Chapter 8, Network Performance Optimization Video Solutions, CompTIA Network+ N10-004 Exam Cram

Problem 1

During your lunch break, you rummage around in the company's storage closet and discover two 20GB IDE hard disks and two hard disk controllers. You decide to use the equipment to provide a fault-tolerant solution in one of your company's existing servers. Which of the following fault-tolerant RAID levels could you implement using this equipment? (Choose two.)
R. RAID 0
B. RAID 1
C. Disk duplexing
D. RAID 5

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Problem 2

Which two types of tape backup methods clear the archive bit after the backup has been completed?
A. Full
B. Differential
C. Incremental
D. GFS

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Problem 3

You come in to work on Thursday morning to find that the server has failed and you need to restore the data from backup. You finished a full backup on Sunday and incremental backups on Monday, Tuesday, and Wednesday. How many tapes are required to restore the backup?
A. Four
B. Two
C. Three
D. Five

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Problem 4

In the server room you find a box with five $15 \mathrm{~GB}$ hard disks. If you were to implement a RAID 5 solution using all five disks, how much storage space would you have for the actual data?
A. $75 \mathrm{~GB}$
B. $60 \mathrm{~GB}$
C. $30 \mathrm{~GB}$
D. $45 \mathrm{~GB}$

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Problem 5

Which of the following RAID levels offers the greatest read and write performance?
A. RAID 0
B. RAID 1
C. Disk duplexing
D. RAID 5
E. RAID 10

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Problem 6

Which of the following recovery sites might require the delivery of computer equipment and an update of all network data?
A. Cold site
B. Warm site
C. Hot site
D. None of the above

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Problem 7

As part of your network administrative responsibilities, you have completed your monthly backups. As part of backup best practices, where should the tapes be stored?
A. In a secure location in the server room
B. In a secure location somewhere in the building
C. In an offsite location
D. In a secure offsite location

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Problem 8

As network administrator, you have been tasked with designing a disaster recovery plan for your network. Which of the following might you include in a disaster recovery plan?
A. RAID 5
B. Offsite tape storage
C. Mirrored hard disks
D. UPS

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Problem 9

Which of the following power-related problems is associated with a short-term voltage drop?
A. Surge
B. Brownout
C. Sag
D. Spike

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Problem 10

As a network administrator, you have been asked to implement a RAID solution that offers high performance. Fault tolerance is not a concern. Which RAID level are you likely to use?
R. RAID 0
B. RAID 1
C. RAID 2
D. RAID 5
E. RAID 10

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Problem 11

Which of the following tools can you use to perform manual DNS lookups on a Linux system? (Choose two.)
A. dig
B. nslookup
C. tracert
D. dnslookup

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Problem 12

Which of the following commands generates a Request timed out error message?
A. ping
B. netstat
C. ipconfig
D. nbtstat

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Problem 13

Which of the following commands would you use to add a static entry to the ARP table of a Windows 2000 system?
R. arp - a IP ADDRESS MAC ADDRESS
B. arp - $S$ MAC ADDRESS IP ADDRESS
C. arp - $S$ IP ADDRESS MAC ADDRESS
D. arp - i IP ADDRESS MAC ADDRESS

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Problem 14

Which command created the following output?
Server: nen.bx.ttfc.net
Address: $\quad 209.55 \cdot 4 \cdot 155$
Name: examcram.com
Address: $\quad 63.240 .93 .157$
A. nbtstat
B. ipconfig
C. tracert
D. nslookup

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