CompTIA A+ Core 1 (220-1101)

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463 Terms

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What is the port associated with HTTP
The port associated with HTTP is port 80.
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What is the port associated with HTTPS
The port associated with HTTPS is port 443.
3
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What is the port associated with SMTP
The port associated with SMTP (Simple Mail Transfer Protocol) is port 25.
4
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What is the port associated with POP3
The port associated with POP3 is port 110.
5
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What is the port associated with IMAP
The port associated with IMAP (Internet Message Access Protocol) is port 143.
6
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What is the port associated with encrypted SMTP
The port associated with encrypted SMTP is port 465.
7
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What is the port associated with encrypted POP3
The port associated with encrypted POP3 is port 995
8
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What is the port associated with encrypted IMAP
The port associated with encrypted IMAP is port 993.
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What is the port associated with SSH
The port associated with SSH (Secure Shell) is port 22.
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What is the port associated with TLS
The port associated with TLS (Transport Layer Security) is port 443.
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What are the ports associated with FTP
The ports associated with FTP (File Transfer Protocol) are ports 20 and 21.
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What is the port associated with SFTP

The port associated with SFTP (Secure File Transfer Protocol) is port 22

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What is the port associated with DNS
The port associated with DNS (Domain Name System) is port 53.
14
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What is the port associated with DHCP
The port associated with DHCP is UDP port 67 for the DHCP server and UDP port 68 for the DHCP client.
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What is the port associated with RDP
The port associated with RDP (Remote Desktop Protocol) is TCP port 3389.
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What are the ports associated with NetBIOS
The ports associated with NetBIOS are ports 137 and 139
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What is the port associated with LDAP
The port associated with LDAP (Lightweight Directory Access Protocol) is port number 389.
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What is the port associated with IMAP4
The port associated with IMAP4 is port number 143
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What are the ports associated with SNMP

The ports associated with SNMP (Simple Network Management Protocol) are UDP ports 161 and 162

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What is the port associated with LDAPS (LDAP over TLS/SSL)
The port associated with LDAPS is port number 636
21
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What is the port associated with TELNET
The port associated with TELNET is port 23
22
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What is the port associated with SMB
The port associated with SMB (Server Message Block) is port 445
23
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What is the port associated with TFTP?
The port associated with TFTP (Trivial File Transfer Protocol) is port 69
24
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What is USB 1.0 known as and at what speed can it run?
Known as low speed and it can run at 1.5 megabits per second
25
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What is USB 1.1 known as and at what speed can it run?
Known as full speed and it can run at 12 megabits per second
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What is USB 2.0 known as and at what speed can it run?
Known as hi-speed and it can run at 480 megabits per second
27
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What is USB 3.0 known as and at what speed can it run?
Known as super speed and is at least 5 gigabits per second
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What is USB 3.1 known as and at what speed can it run?
Known as Gen 1 superspeed and it can run at 5 gigabits per second or 500MB/s
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At what speed does USB 3.1 Gen 2 run at?
USB 3.1 Gen Two runs at 10 gigabits per second
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At what speed does USB 3.2 Gen 2x2 run at?
USB 3.2 Gen 2x2 runs at 20 gigabits per second
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At what speed does USB 4 run at?
USB 4 runs at 40 gigabits per second
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Which two USB’s need to have a shorter cable to give the best performance?
USB 4 and a USB 3.2 Gen 2x2
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What cable is most commonly used for desktops and laptops?
Type A Cable
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What cable came with USB 3 and beyond, can insert in either direction, is a modern connector, and is most commonly used for more modern laptops, tablets or smartphones?
Type C Cable
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What cable is most commonly used for printers?
Type B Cable
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What cable is most commonly used for early tablets and smartphones and have switched to Type C in the recent years?
Type B Mini (AKA USB Mini)
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What cable is most commonly used for small devices like wearables, smart glasses, music players and other similar devices?
Type B Micro (AKA USB Micro)
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What cable is most commonly used for hard drives and external storage devices?
Type B Micro SuperSpeed (AKA USB Micro 3)
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Which video cable is known as a high-definition multimedia interface and is the most widely used video interface in the world?
HDMI
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What is the standard HDMI category that is used for video content and can only support up to 1080p and 60 Hz?
Category 1
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What HDMI category uses higher resolutions and can support up to 4k and 60,120, or 144hz and includes premium highspeed of 18gbps and ultra highspeed of 48gbps?
Category 2
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What does DVI stand for and what is it used for?
Digital Visual Interface / used to support both analog and digital outputs
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What type of outputs/signals does DVI A support?
DVI A only supports analog signals
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What type of cable uses a 15-pin standard analog video interface port that would connect to the computer
VGA
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What does VGA stand for?
Video Graphics Array
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Which storage cable supports speeds up to 40 gigabits per second for data transfer?
Thunderbolt
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What connector does Thunderbolt 1 and 2 use?
DisplayPort
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Which storage cable has a specific proprietary connector that was created by apple?
Lightning Cable
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What is the standard cable that is the main method of connecting a storage device to a motherboard inside of a desktop computer?
SATA Cable
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What does SATA stand for?
Serial Advanced Technology Attachment
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What type of cables does SATA have and how many in a single cable?
There are 2 cables in a single SATA cable. A 7-pin data cable and a 15-pin power cable
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What version of SATA can support speeds of up to 1.5 gigabits per second?
SATA Version 1
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How fast can SATA version 1 transfer data?
1\.5 gigabits per second
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What version of SATA can support speeds of up 3 gigabits per second?
SATA Version 2
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How fast can SATA version 2 transfer data?
3 gigabits per second
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What version of SATA an support speeds of up to 6 gigabits per second
SATA Version 3
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How fast can SATA version 3 transfer data?
6 gigabits per second
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How many pins did a PATA data cable have?
40 pins
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What type of connector was used as a power connector for PATA?
A Molex cable
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What does PATA stand for?
Parallel Advanced Technology Attachment
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What is a Molex Power Connector?
A 4-pin connector that would attach from the power supply directly to a device
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What is a legacy parallel bus connector that allowed multiple devices to be daisy chained together?
SCIS
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What does SCIS stand for?
Small Computer Systems Interface
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How many cables were used in a single SCIS cable and what type of cables were they?
There were 2 cables in a single SCIS cable. A high density cable that had 68-pins for data transfer and a Molex (4-pin) cable for power
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What was an alternative for SCIS that had one single cable providing both power and data instead of 2 cables separating power and data?
SCA (Single Connector Attachment) which had 80 pins
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How many devices were able to be daisy chained using a narrow SCIS?
7 devices
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How many devices were able to be daisy chained using a wide SCIS?
15 devices
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What is the maximum length/recommended length for USB 1.0 before the signal begins to deteriorate?
3 meters or 9 ft
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What is the maximum length/recommended length for USB 1.1 before the signal begins to deteriorate?
5 meters or 15 ft
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What is the maximum length/recommended length for USB 2.0 before the signal begins to deteriorate?
5 meters or 15 ft
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What is the maximum length/recommended length for USB 3.0 before the signal begins to deteriorate?
3 meters or 9 ft
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What is the maximum length/recommended length for USB 4 before the signal begins to deteriorate?
3 meters or 9 ft
73
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What are the 6 steps to troubleshooting according to CompTIA?

1. Identify the problem
2. Establish a theory
3. Test the theory
4. Establish a plan of action
5. Verify system functionality
6. Documentation
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How many HDMI connectors are there and what type of connectors are they?
3 types:

Full size (Type A connector)

Mini connector (Type C)

Micro connector (Type D)
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What does DVI stand for and what type of connectors are there?
Digital Visual Interface

DVI A

DVI D

DVI I
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What type of outputs/signals does DVI A support?

DVI A only supports analog signals

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What type of outputs/signals does DVI D support?
DVI D only supports digital signals
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What type of outputs/signals does DVI I support?
DVI I support both digital and analog signals
79
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What does VGA stand for and what is it?
Video Graphics Array

Is the graphic standard that uses a 15-pin standard analog video interface port that would connect to the computer
80
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What connector does Thunderbolt 1 and 2 use?
DisplayPort
81
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What connector does Thunderbolt 3 use?
USB-C
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What is the first step in the troubleshooting steps?
Identify the problem
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What is the second step in the troubleshooting steps?
Establish a theory
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What is the third step in the troubleshooting steps?
Test the theory
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What is the fourth step in the troubleshooting steps?
Establish a plan of action
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What is the fifth step in the troubleshooting steps?
Verify system functionality
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What is the final step in the troubleshooting steps?
Documentation
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What are the 2 types of digital storages?
Temporary (Non-persistent) and Permanent (Persistent)
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What type of storage measures the speed of data in MHz or GHz?
Volatile (fast speed) and Non-volatile (slow speed)
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What is volatile compared to non-volatile?
Volatile requires power to retain information and as long as that power is on, then the information is kept but as soon as power is gone (computer shut down) then the information is lost. Non-volatile is kept even when power is lost (HDDs and SSDs when the computer is shut down it keeps the storage)
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What type of form factors are there for motherboards?
ATX (full-size)

Mini-ATX

Micro-ATX

ITX

Mini-ITX (technically ITX is the same as Mini-ITX since ITX is just the standard)
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What does ATX stand for?
Advanced Technology eXtended
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What does ITX stand for?
Information Technology eXtended
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What is ATX and all its sub factors mainly used for?
Personal computers and laptops
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What is ITX and all its sub factors mainly used for?
TVs, smart speakers, smartphones and other handheld objects
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What are the 3 types of processors?
x86 (32-bit processor)

x64 (64-bit processor)

ARM (Advanced RISC (Reduced Instruction Set Computing) Machine)
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What is an ARM processor?
A RISC processor with reduced set of instructions compared to x64 that rely on code instead of instructions to process tasks. Mainly used by Apple as their M1 series chips.
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What are the 2 types of CPU sockets?
LGA (Land Grid Array)

PGA (Pin Grid Array)
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What does ZIF stand for?
Zero Insertion Force
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What is ZIF?
The ability to insert the CPU without having to press down or apply pressure to it