- added/modify = questions & answers

java/java-quiz.md

@@ -212,7 +212,7 @@ class Main {
 - [ ] "-123"
 - [ ] It will throw an exception on line 5.
 - [x] "123"
-      
+
 **Explanation:** The answer is "123". The `abs()` method evaluates to the one inside mypackage.Math class.
 
 #### Q12. What is the result of this code?
@@ -874,25 +874,26 @@ public class Solution {
 - [x] double pi = 3.141;
 - [ ] float pi = 3.141;
 
-**Reasoning:** 
+**Reasoning:**
+
 ```java
 public class TestReal {
     public static void main (String[] argv)
     {
       double pi = 3.14159265;       //accuaracy upto 15 digits
       float pi2 = 3.141F;                //accuracy upto 6-7 digits
-  
+
       System.out.println ("Pi=" + pi);
       System.out.println ("Pi2" + pi2;
     }
   }
-  ```
-  ```
-  The default Java type which Java will be using for a float variable will be double. 
-  So, even if you declare any variable as float, what the compiler has to actually do is to assign a double value to a float variable, 
-  which is not possible. So, to tell the compiler to treat this value as a float, that 'F' is used.
-  ```
+```
 
+```
+The default Java type which Java will be using for a float variable will be double.
+So, even if you declare any variable as float, what the compiler has to actually do is to assign a double value to a float variable,
+which is not possible. So, to tell the compiler to treat this value as a float, that 'F' is used.
+```
 
 #### Q60. Use the magic power to cast a spell
 
@@ -970,6 +971,7 @@ try {
 - [ ] `DIV`
 
 [Reference](http://www.cs.ukzn.ac.za/~hughm/java/intro/week2/21.html)
+
 #### Q66. Which choice is a disadvantage of inheritance?
 
 - [ ] Overridden methods of the parent class cannot be reused.
@@ -1014,6 +1016,7 @@ groucyButton.addActionListener(new ActionListener() {
 [Reference](https://www.baeldung.com/java-8-functional-interfaces)
 
 #### Q69. What is a valid use of the hashCode() method?
+
 - [ ] encrypting user passwords
 - [x] deciding if two instances of a class are equal
 - [ ] enabling HashMap to find matches faster
@@ -1022,6 +1025,7 @@ groucyButton.addActionListener(new ActionListener() {
 [Reference](https://www.baeldung.com/java-hashcode)
 
 #### Q70. What kind of relationship does "extends" denote?
+
 - [ ] uses-a
 - [x] is-a
 - [ ] has-a
@@ -1030,14 +1034,30 @@ groucyButton.addActionListener(new ActionListener() {
 [Reference](https://www.c-sharpcorner.com/UploadFile/3614a6/is-a-and-has-a-relationship-in-java/)
 
 #### Q71. How do you force an object to be garbage collected?
+
 - [ ] Set object to null and call Runtime.gc()
 - [x] Set object to null and call System.gc()
 - [ ] Set object to null and call Runtime.getRuntime().runFinalization()
 - [ ] There is no way to force an object to be garbage collected
-[Reference](https://www.baeldung.com/java-hashcode)
+      [Reference](https://www.baeldung.com/java-hashcode)
+
+#### Q72. Java programmers commonly use design patterns. Some examples are the **\_\_**, which helps create instances of a class, the **\_\_**, which ensures that only one instance of a class can be created; and the **\_\_**, which allows for a group of algorithms to be interchangeable.
 
-#### Q72. Java programmers commonly use design patterns. Some examples are the ______, which helps create instances of a class, the ______, which ensures that only one instance of a class can be created; and the ______, which allows for a group of algorithms to be interchangeable.
 - [x] static factory method; singleton; strategy pattern
 - [ ] strategy pattern; static factory method; singleton
 - [ ] creation pattern; singleton; prototype pattern
 - [ ] singleton; strategy pattern; static factory method
+
+#### Q73. Using Java's Reflection API, you can use \_**\_ to get the name of a class and \_\_** to retrieve an array of its methods.
+
+- [x] this.getClass().getSimpleName(); this.getClass().getDeclaredMethods()
+- [ ] this.getName(); this.getMethods()
+- [ ] Reflection.getName(this); Reflection.getMethods(this)
+- [ ] Reflection.getClass(this).getName(); Reflection.getClass(this).getMethods()
+
+#### Q74. What is a valid use of the hashCOde() method?
+
+- [ ] moving objects from a List to a HashMap
+- [x] deciding if two instances of a class are equal
+- [ ] enabling HashMap to find matches faster
+- [ ] encrypting user passwords

linux/linux-assesment.md

@@ -26,15 +26,18 @@
 ```bash
 find / -size +10M -exec ls -l {} ;
 ```
+
 - [ ] It finds all files using ls -l and hands them off to the find command to display.
 - [ ] It finds all files older than 10 minutes and long lists them using the ls command.
 - [x] It finds all files larger than 10 MB and long lists them using the ls command.
 - [ ] It uses the ls command to find all files in the filesystem matching the {} wildcard.
 
 #### Q5. What would this locate command show?
+
 ```bash
 locate --regexp '^/usr.*pixmaps.*jpg$'
 ```
+
 - [ ] all files in a directory named pixmaps
 - [ ] all files ending in ".jpg"
 - [x] all file paths that start with "/usr", include the word "pixmaps", and end with ".jpg"
@@ -50,7 +53,7 @@ locate --regexp '^/usr.*pixmaps.*jpg$'
 #### Q7. Which command will tell you how long a system has been running?
 
 - [ ] log
-- [x] uptime 
+- [x] uptime
 - [ ] runtime
 - [ ] access
 
@@ -84,12 +87,12 @@ ps -e --format uid,pid,ppid,%cpu,cmd
 - [ ] !
 - [ ] !!
 - [ ] !\*
-- [x] !ls 
+- [x] !ls
 
 #### Q12. The ssh-copy-id command copies **\_** to the remote host.
 
 - [ ] both private and public keys
-- [x] the ssh public key 
+- [x] the ssh public key
 - [ ] the ssh private key
 - [ ] a fingerprint file
 
@@ -121,26 +124,26 @@ ps -e --format uid,pid,ppid,%cpu,cmd
 - [ ] alternative DNS services
 - [x] sources for name service information
 
-
 #### Q17. Assume the variable myNumber holds a string consisting of 10 digits. What will this command output?
+
 ```bash
 echo \$myNumber | sed -e 's/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g'
 ```
+
 - [ ] It will only match digits—and since the string has only digits, the command will output the same number without changes.
 - [ ] It will output the same 10-digit number, but every digit will be inside parentheses.
 - [ ] It will output the entire 10-digit number inside parentheses.
 - [x] It will output the same 10-digit number, but the first 3 digits will be inside parentheses.
 
-
 #### Q18. Packages can be downloaded but not installed with yum or dnf by specifying which option?
 
 - [ ] None of these answers. yum does not support downloading packages without installing them.
 - [ ] --downloaddir
 - [ ] -d
 - [x] --downloadonly
 
-
 #### Q19. What character class is equal to this set?
+
 [0-9]
 
 - [ ] [[:alnum:]]
@@ -149,6 +152,7 @@ echo \$myNumber | sed -e 's/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g'
 - [ ] [[:num:]]
 
 #### Q20. When archiving files, which command will preserve all file attributes including ACLs and SELinux security context?
+
 - [ ] zip
 - [x] tar
 - [ ] archive
@@ -168,8 +172,8 @@ echo \$myNumber | sed -e 's/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g'
 - [ ] vgappend
 - [x] vgextend
 
-
 #### Q23. When would this system cron job run its task?
+
 0 1 \* \* \*
 
 - [ ] every minute of the hour
@@ -182,7 +186,7 @@ echo \$myNumber | sed -e 's/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g'
 - [ ] netconf
 - [ ] ipconfig
 - [ ] ipman
-- [x] ip 
+- [x] ip
 
 #### Q25. You are managing an Apache web server on a system using SELinux. By default it cannot read personal webpages in users' home directories. What SELinux boolean would you set to allow this?
 
@@ -243,84 +247,102 @@ echo \$myNumber | sed -e 's/^[[:digit:]][[:digit:]][[:digit:]]/(&)/g'
 #### Q33. Which choice will not print "Hello World" in the terminal?
 
 - [ ]
+
 ```bash
 myVar = 5
 [[ $myVar -lt 10 ]] && echo " Hello World"
 ```
-- [ ] 
+
+- [x]
+
 ```bash
 myVar = 5
 [[ $myVar -lt 10 ]] || echo " Hello World"
 ```
-- [X] 
+
+- [x]
+
 ```bash
 myVar = 5
 [[ $myVar -gt 10 ]] && echo " Hello World"
 ```
+
 - [ ]
+
 ```bash
 myVar = 5
 [[ $myVar -gt 10 ]] || echo " Hello World"
 ```
 
 #### Q34. What is not inherited by child process?
+
 - [x] shell aliases
 - [ ] userid
 - [ ] environmental variables
 - [ ] scheduling priority
 
 #### Q35. What NFS option allows the root user to access NFS shares as the root user?
+
 - [ ] no_admin_squash
 - [ ] no_root_squash
 - [x] allow_root_access
 - [ ] all_squash
 
 #### Q36. You send an email to a remote client using the following syntax. What will be in the body of the email?
+
 ```bash
 date | mail -s "This is a remote test" user1@rhhost1.localnet.com
 ```
+
 - [ ] "This is a remote test"
 - [ ] the date, the time, and the words "This is a remote test"
-- [ ] The email subject shows "This is a remote test" but the body of the email will be empty. 
+- [ ] The email subject shows "This is a remote test" but the body of the email will be empty.
 - [x] the current date and time
 
 #### Q37. What is the /etc/hosts file used for?
+
 - [ ] resolving the local name
 - [ ] blocking sites using iptables
 - [x] setting the hostname
 - [ ] configuring DNS name servers
 
 #### Q38. In an extended regular expression, you would use (pattern){3} to match three instances of the pattern. How would you match the same thing with an extended glob?
+
 - [ ] 3(pattern)
 - [ ] {0,3}(pattern}
 - [x] Occurrence quantifiers are not supported in Bash's version of extended globs, so this is not possible.
 - [ ] {3}(pattern})
 
 #### Q39. When configuring a Samba share, how would the engineering group be specified in the smb.conf?
+
 - [ ] Samba uses Linux operating system groups from the /etc/group file; just specify the group name.
 - [x] It would be preceded by a percent sign (%), such as %engineers.
 - [ ] Use the group name by itself; Samba checks for its existence.
 - [ ] It would be preceded by an @ symbol, such as @engineering.
 
 #### Q40. To configure the Kerberos client, which command should you use to import the keytab file?
+
 - [ ] krb5-workstation
 - [x] ktutil
 - [ ] pam_krb5
 - [ ] kdb5_util
 
-#### Q41. To search from the current cursor position up to the beginning of the file using VIM, type ______ and then the search criteria.
+#### Q41. To search from the current cursor position up to the beginning of the file using VIM, type **\_\_** and then the search criteria.
+
 - [x] ?
 - [ ] \
 - [ ] /
 - [ ] /search
 
 #### Q42. What is the job of the NetworkManager daemon?
+
 - [ ] It is a graphical tool that manages network connections, including bonding and wireless networks.
 - [ ] It is a security service that manages user access control of local network-aware services.
 - [ ] It attempts to keep an active network connection available at all times.
 - [x] It is a command-line tool that manages network connections.
 
 #### Q43. Why might would you use the usermod command ?
+
 - [ ] to log out a user
 - [ ] to lock a user's account
 - [x] to change global user account settings

microsoft-word/microsoft-word-quiz.md

@@ -496,3 +496,21 @@ D. A flag icon with the colleague's name appears where their edit is being made.
 - [ ] an equation
 - [ ] a sketch
 - [ ] a symbol
+
+#### Q62. You're finalizing a document that contains some high-resolution images. You want to reduce the picture size while ensuring image quality is adequate for online viewing. What is a best-practice approach?
+
+- [ ] Review the images and crop as needed. Compress the images. Save the document and then compress the entire document.
+- [ ] Replace the images with lower-resolution images. Save the document and then compress it.
+- [x] Review the images and crop as needed. Then compress the images and delete cropped areas.
+- [ ] Review the images and crop as needed. Save document and then compress it.
+
+[Reference link](https://support.microsoft.com/en-us/topic/reduce-the-file-size-of-a-picture-in-microsoft-office-8db7211c-d958-457c-babd-194109eb9535)
+
+#### Q63. Before you send a document to an external client, you must remove personal information--including document author names, comments, and hidden text--from the doc. What tool can help you locate and clean up these details??
+
+- [ ] Accessibility Checker
+- [ ] Check Compatibility
+- [ ] Manage Document
+- [x] Document Inspector
+
+[Reference](https://support.microsoft.com/en-us/topic/remove-hidden-data-and-personal-information-by-inspecting-documents-presentations-or-workbooks-356b7b5d-77af-44fe-a07f-9aa4d085966f#:~:text=Click%20File%20%3E%20Info%20%3E%20Remove%20Personal,from%20the%20document%20check%20box.)