A+ Core 1

Common battery types used in modern portable devices include:

• Lithium-ion (Li-ion)

• Lithium-ion Polymer (LiPo)

Which of the tools listed below can be used to monitor the health and performance of a laptop's storage drive?

S.M.A.R.T. (Self-Monitoring, Analysis, and Reporting Technology)

CPU (Central Processing Unit)

Main hardware component of a computer that is responsible for executing instructions and processing data

DoS (Denial of Service)

Cyber attack focused on making a website, service or network unavailable to users by overloading it with traffic or malicious requests

HTTPS (Hypertext Transfer Protocol Secure)

Network protocol that secures web traffic via SSL/TLS encryption

RFID (Radio Frequency Identification)

Wireless technology that enables identification and tracking of tags attached to objects

SSH (Secure Shell)

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

SSID (Service Set Identifier)

The network name visible to users when they look for available Wi-Fi networks

MAN (Metropolitan Area Network)

A computer network connecting multiple LANs over an area of a city

LDAP (Lightweight Directory Access Protocol)

Directory access protocol used to access, manage and verify centralized directory information (such as users, devices, permissions) over a network

IP (Information Protocol)

Network layer protocol that specifies that format of packets and addressing scheme in network communications

ACL (Access Control List)

Set of rules that specify which users or system processes are granted access to objects as well as what operations are allowed on an object

TCP (Transmission Control Protocol)

A connection-oriented network protocol using a three-way handshake (set of initial steps required to establish network connection). Supports retransmission of lost packets, flow control (managing the amount of data that is sent), and sequencing (rearranging packets that arrived out of order)

SIM (Subscriber Identity Module)

Type of smart card used in mobile phones to identify the client

DNS (Domain Name Server)

A system containing mappings of domain names to various types of data, such as numerical IP addresses

MFP (Multifunction Printer)

Combines printing, scanning, copying, and often faxing into a single unit

OS (operating system)

Acts as a intermediary between users and computer hardware, enabling both system operations and application execution

SFTP (Secure File Transfer Protocol)

Network protocol for secure file transfer over SSH

What is the primary purpose of SMART in storage media drives?

Prediction and reporting of impending drive failures

IMAP (Internet Message Access Protocol)

Retrieving email messages to and from a mail server

RAID (Redundant Array of Independent Disks)

A dedicated storage solution that combines multiple disk drive components into a single logical unit to increase volume size, performance, or reliability

What UDP port is used by a DHCP client to receive responses from a DHCP server?

Port 68

What protocol operates on TCP port 80?

HTTP

What is the default port for POP3 communication?

TCP port 110

What ports are assigned to NetBIOS services?

Port 136, 138, 139

Which service operates on TCP port 389?

LDAP