102-350 Exam Questions

Which of the following commands shows ONLY the user id of Bob? (Select TWO)

Which command allows you to make a shell variable visible to subshells?

Which of the following are elements of good password practice for users? (Choose THREE)

Which crontab entry could be used to set the system time at regular intervals?

The system utility that automatically creates new log files and moves old ones is called what?

You have a script called logout-users which will log out inactive users every hour between the hours of 6 p.m and 7 a.m., Monday through Friday. Choose the best option for a cronta...

You have modified user bob's login information. In the passwd file, you changed /bin/bash to /bin/false. What effect will this have on user bob?

Which of the statements is the result of the following command? $ export PS2="[\u\w]\\$ "

On a system using shadowed passwords, the correct permissions for /etc/passwd are _____ and the correct permission for /etc/shadow are _____.

You discover a pending job for the at command. Which of the following do you have to use to remove it?

Which two of the following Class B IPv4 networks are reserved by IANA for private address assignment and private routing? (Choose two)

The following output shows an excerpt from a standard network configuration file: time 37/udp timeserver rlp 39/udp name 42/udp nameserver whois 43/tcp nickname Which file could th...

A new department's local area network has to be connected to the existing LAN using a router. This new department's LAN uses IP addresses from 192.168.112.64/26 and the first free...

Which of the following will run a file named /myscript every 23 minutes past midnight every two hours?

If you suspect that a gateway machine on your network has failed but you are unsure which machine, which command will help locate the problem?

You have a file /etc/resolv.conf, but the computer does not use the configured DNS servers to look up host names. What is most likely the problem?

Which two services resolve Netbios names to IP addresses?

What does the following command accomplish: $ export PATH=$PATH:$APPLICATIONS

Which of the following are commonly used Mail Tranfer Agent (MTA) applications? (Please select THREE correct answers)

What command should be used to print a listing of email in the system's mail queue?

You need to pause the CUPS printer HPLaserjet4, and you want to cancel all print jobs with a message, "hello". Which command will do this?

What is pool.ntp.org?

According to the FHS, where are user mailboxes kept? Assume that mail is not being delivered to somewhere in their home directories.

Which statement is true regarding the following /etc/resolv.conf file? search example.com nameserver 208.77.188.166 nameserver 208.77.188.167

Which of the following information is NOT provided in any output from the netstat utility?

Which command manipulates the TTL (Time to Live) field in the IP protocol in order to get ICMP responses from gateways along the path to a host?

Which of the following commands will lock the user foobar's account?