1Z0-879 | how many questions of 1Z0-879 examcollection?
Q351. During the system identification process, which three can be retrieved from a naming service? (Choose three.)
A. IP address
B. host name
C. name server
D. name service
E. domain name
F. network interface
Answer: A,B,D
Q352. You determine that a certain user, user1, is using excessive disk space in his home directory. To achieve the best space reduction with minimum effort, you want to gather information to help user1 decide which files or directories to back up.
You also want to illustrate that user1 is using more space than others. Which two commands achieve this? (Choose two.)
A. df -h
B. du -h /export/home/user1
C. ls -alR /export/home/user1
D. quot -f /dev/dsk/<device>
E. du -hs /var/opt
Answer: B,D
Q353. You run an IT department and are responsible for purchasing hardware. Certain data that you have housed in a series of traditional disk slices are critical and must not be lost due to disk failure. The amount of data is large (720 gigabytes) and is read and written to frequently. The performance for both read and write operations needs improvement. You have plenty of money in your budget.
Which two approaches will meet your business needs? (Choose two.)
A. secure the data using RAID 0
B. secure the data using RAID 1
C. secure the data using RAID 5
D. secure the data using RAID 0+1
E. secure the data using RAID 1+0
Answer: D,E
Q354. When you try to NFS mount a directory from the NFS server pepper to the NFS client paprika, the following error occurs:
# mount -F nfs pepper:/export/home /data
NFS server pepper not responding, still trying
Which troubleshooting step is used to correct this error?
A. on the NFS server pepper, run the command: # dfmounts
B. on the NFS client paprika, ping the NFS server: # ping pepper
C. on the NFS client paprika, run the command: # dfshares paprika
D. on the NFS client paprika, run the command: # ps -ef |grep nfsd
E. on the NFS client paprika, run the command: # ps -ef |grep mountd
Answer: B
Q355. The root (/) file system is mirrored with a primary and secondary submirror.
What is the last step that must be performed on a SPARC-based system so that the system boots automatically from the secondary submirror when a primary submirror fails?
A. use the setenv command to set the auto-boot? variable to false
B. use the nvalias command to redefine the device alias disk so that it references the primary submirror
C. use the nvalias command to define a backup_root device alias, which references the secondary submirror
D. use the setenv command to redefine the boot-device variable so that it references both the primary and secondary submirrors
Answer: D
Q356. A host named client12 is having difficulty communicating with a heavily used server named server14. The server14 server has the ce0, ce1, ce4, and qfe4 interfaces active. The client12, admin6, and appserv5 hosts are all on a private network and access the ce4 interface on server14 exclusively and cannot access other network interfaces on server14. The appserv5 and admin6 hosts are currently generating heavy traffic to server14 due to a running batch process. Which two commands can you run on server14 to look at the network traffic generated between only client12 and server14 to assist in troubleshooting the communication issue? (Choose two.)
A. snoop !admin6
B. snoop -d client12
C. snoop -d ce server14
D. snoop -d ce4 client12
E. snoop -d ce4 client12 server14
F. snoop -i ce4 server14 client12
Answer: D,E
Q357. or which three does NIS provide the ability for central administration? (Choose three.)
A. network topology
B. third-party applications
C. operating system patches
D. user names and passwords E.
groups of hosts on a network F.
host names and IP addresses
Answer: D,E,F
Q358. Which two statements accurately describe hot spare usage and features? (Choose two.)
A. A hot spare can hold data NOT in immediate use.
B. A hot spare can improve the robustness of a RAID-0 volume,
C. A hot spare is a slice that is functional and available, but NOT in use.
D. A hot spare is on reserve to substitute for a failed slice in a submirror or RAID-5 volume,
E. A hot spare is a volume that is functional and available, but NOT in use.
Answer: C,D
Q359. SystemA has a file system that is being shared as follows:
/data/dbase rw
systemB mounts that file system so that users on systemB can use /data as a working directory for adding, changing, and removing files in the /data/dbase file system located on systemA. Which answers describe the correct method of mounting the remote file system?
A. mount —F nfs —o hard,nointr,bg systemA:/data/dbase /data B. mount —F nfs —o soft,intr,bg systemA:/data/dbase /data
B. mount —F nfs —o hard,intr systemA:/data/dbase /data
C. mount —F nfs —o soft,intr,bg,largefiles,logging,rw systemA:/data/dbase /data
Answer: A
Q360. A department needs a directory that can be used to exchange files between department members without allowing other employees access to the files. The department's employees are part of different UNIX groups and company policy dictates a umask of 007.
You create a new UNIX group named shareit, and make the department's employees part of this group. You also change the ownership of the directory to this group, and set the mode to 0770.
What additional setting should you apply?
A. chmod g+s dir
B. chmod u+t dir
C. chmod g+t dir
D. chmod u+s dir
Answer: A