Which of the following commands would help you verify that a computer is connected to the network? 4. How to check your network connection in CMD. If you want to check whether your network connection to the router is operating as it should, you can use a combination of the commands ipconfig and ping.
Which command could you use to see the path that a packet traveled across a network to a remote host? Use the traceroute command to traceroute the FQDN and IP address of the Web site you are trying to reach. You are having trouble contacting a host on another network.
Which of the following commands should you use to check the route a packet takes between a workstation and the DNS server? Traceroute – The traceroute command is used to determine the path between two connections. Often a connection to another device will have to go through multiple routers.
What command will change the working directory to home Rbass Sourcefiles? What command will change the working directory to /home/rbass/sourcefiles? The linux command to change directory is cd.
Which of the following commands would help you verify that a computer is connected to the network? – Additional Questions
Why are file permissions used on a file system?
For files, the permissions have their common English meanings. If a user has read permission, he or she can read but not modify the file. A user needs write permissions to modify the file. To run the file as a compiled program, the user needs execute permissions.
Which command searches for and displays any text content of a binary file?
Cards
| Term ~ metacharacter
|
Definition A metacharacter used to represent a user’s home directory. |
| Term . Which command searches for and displays any text contents of a binary file? a. text b. strings c. od d. less |
Definition strings |
Which command will change the working directory to temp if the current working directory is home student?
The cd command, also known as chdir (change directory), is a command-line shell command used to change the current working directory in various operating systems.
Which command is used to return to the current users home directory?
To change directories, use the cd command. This command by itself will always return you to your home directory; moving to any other directory requires a pathname.
Which directory is the administrative superuser’s home directory?
The /root directory is the home directory of the root account.
How do I change the source location in R?
Step 1) Click on the Session tab. Step 2) Click on Set Working Directory > To Source File Location. Afterwards, you working directory will be changed to the location of your source file.
How do I list files in R?
List the Files in a Directory/Folder
- Description. This function produces a list containing the names of files in the named directory.
- Usage. list.files(path, pattern=NULL, all.files=FALSE, full.names=FALSE) dir(path, pattern=NULL, all.files=FALSE, full.names=FALSE)
- Arguments. path.
- Value.
- Note.
- Author(s)
- Examples.
How do I open a folder in R?
You can think of R as having a file explorer window open invisibly in the background. You can see the folder that’s open at the moment by typing getwd() at the console. setwd() tells R to open a different folder instead. setwd(‘../’) tells R to go up to a parent directory.
How do I create a directory in R?
Set your working directory
- Create a sub-directory named “R” in your “Documents” folder.
- From RStudio, use the menu to change your working directory under Session > Set Working Directory > Choose Directory.
- Choose the directory you’ve just created in step 1.
How do I set the current path in Python?
To find the current working directory in Python, use os. getcwd() , and to change the current working directory, use os. chdir(path) .
How do I import data into R?
Using R-Studio
- From the Environment tab click on the Import Dataset Menu.
- Select the file extension from the option.
- In the third step, a pop-up box will appear, either enter the file name or browse the desktop.
- The selected file will be displayed on a new window with its dimensions.
How do I import a CSV file into R?
Import CSV Files into R Step-by-Step Guide
- D:RStudioBinningdata. csv.
- data1 <- read. csv(“D:\RStudio\Binning\data.csv”, header=TRUE, stringsAsFactors=FALSE)
- library(readr) library(readr)
- Error: ‘U’ used without hex digits in character string starting “”C:U”
How do I open a file in RStudio?
Click on the Open an existing file icon in the RStudio toolbar. A Choose file dialog will open. Select the R script you want to open [this is one place where the . R file extension comes in handy] and click the Open button.
How do you subset in R?
6 Ways of Subsetting Data in R
- Subset Using Brackets by Selecting Rows and Columns.
- Subset Using Brackets by Excluding Rows and Columns.
- Subset Using Brackets with which() Function.
- Subset Data with subset() Function.
- Subset Data in Combination of select() and filter() Functions.
- Subset a Random Sample with sample() Function.
How do I read an Excel file in RStudio?
R
- Steps to import excel file using Dataset option from the environment window of Rstudio:
- Step 2: Select the option of “From excel” under the import Dataset option.
- Step 3: Select the browse option and select the excel file to be imported.
- Step 4: Select the import option and the excel file is successfully imported.
How do I import an Excel file into Python?
Steps to Import an Excel File into Python using Pandas
- Step 1: Capture the file path. First, you’ll need to capture the full path where the Excel file is stored on your computer.
- Step 2: Apply the Python code. And here is the Python code tailored to our example.
- Step 3: Run the Python code to import the Excel file.
How do I import a text file into R?
csv() method in R.
- Syntax: read.csv(path, header = TRUE, sep = “,”) Arguments : path : The path of the file to be imported.
- Syntax: # read data stored in .txt file. x<-read.table(“file_name.txt”, header=TRUE/FALSE)
- Syntax: read.delim(“file_name.txt”, sep=””, header=TRUE)
- Syntax: read_sav(“FileName.sav”)
