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Total 294 questions
What does the following procmail configuration section do?
:0fw
* < 256000
| /usr/bin/foo
- A. procmail sends all email older than 256000 seconds to the external program foo
- B. If an email contains a value less than 256000 anywhere within it, procmail will process the email with the program foo
- C. procmail sends mail containing less than 256000 words to program foo
- D. The program foo is used instead of procmail for all emails larger than 256000 Bytes
- E. If the email smaller than 256000 Bytes, procmail will process it with the program foo
Answer : E
Journalling doesn't appear to be working on an ext3 file-system. When booting, the following line appears:
VFS: Mounted root (ext2 filesystem) readonly.
What could be causing the problem?
- A. An old version of e2fsprogs is installed.
- B. The kernel does not contain ext3 support.
- C. The file-system is specified as ext2 in/etc/fstab.
- D. The system was not shut down cleanly.
Answer : B
You suspect that you are receiving messages with a forged From: address. What could help you find out where the mail is originating?
- A. Install TCP wrappers, and log all connections on port 25
- B. A dd the command 'FR-strlog' to the sendmail.cf file
- C. Add the command 'define ('LOG_REAL_FROM') dnl' to the sendmail.mc file
- D. Run a filter in the aliases file that checks the originating address when mail arrives
- E. Look in the ReceiveD. and Message-ID. parts of the mail header
Answer : E
Which of the following options can be passed to a DHCP client machine using configuration options on the DHCP server?
- A. The NIS domain name
- B. The resolving order in /etc/resolv.conf
- C. The priority order in nsswitch.conf
- D. The filter rules for iptables
- E. The contents of hosts.allow and hosts.deny
Answer : A
Considering the following kernel IP routing table below, which of the following commands must be used to remove the route to the network 10.10.1.0/24?
- A. route del 10.10.1.0
- B. route del 10.10.1.0/24
- C. route del - net 10.10.1.0/24
- D. route del 10.10.1.0/24 gw 192.168.246.11
- E. route del -net 10.10.1.0
Answer : C
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