CompTIA A+ Certification Exam 220-1101 Practice Test 1
Which of the port numbers listed below are reserved for NetBIOS services?
138 139
Which of the following TCP ports is used by the Internet Message Access Protocol (IMAP)?
143
A popular, short-range wireless technology used for connecting various personal devices in a WPAN is known as:
Bluetooth
Which of the answers listed below refer to the 2G/3G mobile telecommunications standards
CDMA, GSM
Which of the following answers refer to the characteristic features of cable modems?
Cabling that carries TV signals, Coaxial cabling, Shared bandwith
Which of the following answers refers to a common fix for cursor drift?
Calibration
Examples of connectionless protocols include: (Select 2 answers)
DHCP and TFTP
Which of the answers listed below apply to DSL modems
Dedicated bandwidth, Twisted-pair copper cabling, Telephone lines
LDAP is an example of:
Directory access protocol
IPS, TN, VA, and OLED are all implementations of the LCD display technologyy:
False
Of the three existing versions of the Simple Network Management Protocol (SNMP), versions 1 and 2 (SNMPv1 and SNMPv2) offer authentication based on community strings sent in an unencrypted form (in cleartext). SNMPv3 provides packet encryption, authentication, and hashing mechanisms that allow to check whether data has changed in transit.
False
Which of the answers listed below refer to common applications that make use of TCP?
File transfer, Email communication, Web browsing
Which of the following statements refer to the characteristic features of magnetic drives? Select 3
High capacity, Low device cost, Low performance
What are the characteristic features of In-Plane Switching (IPS)? (Select 3)
High color quality, Wide viewing angles, Slow response times
Which of the following answers refers to the capability of a mobile device to share its Internet connection with other devices?
Hotspot, Tethering, Bluetooth
A network segment utilizing only this type of device is the most prone to network performance degradation due to large number of network colisions
Hub
The disadvantage from using this device results from the fact that any incoming signal on any of its ports is re-created and sent out on any connected ports which has a negative impact on network performance
Hub
Which of the following answers refers to a dedicated device designed for supplying power over Ethernet cabling?
Injector
Which of the following hardware components would be the most difficult to replace on a laptop computer?
Integrated GPU
A device designed to filter and transfer data packets between dissimilar types of computer networks is called:
Router
Which of the following protocols run on TCP port 445?
SMB/CIFS
TCP port 25 is used by:
SMTP (Simple Mail Transfer Protocol)
A type of protocol used in network management systems for monitoring network-attached devices is called:
SNMP (Simple Network Management Protocol)
What is the most common memory module form factor type used in laptops?
SODMM
Which of the following answers refer to connection-oriented protocols
SSH and HTTPS
A type of layer 2 network switch with configuration features that can be modified through a user interface is known as:
Managed Switch
Which of the following answered refer to the biometric authentication methods implemented in modern laptops?(select 2)
Fingerprint scan, Face recognition
Which of the following answers refers to a software or hardware that monitors network traffic and depending on the configuration settings applied to each data packet either blocks it or allows it to pass through?
Firewall
What is the name of a network protocol that secures web traffic via SSL/TLS encryption?
HTTPS (Hypertext Transfer Protocol Secure)
Which of the following answers refers to a computer's hardware component designed for enabling network access?
NIC
Which of the answers listed below refers to the location of a laptop's WI-FI antenna
Near the top, inside display case
Which of the following answers refers to an API that enables communication between hosts on a LAN?
NetBIOS
Which type of fiber-optic equipment can be found at a demarc
ONT
Which of the following answers refer to IMAP4?
Offers improved functionality in comparison to POP3 Serves the same function as POP3
Which of the following answers refers to a security feature used in the Bluetooth device pairing process?
PIN code
Which of the answers listed below describe the features of Solid-State Drives (SSDs)? Select 3
Relatively high device cost, Lower capacity in comparison to magnetic drives, High performance
Which of the following answers refer to the function of digitizer? (Select 3)
Translates analog data into format suitable for computer processing
In computer security, the term "Biometrics" refers to physical characteristics of the human body that can be used for identification and access control purposes.
True
The function of the NetBT protocol is to allow NetBIOS services to be used over TCP/IP networks
True
The term "Mobile hotspot" refers to a type of WLAN that enables network access through a mobile device that acts as a portable WAP.
True
Examples of USB ports that can be found on mobile devices include:
USB-C, Micro-USB, Mini-USB
Which of the answers listed below refers to a data-link layer device designed to forward frames between network segments?
Switch
Which of the TCP ports listed below is used by Telnet?
TCP 23
Post Office Protocol v3 (POP3) uses:
TCP port 110
Which port enables the FTP's Data Connection for sending file data?
TCP port 20
SSH protocol runs on:
TCP port 22
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 the capability of a mobile device to share its Internet connection with other devices?
Tethering
What are the characteristic features of an OLED display(select 3)
Works without backlight, Lower light output in comparison to LCDs, Better contrast ratio and color representation in comparison to LCDs
Examples of mobile device synchronization methods for Apple iOS devices include: (Select all that apply)
iTunes, iCloud
The process of establishing a connection between Bluetooth devices (e.g. between a Bluetooth enabled headset and a Bluetooth-enabled phone) is known as:
pairing
Which of the following facilitates the enforcement of mobile device policies and procedures?
MDM (Mobile Device Management)
Which type of software enables centralized administration of mobile devices?
MDM (Mobile Device Management)
Which of the answers listed below refer(s) to the internal data storage device types(s) used in laptop computers?
Magnetic Disks, SSDs
Which of the following answers refers to a display technology most commonly used in modem 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 known as:
LED
Which of the answers listed below describe the function of a laptop's inverter?
Used for supplying voltage to backlights in older types of LCD panels, ?Converts DC power into AC power
Which of the following answered refers to a laptop's Bluetooth module?
WPAN
POP3 protocol is used for:
Email Retrieval
Which IEEE standard implements PoE+
IEEE 802.3at
Which of the following answers refers to a Microsoft-proprietary remote-access protocol providing a user with graphical interface for connecting to another computer over a network?
RDP
Which of the following answers refers to a device capable of providing both input and output functions?
Touch Screen
Which of the following answers refer to the function of digitizer?
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
Long Term Evolution (LTE) is a wireless communications standard for mobile devices and wireless hotspots. LTE offers significant improvements in terms of speed when compared to the older generation of 3G cellular networks. LTE and its later revision LTE-Advanced (LTE-A) are often marketed as 4G standards.
True
User Datagram Protocol (UDP) is an example of a connectionless protocol. Because UDP does not support a three-way handshake while establishing a network connection, it is referred to as an unreliable or best-effort protocol.
True
Which of the following ports is assigned to the Domain Name System (DNS)?
53
The latest standard for mobile telecommunication is known as:
5G
An INfrasturcture device designed for connecting wireless/wired client devices to a network is commonly referred to as:
Access Point (AP)
The term "Mobile device synchronization" refers to the process of making the same data available on multiple devices. Synchronized data might include contacts, applications, emails, pictures, music, video, calendars, bookmarks, documents, location data, social media data, e-books, or passwords. Examples of synchronization methods include synchronizing mobile devices to desktop, cloud, or automobile console.
True
Transmission Control Protocol (TCP) is a connection-oriented protocol using a three-way handshake, which is a set of initial steps required to establish network connection. TCP supports retransmission of lost packets, flow control (managing the amount of data that is being sent), and sequencing (rearranging packets that arrived out of order).
True
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
What are the characteristics of SMB/CIFS?
Used mainly by computers running Microsoft Windows operating systems Provides shared access to files, directories and devices
Which of the following answers refers(s) to common applications of UDP?
Video conferencing, Live streaming, Online gaming, Voice over IP (VoIP)
Which type of expansion card enables communication in 802.11 networks?
WLAN (Wireless Local Area Network)
A type of expansion card that enables communication over sellular network is referred to as:
WWAN
Which laptop feature allows to overcome standard keyboard size restrictions?
FN key
A mobile device's built-in functionality enabling the usage of locator applications is called:
GPS
Vertical Alignment (VA) display technology can be characterized by:( Select 3)
High contrast ratios, Good viewing angles, Good color quality
Which of the following are examples of universal connection types that enable mobile device synchronization?
IEEE 802.11, USB-C, Cellular, Bluetooth, IEEE 802.3, All of the Above
What is the name of a proprietary connector type used by Apple mobile devices?
Lightning connector
Which of the following answers refer to common battery types that can be found in modern portable devices?(select 2 answers
Lithium-ion (Li-on) Lithium-ion Polumer (Lipo)
Which of the following answered describe the Twisted Nematic (TN) technology? (Select 3)
Low viewing angles, Fast response times, Low color quality
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
A very short-range communication method where a wireless signal is sent between two devices that are touching or nearly touching each other is a characteristic feature of:
NFC
A database on a mobile device containing bands, sub-bands and service provider IDs allowing the device to establish connection with the right cell phone tower is called:
PRL
A simple device consisting of multiple connector blocks and ports used for cable management is known as:
Patch panel
solution that allows to supply electricity over standard Ethernet cables is known as: (Select 2 answers)
PoE, IEEE
The IEEE 802.bet standard implements:
Poe++, 4PPoE
An SNMP Agent receives requests on UDP port:
Port 161
Which of the actions listed below would be of help while troubleshooting non-responsive touchscreen on a mobile device?
Researching the device's battery Erasing all content/settings and restoring the device to factory defaults(factory reset/hard reset) Resting a specific key combination/button to perform system restart(soft reset) Removing screen protector and cleaning the screen
The FTP's Control Connection for administering a session is established through:
TCP port 21