Study Guide Exam 220-1101 Flashcards
What is another name for hard disk mirroring?
RAID 1
Which service helps manage corporate applications on mobile devices?
Mobile application management (MAM)
To secure a laptop from theft, use a _____.
Cable lock (or physical laptop lock)
FTP uses ports ___ and ___, and Telnet uses port ____.
20, 21, 23
Class C private IP addresses are in the ____ range.
192.168.0.0 to 192.168.255.255
In order to communicate on a network, TCP/IP hosts must have a unique _____ and valid _______.
TCP/IP stands for Transmission Control Protocol/Internet Protocol and is
IP address, subnet mask
Name one of the common rotational speeds of a magnetic hard drive.
5400 rpm, 7200 rpm, 10,000 rpm, and 15,000 rpm
What is the function of the corona assembly?
The corona assembly gets the toner from the photosensitive drum onto the paper. p209
What is a network dedicated to storage devices called?
Storage area network (SAN)
How do you fix a swollen battery on a mobile device?
Replace it
Two common types of laptop displays are ___ and ___.
LCD, OLED
The method that translates between private nonroutable IP addresses and public IP addresses is ____.
network address translation (NAT)
Two common types of internal expansion slots for laptops are ____ and ____.
Mini PCIe, M.2
The last step in the EP imaging process is____.
cleaning
If one end of an Ethernet patch cable is configured as T568B, the other end needs to be configured as _____.
T568B
To save heat, processors can use ____ to slow down and consume less energy.
Throttling
A ____ server can block objectionable content from users.
proxy
A proxy is a server or program that’s part of the gateway or another computer that separates a local network from outside networks. You can think of it as an intermediary between your computer and the web pages you access on the Internet. Proxies are useful because they can protect your computer from malware and unwanted access from third-party users.
What is jitter?
Variable latency on a network
____ are examples of print communication languages.
Printer Control Language (PCL), PostScript (PS), and Graphics Device Interface (GDI)
The component of a laptop’s video system responsible for sending the video signal is the ___.
Video card
What technology allows pairing of mobile devices and, on occasion, the ability to transfer files between them?
Bluetooth
When using the troubleshooting best practice methodology, what should you always consider?
Corporate policies, procedures, and impacts
What are three SSD communications interfaces?
NVMe, SATA, PCIe
SATA - serial AT attachment
What is the name of the network type that is segmented using a managed switch?
VLAN - virtual local area network, VLAN allows a network administrator to set up separate networks by configuring a network device, such as a router, without adjusting cabling. A VLAN allows a network to be divided, set up, and changed by a network administrator to organize and filter data accordingly.
VLANs are also critical because they improve overall network efficiency by grouping devices that most frequently communicate. VLANs offer protection in bigger networks by enabling a greater degree of control over the equipment. VLANs for enhanced traffic control are mostly set up by bigger organizations for repartition devices.
With EP imaging process laser printers, the laser discharges the charged photosensitive drum to ____________________ VDC.
−100
What is the maximum speed of USB 3.0?
5 Gbps
Class A IP addresses will have a first octet of between ____ and ___.
1 and 126
The IP (Internet Protocol) is the fundamental protocol for communications on the Internet. It specifies the way information is packetized, addressed, transferred, routed, and received by networked devices.
An IP address is a number identifying of a computer or another device on the Internet. It is similar to a mailing address, which identifies where postal mail comes from and where it should be delivered. IP addresses uniquely identify the source and destination of data transmitted with the Internet Protocol.
Class Address range Supports
Class A 1.0.0.1 to 126.255.255.254 Supports 16 million hosts on each of 127 networks.
Class B 128.1.0.1 to 191.255.255.254 Supports 65,000 hosts on each of 16,000 networks.
Class C 192.0.1.1 to 223.255.254.254 Supports 254 hosts on each of 2 million networks.
Class D 224.0.0.0 to 239.255.255.255 Reserved for multicast groups.
Class E 240.0.0.0 to 254.255.255.254 Reserved for future use, or research and development purposes.
ATX and ITX are examples of what?
motherboard form factors
Which type of DNS TXT record authenticates an email server via IP address?
SPF
Which protocol in TCP/IP is responsible for resolving IP addresses to MAC addresses?
ARP (Address Resolution Protocol)
Using an employee’s physical ID to authenticate to a printer is called what?
badging
A simple hardware device that allows for longer cable runs is called a(n) ________.
Repeater or extender
Name six types of data that get synchronized between a mobile device and a desktop.
Contacts, applications, email, pictures, music, videos, calendar, bookmarks, documents, location data, social media data, E-books, and passwords
If when the computer is turned on, the fan spins but no devices seem to have power, which component is most likely at fault?
Power supply
What two things are combined in a hybrid drive?
A magnetic drive and a solid-state drive
The _ protocol is used to retrieve mail and operates on port _.
IMAP, 143 or POP3, 110
What is a name for a legacy system that manages industrial processes such as manufacturing or HVAC?
SCADA
To use a wireless network, clients must connect to what type of device?
wireless access point or wireless router
Two analog video connectors are ___ and ___.
VGA and DVI-A
Which TCP ports are used for unsecure and secure IMAP?
Port 143 and port 993, respectively
Which metric should be used to ensure that the PSU can power all components?
Wattage rating
The language of communication spoken between computers on a network is called a _______.
protocol
What is the term for cloud service where the provider offers applications?
software as a service (SaaS)
A device that combines firewall, IPS, and antimalware software in one is called what?
Unified Threat Management (UTM)
The database containing information the DHCP server gives to clients is called what?
scope
Which system component is most likely to overheat?
CPU
Order these from slowest to fastest: SAS-3, IDE, SATA 3.0
IDE (100 Mbps), SATA 3.0 (6 Gbps), SAS-3 (12 Gbps)
The add-on card that allows your computer to project on a monitor is called what?
Video card
The diagnostic routine built into the BIOS is called the _______.
Power-on self-test (POST)
Copying data, such as calendars, contacts, photos, and music, between a computer and a mobile device is referred to as what?
Synchronization
What should you apply between the CPU and heat sink to avoid overheating?
thermal compound, thermal paste, thermal pads, or thermal gel
If the video on a laptop is not working, what should you should plug in?
An external monitor
If you want to plug your laptop into a power outlet in your car, you need a _________ power adapter.
DC
What type of cloud is completely owned by a company like Google but used by business clients?
Public
Mini PCIe cards have ____ connectors.
52-pin card edge
Which troubleshooting device can help determine problems during the boot process?
POST card
What is the difference between USB 3.1 and USB-C?
USB 3.1 is a standard, and USB-C is a connector type.
Wireless networks use ____ to identify themselves.
SSIDs
The part of the LCD that is responsible for providing enough light is called the ____.
backlight
A DVD-R SS, DL has how much capacity?
8.5 GB
The wireless networking standard 802.11n operates at ____ (frequency) and supports _____ (speed).
2.4 and 5GHz, up to 600 Mbps
The e in eSATA stands for ______.
external
Unevenly spaced characters in output from an impact or inkjet printer could indicate what?
A problem with the stepper motor
What two categories of materials will 3D printers use to create images?
Filament and resin
The process that an inkjet printer goes through after installing a new print cartridge is called ________.
printhead alignment