QUESTIONS

Telnet: (Select 3 answers) Encrypts network connection Provides username & password authentication Transmits data in an unencrypted form Does not provide authentication Enables remote login and command execution

- Provides username & password authentication - Transmits data in an unencrypted form - Enables remote login and command execution

The SMTP protocol is used for: (Select 2 answers) Sending email messages between mail servers Name resolution services Serving of web pages Retrieving email messages from mail servers Sending email messages from a client device

- Sending email messages between mail servers - Sending email messages from a client device

Which of the port numbers listed below are reserved for NetBIOS services? (Select 3 answers) 135 136 137 138 ` 139

137 138 139

Which of the following TCP ports is used by the Internet Message Access Protocol (IMAP)? 143 389 443 636

143

An SNMP Agent receives requests on UDP port: 161 137 162 138

161

An SNMP management station receives SNMP notifications from Agents on UDP port: 161 137 162 138

162

Which of the TCP ports listed below is used by Telnet? 20 21 22 23

23

Which of the following ports is assigned to the Domain Name System (DNS)? 53 67 110 389

53

The latest standard for mobile telecommunications is known as: 3G 4G 5G 6G

5G

An infrastructure device designed for connecting wireless/wired client devices to a network is commonly referred to as: Captive portal Access Point (AP) Intermediate Distribution Frame (IDF) Active hub

Access Point (AP)

Which of the following answers refer to the 2G/3G mobile telecommunications standards? (Select 2 answers) CDMA NFC CWDM GSM CSMA

CDMA GSM

Which of the following answers refer to the characteristic features of cable modems? (Select 3 answers) Cabling that carries TV signals Telephone lines Coaxial cabling Shared bandwidth Twisted-pair copper cabling Dedicated bandwidth

Cabling that carries TV signals Coaxial cabling Shared bandwidth

A network protocol providing an alternative solution to the manual allocation of IP addresses is known as: DNS SNMP NAT DHCP

DHCP

Examples of connectionless protocols include: (Select 2 answers) TCP DHCP SSH ) TFTP HTTPS

DHCP TFTP

Which of the following answers refers to a system containing mappings of domain names to various types of data, such as numerical IP addresses? TCP/IP DNS SQL DHCP

DNS

Which of the answers listed below apply to DSL modems? (Select 3 answers) Dedicated bandwidth Cabling that carries TV signals Shared bandwidth Twisted-pair copper cabling) Telephone lines Coaxial cabling

Dedicated bandwidth Twisted-pair copper cabling) Telephone lines

LDAP is an example of: Authentication protocol Address resolution protocol Directory access protocol File exchange protocol

Directory access protocol

IPS, TN, VA, and OLED are all implementations of the LCD display technology. True / False

FALSE

What is the function of FTP? Email service Directory access Serving of web pages File exchange

FILE EXCHANGE

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? HIDS Firewall Packet filter Vulnerability scanner

FIREWALL

Which of the answers listed below refer to common applications that make use of TCP? (Select 3 answers) Online gaming Video conferencing File transfer Voice over IP (VoIP) Email communication Web browsing Live streaming

File transfer Email communication Web browsing

Which of the following answers refer to the biometric authentication methods implemented in modern laptops? (Select 2 answers) Fingerprint scan Near-field scanner features GPS reading Face recognition Authenticator app

Fingerprint scan Face recognition

Which laptop feature allows to overcome standard keyboard size restrictions? Touchpad Numeric keypad Fn key Digitizer

Fn key

A mobile device's built-in functionality enabling the usage of locator applications is called: WPS GSM IMEI GPS

GPS

Which network protocol enables retrieving contents of an Internet page from a web server? SNMP HTTP SMTP IMAP

HTTP

What is the name of a network protocol that secures web traffic via SSL/TLS encryption? SFTP HTTPS FTPS SNMP

HTTPS

A network segment utilizing only this type of device is the most prone to network performance degradation due to large number of network collisions. Bridge Hub Switch Router

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. Router Switch Bridge Hub

HUB

Which of the following statements refer to the characteristic features of magnetic drives? (Select 3 answers) High capacity Low device cost High performance Low capacity High device cost Low performance

High capacity Low device cost Low performance

What are the characteristic features of In-Plane Switching (IPS)? (Select 3 answers) High color quality Fast response times Wide viewing angles Low color quality Slow response times Low viewing angles

High color quality Wide viewing angles Slow response times

Vertical Alignment (VA) display technology can be characterized by: (Select 3 answers) High contrast ratios Low color quality Good viewing angles Low contrast ratios Good color quality Low viewing angles

High contrast ratios Good viewing angles Good color quality

TCP port 80 is assigned to: Hypertext Transfer Protocol (HTTP) Hypertext Transfer Protocol over TLS/SSL (HTTPS) Internet Message Access Protocol (IMAP) Lightweight Directory Access Protocol (LDAP)

Hypertext Transfer Protocol (HTTP)

Which IEEE standard implements PoE+? IEEE 802.1d IEEE 802.3at IEEE 802.1X IEEE 802.3ab

IEEE 802.3at

Which of the following answers refers to a dedicated device designed for supplying power over Ethernet cabling? Inverter Tap Media converter Injector

INJECTOR

Which of the following answers refers to a display technology most commonly used in modern laptops? LCD OLED Plasma CRT

LCD

TCP port 389 is the default network port for: RDP LDAP SMB LDAPS

LDAP

Which of the following answers refer to common battery types that can be found in modern portable devices? (Select 2 answers) Nickel-Iron (Ni-Fe) Lithium-ion (Li-ion) ( Your answer) Nickel-Metal Hydride (Ni-MH) Lithium-ion Polymer (LiPo) ( Your answer) Nickel-Cadmium (Ni-Cd)

Lithium-ion (Li-ion) Lithium-ion Polymer

Which of the answers listed below describe the features of Solid-State Drives (SSDs)? (Select 3 answers) Low performance Relatively high device cost Lower capacity in comparison to magnetic drives High performance Relatively low device cost Higher capacity in comparison to magnetic drives

Low performance Relatively high device cost Lower capacity in comparison to magnetic drives

Which of the following answers describe the Twisted Nematic (TN) technology? (Select 3 answers) Low viewing angles Fast response times Low color quality High color quality Slow response times Wide viewing angles

Low viewing angles Fast response times Low color quality

Which of the following answers refers to a dedicated mobile app management software? UEM MAM RCS MDM

MAM

A type of layer 2 network switch with configuration features that can be modified through a user interface is known as: Virtual switch Multilayer switch PoE switch Managed switch

MANAGED SWITCH

Which of the following facilitates the enforcement of mobile device policies and procedures? MFA MMC MDM MFD

MDM

Which type of software enables a centralized administration of mobile devices? MFA MMC MDM MFD

MDM

Which of the answers listed below refer(s) to internal data storage device type(s) used in laptop computers? (Select all that apply) Flash drives USB drives Magnetic disks SSDs

Magnetic disks 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 Wi-Fi IoT WiMAX

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: RFID NFC Infrared(IR) Bluetooth

NFC

Which type of technology enables contactless payment transactions? NFC SDN PED WAP

NFC

Which of the following answers refers to a computer's hardware component designed for enabling network access? CPU PSU NIC GPU

NIC

Which of the answers listed below refers to the location of a laptop's Wi-Fi antenna? On the WLAN module Near the top, inside display case Inside laptop's case Typically attached via external expansion port

Near the top, inside display case

Which of the following answers refers to an API that enables communication between hosts on a LAN? DNS TCP/IP NetBIOS DHCP

NetBIOS

Which type of fiber-optic equipment can be found at a demarc? MDI IDF ONT MDF

ONT

Which of the following answers refer to IMAP4? (Select 2 answers) Offers improved functionality in comparison to POP3 Serves the same function as POP3 Enables sending email messages from client devices Offers less functions than POP3 Enables email exchange between mail servers

Offers improved functionality in comparison to POP3 Serves the same function as POP3

A simple device consisting of multiple connector blocks and ports used for cable management is known as: Media converter Demarc Main Distribution Frame (MDF) Patch panel

PATCH PANEL

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 RIS PRI PII

PRL

A solution that allows to supply electricity over standard Ethernet cables is known as: (Select 2 answers) IEEE 802.3ab PoE Metro-Ethernet IEEE 802.3af PSTN

PoE IEEE 802.3af

he IEEE 802.3bt standard implements: (Select all that apply) PoE PoE+ PoE++ 4PPoE

PoE++ 4PPoE

What are the characteristics of SMB/CIFS? (Select all that apply) Used mainly by computers running Linux distributions Provides shared access to files, directories, and devices Used mainly by computers running Microsoft Windows operating systems Enables voice and multimedia communications over IP networks

Provides shared access to files, directories, and devices Used mainly by computers running Microsoft Windows operating systems

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 SSH VNC Telnet

RDP

A device designed to filter and transfer data packets between dissimilar types of computer networks is called: Hub Load balancer Router Switch

ROUTER

Which of the answers listed below refers to a technology designed to simplify network infrastructure management? SAN SDN SSP SEH

SDN

Which of the following protocols runs on TCP port 445? HTTPS SMB/CIFS IMAP H.323

SMB/CIFS

TCP port 25 is used by: SNMP Telnet FTP SMTP

SMTP

A type of protocol used in network management systems for monitoring network-attached devices is called: SMB NTP SNMP RDP

SNMP

What is the most common memory module form factor type used in laptops? ECC RAM DIMM SODIMM CRIMM

SODIMM

A type of cryptographic network protocol for secure data communication, remote command-line login, remote command execution, and other secure network services between two networked computers is known as: TFTP SSH Telnet RDP

SSH

Which of the answers listed below refers to a secure replacement for Telnet? CHAP FTP SNMP SSH

SSH

Which of the following answers refer to connection-oriented protocols? (Select 2 answers) DHCP SSH TFTP UDP HTTPS

SSH HTTPS

Which of the answers listed below refers to a data-link layer device designed to forward frames between network segments? Hub Switch Firewall Router

SWITCH

Post Office Protocol v3 (POP3) uses: TCP port 110 UDP port 123 TCP port 143 UDP port 161

TCP port 110

Which port enables the FTP's Data Connection for sending file data? UDP port 20 TCP port 20 UDP port 21 TCP port 21

TCP port 20

The FTP's Control Connection for administering a session is established through: TCP port 20 UDP port 20 TCP port 21 UDP port 21

TCP port 21

SSH protocol runs on: TCP port 21 UDP port 22 TCP port 20 TCP port 22

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 1720 TCP port 636 TCP port 338 TCP port 445

TCP port 3389

Which of the following ports is used by HTTPS? TCP port 80 TCP port 443 UDP port 53 TCP port 143

TCP port 443

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 False

TRUE

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. True False

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 False

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 False

TRUE

n computer security, the term "Biometrics" refers to physical characteristics of the human body that can be used for identification and access control purposes. TRUE/FALSE

TRUE

Which of the following answers refers to a device capable of providing both input and output functions? Microphone Touchpad Speaker Touch screen Monitor

Touch screen

Which of the following answers refer to the function of digitizer? (Select 3 answers) Translates analog data into a format suitable for computer processing A type of output device Component of a mobile device's screen that allows to control the device with a stylus or fingertip An example of media converter A type of input device

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

Dynamic Host Configuration Protocol (DHCP) runs on: (Select 2 answers) UDP port 65 UDP port 66 UDP port 67 UDP port 68 UDP port 69

UDP port 67 UDP port 68

Examples of USB ports that can be found on mobile devices include: (Select 3 answers) USB-C Micro-USB USB Type-A Mini-USB USB Type-B

USB-C Micro-USB Mini-USB

Which of the answers listed below describe the function of a laptop's inverter? (Select 2 answers) Converts AC power into DC power Used for supplying voltage to backlights in older types of LCD panels Converts DC power into AC power Used for supplying voltage to backlights in OLED displays

Used for supplying voltage to backlights in older types of LCD panels Converts DC power into AC power

Docking stations: (Select 2 answers) Typically are designed to work with most laptop models (universal design) 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) Offer identical features as port replicators Typically offer less ports and capabilities than port replicators

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 of the following answers refer(s) to common applications of UDP? (Select all that apply) File transfer Email communication Web browsing Video conferencing Live streaming Online gaming Voice over IP

Video conferencing Live streaming Online gaming Voice over IP

Which type of expansion card enables communication in 802.11 networks? WLAN Riser card WPAN WWAN

WLAN

Which of the following answers refers to a laptop's Bluetooth module? WWAN WLAN Riser card WPAN

WPAN

A type of expansion card that enables communication over cellular network is referred to as: WPAN card WAN card WWAN card WLAN card

WWAN

What are the characteristic features of an OLED display? (Select 3 answers) Works without backlight Inferior contrast ratio and color representation in comparison to LCDs Lower light output (brightness) in comparison to LCDs Display type commonly used in modern laptop devices Better contrast ratio and color representation in comparison to LCDs Requires backlight to illuminate the screen Lower cost in comparison to LCDs Higher light output (brightness) in comparison to LCDs

Works without backlight Lower light output (brightness) in comparison to LCDs Better contrast ratio and color representation in comparison to LCDs

popular, short-range wireless technology used for connecting various personal devices in a WPAN is known as: 802.11 NFC Bluetooth Z-Wave

bluetooth

POP3 protocol is used for: Name resolution Sending email messages File exchange Email retrieval

email retrieval

The function of the NetBT protocol is to allow NetBIOS services to be used over TCP/IP networks. True False

false

Which of the following hardware components would be the most difficult to replace on a laptop computer? Optical drive Primary storage System board Integrated GPU Secondary storage

integrated GPU

A type of backlight technology most commonly used in modern laptop devices is known as: CCFL CRT OLED LED

led

What is the name of a proprietary connector type used by Apple mobile devices 8P8C connector Lightning connector BNC connector Lucent Connector (LC)

lightening connector

The process of establishing a connection between Bluetooth devices (e.g., between a Bluetooth enabled headset and a Bluetooth-enabled phone) is known as: Linking Tethering Three-way handshake Pairing

pairing

Which of the following answers refers to a security feature used in Bluetooth device pairing? PIN code Multi-factor authentication Biometrics Cleartext credentials

pin code

What is the name of a laptop component that provides the function of a pointing device? Fn key Trackpad Mouse KVM switch

track pad

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 False

true