Pop3 Study guides, Class notes & Summaries
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WGU Intro to IT Practice Test Questions & Answers(RATED A+)
- Exam (elaborations) • 16 pages • 2024
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All of the following are compiled languages except for: 
Javascript 
BASIC 
Java 
C++ -ANSWER Javascript 
 
Which of the following statements best describes the difference between information systems and information technology? 
There is no difference between information systems and Information Technology. 
 
An information system does not have to use computer hardware; whereas information technology requires the use of hardware and software. 
 
Information Technology is a broader concept and i...
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Final Exam: Progression: Field Tech III - IV Final Already Passed
- Exam (elaborations) • 22 pages • 2023
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Final Exam: Progression: Field Tech III - IV Final Already Passed 
The open system interconnection reference model (OSI/R<) Network layer serves which primary function? It uses layer 3 addresses to create multiple routed networks 
The address 68.56.189.17 belongs to which internet protocol IP class? Class A 
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? The datagram loops back inside the host and never leaves the network interface card (NIC) 
Which device ...
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NCTI FIELD TECH 3-4 TEST EXAM Complete Solutions | Latest 2023/2024
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NCTI FIELD TECH 3-4 TEST EXAM Complete Solutions | Latest 2023/2024 
The Open Systems Interconnection reference model (OSI/RM) Network Layer serves 
which primary purpose? -- It uses Layer 3 addresses to create multiple routed networks. 
The address 68.56.189.17 belongs to which Internet protocol (IP) class? -- Class A 
What happens to a datagram sent by a higher level protocol to a 127.x.y.z address? -- 
The datagram loops back inside the host and never leaves the network interface card 
(NIC)...
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CompTia Network+ questions with correct answers
- Exam (elaborations) • 68 pages • 2024
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CompTia Network+ questions with correct answers 
What ports do FTP ( File Transfer Protocol) use? Correct Answer-Ports 20 and 21 
 
Which internet protocol synchronizes the clock times of devices in a network by exchanging the signals? Correct Answer-NTP - Network Time Protocol 
 
What are ports 161 and 162? Correct Answer-SNMP-Simple Network Management Protocol 
 
What protocol can utilize ports 25 or 587 for formatting and sending emails? Correct Answer-SMTP-Simple Mail Transfer Protocol 
 
Wh...
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CREST CPSA
- Exam (elaborations) • 28 pages • 2022
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TCP 
Transmission Control Protocol 
 
 
 
UDP 
User Datagram Protocol 
 
 
 
Port 21 
FTP 
 
 
 
FTP 
File Transfer Protocol 
 
 
 
Port 22 
SSH 
 
 
 
SSH 
Secure Shell 
 
 
 
Port 23 
Telnet 
 
 
 
Port 25 
SMTP 
 
 
 
SMTP 
Simple Mail Transfer Protocol 
 
 
 
Port 49 
TACACS 
 
 
 
TACACS 
Terminal Access Controller Access Control System 
 
 
 
Port 53 
DNS 
 
 
 
DNS 
Domain Name System 
 
 
 
Port 67 (UDP) 
DHCP (Server) 
 
 
 
Port 68 (UDP) 
DHCP (Client) 
 
 
 
DHCP 
Dynamic Host Configu...
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CREST CPSA QUESTIONS AND ANSWERS 2023 (100% VERIFIED)
- Exam (elaborations) • 33 pages • 2023
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CREST CPSA QUESTIONS AND 
ANSWERS 2023 (100% VERIFIED) 
 
 
TCP - ANSWER-Transmission Control Protocol 
 
UDP - ANSWER-User Datagram Protocol 
 
Port 21 - ANSWER-FTP 
 
FTP - ANSWER-File Transfer Protocol 
 
Port 22 - ANSWER-SSH 
 
SSH - ANSWER-Secure Shell 
 
Port 23 - ANSWER-Telnet 
 
Port 25 - ANSWER-SMTP 
 
SMTP - ANSWER-Simple Mail Transfer Protocol 
 
Port 49 - ANSWER-TACACS 
 
TACACS - ANSWER-Terminal Access Controller Access Control System 
 
Port 53 - ANSWER-DN...
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Security Foundations - D481 - OA Study Guide Exam Questions And Answers
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Security Foundations - D481 - OA Study Guide Exam Questions And Answers 
 
File Transfer Protocol (FTP) 
20/21 TCP 
 
 
Secure Shell (SSH) 
22 TCP 
 
 
Telnet 
23 TCP 
 
 
SMTP - Simple Mail Transfer Protocol is used to send email over the internet 
25 TCP 
 
 
DNS - Domain Name Service is used to resolve hostnames to IPs and IPs to hostnames 
53 TCP/UDP 
 
 
DHCP - Dynamic Host Configuration Protocol. Auto config. of IP address, subnet mask & other options. Requires a DHCP server, and applianc...
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CREST CPSA EXAM QUESTIONS AND ANSWERS GRADED A 2024
- Exam (elaborations) • 28 pages • 2024
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TCP - Transmission Control Protocol 
 
UDP - User Datagram Protocol 
 
Port 21 - FTP 
 
FTP - File Transfer Protocol 
 
Port 22 - SSH 
 
SSH - Secure Shell 
 
Port 23 - Telnet 
 
Port 25 - SMTP 
 
SMTP - Simple Mail Transfer Protocol 
 
Port 49 - TACACS 
 
TACACS - Terminal Access Controller Access Control System 
 
Port 53 - DNS 
 
DNS - Domain Name System 
 
Port 67 (UDP) - DHCP (Server) 
 
Port 68 (UDP) - DHCP (Client) 
 
DHCP - Dynamic Host Configuration Protocol 
 
Port 69 (UDP) - TFTP 
 
T...
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2022/2023 CREST CPSA EXAM (GUARANTEED A+)
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2022/2023 CREST CPSA EXAM (GUARANTEED A+) 
 
 
TCP Port 1 - ANSWER-Multiplexer tcpmux 
 
TCP Port 7 - ANSWER-Echo 
 
TCP Port 11 - ANSWER-System status. syst at 
 
TCP 13 - ANSWER-Date and time. 
 
TCP 15 - ANSWER-netstat 
 
TCP 19 - ANSWER-chargen 
 
TCP 21 - ANSWER-ftp 
 
TCP 22 - ANSWER-ssh 
 
TCP 23 - ANSWER-Telnet 
 
TCP 25 - ANSWER-smtp 
 
TCP 37 - ANSWER-Time 
 
TCP 42 - ANSWER-wins 
 
TCP 43 - ANSWER-whois 
 
TCP 49 - ANSWER-tacacs 
 
TCP 53 - ANSWER-DNS 
 ...
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WGU COMPTIA 25-26 EXAM 2024/2025 WITH 100% CORRECT ANSWERS
- Exam (elaborations) • 11 pages • 2024
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WGU COMPTIA 25-26 EXAM 2024/2025 WITH 100% CORRECT ANSWERS 
 
 
Which identifier is a number that is tied to the user's account with the carrier and is included with a mobile device's SIM? 
Select one: 
a. EMI 
b. IMSI 
c. SSID 
d. ICCID - correct answer b. IMSI 
 
POP3 uses TCP port _______________. 
Select one:
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