Which of the following files defines Linux group? The /etc/group is a text file which defines the groups to which users belong under Linux and UNIX operating system. Under Unix / Linux multiple users can be categorized into groups. Unix file system permissions are organized into three classes, user, group, and others.
What type of information does the ID command provide to you? id command in Linux is used to find out user and group names and numeric ID’s (UID or group ID) of the current user or any other user in the server.
Which options to find can you use to locate files on by a particular user? You need to use the find command to search for files in a directory hierarchy. It has options that allow you to search files owned by a specific user or groups under a Unix, Linux, *BSD, Apple macOS/OS X operating systems.
Which of the following symbols separates fields on each line of the ETC passwd file? The /etc/passwd file contains the username, real name, identification information, and basic account information for each user. Each line in the file contains a database record; the record fields are separated by a colon (:).
Which of the following files defines Linux group? – Additional Questions
How do you create a group in Linux?
To create a new group in Linux, follow these steps:
- Use the groupadd command.
- Replace new_group with the name of the group you want to create.
- Confirm by checking the /group/etc file (for example, grep software /etc/group or cat /etc/group).
- Use the groupdel command to remove the group entirely.
What are the three types of Linux user accounts?
There are three types of user in linux: – root, regular and service.
Which character in the password field of the ETC shadow file indicates that an encrypted password is set for the user account?
Password : An x character indicates that encrypted password is stored in /etc/shadow file. Please note that you need to use the passwd command to computes the hash of a password typed at the CLI or to store/update the hash of the password in /etc/shadow file.
Which of the following graphics/file types includes a collection of dots or pixels in a grid format?
A graphics program creates and saves one of three types of graphics files: bitmap, vector, and metafile. Bitmap images are collections of dots, or pixels, that form an image.
What type of attacks use every possible letter number and character found on a keyboard when cracking a password?
Brute-force attacks are carried out by hackers who try to crack a password by simply trying out different combinations of characters in quick succession. The algorithm is very simple and is limited to trying out as many character combinations as possible, which is why it is also called “exhaustive search”.
What tools are used to create modify and save bitmap vector and metafile graphics?
Chapter 6-13 multiple choice
| Question |
Answer |
| ____ are based on mathematical instructions that define lines, curves, text, ovals, and other geometric shapes. |
Vector graphics |
| You use ____ to create, modify, and save bitmap, vector, and metafile graphics files. |
graphics editors |
Which of the following is not a graphics file?
Graphic images are stored digitally using a small number of standardized graphic file formats, including bit map, TIFF, JPEG, GIF, PNG; they can also be stored as raw, unprocessed data.
Which one of the following is not an / a image / graphic file format?
| PNG (.png) |
Portable Network Graphics Format |
| BMP (.bmp) |
Bitmap image file format |
Which filename refers to a core Win32 subsystem DLL file?
Which filename refers to a core Win32 subsystem DLL file? User32.sys.
What structure is used for the file system for a SIM card?
The SIM card file system is organized in a hierarchal tree structure and resides in the EEPROM for storing data such as names and phone number entries, text messages, and network service settings.
What are the three 3 types of elementary files in the SIM file structure?
The File System consists of three types of files:
- master file (MF)
- dedicated files. DF (DCS1800) DF (GSM) DF (Telecom)
- elementary files – EF (ICCID)
What are the three 3 types of elementary files in the SIM file structure 😕
Security in SIM
The three file types, MF, DF, and EF, contain the security attributes. These security features filter every execution and allow only those with proper authorization to access the requested functionality.
What is inside the SIM card?
Data that SIM cards contain include user identity, location and phone number, network authorization data, personal security keys, contact lists and stored text messages. SIM cards allow a mobile user to use this data and the features that come with them.
Can I buy a SIM card for my iPhone?
Yes, your iPhone comes with a SIM card. However, there are times you might want to buy an extra SIM card, perhaps to ditch your existing carrier or when traveling.
How do I take out my iPhone SIM card?
To pop open the SIM tray, insert a paper clip or a SIM-eject tool into the hole beside the tray. Push in, towards the iPhone, but don’t force it. If you’re having difficulty ejecting the SIM tray, take your device to your carrier or an Apple Store for help.
Do u need a SIM card for an iPhone?
An iPhone can be used without a SIM card, making it similar to an iPod touch. You can use an old iPhone as a Wi-Fi-only device that still works with iMessage, FaceTime, Apple Music, Podcast and other iOS games that you’ve downloaded from the App Stores.
How can I use my old iPhone on Wi-Fi only?
Here are the steps to use either an iPhone or an iPad without cellular activity.
- Open Settings.
- Turn Airplane Mode ON. This will also disable Wi-Fi but we will re-enable it in the following step.
- Tap Wi-Fi and you will be directed to another screen.
How can I create an Apple ID without a phone number?
You are required to provide a telephone number in order to create an AppleID. No way around that requirement. And you would not be adding it to your iPad as an iPad cannot have a telephone number associated with it other than when linked to an iPhone.
