117-202 Online Practice Questions and Answers

Which command can be used to change the password for an LDAP entry?

Why is the root file system mounted read-only during boot and remounted with write permission later on?

A. Because if problems with the root file system are detected during the boot, fsck can be run, without risk of damage.

B. Because this way crackers cannot collect information about root with boot sniffers

C. To avoid writing to the disk, unless the root password is known.

D. To avoid other operating systems overwriting the Linux root partition

E. Because the disk has its own write protection that cannot change by the operating system.

You have to mount the /data filesystem from an NFS server(srvl) that does not support locking. Which of the following mount commands should you use?

A. mount -a -t nfs

B. mount -o locking=off srvl:/data /mnt/data

C. mount -o nolocking srvl:/data /mnt/data

D. mount -o nolock srvl:/data /mnt/data

E. mount -o nolock /data@srvl /mn/data

On bootup, LILO prints out LIL and stops. What is the cause of this?

A. The descriptor table is bad

B. LILO failed to load the second stage loader

C. LILO failed to load the primary stage loader

D. LILO failed to locate the kernel image

Which TWO of the following commands could be used to add a second IP address to eth0?

A. ifconfig eth0 - add ip 192.168.123.10

B. ifconfig eth0:1 192.168.123.10

C. ifconfig eth0 1 192.168.123.10

D. ifconfig eth0 +192.168.123.10

E. ifconfig eth0:sub1 192.168.123.10

An SSH server is configured to use tcp_wrappers and only hosts from the class C network 192.168.1.0 should be allowed to access it. Which of the following lines would achieve this, when entered in/etc/hosts.allow?

A. ALLOW: 192.168.1.0/255.255.255.0 : sshd

B. sshd : 192.168.1.0/255.255.255.0 : ALLOW

C. 192.168.1.0/255.255.255.0 : ALLOW: sshd

D. tcpD. sshd : 192.168.1.0/255.255.255.0 : ALLOW

E. sshd : ALLOW: 192.168.1.0/255.255.255.0

A correctly-formatted entry has been added to /etc/hosts.allow to allow certain clients to connect to a service, but this is having no effect. What would be the cause of this?

A. tcpd needs to be sent the HUP signal.

B. The service needs to be restarted.

C. The machine needs to be restarted.

D. There is a conflicting entry in /etc/hosts.deny .

E. The service does not support tcpwrappers

Connecting to a remote host on the same LAN using ssh public-key authentication works but forwarding X11 doesn't. The remote host allows access to both services. Which of the following can be the reason for that behavior?

A. The remote user's ssh_config file disallows X11 forwarding

B. The remote server's sshd_config file disallows X11 forwarding

C. A different public key has to be used for X11

D. X11 cannot be forwarded if public-key authentication was used

E. X11 though SSH needs a special X11 server application installed

What command can be used to check the Samba configuration file?

A. testconfig

B. testsmbconfig

C. smbtestcfg

D. smbtestparm

E. testparm

By default OpenLDAP logs via syslogd. What is the slapd.conf file directive to have the LDAP logs written to /var/log/ldap.log?

A. loglevel

B. logfile

C. syslogfile

D. logfilepath