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NEW QUESTION # 52
A system has one hard disk, configured as master and connected to the primary IDE controller, and one CD writer, configured as slave and connected to the secondary IDE controller. If the system is correctly configured, which device is used to represent the CD writer?
- A. /dev/scd0
- B. /dev/scd1
- C. /dev/sr1
- D. /dev/hdd
- E. /dev/hdb
Answer: D
NEW QUESTION # 53
According to the tcpdump output below, what is the IP address of the client host?
14:17:19.225220 IP 192.168.1.106.33239 > 192.168.1.127.22: S
4158312222, win 5840, options [mss 1460,sackOK,TS val 806043 ecr
0,nop,wscale 6]
14:17:19.242943 IP 192.168.1.127.22 > 192.168.1.106.33239: S.
4013568495 ack 4158312223, win 5792, options [mss 1460,sackOK,TS val
565852 ecr 806043,nop, wscale 6]
14:17:19.243111 IP 192.168.1.106.33239 > 192.168.1.127.22: . ack 1, win
92, options [nop,nop,TS val 806045 ecr 565852]
14:17:19.264654 IP 192.168.1.127.22 > 192.168.1.106.33239: P. seq 1:40, ack 1, win 91, options [nop,nop,TS val 565856 ecr 806045]
Answer:
Explanation:
192.168.1.106
NEW QUESTION # 54
How can the kernel parameter for the maximum size of the shared memory segment (shmmax) be changed to 2GB (2147483648 Bytes) on a running system? (Choose TWO correct answers.)
- A. sysctl shmmax=2147483648
- B. sysctl kernel.shmmax=2147483648
- C. export kernel.shmmax=2147483648
- D. echo 2147483648 > /proc/sys/kernel/shmmax
- E. Edit /etc/shmmax and set the parameter to 2147483648.
Answer: B,D
NEW QUESTION # 55
Which of the following applications utilize the device mapper? (Select TWO correct answers)
- A. EVMS
- B. LVM2
- C. LILO
- D. SELinux
- E. GRUB
Answer: A,B
NEW QUESTION # 56
How would you run named inside a chroot jail as user nobody and group nogroup?
- A. Use /usr/bin/chroot after running "chown nobody.nogroup named"
- B. Invoke named as "named -t /var/named/root -u nobody"
- C. named runs as nobody/nogroup by default, so just invoke it as "name --chroot /var/named/root"
- D. Add "user nobody; group nogroup; chroot /var/named/root" to named.conf
Answer: B
NEW QUESTION # 57
What command is used to re-add a partition to a software RAID setup?
- A. raidaddhot
- B. raidhotadd
- C. raidadd
- D. addraid
Answer: B
NEW QUESTION # 58
What command is used to make an exact copy, at a single point in time, of a logical volume for backup purposes?
- A. lvclone
- B. lvsnap
- C. lvcopy
- D. lvcreate
- E. lvsnapshot
Answer: D
NEW QUESTION # 59
The IDE hard drive /dev/hda does not have DMA enabled. Which command must be run to enable DMA on it?
- A. hdparm -d 1 /dev/hda
- B. hdparm --dma /dev/hda1
- C. hdparm -d /dev/hda
- D. hdparm --dma /dev/hda
- E. hdparm -d /dev/hda1
Answer: A
NEW QUESTION # 60
The administrator notices that a 10GB ext2 file-system used only for data storage has approximately 540MB reserved for root. Which command can be used to change the file-system parameters to make all of the partition available to users, WITHOUT losing data? Please enter only the command without path, options or parameters.
Answer:
Explanation:
tune2fs
NEW QUESTION # 61
Which of the following commands lists IPv4 addresses and MAC addresses of network nodes that the local system has seen on its directly connected IP networks?
- A. ipadm
- B. iwlist
- C. ifconfig
- D. arp
Answer: D
NEW QUESTION # 62
A BIND server should be upgraded to use TSIG. Which configuration parameters should be added, if the server should use the algorithm hmac-md5 and the key skrKc4DoTzi/tAkllPi7JZA== ?
- A. key server.example.com. {
algorithm hmac-md5
secret "skrKc4DoTzi/tAkI1Pi7JZA=="
}; - B. TSIG server.example.com.
algorithm hmac-md5;
secret "skrKc4DoTzi/tAkllPi7JZA==";
}; - C. key server.example.com. {
algorithm=hmac-md5;
secret="skrKc4DoTzi/tAkllPi7JZA==";
}; - D. key server.example.com. {
algorithm hmac-md5;
secret "skrKc4DoTzi/tAkllPi7JZA==";
}; - E. key server.example.com. {
algorithm hmac-md5;
secret skrKc4DoTzi/tAkllPi7JZA==;
};
Answer: D
NEW QUESTION # 63
A regular user, joe, has just run:
./configure && make && make install
to build and install a program. However, the installation fails. What could be done to install the program? (Choose TWO correct answers.)
- A. Rerun ./configure with a --prefix option where the user has permissions to write.
- B. Do not run ./configure in order to maintain the default configuration for correct installation.
- C. Run make install_local to install into /usr/local/.
- D. Run make install with root privileges.
- E. Install the binaries manually with suinstall.
Answer: A,D
NEW QUESTION # 64
Which /etc/hosts.allow entries will permit access to sshd for users from the 192.168.1.0/24 subnet? (Choose TWO correct answers.)
- A. sshd : 192.168.1.
- B. sshd : 192.168.1.0 netmask 255.255.255.0
- C. sshd : 192.168.1.0/255.255.255.0
- D. sshd : 192.168.1.0
- E. sshd : 192.168.1
Answer: A,C
NEW QUESTION # 65
When building an RPM package, which rpmbuild option is used to unpack sources and apply patches before proceeding with the next steps?
- A. -bb
- B. -ba
- C. -bp
- D. -bs
- E. -be
Answer: C
NEW QUESTION # 66
The Linux kernel is loaded successfully by the boot loader. However, straight after the kernel mounts the root filesystem, the boot process stops and an error message regarding init is shown.
Which of the following actions is the best one to be used in order to identify and fix the problem?
- A. The administrator reboots the system and tells the kernel, through the boot loader prompt, to use /bin/bash as the initial process.
- B. The administrator reboots the system with a recovery disk and installs a new kernel.
- C. The administrator reboots the system with a recovery disk and restores from a backup.
- D. The administrator reboots the system and tells init, through the boot loader prompt, to use a different runlevel.
- E. The administrator reboots the system with a recovery disk and checks the root file system for errors with fsck.
Answer: A
NEW QUESTION # 67
The main configuration file for autofs has this entry:
/home /etc/auto.home
What is the meaning of the /etc/auto.home file?
- A. It has the indirect maps for the mounting of file systems.
- B. It is the holds the SSL key to allow authentication to the remote file server.
- C. It has configuration information, such as passwords and keys, for the remote file server.
- D. It has configuration information on settings for the /home mount point.
Answer: A
NEW QUESTION # 68
CORRECT TEXT
What is the device name for the first SCSI tape drive on a system when used without automatic rewinding after each write operation? (Please specify the full path to the device.)
Answer:
Explanation:
/dev/nst0
NEW QUESTION # 69
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