please asnwer right one do not use chatgpt please ### Problem Set Questions#### 21. Given `f()` and `main()`, what is the output when `main` is called?```cfunction f() { local p=$2; q=1; r=$1; }function main() { p=1; q=2; r=3; f $p $q $r; echo $p $q $r; }```Options:- (a) 1 1 1- (b) 1 2 2- (c) 3 3 2- (d) 3 1 1- (e) None of the above#### 22. When creating a tree of directories with depth `d` and breadth `b`, the directories that have yet to be explored are held (memorized) in:- (a) open- (b) closed- (c) temp- (d) successors- (e) none of the above#### 23. When creating a tree of directories with depth `d` and breadth `b`, how many nested loops do you have to have as we discussed in class?- (a) 1- (b) 2- (c) 3- (d) 4- (e) none of the above#### 24. When creating a tree of directories with depth `d` and breadth `b`, the directories that have already been explored are held (memorized) in:- (a) open- (b) closed- (c) temp- (d) successors- (e) none of the above#### 25. Depth-first search creates directories in the following order for `d=3` and `b=3`, where numbers are directory names and `/`'s are subdirectories:- (a) 0,1,2,/0,0,/1,0,/2,1/0,...- (b) 0,0,/0,0,/0,1,/0,0/2,0/1,/0,...- (c) 0,1,2,/0,0,/0,/0,/0,/0,/1,0,/0/2,...- (d) 0,0,/0,0,/,0,1,/1,1/0,/1,1 ## Bash Commands and Output Predictions: A Review### Bash Command Permissions6. **The Bash command to give everyone (user, group members, and the public) permission to read and execute is: `chmod`** - (a) 444 - (b) 555 - (c) 666 - (d) 777 - (e) none of the above7. **The Bash command to give the user and the group members permission to read and write is: `chmod`** - (a) 444 - (b) 555 - (c) 666 - (d) 777 - (e) none of the above### Bash Echo Command Outputs8. **Given `lst=(1 2 3)`, `echo $lst` will print:** - (a) 1 - (b) 1 2 3 - (c) (1 2 3) - (d) 1 2 3 in 3 lines - (e) None of the above9. **Given `lst=(1 2 3)`, `echo ${lst[@]}` will print:** - (a) 1 - (b) 1 2 3 - (c) (1 2 3) - (d) 1 2 3 in 3 lines - (e) none of the above10. **Given `lst=(1 2 3)`, `echo ${#lst[@]}` will print:** - (a) 1 - (b) 2 - (c) 3 - (d) 1 2 3 - (e) none of the above

Note: you have posted multiple questions according to Bartleby policy I can answer only the first 3…

21. Given f () and main (), what is the output when main is called? () { local p=$2; q=1; r=$1; } main() { p=1; q=2; r=3; f $p $q $r; (b)1 12 (c)3 32 (d)3 11 function function (a)1 11 echo $p $q $r; } e)None of the above 22. When creating a tree of directories with depth d and breadth b, the directories that have yet to be explored are held (memorized) in (a) open (b) closed (c) temp (d) successors (e)none of the above 23. When creating a tree of directories with depth d and breadth b, how many nested loops do you have to have as we discussed in class? (a)1 (b)2 (c) 3 (d) 4 (e)none of the above with depth d and breadth b, the directories that have already been (c) temp (d) successors (e)none of the above 24. When creating a tree of directories explored are held (memorized) in (a) open (b) closed

21. Given f () and main (), what is the output when main is called? () { local p=$2; q=1; r=$1; } main() { p=1; q=2; r=3; f $p $q $r; (b)1 12 (c)3 32 (d)3 11 function function (a)1 11 echo $p $q $r; } e)None of the above 22. When creating a tree of directories with depth d and breadth b, the directories that have yet to be explored are held (memorized) in (a) open (b) closed (c) temp (d) successors (e)none of the above 23. When creating a tree of directories with depth d and breadth b, how many nested loops do you have to have as we discussed in class? (a)1 (b)2 (c) 3 (d) 4 (e)none of the above with depth d and breadth b, the directories that have already been (c) temp (d) successors (e)none of the above 24. When creating a tree of directories explored are held (memorized) in (a) open (b) closed

Computer Networking: A Top-Down Approach (7th Edition)

7th Edition

ISBN:9780133594140

Author:James Kurose, Keith Ross

Publisher:James Kurose, Keith Ross

Chapter1: Computer Networks And The Internet

Section: Chapter Questions

Problem R1RQ: What is the difference between a host and an end system? List several different types of end...

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Question

please asnwer right one do not use chatgpt please

## Bash Commands and Output Predictions: A Review

### Bash Command Permissions

6. **The Bash command to give everyone (user, group members, and the public) permission to read and execute is: `chmod`**
- (a) 444
- (b) 555
- (c) 666
- (d) 777
- (e) none of the above

7. **The Bash command to give the user and the group members permission to read and write is: `chmod`**
- (a) 444
- (b) 555
- (c) 666
- (d) 777
- (e) none of the above

### Bash Echo Command Outputs

8. **Given `lst=(1 2 3)`, `echo $lst` will print:**
- (a) 1
- (b) 1 2 3
- (c) (1 2 3)
- (d) 1 2 3 in 3 lines
- (e) None of the above

9. **Given `lst=(1 2 3)`, `echo ${lst[@]}` will print:**
- (a) 1
- (b) 1 2 3
- (c) (1 2 3)
- (d) 1 2 3 in 3 lines
- (e) none of the above

10. **Given `lst=(1 2 3)`, `echo ${#lst[@]}` will print:**
- (a) 1
- (b) 2
- (c) 3
- (d) 1 2 3
- (e) none of the above

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