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NO.1 What of the following can be done by the command ifconfig? (Choose TWO
correct answers.)
A. Set a network interface active or inactive.
B.
Specify the kernel module to be used with a network interface.
C. Allow
regular users to change the network configuration of a network interface.
D.
Change the netmask used on a network interface.
E. Specify which network
services are available on a network interface.
Answer: A,D
NO.2 Which
of the following programs uses the hosts.allow file to perform its main task of
checking
for access control restrictions to system services?
A. tcpd
B.
inetd
C. fingerd
D. mountd
E. xinetd
Answer: A
NO.3 Why is
the correct configuration of a system's time zone important?
A. Because the
conversion of Unix timestamps to local time relies on the time zone
configuration.
B. Because the time zone is saved as part of the modification
times of files and cannot be changed
after a file is created.
C. Because
the environment variables LANG and LC_MESSAGES are, by default, set according to
the
time zone.
D. Because NTP chooses servers nearby based on the
configured time zone.
Answer: A
NO.4 Which of the following may occur
as a consequence of using the command ifconfig? (Choose
THREE correct
answers.)
A. New name servers may be added to the resolver
configuration.
B. Network interfaces may become active or inactive.
C. The
routing table may change.
D. IP addresses may change.
E. The system's host
name may change.
Answer: B,C,D
NO.5 What is true about the file
/etc/localtime?
A. It is a plain text file containing a string such as
Europe/Berlin.
B. It is created and maintained by the NTP service based on
the geolocation of the system's IP
address.
C. It is a symlink to
/sys/device/clock/ltime and always contains the current local time.
D. It is
either a symlink to or a copy of a timezone information file such
as
/usr/share/zoneinfo/Europe/Berlin.
Answer: D
NO.6 CORRECT
TEXT
In an xinetd configuration file, which attribute specifies the network
address that will be used to
provide the service?
Answer: bind,
interface
NO.7 Which of the following commands preloads and manages keys
that are used for automatic
authentication while logging in to other machines
using SSH?
A. sshd
B. ssh-agent
C. ssh-keygen
D. ssh-add
Answer:
B
NO.8 What is NOT contained in the locale setting of the operating
system?
A. currency symbol
B. language
C. timezone
D. thousands
separator
Answer: C
correct answers.)
A. Set a network interface active or inactive.
B.
Specify the kernel module to be used with a network interface.
C. Allow
regular users to change the network configuration of a network interface.
D.
Change the netmask used on a network interface.
E. Specify which network
services are available on a network interface.
Answer: A,D
NO.2 Which
of the following programs uses the hosts.allow file to perform its main task of
checking
for access control restrictions to system services?
A. tcpd
B.
inetd
C. fingerd
D. mountd
E. xinetd
Answer: A
NO.3 Why is
the correct configuration of a system's time zone important?
A. Because the
conversion of Unix timestamps to local time relies on the time zone
configuration.
B. Because the time zone is saved as part of the modification
times of files and cannot be changed
after a file is created.
C. Because
the environment variables LANG and LC_MESSAGES are, by default, set according to
the
time zone.
D. Because NTP chooses servers nearby based on the
configured time zone.
Answer: A
NO.4 Which of the following may occur
as a consequence of using the command ifconfig? (Choose
THREE correct
answers.)
A. New name servers may be added to the resolver
configuration.
B. Network interfaces may become active or inactive.
C. The
routing table may change.
D. IP addresses may change.
E. The system's host
name may change.
Answer: B,C,D
NO.5 What is true about the file
/etc/localtime?
A. It is a plain text file containing a string such as
Europe/Berlin.
B. It is created and maintained by the NTP service based on
the geolocation of the system's IP
address.
C. It is a symlink to
/sys/device/clock/ltime and always contains the current local time.
D. It is
either a symlink to or a copy of a timezone information file such
as
/usr/share/zoneinfo/Europe/Berlin.
Answer: D
NO.6 CORRECT
TEXT
In an xinetd configuration file, which attribute specifies the network
address that will be used to
provide the service?
Answer: bind,
interface
NO.7 Which of the following commands preloads and manages keys
that are used for automatic
authentication while logging in to other machines
using SSH?
A. sshd
B. ssh-agent
C. ssh-keygen
D. ssh-add
Answer:
B
NO.8 What is NOT contained in the locale setting of the operating
system?
A. currency symbol
B. language
C. timezone
D. thousands
separator
Answer: C