An end user calls the company's IT service desk to report an inability to open encrypted emails on a mobile device. Which of the following BEST represents a possible cause?
A. A valid certificate suitable for S/MIME is not installed.
B. Emails received by the user lack suitable digital signatures.
C. SSL/TLS certificates stored on the device are expired.
D. The sender did not have the addressee's public certificate.
A PC technician notices that the printers deployed via a new Group Policy are not showing up on the workstation. Which of the following commands should be run on the PC?
A. extract
B. robocopy
C. gpupdate
D. tasklist
A technician recently removed spyware from a computer and now the user is getting error messages about system files. Which of the following tools would a technician use to verify all system files are intact and in their original versions?
A. Repair Disk
B. SFC
C. FIXMBR
D. ASR
Which of the following commands are used from a Linux command line interface to elevate a user's access level to administrative privilege? (Select TWO).
A. chmod
B. passwd
C. sudo
D. su
E. runas
F. pwd
A small office experiences frequent power outages. Upon rebooting the Windows workstations after each power outage, users report the inability to open shared files. Which of the following MUST a technician configure to resolve this issue in the future?
A. Check the "Reconnect at logon" checkbox for the mapped network drive
B. Connect all computers in the office to UPS devices
C. Re-map the mapped network drive with the domain administrator account
D. Replace the hard drives on the file server hosting the shared files
A critical server was replaced by the IT staff the previous night. The following morning, some users are reporting that they are unable to browse to the Internet upon booting their workstations. Users who did not shut down their workstations the previous day are able to connect to the Internet. A technician looks at the following report from a workstation with no Internet connectivity: IP Address: 192.168.1.101 Netmask: 255.255.255.0 DHCP Server:192.168.1.1 DNS Server:192.168.1.2 Default Gateway:192.168.1.1 Given the above report, which of the following is the cause of why some workstations are unable to browse the Internet?
A. The workstation has an APIPA address.
B. The DHCP server is unavailable.
C. The default gateway router is misconfigured.
D. The DHCP server is misconfigured.
A user, Joe, has just finished upgrading his computer with a wireless keyboard/mouse combination, additional memory, installed new speakers, and replaced his 15 inch flat screen with a 24 inch flat screen. When he boots the computer it immediately starts making a loud beeping noise and will go no further in the boot process. Which of Joe's system upgrades is the cause of the problem?
A. The DVI cable is not properly seated
B. Speakers are not properly connected
C. Battery low on wireless mouse
D. Memory is mismatched
A technician is navigating through a Windows OS via command prompt. The technician needs to display the content of a folder. Which of the following is the BEST option for accomplishing this task?
A. dir
B. ls
C. rd
D. cmd
A technician has purchased a new surge protector to protect equipment in the production environment. The surge protector's features safeguard the connected equipment by directing surges to the:
A. path of shortest conductance.
B. path of lowest inductance.
C. path of highest voltage.
D. path of least resistance.
Which of the following file formats does Android use for application installation?
A. .ipa
B. .api
C. .apk
D. .exe
E. .sdk
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