A+ Guide to IT Technical Support (Hardware and Software) (MindTap Course List)
A+ Guide to IT Technical Support (Hardware and Software) (MindTap Course List)
9th Edition
ISBN: 9781305266438
Author: Jean Andrews
Publisher: Cengage Learning
bartleby

Concept explainers

Expert Solution & Answer
Book Icon
Chapter 16, Problem 11RTB

Explanation of Solution

Given: The ports 110, 143, 993, and 995 are used by email protocols.

To find: The email protocols that use the port 110, 143, 993, and 995.

Solution: 

The POP3 protocol is the email protocol that uses port 110. It is an unsecured port as it doesn’t use the SSL protocol...

Blurred answer
Students have asked these similar questions
6. What is Race condition? How to prevent it? [2 marks] 7. How many synchronization methods do you know and compare the differences. [2 marks] 8. Explain what are the “mutual exclusion”, “deadlock”, “livelock”, and “eventual entry”, with the traffic intersection as an example like dinning philosophy. [2 marks] 9. For memory allocation, what are the difference between internal fragmentation and external fragmentation. Explain with an example. [2 marks] 10. How can the virtual memory map to the physical memory. Explain with an example. [2 marks]
Your answers normally have 50 words. Less than 50 words will not get marks. 1. What is context switch between multiple processes? [2 marks] 2. Draw the memory layout for a C program. [2 marks] 3. How many states does a process has? [2 marks] 4. Compare the non-preemptitve scheduling and preemptive scheduling. [2 marks] 5. Given 4 process and their arrival times and next CPU burst times, what are the average times and average Turnaround time, for different scheduling algorithms including: a. First Come, First-Served (FCFS) Scheduling [2 marks] b. Shortest-Job-First (SJF) Scheduling [2 marks] c. Shortest-remaining-time-first [2 marks] d. Priority Scheduling [2 marks] e. Round Robin (RR) [2 marks] Process Arrival Time Burst Time P1 0 8 P2 1 9 P3 3 2 P4 5 4
a database with multiple tables from attributes as shown above that are in 3NF, showing PK, non-key attributes, and FK for each table? Assume the tables are already in 1NF. [Hint: 3 tables will result after deducing 1NF -> 2NF -> 3NF]
Knowledge Booster
Background pattern image
Computer Science
Learn more about
Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, computer-science and related others by exploring similar questions and additional content below.
Similar questions
SEE MORE QUESTIONS
Recommended textbooks for you
Text book image
A+ Guide to Hardware (Standalone Book) (MindTap C...
Computer Science
ISBN:9781305266452
Author:Jean Andrews
Publisher:Cengage Learning
Text book image
LINUX+ AND LPIC-1 GDE.TO LINUX CERTIF.
Computer Science
ISBN:9781337569798
Author:ECKERT
Publisher:CENGAGE L
Text book image
A+ Guide To It Technical Support
Computer Science
ISBN:9780357108291
Author:ANDREWS, Jean.
Publisher:Cengage,
Text book image
Principles of Information Security (MindTap Cours...
Computer Science
ISBN:9781337102063
Author:Michael E. Whitman, Herbert J. Mattord
Publisher:Cengage Learning
Text book image
Systems Architecture
Computer Science
ISBN:9781305080195
Author:Stephen D. Burd
Publisher:Cengage Learning
Text book image
Comptia A+ Core 1 Exam: Guide To Computing Infras...
Computer Science
ISBN:9780357108376
Author:Jean Andrews, Joy Dark, Jill West
Publisher:Cengage Learning