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Question ID 4236

You receive error messages that the /lard file system is full. You check and see that it has a large file called swapfile. Your system has more than enough swap space. You suspect that the file is in use as swap space.
Which sequence of commands confirms that the file is in use as swap space, and helps correct the file system problem?
 

Option A

A.    swap -r /lard/swapfile ; rm /lard/swapfile
 

Option B

B.    swap -l ; swap -d /lard/swapfile ; rm /lard/swapfile

 

Option C

C.    swap -l ; rm /lard/swapfile ; swap -d /lard/swapfile
 

Option D

D.    swap -l ; swap -r /lard/swapfile ; rm /lard/swapfile

Correct Answer B
Explanation


Question ID 4237

The production server needs additional swap space due to lack of physical memory. The system has only one disk and is partitioned as follows:
Part Tag Flag Cylinders Size Blocks
0 root wm 1041 - 38491 18.00GB (37451/0/0) 37750608
1 swap wu 0 - 1040 512.37MB (1041/0/0) 1049328
2 backup wm 0 - 39532 19.00GB (39533/0/0) 39849264
3 unassigned wm 0 0 (0/0/0) 0
4 unassigned wm 0 0 (0/0/0) 0
5 unassigned wm 0 0 (0/0/0) 0
6 unassigned wm 0 0 (0/0/0) 0
7 unassigned wm 0 0 (0/0/0) 0
There is one swap slice configured and active:
# swap -l
swapfile dev swaplo blocks free
/dev/dsk/c0t0d0s1 136,1 16 1049312 0
The root file system is a flat file system:
# df -k /
Filesystem kbytes used avail capacity Mounted on
/dev/dsk/c0t0d0s0 18575269 9549546 9025723 53% /
Which two methods can be used to temporarily add swap space? (Choose two.)
 

Option A

A.    add slice 2 as swap: # swap -a /dev/dsk/c0t0d0s2
 

Option B

B.    create a 512 megabyte swap file on the root disk: # mkfile 512m /swapfile
# swap -a /swapfile
 

Option C

C.    remove the existing swap and read it using swap compression: # swap -d /dev/dsk/c0t0d0s3 # swap -a -c /dev/dsk/c0t0d0s3
 

Option D

D.    repartition the disk so that slice 3 contains the unused cylinders 38492 through 39532, and then
add slice 3 as swap:
# swap -a /dev/dsk/c0t0d0s3

 

Option E

E.    use NFS to mount a file system from the development server, and then create and use a swap
file on the remote system:
# mkdir /data
# mount -F nfs tokyo:/export/data /data
# mkfile /data/swapfile
# swap -a /data/swapfile

Correct Answer B,D
Explanation

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