A datacenter's redundant PDUs were recently upgraded. Each server rack is connected to the datacenter's PDUs. While testing power redundancy, one of the datacenter PDUs was turned off, and a server rack lost power completely. Which of the following scenarios BEST describes the problem?
A. Both rack PDUs were connected to the same circuit.
B. The rack-mounted PDU was defective.
C. The server rack shut down due to bad UPS batteries.
D. The UPS was not connected.
正解:D
質問 2:
A server administrator is researching the purchase of SSD for a server. The administrator receives a report from the datacenter technician detailing current storage requirements and future growth planning estimates as follows:
ServerA: Current-15TB-Future-50% growth
ServerB: Current-20TB-Future-80% growth
Based on this report, which of the following represents the MINIMUM storage requirements needed?
A. ServerA-18TB, ServerB-24TB
B. ServerA-23TB, ServerB-36TB
C. ServerA-25TB, ServerB-40TB
D. ServerA-22TB, ServerB-22TB
正解:B
質問 3:
A technician is setting up a server with a RAID 1 array for the boot partition and a RAID 5 array for the data partition. Which of the following is the MINIMUM number of disks needed to implement these partitions?
A. 4
B. 5
C. 6
D. 7
正解:B
質問 4:
Which of the following is the MOST energy efficient way of powering equipment within a datacenter with a large UPS battery bank?
A. 120V single-phase
B. 240VAC 3-phase
C. 48V DC
D. 480V 3-phase
正解:C
質問 5:
A systems administrator is setting up a new SAN. Which of the following protocols should be used to access and manage the system?
A. NTP
B. WWN
C. SSH
D. DNS
正解:C
質問 6:
Which of the following OSs would be the MOST appropriate to manage a server with an Active Directory?
A. Linux Ubuntu
B. Mac OS X
C. Windows Server 2013 Enterprise
D. Linux Fedora
正解:C
質問 7:
A company implements a cold site for disaster recovery purposes due to a risk of hurricanes at its headquarters location. Which of the following BEST describes why the company chose to use a cold site?
A. Cold sites have fewer hurricanes than warm or hot sites.
B. A hot or warm site would have higher setup and ongoing costs
C. Cold sites are the easiest to implement in the event of a disaster
D. A hot or warm site would have a higher MTTR than a cold site
正解:B
質問 8:
Which of the following would be an advantage to using a blade server as opposed to a rack mount server?
A. Blade servers offer more rack density
B. Blade servers are typically faster
C. Blade servers allow for internal tape drives
D. Blade servers allow for more RAM
正解:A
質問 9:
In a PKI, which of the following represents the top level of a certificate authority?
A. Root CA
B. Intermediate CA
C. Subordinate CA
D. Delegated CA
正解:A
大久** -
解答があるのは非常に良い。解説もまとまってる。過去問でどのくらいの結果が出るか楽しみです。