Comptia A+ 1101
Which of the following hardware components would be the most difficult to replace on a laptop computer?
integrated GPU
Which laptop feature allows to overcome standard keyboard size restrictions?
FN key
TCP port 80 is assigned to:
Hypertext Transfer Protocol (HTTP)
What is the most common memory module form factor type used in laptops?
SO-DIMM
Which of the answers listed below refer to SSD form factors used in laptop computers? (Select 2 answers)
2.5 inch 1.8 inch
A dim display on a laptop LCD screen might indicate a problem related to: (Select 2 answers)
Backlight Inverter
A permanent computer display screen discoloration caused by displaying the same static image for extended periods of time is known as:
Burn-in
Which type of peripheral hardware would require the replacement of a burned-out bulb?
Computer Projector
Which of the answers listed below describe the function of a laptop's inverter?
Converts DC power to AC power Used for supplying voltage to backlights in older types of LCD panels
A tiny spot on an LCD monitor display screen that permanently remains black when it should be activated and displaying color is commonly referred to as stuck pixel. True or false
False
IPS, TN, VA, and OLED are all implementations of the LCD display technology. true or false
False
Which of the following answers refer to the biometric authentication methods implemented in modern laptops?
Finger print scan face recognition
What are the characteristic features of In-Plane Switching (IPS)? (Select 3 answers)
High color quality Wide viewing angles Slow response times
Vertical Alignment (VA) display technology can be characterized by: (Select 3 answers)
High contrast ratios Good viewing angles Good color quality
Which of the answers listed below refers to a display technology most commonly used in modern laptops?
LCD
TCP port 389 is the default network port for:
LDAP (Lightweight Directory Access Protocol)
A type of backlight technology most commonly used in modern laptop devices is called:
LED
Which of the following answers refer to common battery types that can be found in modern laptop devices?
Lithium-ion (Li-ion) Lithium-ion Polymer (LiPo)
When a computer monitor is unable to display image on the screen, the most common causes of this problem (and the easiest ones to fix) include: (Select 2 answers)
Loose cable connections Wrong input selection
Which of the answers listed below describe the Twisted Nematic (TN) technology? (Select 3 answers)
Low viewing angles Fast response times Low color quality
Which of the answers listed below refer(s) to internal data storage device type(s) used in laptop computers?
Magnetic discs SSDs
A technology implemented in modern laptops that enables data transfer and authentication features between the laptop and another portable device at a very close range is known as:
NFC
Which of the following answers refers to the location of a laptop's Wi-Fi antenna?
Near the top, inside display case
Due to size restrictions and compact nature of laptops devices, this type of storage media becomes less commonly found on new laptops.
Optical drives
Which of the port numbers listed below are reserved for NetBIOS services? (Select 3 answers)
Port 137 Port 138 Port 139
Which of the following TCP ports is used by the Internet Message Access Protocol (IMAP)?
Port 143
An SNMP Agent receives requests on UDP port:
Port 161
Which of the following ports is assigned to the Domain Name System (DNS)?
Port 53
Which of the actions listed below would be of help while troubleshooting non-responsive touchscreen on a mobile device?
Reseating the device's battery Erasing all content/settings and restoring the device to factory defaults (factory reset/hard reset) Pressing a specific key combination/button to perform system restart (soft reset) Removing screen protector and cleaning the screen
Which of the following protocols runs on TCP port 445?
SMB/CIFS
TCP port 25 is used by:
SMTP (Simple Mail Transfer Protocol)
Post Office Protocol v3 (POP3) uses:
TCP port 110
Which port enables the FTP's Data Connection for sending file data?
TCP port 20
The FTP's Control Connection for administering a session is established through:
TCP port 21
SSH protocol runs on:
TCP port 22
Which of the TCP ports listed below is used by Telnet?
TCP port 23
A network technician uses Remote Desktop Protocol (RDP) client on their Windows OS to remotely troubleshoot a problem on another Windows machine. Which of the following ports needs to be opened for the built-in Windows RDP server to allow this type of network connection?
TCP port 3389
Which of the following ports is used by HTTPS?
TCP port 443
Which of the following answers refers to a device capable of providing both input and output functions?
Touch screen
Which of the answers listed below refer to the function of digitizer? (Select 3 answers)
Translates analog data into a format suitable for computer processing component of a mobile device's screen that allows to control the device with a stylus or fingertip A type of input device
An SNMP management station receives SNMP notifications from Agents on UDP port:
UDP 162
Dynamic Host Configuration Protocol (DHCP) runs on: (Select 2 answers)
UDP port 67 UDP port 68
Docking stations:
Usually offer additional ports and capabilities compared to port replicators Typically are designed to work only with a specific laptop make and model (proprietary design)
Which laptop expansion card enables communication in 802.11 networks?
WLAN
Which of the answers listed below refers to a laptop's Bluetooth module?
WPAN
A type of laptop expansion card that enables communication over cellular network is referred to as:
WWAN
What are the characteristic features of an OLED display? (Select 3 answers)
Works without backlight Lower light output (brightness) in comparison to LCDs Better contrast ratio and color representation in comparison to LCDs
What is the name of a laptop component that provides the function of a pointing device?
trackpad
Which of the following answers refers to an HDD form factor for laptop computers?
2.5 inch