Free Oracle 1Z0-409 Exam Dumps Questions & Answers

You are writing a script and add the following line at the beginning of the script:
#!/bin/bash
What implications does this have on the shell script if the script is called directly at the c shell prompt?

• A.  The script will be executed using bourne as the shell interpreter.
• B.  The script will be executed using bash as the shell interpreter.
• C.  The script will treat the line as a comment.
• D.  The current shell will attempt to parse and execute the script.

Which three statements are true about tunneling an application through ssh? (Choose three.)

• A.  All requests aimed at the local port are forwarded to the remote port via ssh and thus encrypted.
• B.  Only one port could be forwarded at a time
• C.  Tunneling works only if the remote host runs an ssh server.
• D.  Tunneling works only if the remote host runs an X server.
• E.  Tunneling works by port forwarding.

User smith on station2 is trying to chat with the remote user bob on station1 using the talk command. smith receives an error message as shown below:
[smith@station2 ~]$talk [email protected]
[No connection yet]
[ Error on read from talk daemon: Connection refused ]
[smith@station2 ~]$
What can the root user do to resolve the issue? (Choose two.)

• A.  let smith retry talk after changing the group of talk command to tty
• B.  let smith retry talk after restarting the network service with the UDP port 517 blocked on both systems
• C.  let smith retry talk after restarting the xinetd service with ntalk enabled on both systems
• D.  let smith retry talk by reading from STDIN and sending to bob
• E.  let smith retry the talk request with UDP port 518 open on both systems

The root user on server1 is trying to switch to the normal user account scott for testing certain privileges he has and receives an error as shown below:
[root@server1 ~]# su - scott
This account is currently not available
[root@server1 ~]#
What do you infer from this error?

• A.  The user scott's account is locked.
• B.  The user scott's account has reached the expiry date.
• C.  The user scott does not have a valid UID to get authorized by the system.
• D.  The user scott has the shell set to /sbin/nologin.
• E.  The user scott has the shell set to /bin/false.
• F.  The user scott is assigned with a UID below 500.

Identify the XDMCP query type in which a client machine connects to the first available machine to get a list of all machines to which it can connect.

• A.  Broadcast
• B.  Parallel
• C.  Indirect
• D.  Direct