[Q46-Q60] 201-450 Certification – The Ultimate Guide [Updated 2024]

NO.46 What information is found in the following excerpt from the file /proc/mdstat? (Choose two.)

NO.47 Which of the following are common Linux filesystem types used for root partitions?
(Choose THREE correct answers.)

NO.48 Which file contains the message that is displayed above the login prompt of the system console?
(Specify the full name of the file, including path.)

NO.49 Which TWO of the following wireless tools can be used to check the wireless network link quality?

NO.50 Which single command simulates a failed device within a RAID 5 array?

NO.51 Which of the following terms are used to describe 3.x kernel releases? (Choose TWO correct answers.)

NO.52 CORRECT TEXT
Consider the following /etc/fstab file:
/dev/hda1 swap swap defaults 0 0
/dev/hda2 / ext2 defaults 1 1
/dev/hda3 /home ext2 defaults 1 2
none /proc proc defaults 0 0
/dev/sdb1 /media/usb0 vfat user,noauto 0 0
What is one of the possible commands that an ordinary (non-root) user can use to mount the /dev/sdb1 partition on the /media/usb0 mount point? (Please enter the command with all parameters and/or options but without any file system type options.)

NO.53 In the following output, what is the 5 minute load average for the system?
# uptime
12:10:05 up 18 days, 19:00, 2 users, load average: 0.47, 24.71, 35.31

NO.54 Considering the following kernel IP routing table now, which of the following commands must be remove the route to the network 10.10.1.0/24?
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
200.207.199.162 0.0.0.0 255.255.255.255 UH 0 0 0 ppp0
172.16.87.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
192.168.246.0 0.0.0.0 255.255.255.0 U 0 0 0 eth1
10.10.1.0 192.168.246.11 255.255.255.0 UG 0 0 0 eth1
127.0.0.0 0.0.0.0 255.0.0.0 U 0 0 0 lo
0.0.0.0 200.207.199.162 0.0.0.0 UG 0 0 0 ppp0

NO.55 When compiling kernel modules, which make target will remove most generated files but keep the config file and enough build support to build external modules? (Please enter only the make target and no other words)

NO.56 Using only commands included with named, what is the command, with options or parameters, to make named re-read its zone files?

NO.57 An administrator has placed an executable in the directory /etc/init.d, however it is not being executed when the system boots into runlevel 2. What is the most likely cause of this?

NO.58 Which of the following commands shows capabilities and usable frequencies for the wireless interface wlan0?

NO.59 Performing a DNS lookup with dig results in this answer:
;; question SECTION:
;5.123.168.192.in-addr.arpa. IN PTR
;; ANSWER SECTION:
5.123.168.192.in-addr.arpa. 600 IN PTR
linuserv.example.net.123.168.192.in-addr.arpa.
;;AUTHORITY SECTION:
123.168.192.in-addr.arpa. 600 IN NS linuserv.example.net.
;; ADDITIONAL SECTION:
linuserv.example.net. 600 IN A 192.168.123.5
What might be wrong in the zone definition?

NO.60 What command ensures that the file systems are written to disk after a lot of write operations?
(Specify ONLY the command without any path or parameters.)