the value of % idle？（）A
A representation of the equation （tps/kbps）*100B
The percentage of time the disks are idle with no activityC
The percentage of time the disks are idle with no outstanding CPU requestsD
The percentage of time the CPU is idle with no outstanding disk I/O requests
考题
单选题In an iostat report， which of the following options best describes the value of % tm_act？（）A
The total CPU usage for this driveB
The bandwidth utilization of the indicated driveC
It can best be represented by the equation （%iowait - %ioidle）D
It can best be represented by the equation （kilobytes read/kilobytes written） *100
考题
单选题An administrator is attempting to recover from a power failure in the data center. Which of the following is the BEST way to recover the servers？（）A
Bring up the WINS server， the DNS server， then the web serverB
Bring up the web server， the time clock server， then the DHCP serverC
Bring up the backup tape server， the DNS server， then the web serverD
Bring up the active directory server， the DNS server， then the web server
考题
单选题On AIX systems， where DNS resolution takes precedence over NIS， a particular process needs to resolve names using /etc/hosts first. Which of the following processes is the best way to accomplish this without affecting the rest of the system’s name resolution？（）A
Set the NSORDER environmental variable of the environment which invokes the process to：NSORDER=local，nis，bindB
Set the NSORDER environmental variable of the environment which invokes the process to： NSORDER=hosts=auth，nis，bindC
Edit /etc/netsvc.conf to add a line similar to the following： process /full/path/of/process {hosts=local，nis，dns}D
Unset NSORDER environment variable of the environment which invokes the process
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