Clients cannot connect to the network. A technician determines that port 68 is not open. Which of the following protocols is being blocked?
A. POP3
B. DNS
C. LDAP
D. DHCP
Which of the following involves finding and correcting the MOST important reason for performance issues?
A. Root cause analysis
B. Replicating the problem
C. Defining preventative action
D. Theory of probable cause
A virtual desktop user is in the process of saving a file when the UPS connected to the VM host server fails and the server powers off. After replacing the failed UPS, the user reports that the file did not save recent changes. Which of the following storage issues MOST likely caused this?
A. Cache battery failure
B. Improper disk partition
C. Insufficient space
D. Storage array rebuild
Users are unable to send and receive email. A technician verifies services are running, but the server is still not sending and receiving emails. Which of the following commands is BEST to use to find the cause?
A. netstat
B. nslookup
C. ipconfig
D. nbtstat
Which of the following RAID levels can withstand the simultaneous loss of two physical drives in an array?
A. RAID 0
B. RAID 3
C. RAID 5
D. RAID 10
During a lunch-and-learn session, IT staff and members participate in virtualization trivia. Which of the following are valid answers about hosts, guests, virtual NICs, and virtual switches? (Select TWO).
A. A host contains virtual switches and virtual NICs.
B. A guest contains one or more virtual NICs.
C. A hypervisor is installed on a guest.
D. A hypervisor is installed on a host.
E. A guest contains one or more physical NICs.
The shortest time to recovery method in the event of a complete datacenter failure is to utilize a:
A. warm site.
B. hot site.
C. cold site.
D. private cloud.
E. hybrid cloud.
An administrator is validating disaster recovery mechanisms and wants to ensure backup data is usable and accurate. Which of the following should the administrator do?
A. Backup verification and test restorability
B. Label media for all backups
C. Secure backup in safe location
D. Keep all backups onsite close to the server
Which of the following can limit cabling mistakes?
A. Proper labeling
B. Asset management
C. Keeping good vendor logs
D. Keeping up-to-date repair logs
Which of the following BEST describes RAID 1?
A. Mirroring
B. Striping
C. Striping with parity
D. Striping with mirroring
