Pass4sure SAIR 3×0-201 2.77

level 2 core concepts and practices : 3×0-201 Exam

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Exam Number/Code: 3×0-201

Exam Name: level 2 core concepts and practices

“level 2 core concepts and practices”, also known as 3×0-201 exam, is a SAIR certification. With the complete collection of questions and answers, Pass4sure has assembled to take you through 50 questions to your 3×0-201 Exam preparation. In the 3×0-201 exam resources, you will cover every field and category in LCA helping to ready you for your successful SAIR Certification.

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1.Which of the following tasks does the netperf command perform?
A: It monitors the traffic on a network.
B: It measures the number of packets traveling over an entire network with multiple machines.
C: It measures the baud rate between two machines.
D: It monitors the number of collisions on a network.
E: It changes the precedence of given packets over a network.
Correct Answers: C

2.Lisa has recently implemented a series of ipchains rules to secure a Local Area Network (LAN). She is doing
maintenance on the rule sets and has entered the sequence of commands below. Which of the following
statements does NOT describe a result of the appended rules?
ipchains -A input -i eth0 -s 192.168.1.0/24 -j ACCEPT
ipchains -A output -i eth0 -s 192.168.1.0/24 -j REJECT
ipchains -A input -i eth0 -d 192.158.1.0/24 -j REJECT
ipchains -A output -i eth0 -d 12.6.178.250/32 -j ACCEPT
ipchains -A forward -i eth0 -s 192.168.1.0/24 -j MASQ
A: Packets destined for 12.6.178.250 will be routed to the correct host.
B: Packets destined for 192.158.1.0/24 will not be allowed into the system or routed.
C: Packets to be forwarded from 192.168.1.0/24 will appear to come from the local host.
D: Packets coming from 192.158.1.0/24 will be forwarded to the local host.
Correct Answers: D

3.A cracker has gained root access from the console. Which of the following would be the first location a system
administrator would look to verify that an attack has occurred?
A: /var/log/httpd/access_log
B: /etc/securetty
C: /root/.bash_history
D: /dev/console
Correct Answers: C

4.Tom wants to put a RAID on his NIS server, chewy. Tom is concerned about the integrity of the data on chewy,
and he wants to be able to sustain a one-disk failure without having to restore from backup. He also wants to use
four hard disks. Which of the following arrays should he NOT use?
A: RAID 0
B: RAID 5
C: RAID 10
D: RAID 0+1
Correct Answers: A

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5.Backside bus speed refers to the connection between _______ and the processor.
A: Level 1 cache
B: Level 2 cache
C: The hard drive
D: Main memory
E: Peripherals
Correct Answers: B
6.After creating a recovery file system and building a kernel for the recovery disk, which command will directly
copy the kernel to the floppy /dev/fd0?
A: cp if=KERNEL of=/dev/fd0
B: cp -b if=/dev/fd0 of=KERNEL bs=10k
C: rawrite of=KERNEL if=/dev/fd0 bs=1k
D: dd if=KERNEL of=/dev/fd0 bs=1k
Correct Answers: D

7.A network administrator wants to set the sound.o module to load at boot time. Which of the following files
should he edit to accomplish this?
A: /etc/modules.conf
B: /etc/snd.conf
C: /etc/modules.boot
D: /etc/modules
E: /etc/sndconfig
Correct Answers: A

8.Sheila, a Webmaster, understands the risks associated with overclocking and has overclocked two processors on
two different Web servers. Which of the following results should she expect to see from the system if the
overclocked processors are working properly? (Choose two.)
A:Increased CPU instruction speed
B:Increased RAM storage
C:Increased hard drive write speed
D:Increased memory bus speed
E:Increased SCSI peripheral speed
Correct Answers: A, D

9.The server responsible for running the site www.linuxsite.org is also responsible for the DNS resolution of its
specific subdomain. What is this responsibility called, and why is it used?
A: Super DNS resolution; it is used so that DNS lookups can be achieved more quickly.
B: Passing; it is used so fewer refusal messages are returned when looking up a name.
C: Caching; it is used to return names more quickly
D: Delegation; it is used to decentralize administration on the Internet.
Correct Answers: D

10.A network administrator wants to implement and configure a firewall to protect a LAN from unauthorized
intrusion by malicious users. The administrator has received bits of advice from many of his colleagues regarding
the firewall. Which of the following statements should the administrator accept as good advice when setting up
the firewall? (Choose two.)
A:Any applications that will need a connection to the Internet should be installed on the firewall.
B:The protocols allowed in and out through the firewall should be strictly regulated.
C:Sensitive information, such as password files and important data, should not be placed behind the firewall, but
should exist free of the firewall’s regulations.
D:The firewall should act as the mediator between every machine on the LAN and the Internet; all outgoing and
incoming packets should first pass through the firewall.
Correct Answers: B, D
* Pass4sure SAIR 3×0-201 Questions and Answers : 50 questions
* Updated: October 30th , 2008
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