A fully updated 2021 201-450 Exam Dumps exam guide from training expert ExamcollectionPass
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NEW QUESTION 11
Which single command will simulate a failed device within a RAID 5 array?
- A. mdadm --force-fault /dev/md2 /dev/sde2
- B. mdadm --fail /dev/md0 /dev/sdc1
- C. mdadm --zero-superblock /dev/sdf3
- D. mdadm --remove /dev/md0 /dev/sdd1
- E. mdadm /dev/md0 --offline /dev/sdc1
Answer: B
NEW QUESTION 12
The correct command sequence to create and mount logical volumes on a Linux system is:
- A. vgcreate, lvcreate, pvcreate, mount, mkfs
- B. pvcreate, vgcreate, lvcreate, mkfs, mount
- C. lvcreate, pvcreate, vgcreate, mkfs, mount
- D. pvcreate, lvcreate, vgcreate, mkfs, mount
- E. mkfs, pvcreate, vgcreate, lvcreate, mount
Answer: B
NEW QUESTION 13
A server requires a GRUB2 boot option which will always boot to runlevel 1. Which line of a GRUB2 configuration file starts the beginning of the settings needed to make this new choice available?
- A. linux
- B. initrd
- C. runlevel
- D. menuentry
Answer: A
NEW QUESTION 14
Which of the following is a CD-ROM filesystem standard?
- A. OSI 9660
- B. ROM-EO
- C. ISO 8859
- D. ISO 9660
- E. SR0FS
Answer: D
NEW QUESTION 15
Which commands are used to load modules into the Linux kernel? (Choose TWO correct answers.)
- A. insmod
- B. kernload
- C. probemod
- D. loadmod
- E. modprobe
Answer: A,E
NEW QUESTION 16
CORRECT TEXT
After configuring a new kernel, what file under /usr/src/linux/ contains the configuration?
Answer:
Explanation:
/usr/src/linux/.config, .config
NEW QUESTION 17
A system has one hard disk and one CD writer which are both connected to SATA controllers. Which device represents the CD writer?
- A. /dev/hdb
- B. /dev/scd1
- C. /dev/sdd
- D. /dev/sr0
- E. /dev/sr1
Answer: D
NEW QUESTION 18
What is the purpose of the smartd daemon?
- A. It monitors certain disk drives and attempts to predict when they will fail.
- B. It attempts to automatically repair file systems upon a failed file system check.
- C. It is a user space daemon used for reading smart cards and integrated circuit chips.
- D. It monitors process activity and helps the kernel decide which processes to kill when the kernel overcommits.
Answer: A
NEW QUESTION 19
Under which of the following circumstances would the command ping output the string (DUP!)?
- A. When the ICMP packets are send to a broadcast address and multiple hosts respond.
- B. When the host being sent ICMP packets is on a different network.
- C. When the router responds to the ICMP packet in addition to the host receiving the ICMP packets.
- D. When the host sending the ICMP packet is the same host as the one receiving the ICMP packets.
Answer: A
NEW QUESTION 20
CORRECT TEXT
The users of the local network complain that name resolution is not fast enough. Enter the command, without the path or any options, that shows the time taken to resolve a DNS query.
Answer:
Explanation:
dig, time dig, time host, time nslookup
NEW QUESTION 21
Which of the following commands can be used to list IPv4 addresses and MAC addresses for IP devices that the system has seen on the local network?
- A. ipadm
- B. iwlist
- C. ifconfig
- D. arp
Answer: D
NEW QUESTION 22
Which command is used to install a new LILO boot loader?
- A. lilo
- B. lilo-install
- C. lilo-config
- D. install-lilo
Answer: A
NEW QUESTION 23
What should be done to ensure a client machine uses the recursive nameserver running on the IP address
192.168.0.1? (Choose two.)
- A. Run routeadd nameserver 192.168.0.1
- B. Run bindadd nameserver 192.168.0.1
- C. Run ifconfig eth0 nameserver 192.168.0.1
- D. Add nameserver 192.168.0.1to /etc/resolv.conf
- E. Ensure that the dnsservice is listed in the hosts entry in the /etc/nsswitch.conffile
Answer: D,E
NEW QUESTION 24
CORRECT TEXT
According to the Filesystem Hierarchy Standard (FHS), what is the path to the Linux kernel source and may be a symbolic link to the real Linux source code? (Please specify the full path with no version information.)
Answer:
Explanation:
/usr/src/linux, /usr/src/linux/
NEW QUESTION 25
Which of the following are common Linux filesystem types used for root partitions?
(Choose THREE correct answers.)
- A. ext4
- B. VFAT
- C. NTFS
- D. Btrfs
- E. XFS
Answer: A,D,E
NEW QUESTION 26
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