Comptia A+ 1101

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

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


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