The network administrator is investigating latency on a WiFi network. The administrator discovers a number of unidentified devices connected and wishes to limit access to only authorized users. Which of the following will BEST meet the requirement?
A. Assign static IP addresses
B. Enable MAC filtering
C. Disable SSID broadcast
D. Limit the DHCP scope
A company has a web application that is in the cloud on a multi-tenant server. The web application is connected to a database that is also in the cloud. Which of the following cloud computing concepts does this describe?
A. IaaS
B. PaaS
C. SaaS
D. DaaS
A small office owner has asked a technician to ensure all users in the office have the ability to access the wireless network but that the network is not accessible outside the building. Which of the following should the technician recommend? (Choose two.)
A. Change the static IP addresses
B. Change the antenna placement
C. Change the default SSID
D. Change the radio power level
E. Change the encryption type
F. Change the content filtering settings
A technician for an enterprise company is determining the best method to keep the organization's Windows PCs up to date with OS security patches. Which of the following options would be MOST appropriate to deploy?
A. Invest in a server solution to deploy virtual hosted desktops for all users
B. Enable Windows updates to be installed manually by users
C. Validate OS security patches in a test environment before pushing them to user machines
D. Outsource OS security patch management to a third-party solution provider
A user who is running Windows XP calls a technician to upgrade the computer to a newer Windows OS. The user states the computer has only 1GB of RAM and 16GB of hard drive space with a 1.7GHz processor. Which of the following Oss should the technician recommend to ensure the BEST performance on this computer?
A. Windows 7
B. Windows 8
C. Windows 8.1
D. Windows 10
A technician is troubleshooting an application install on a Linux PC and cannot install the application. Which of the following would be the BEST tool for the technician to use to install the application?
A. pwd
B. su
C. sudo
D. ls
E. sfc
A user's smartphone is getting a very weak signal from the service provider. One day the user notices the phone has full bars and the signal strength has inexplicably increased. Which of the following tools should be used to verify the user is connecting to a legitimate signal from the phone service provider?
A. WiFi analyzer
B. Cell tower analyzer
C. Spectrum analyzer
D. Packet analyzer
A technician is troubleshooting a PC that has been running slow. The technician looks at the resource utilization and notices the user has many programs open. When attempting to open another program, the technician receives a message indicating there are insufficient resources. Which of the following should the technician do to troubleshoot the issue?
A. Terminate the running processes
B. Increase the page file size
C. Renew the network connection
D. Run chkdsk
A user purchases a new Android smartphone. After downloading an application from a third-party app store, the user consults a technician about additional applications that have installed automatically. Which of the following BEST explains what has happened?
A. Unauthorized location tracking
B. Unauthorized camera activation
C. Unauthorized account access
D. Unauthorized root access
A customer has just experienced a blue screen and the PC will not boot. A technician is dispatched to the customer's site. Which of the following are the FIRST and LAST steps the technician should take? (Choose two.)
A. Test the theory to determine the cause
B. Document the findings
C. Establish a plan of action to resolve the problem and implement a solution
D. Identify the problem
E. Verify full system functionality and implement applicable preventive measures
F. Establish a theory of probable cause
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