Lpi LPI Certifications 117-201 Questions & Answers

• Question 171:

  What needs to be done to enable 32 bit I/O transfer mode for (E)IDE disks, on a system running a 2.4 series Linux kernel?

  A. The Linux kernel must be recompiled.

  B. The sysctl utility must be used.

  C. The hdparm utility must be used.

  D. This feature isn't supported in 2.4 series kernels.

  E. This feature is enabled by default in 2.4 series kernels

  Correct Answer: C

• Question 172:

  What is the command to add another IP address to an interface that already has (at least) one IP address?

  A. ifconfig eth0:1 192.168.1.2

  B. ifconfigeth0192.168.1.2

  C. ipconfig eth0:1 192.168.1.2

  D. ipconfig eth0 192.168.1.2

  E. ifconfigeth0:sub1192.168.1.2

  Correct Answer: AE

• Question 173:

  Which of these tools can provide the most information about DNS queries?

  A. dig

  B. nslookup

  C. host

  D. named-checkconf

  E. named-checkzone

  Correct Answer: A

• Question 174:

  A network client has an ethernet interface configured with an IP address in the subnet 192.168.0.0/24. This subnet has a router, with the IP address 192.168.0.l, that connects this subnet to the Internet. What needs to be done on the client to enable it to use the router as its default gateway?

  A. Run route add default gw 192.168.0.1 ethl.

  B. Run route add gw 192.168.0.1 ethl.

  C. Run ifconfig eth0 defaultroute 192.168.0.1.

  D. Add "defaultroute 192.168.0.l" to /etc/resolv.conf.

  E. Run route add defaultgw=192.168.0.1 if=eth0.

  Correct Answer: A

• Question 175:

  A Linux machine freezes during boot. To boot directly to a shell prompt so that editing of files and manual starting of services is possible which command line must be passed to the kernel for the boot process?

  A. init=/bin/bash

  B. 1

  C. runlevel=1

  D. sh

  E. /bin/sh

  Correct Answer: A

• Question 176:

  Which ONE of the following wireless tools can be used to check the wireless network link quality?

  A. iwconfig

  B. iwlink

  C. iwscan

  D. iwifi

  Correct Answer: A

• Question 177:

  It is possible to configure kernel parameters at runtime (e.g. the maximum size of the shared memory segment (shmmax)). In which TWO ways can this be changed to 2GB (2147483648 Bytes) on a running system?

  A. Edit /etc/shmmax and set the parameter to 2147483648.

  B. sysctl shmmax=2147483648.

  C. sysctl kernel.shmmax=2147483648

  D. echo 2147483648 > /proc/sys/kernel/shmmax

  E. export kernel.shmmax=2147483648

  Correct Answer: CD

• Question 178:

  To make a system backup, the simplest and fastest way is to use the tar command. Select the correct alternative below that shows the three tar parameters that create, list and expand a tar file respectively.

  A. --create--list--extract

  B. --compose --list --expand

  C. -c -t -e

  D. -c -l -x

  Correct Answer: A

• Question 179:

  Following the instructions contained in the README file of an application, the make command was

  executed but the followingmessagewasdisplayedonthescreen:

  Make: *** No targets specified and no makefile found. Stop.

  Which are the TWO possible causes for this problem?

  A. The make command is being executed in the wrong location.

  B. The user has no write permission to the Makefile, so he cannot execute the make command correctly.

  C. The make command was executed in the right place but the command to generate the Makefile was not properly executed.

  D. The make command is not installed in the system.

  E. The development libraries needed by make are not installed on the system.

  Correct Answer: AC

• Question 180:

  Why the root file system is 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. Becausethiswaycrackerscannotcollectinformationaboutrootwithbootsniffers

  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.

  Correct Answer: A