Question: A user types ssh someserver.example.com, but the ssh program hangs without producing any output. What is least likely to be the problem? a. the network

A user types ssh someserver.example.com, but the ssh program hangs without producing any output. What is least likely to be the problem?

a. the network is extremely congested

b. the users ISP is blocking outbound connections to port 22

c. the servers ISP is blocking inbound connections to port 22

d. the servers host firewall is blocking inbound connections to port 22

e. the servers TCP RST messages keep causing the client to continuously reset and retry making the connection

10. What error message would most likely occur when attempting to connect to port 80 of a public-facing server that has no HTTP daemon running on that port?

a. Network unreachable.

b. HTTP/404 - file not found.

c. Broken pipe.

d. Connection refused.

e. Unknown host.

11. A programmer instructs a program to open a listening socket on port 20000, but the program instead listens on port 8270. What went wrong? Hint: 20000 in hexadecimal is 4E20, while 8270 in hexadecimal is 204E.

__________________________________________________________

Step by Step Solution

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock blur-text-image

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Students Have Also Explored These Related Databases Questions!

Due Sunday, 11/20: Problems from Zimmerman text: 2-11, 2-44, Case 2-3, 7-7, and 7-20 Chapter Two The Nature of Costs Chapter Outline A. Opportunity Costs 1. Characteristics of Opportunity Costs 2....

Driver code^ org unit code: public class OrgUnit { String unitName,mainProject; double cashAvailable; int numEmployees; public String getUnitName() { return unitName; } public void setUnitName(String...

i want Format for case memos The memo should cover three important areas 1: The main problem the company/decision maker is facing (this is the most important step of the memo). This is your view of...

Chapter 2 User-Centered Systems Design: A Brief History Abstract The intention of this book is to help you think about design from a user-centered perspective. Our aim is to help you understand what...

ANSI-SPARC6 Programming Language Compilation Write notes on each of the following topics: (a) the implementation of labels and jumps in a recursive, block structured programming language [7 marks]...

Planning is one of the most important management functions in any business. A front office managers first step in planning should involve determine the departments goals. Planning also includes...

NOTE: your project MUST run on one of the Unix machines on campus, NOT ON YOUR PC. University-wide machines like giant will likely complain about resource usage! You can use any language that you...

I highly recommend that you DO NOT use threads! In the past, students unknowingly have created around 200 threads which of course causes the system to kill your programs. You will submit your source...

Let A, B be sets. Define: (a) the Cartesian product (A B) (b) the set of relations R between A and B (c) the identity relation A on the set A [3 marks] Suppose S, T are relations between A and B, and...

For the exclusive use of A. Young NA0232 Daktronics (A): The U.S. Digital Signage Industry in 2010 Joseph Kavanaugh, Sam Houston State University Joshua Warne and Carol J. Cumber, South Dakota State...

1. When recording the issuance of preferred stock, what amount is credited to the Preferred Stock account if 100 shares of $3 par value preferred stock are issued for $6 per share? a. $600 b. $100 c....

Define each of the following terms: a. Informal restructuring; reorganization in bankruptcy b. Assignment; liquidation in bankruptcy; fairness; feasibility c. Absolute priority doctrine; relative...

5. Under FAT32, how many bytes are used by a logical sector?

Consider the following table of the mortality rates of loans estimated by a F/I: For A-rated loans the yearly and cumulative loss in the first year is 0.5% and 0.5%, respectively; while for B-rated...

How does the purpose of an executive summary differ from that of a letter of transmittal? (Objective 4)

Cynthia Robertson graduated from the University of Pittsburgh 14 months ago. She received a scholarship to offset some of her tuition while attending Pitt as an undergraduate, but she took out a loan...

You recently moved to Phoenix, Arizona, to accept a job with Multimedia Masters. Until you moved to Phoenix, you had no idea how brutal the sun could be. One of your colleagues at Multimedia Masters...