CompTIA A+ 220-1101 Core 1 Study
Guide Exam and Actual Answers.
Local Area Network (LAN) - Answer A network that covers a relatively small area such as a
building or group of buildings
(1.1 & 2.7)
Personal Area Network (PAN) - Answer - Provides communication for devices owned by a
single user that work over a short distance
- Bluetooth, IR, NFC, etc.
(1.1 & 2.7)
LCD (Liquid Crystal Display) - Answer Lightweight & Inexpensive - Poor black levels due to
Separate Backlight
(1.2)
TN (twisted nematic) - Answer Fast response Times - Low cost - Low Power Use - Limited
Viewing Angles
(1.2)
IPS (In Plane Switching) - Answer Better Colors - Better Viewing Angles - More Expensive
(1.2)
OLED (organic light-emitting diode) - Answer Thinner & Brighter - No Need for Backlight
(1.2)
MDM (mobile device management) - Answer - Manage company & user devices
- Centralized management system
- Ensures device security
(1.4)
MAM (mobile application management) - Answer - Set policies & restrictions on apps
,(1.4)
Port 20/21 - Answer FTP (File Transfer Protocol)
- 20(TCP) for Data Transfers
- 21(TCP) to Control Data Transfers
(2.1)
Port 22 - Answer SSH (Secure Shell) - TCP
- Encrypted Communication
- Looks/Acts the same as Telnet
(2.1)
Port 23 - Answer Telnet (Telecommunications Network) - TCP
- Non-encrypted Communication
- Log into devices remotely
(2.1)
Port 25 - Answer SMTP (Simple Mail Transfer Protocol) - TCP
- Used to send mail from device to mail server
(2.1)
Port 53 - Answer DNS (Domain Name System) - UDP
- Converts names to IP addresses
- CRITICAL Resource
(2.1)
Port 67/68 - Answer DHCP (Dynamic Host Configuration Protocol) - UDP
- Automated configuration of IP addresses
- IPs can be reserved for certain devices
- IP Range: 10.1.10.10 through 10.1.10.199
(2.1)
, Port 110 - Answer POP3 (Post Office Protocol 3) - TCP
- Receive emails from an email server
- Basic mail transfer functionality
(2.1)
Port 143 - Answer IMAP (Internet Mail Access Protocol) - TCP
- Includes management of email inboxes from multiple clients. (Sync email across multiple
devices)
(2.1)
Port 161/162 - Answer SNMP (Simple Network Management Protocol) - UDP
- Port 161 queries devices for performance statistics.
- Port 162 monitors when metrics exceed a certain threshold.
(2.1)
Port 389 - Answer LDAP (Lightweight Directory Access Protocol) - TCP
- Store & retrieve info in a network directory.
- Commonly used in Microsoft Active Directory.
(2.1)
Port 443 - Answer HTTPS (Hyper Text Transfer Protocol Secure) - TCP
- Encrypted Communication in the Browser
(2.1)
Port 445 - Answer Server Message Block (SMB) & Common Internet File System (CIFS) - TCP
- Provides direct connection & communication over TCP without the NetBIOS Transport
(2.1)
Port 3389 - Answer RDP (Remote Desktop Protocol) - TCP
- Share a desktop from a remote location
Guide Exam and Actual Answers.
Local Area Network (LAN) - Answer A network that covers a relatively small area such as a
building or group of buildings
(1.1 & 2.7)
Personal Area Network (PAN) - Answer - Provides communication for devices owned by a
single user that work over a short distance
- Bluetooth, IR, NFC, etc.
(1.1 & 2.7)
LCD (Liquid Crystal Display) - Answer Lightweight & Inexpensive - Poor black levels due to
Separate Backlight
(1.2)
TN (twisted nematic) - Answer Fast response Times - Low cost - Low Power Use - Limited
Viewing Angles
(1.2)
IPS (In Plane Switching) - Answer Better Colors - Better Viewing Angles - More Expensive
(1.2)
OLED (organic light-emitting diode) - Answer Thinner & Brighter - No Need for Backlight
(1.2)
MDM (mobile device management) - Answer - Manage company & user devices
- Centralized management system
- Ensures device security
(1.4)
MAM (mobile application management) - Answer - Set policies & restrictions on apps
,(1.4)
Port 20/21 - Answer FTP (File Transfer Protocol)
- 20(TCP) for Data Transfers
- 21(TCP) to Control Data Transfers
(2.1)
Port 22 - Answer SSH (Secure Shell) - TCP
- Encrypted Communication
- Looks/Acts the same as Telnet
(2.1)
Port 23 - Answer Telnet (Telecommunications Network) - TCP
- Non-encrypted Communication
- Log into devices remotely
(2.1)
Port 25 - Answer SMTP (Simple Mail Transfer Protocol) - TCP
- Used to send mail from device to mail server
(2.1)
Port 53 - Answer DNS (Domain Name System) - UDP
- Converts names to IP addresses
- CRITICAL Resource
(2.1)
Port 67/68 - Answer DHCP (Dynamic Host Configuration Protocol) - UDP
- Automated configuration of IP addresses
- IPs can be reserved for certain devices
- IP Range: 10.1.10.10 through 10.1.10.199
(2.1)
, Port 110 - Answer POP3 (Post Office Protocol 3) - TCP
- Receive emails from an email server
- Basic mail transfer functionality
(2.1)
Port 143 - Answer IMAP (Internet Mail Access Protocol) - TCP
- Includes management of email inboxes from multiple clients. (Sync email across multiple
devices)
(2.1)
Port 161/162 - Answer SNMP (Simple Network Management Protocol) - UDP
- Port 161 queries devices for performance statistics.
- Port 162 monitors when metrics exceed a certain threshold.
(2.1)
Port 389 - Answer LDAP (Lightweight Directory Access Protocol) - TCP
- Store & retrieve info in a network directory.
- Commonly used in Microsoft Active Directory.
(2.1)
Port 443 - Answer HTTPS (Hyper Text Transfer Protocol Secure) - TCP
- Encrypted Communication in the Browser
(2.1)
Port 445 - Answer Server Message Block (SMB) & Common Internet File System (CIFS) - TCP
- Provides direct connection & communication over TCP without the NetBIOS Transport
(2.1)
Port 3389 - Answer RDP (Remote Desktop Protocol) - TCP
- Share a desktop from a remote location
