CIT A+ Final Exam Question - Part Four

Which port is used to transfer mail between mail servers on a network? A. 23 B. 25 C. 110 D. 143

B. 25

A laptop you are working on has several dead pixels on the display. How can you fix this? A. Degauss the display B. Replace the display C. Delete and reinstall the video driver D. Decrease the resolution

B. Replace the display

On a laser printer, the printed characters on the left side of documents are faint compared to the letters on the right. How can you quickly resolve this problem? A. Blow the excess dust out of the cartridge. B. Print your documents backward. C. Use different paper. D. Shake the toner cartridge.

D. Shake the toner cartridge.

What term is used to refer to a mobile device's mirroring of data with a conventional computer? A. Duplication B. Backing up C. Duplexing D. Synchronization

D. Synchronization

What type of device centralizes security management? A. IPS B. IDS C. Firewall D. UTM

D. UTM

Which type of Internet appliance will detect potential attacks for multiple computers and can take actions to stop them? A. NIPS B. NIDS C. HIPS D. HIDS

A. NIPS

What can be done with open-source software that cannot be done with closed-source software? A. The code can be changed. B. It can be installed by the user. C. It can be updated by the user. D. It can be downloaded from the Internet.

A. The code can be changed.

What is the most reliable way to reduce the cost of connecting to the Internet on a mobile device? A. Turn off cellular data and connect to a Wi-Fi network B. Use a disposable phone C. Prepay for Internet time D. Change mobile carriers before your contract expires

A. Turn off cellular data and connect to a Wi-Fi network

Which type of hypervisor is also called a bare metal hypervisor? A. Type 1 B. Type 2 C. Type 3 D. Any type, depending on how it's installed

A. Type 1

Where can you find applications for both Android and iOS devices? A. From websites run by the app developers B. From sources designed for the operating systems C. On discs purchased from retail outlets D. From the device's manufacturer

B. From sources designed for the operating systems

Which of the following laser printer components are most likely to cause a burn? A. Corona wire B. Fuser C. Refuser D. Drum

B. Fuser

What is the purpose of a magnetometer in a mobile device? A. To make the image on the screen turn sideways when the device is oriented that way B. To orient the device using the earth's magnetic field C. To allow in proximity charging D. To enable near field communication (NFC)

B. To orient the device using the earth's magnetic field

Your company has decided to host its own website and maintain DNS on site. How many DNS servers are needed? A. One B. Two C. Three D. Depends on the network size

B. Two

Which of the following is not an operating system commonly found on mobile devices? A. Android B. UNIX C. iOS D. Windows

B. UNIX

Using a multimeter, what reading should you get from pin 9 on a laser printer? A. +5V B. -5V C. +24V D. -24V

C. +24V

If a DHCP client is unable to reach a DHCP server, what will it do? A. Query the root DHCP server B. Configure itself with the address it last used C. Configure itself with an APIPA or link-local address D. It will not be able to use the network

C. Configure itself with an APIPA or link-local address

Why do mobile devices use accelerometers and gyroscopes? A. For geographic positioning B. To replace magnetometer C. For screen orientation D. For more accurate caller ID

C. For screen orientation

Which type of cloud service gives users extra network capacity but no software? A. SaaS B. PaaS C. IaaS D. NaaS

C. IaaS

Which cloud feature allows users to immediately get additional storage space as needed? A. Measured service B. Resource pooling C. Rapid elasticity D. Instant access

C. Rapid elasticity

Which of the following is not a common use for Bluetooth? A. To share data between devices B. To connect a mobile device to a sound system C. To replace Wi-Fi D. To connect a headset to a mobile device

C. To replace Wi-Fi

Which of the following is not a possible cause of paper jams in a laser printer? A. Worn pickup rollers B. Worn exit rollers C. Worn corona wire D. Paper that is too moist

C. Worn corona wire

What is the name of the file on a DNS server that stores records? A. Hosts file B. LMHOSTS C. Zone file D. Internet file

C. Zone file

What port number does SMTP with SSL use? A. 995 B. 993 C. 587 D. 465

D. 465

Using client-side virtualization, how many operating systems can be running on your computer at one time? A. Two B. Three C. Six D. Only limited by available resources

D. Only limited by available resources

Which of the following mail protocols is more likely than other mail protocols to use the same TCP port number when secure as it does when not secure? A. IMAP4 B. POP3 C. Web client D. SMTP

D. SMTP