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Question 371

A junior Linux administrator is trying to verify connectivity to the remote host host1 and display round-trip statistics for ten ICMP.
Which of the following commands should the administrator execute?

A.traceroute -c 10 host1
B.pathping -c 10 host1
C.ping -c 10 host1
D.netstat host1

Question 372

Which of the following default files are typically used to contain a list of public keys from other computers?
(Choose two.)

A.~/.ssh/id_dsa.pub
B.~/.ssh/authorized_keys
C.~/.ssh/id_rsa.pub
D.~/.ssh/known_hosts
E.~/.ssh/id_rsa
F.~/.ssh/config

Question 373

Ann, a junior Linux administrator, needs to copy software from her local machine to assist in developing a software application on a remote machine with the IP address 192.168.3.22. The file needs to be placed on the /tmpdirectory. After downloading the RPM to the local machine, which of the following commands would be BEST to use to copy the software?

A.scp ~/software.rpm [email protected]:/tmp
B.scp ~/software.rpm [email protected]: /tmp
C.wget [email protected]:/tmp -f ~/software.rpm
D.scp [email protected] ~/software.rpm :/tmp

Question 374

A Linux server needs to be accessed, but the root password is not available.
Which of the following would BEST allow an administrator to regain access and set a new known password at the same time?

A.Boot into a single-user mode and reset the password by editing the /etc/passwd file.
B.Boot into a single-user mode and reset the password by editing the /etc/shadow file.
C.Boot into a single-user mode and reset the password via the chage command.
D.Boot into a single-user mode and reset the password via the passwd command.

Question 375

An administrator needs to generate a list of services that are listening on TCP and/or UDP ports. Which of the following tools should the administrator use?

A.ethtool
B.route
C.netstat
D.portmap