Question 31
Question
You copy a file from a folder on a hard drive formatted as NTFS, with permissions set to Read for everyone, to a USB thumb drive formatted as FAT32. What effective permissions does the copy of the file have?
A. Read-only for everyone.
B. Full Control for everyone.
C. None.
D. You can’t copy a file from an NTFS drive to a FAT32 drive.
Answer
C. None.
Explanation
The key here is that you are copying from an NTFS hard drive to a FAT32 USB drive. Copying from an NTFS-based partition to a FAT- or exFAT-based partition creates two copies of the object; the copy of the object in the new location has no effective permissions at all.
Question 32
Question
What tool enables you to modify which programs start when Windows 10 starts?
A. msstartup
B. msinfo32
C. msconfig
D. Task Manager
Answer
D. Task Manager
Explanation
The Task Manager enables you to modify the applications and services that start with Windows 10.
Question 33
Question
Which of the following commands will delete all the files in a directory in Linux?
A. del *.*
B. del all
C. rm *
D. rm all
Answer
C. rm *
Explanation
Type rm * and press enter to delete all files in a directory in Linux.
Question 34
Question
What can device drivers and failing hardware in macOS and Linux cause?
A. Spinning windmill
B. Blue Screen of Death (BSoD)
C. Kernel panic
D. Terminal emulation
Answer
C. Kernel panic
Explanation
Device drivers and failing hardware can trip up macOS and Linux and create kernel panic, which can bring the system down.
Question 35
Question
Which of the following is an example of a hybrid topology?
A. Bus
B. Ring
C. Star
D. Star bus
Answer
D. Star bus
Explanation
A star bus topology, like the one used with Ethernet networks, is a hybrid topology.
Question 36
Question
Which of the following is the correct net syntax for discovering which network shares on a particular server are mapped on your computer?
A. net view \\fileserver
B. net \\fileserver
C. net map \\fileserver
D. net share \\fileserver
Answer
A. net view \\fileserver
Explanation
To see the network shares mapped on your computer, use net view \\fileserver
Question 37
Question
What technology enables 802.11n networks to make multiple simultaneous connections and thus improve speed over previous Wi-Fi standards?
A. Use of the 2.4-GHz frequency
B. Use of the 5-GHz frequency
C. MIMO
D. WPA2
Answer
C. MIMO
Explanation
The multiple input/multiple output (MIMO) technology implementing multiple antennas enables 802.11n networks to run at much faster speeds than previous Wi-Fi networks.
Question 38
Question
What option often enables you to diagnose TCP/IP errors such as connection problems?
A. FTP
B. ping
C. QoS
D. APIPA
Answer
B. ping
Explanation
You can often use the ping command to diagnose TCP/IP problems.
Question 39
Question
What is the difference between a virtual machine (VM) and an emulator?
A. A VM converts commands to and from a host machine to an entirely different platform, whereas an emulator creates an environment based on the host machine and does no converting.
B. An emulator converts commands to and from a host machine to an entirely different platform, whereas a VM creates an environment based on the host machine and does no converting.
C. An emulator requires a host OS, whereas a VM runs on bare-metal servers without an OS.
D. A VM requires a host OS, whereas an emulator runs on bare-metal servers without an OS.
Answer
B. An emulator converts commands to and from a host machine to an entirely different platform, whereas a VM creates an environment based on the host machine and does no converting.
Explanation
An emulator converts from one platform to another, whereas a virtual machine mirrors the host machine.
Question 40
Question
Which of the following display types will you commonly find on a portable PC today?
A. CRT
B. LCD
C. OLED
D. Plasma
Answer
B. LCD
Explanation
You’ll only see LCD displays on portables today (though they may be marketed as LED displays).