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試験番号：050-720問題集
試験科目：Novell 「Certified Linux Administrator 11」
最近更新時間：2013-11-17
問題と解答：134
この情報の時代の中に、たくさんのIT機構はNovellの050-720認定試験に関する教育資料がありますけれども、受験生がこれらのサイトを通じて詳細な資料を調べられなくて、対応性がなくて受験生の注意 に惹かれなりません。
JapanCertが提供した研修ツールはNovellの050-720の認定試験に向けて学習資料やシミュレーション訓練宿題で、重要なのは試験に近い練習問題と解答を提供いたします。JapanCert を選ばれば短時間にITの知識を身につけることができて、高い点数をとられます。
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NO.1 You want to find out if files from the wget package were altered since they were installed. Which
command will give you this information?
A. rpm -V wget
B. rpm -v wget
C. rpm -F wget
D. rpm -qf wget
Answer: A
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NO.2 From command mode in vi, what do you have to do to enter text?
A. Press e
B. Press i
C. Press k
D. Press w
Answer: B
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NO.3 Which statement about symmetric encryption is correct?
A. The same key is used for encryption and decryption.
B. Symmetric keys are generally longer than asymmetric keys.
C. Asymmetric encryption is generally faster than symmetric encryption.
D. A public key and a private key are needed for symmetric encryption/decryption.
Answer: A
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NO.4 When you connect to an ssh server with your ssh client, the public key of the server is compared to the
keys stored in a file on the client computer. Which file is this?
A. ~/.ssh/id_dsa.pub
B. ~/.ssh/id_rsa.pub
C. ~/.ssh/known_hosts
D. ~/.ssh/authorized_keys
Answer: C
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NO.5 Which statements about PAM are correct? (Choose 3.)
A. To enable authentication with PAM, you need a smart cart reader.
B. Each line in a PAM configuration file contains 6 columns plus optional arguments.
C. Configuration files of PAM modules can be found in /etc/pam.d/ and /etc/security/.
D. After the PAM configuration has been adjusted for an application, this application can be used by SSH.
E. The /etc/pam.d/other file contains a default configuration if no application-specific file is found in
/etc/pam.d/.
F. PAM creates a software level with defined interfaces between applications and the current
authentication mechanism.
Answer: C,E,F
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NO.6 Which file system type supports ACLs without a special mount option?
A. ext2
B. ext3
C. XFS
D. ReiserFS
Answer: C
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NO.7 Which commands can be used if you do not find the desired information in a manual page, or find no
manual page at all for a program?
A. sos program
B. info program
C. help program
D. wiki program
Answer: B
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NO.8 Which statement about the /sbin/ldconfig command is correct?
A. The ldconfig command is used to link directories.
B. The ldconfig command is used to configure an LDAP connection.
C. The ldconfig command is used to update the software library cache.
D. The ldconfig command is used to show dynamic libraries needed by a program.
Answer: C
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NO.9 From the command line, which command would you use to print the document.ps file on the laser
printer?
A. lp -d laser document.ps
B. lpr -p laser document.ps
C. lpq -p laser document.ps
D. print -p laser document.ps
Answer: A
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NO.10 After the partitions are checked and the root file system is mounted, the /sbin/init command is executed.
Which process ID is assigned to /sbin/init?
A. 0
B. 1
C. 3
D. 100
E. 1000
F. Depends
Answer: B
Novell認証試験 050-720 050-720 050-720認定資格 050-720参考書
NO.11 The /etc/sysconfig/network/ifcfg-eth-id-macaddress configuration file contains a BOOTPRO option.
Which are possible values of BOOTPROTO?
A. static or dhcp
B. master or slave
C. onboot, ifpluged, or manual
D. ethernet, wireless, or manual
Answer: A
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NO.12 Which command can you use to set up limits for failed logins?
A. w
B. who
C. last
D. faillog
E. lastlog
Answer: D
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NO.13 You want to copy the master boot record, the partition table, and the 2 magic bytes at the beginning of
/dev/had to a file so you can restore it later. Which command accomplishes this?
A. dd if=/dev/hda of=mbr bs=512 count=1
B. dd if=mbr of=/dev/hda bs=512 count=1
C. dd of=/dev/zero if=/dev/hda bs=512 count=1
D. dd if=/dev/urandom of=/dev/hda bs=512 count=1
Answer: A
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NO.14 Which statements about partitions are correct.? (Choose 3.)
A. Extended partitions can be subdivided into logical partitions.
B. A primary partition consists of a continuous range of cylinders.
C. Logical partitions do not require entries in the main partition table.
D. If you use only primary partitions, you are limited to eight partitions per disk.
E. SUSE Linux Enterprise Server 10 can only be installed on a primary partition.
F. To install more than one operating system on a partition, the partition has to include the entire cylinder
range.
Answer: A,B,C
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NO.15 How do you create a file called destination containing the same ACLs currently set for the file called
source?
A. getfacl source > destination
B. getfacl -c source destination
C. getfacl source | cp destination
D. getfacl -x source > destination
Answer: A
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NO.16 Which user authentication methods can be used with SLES 10? (Choose 4.)
A. NIS
B. WEP
C. SSH
D. PAM
E. LDAP
F. Handshake
G. Windows Domain
H. Local (/etc/passwd)
Answer: A,E,G,H
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NO.17 You want to install the xyz-software-1.2.3-5.i586.rpm package, but only if a previous version is already
installed. Which command will do this?
A. rpm -ivh xyz-software-1.2.3-5.i586.rpm
B. rpm -evh xyz-software-1.2.3-5.i586.rpm
C. rpm -Fvh xyz-software-1.2.3-5.i586.rpm
D. rpm -Uvh xyz-software-1.2.3-5.i586.rpm
Answer: C
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NO.18 What is the difference between the /dev/st0 and /dev/nst0 devices?
A. /dev/st0 is the first SCSI CD burner; /dev/nst0 refers to the CDROM drive.
B. /dev/st0 is the first tape drive; /dev/nst0 refers to the same tape drive in non-rewinding mode.
C. /dev/st0 is the first serial console; /dev/nst0 refers to the same serial console as a block device.
D. /dev/st0 is the first SCSI hard drive; /dev/nst0 refers to the same SCSI hard drive in read-only mode.
Answer: B
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NO.19 In which file is the name resolution configured?
A. /etc/dns.conf
B. /etc/resolv.conf
C. /etc/HOSTNAME
D. /etc/nameservers
E. /etc/sysconfig/network/dns
Answer: B
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NO.20 Which command displays information about your hard drive and lets you manage certain hard drive
parameters?
A. siga
B. sitar
C. fdisk
D. lspci
E. iostat
F. hwinfo
G. hdparm
Answer: G
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