An administrator needs to back up changed files only and has time constraints on the back up window. Which of the following is the BEST choice for a backup strategy?
A. Differential
B. Snapshot
C. Full
D. Incremental
A user is unable to save an image file to the home directory on a server. The server technician checks the disk space and ACL on the user's home directory and finds that the user has enough space and required access to write to the directory. Which of the following is the MOST likely reason why the user is unable to save the file?
A. The user is attempting to save a file with a prohibited file extension.
B. There are too many open files on the server.
C. The user does not have permission to save files to the server.
D. The hard drive containing the user's home directory is failing.
Which of the following represents the directory permissions to provide least privilege for publicly readable directories on a Unix web server?
A. rwxrwxrwx (777)
B. rwxrwx-w- (772)
C. rwxrwxr-x (775)
D. rwxrwx-x (771)
A newly hired administrator is tasked to change the number of CPUs assigned to a VM. Which of the following if the FIRST step the administrator should do during a scheduled maintenance window?
A. Create a snapshot.
B. Back up the host.
C. Shut down the guest.
D. Shut down the host.
A small office has installed a server inside a writing closet. Users report losing connectivity to the server at various times throughout the day. Which of the following should have been considered before installing the server to prevent this issue from occurring?
A. Airflow
B. Redundant power
C. Antivirus software
D. Chassis lock
A new server has a battery-backed RAID controller built onto the motherboard. Which of the following will occur if the RAID controller fails?
A. The array configuration information will be lost.
B. The battery will provide enough power to save the array information.
C. All data stored on the array is lost.
D. The array will continue to function in a degraded state.
A network administrator is installing additional devices on the network. The network segment is currently utilizing all allocated IP addresses. If there are additional addresses available, which of the following would be BEST for the network administrator to perform to accommodate the new network devices?
A. Create a new DHCP scope for the network segment in question.
B. Configure the DHCP server for IPv6.
C. Configure the network to use NAT for the network segment in question.
D. Increase the size of the DHCP scope for the network segment in question.
An administrator thinks that a particular network connection is dropping packets. Which of the following tools would the administrator use to BEST identify where the packets are being dropped?
A. tracert
B. ping
C. nslookup
D. netstat
A new version of the primary OS used by a company has been released. Due to some significant changes in the OS, a system administrator wants to see which remotely accessible services are enabled by default to access the security risk prior to upgrading to the new version. Which of the following utilities should the administrator use?
A. Cipher program
B. Port scanner
C. Telnet client
D. Packet sniffer
An email administrator is tasked to set up a Linux mail server. One of the requirements is to close all ports except SSH, HTTPS, SMTP, POP3, and IMAP4. Which of the following commands should be used to see which ports are currently open on the email server? (Choose two.)
A. lsof
B. netstat
C. ipconfig
D. traceroute
E. ping
F. dig
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