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1) Which of the following percentages represents the highest availability?
a. 99.99%
b. 0.001%
c. 99%
d. 0.10% |
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Definition
1) Which of the following percentages represents the highest availability?
a. 99.99%
b. 0.001%
c. 99%
d. 0.10% |
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Term
2) Which of the following commands allows you to determine how long your Linux server has been running continuously?
a. show runtime
b. ifconfig up
c. uptime
d. ifconfig avail |
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Definition
2) Which of the following commands allows you to determine how long your Linux server has been running continuously?
a. show runtime
b. ifconfig up
c. uptime
d. ifconfig avail
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3) What characteristic of the IRC protocol makes it an effective way to spread viruses and worms quickly?
a. It does not require users to log on, thus allowing open entry to the server via users' connections.
b. It broadcasts communication from one chat room participant to others.
c. It maintains a registry of all potential users and issues keep-alive transmissions to those users periodically.
d. It relies on multiple servers to provide the IRC service, thus enabling many hosts to become infected at once. |
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Definition
3) What characteristic of the IRC protocol makes it an effective way to spread viruses and worms quickly?
a. It does not require users to log on, thus allowing open entry to the server via users' connections.
b. It broadcasts communication from one chat room participant to others.
c. It maintains a registry of all potential users and issues keep-alive transmissions to those users periodically.
d. It relies on multiple servers to provide the IRC service, thus enabling many hosts to become infected at once. |
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4) You have outsourced your VoIP services to a cloud computing provider that promises 99.99% uptime. However, one day your IP telephone service is unavailable for a hour. If this turns out to be the service's average downtime per month, what is its actual uptime?
a. 99.96%
b. 99.93%
c. 99.90%
d. 98.99% |
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Definition
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4) You have outsourced your VoIP services to a cloud computing provider that promises 99.99% uptime. However, one day your IP telephone service is unavailable for a hour. If this turns out to be the service's average downtime per month, what is its actual uptime?
a. 99.96%
b. 99.93%
c. 99.90%
d. 98.99% |
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Term
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5) If your anti-malware software uses signature scanning, what must you do to keep its malware-fighting capabilities current?
a. Purchase new malware signature scanning software every three months.
b. Reinstall the malware-scanning software each month.
c. Manually edit the date in the signature scanning file.
d. Regularly update the anti-malware software's signature database. |
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Definition
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5) If your anti-malware software uses signature scanning, what must you do to keep its malware-fighting capabilities current?
a. Purchase new malware signature scanning software every three months.
b. Reinstall the malware-scanning software each month.
c. Manually edit the date in the signature scanning file.
d. Regularly update the anti-malware software's signature database. |
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Term
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6) Which of the following power flaws has the ability to render your server's main circuit board unusable, even after power returns to normal?
a. Surge
b. Brownout
c. Blackout
d. Sag |
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Definition
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6) Which of the following power flaws has the ability to render your server's main circuit board unusable, even after power returns to normal?
a. Surge
b. Brownout
c. Blackout
d. Sag |
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Term
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7) Approximately how long will an online UPS take to switch its attached devices to battery power?
a. 1 minute
b. 30 seconds
c. 5 seconds
d. No time |
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Definition
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7) Approximately how long will an online UPS take to switch its attached devices to battery power?
a. 1 minute
b. 30 seconds
c. 5 seconds
d. No time |
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8) When purchasing a UPS, you have to match the power needs of your system according to what unit of measure?
a. Hertz
b. Volt-amps
c. Watts
d. Mbps or Gbps |
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Definition
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8) When purchasing a UPS, you have to match the power needs of your system according to what unit of measure?
a. Hertz
b. Volt-amps
c. Watts
d. Mbps or Gbps |
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Term
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9) What makes SONET a highly fault-tolerant technology?
a. It requires high-speed backup lines for every connectivity device.
b. It connects customers with multiple network service providers.
c. It uses single-mode, rather than multimode, fiber-optic cable.
d. It uses dual fiber-optic rings to connect nodes. |
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Definition
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9) What makes SONET a highly fault-tolerant technology?
a. It requires high-speed backup lines for every connectivity device.
b. It connects customers with multiple network service providers.
c. It uses single-mode, rather than multimode, fiber-optic cable.
d. It uses dual fiber-optic rings to connect nodes. |
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Term
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10) Which of the following allows two interfaces on a switch to share the burden of receiving and transmitting traffic over a single logical connection?
a. Round-robin DNS
b. Link aggregation
c. Clustering
d. Mirroring |
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Definition
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10) Which of the following allows two interfaces on a switch to share the burden of receiving and transmitting traffic over a single logical connection?
a. Round-robin DNS
b. Link aggregation
c. Clustering
d. Mirroring |
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Term
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11) Suppose you want to use redundant firewalls on your WAN link. Which of the following protocols would allow you to make both firewalls respond to requests for the same IP address?
a. SMTP
b. CARP
c. DHCP
d. NTP |
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Definition
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11) Suppose you want to use redundant firewalls on your WAN link. Which of the following protocols would allow you to make both firewalls respond to requests for the same IP address?
a. SMTP
b. CARP
c. DHCP
d. NTP |
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12) Which of the following can be considered an advantage of clustering servers over mirroring servers?
a. Clustering does not affect network performance.
b. Clustering keeps a more complete copy of a disk's data.
c. Clustering failover takes place more rapidly.
d. Clustering has no geographical distance limitations. |
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Definition
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12) Which of the following can be considered an advantage of clustering servers over mirroring servers?
a. Clustering does not affect network performance.
b. Clustering keeps a more complete copy of a disk's data.
c. Clustering failover takes place more rapidly.
d. Clustering has no geographical distance limitations. |
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Term
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13) Which of the following offers the highest fault tolerance for shared data and programs?
a. RAID
b. Bonding
c. SANs (storage area networks)
d. NAS (network area storage) devices |
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Definition
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13) Which of the following offers the highest fault tolerance for shared data and programs?
a. RAID
b. Bonding
c. SANs (storage area networks)
d. NAS (network area storage) devices |
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Term
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14) Why do SANS save and retrieve files faster than NAS devices?
a. They use a proprietary network transmission method, rather than Ethernet.
b. They save files with similar characteristics in the same place on a drive.
c. They rely on customized Network and Transport layer protocols.
d. They save only the parts of files that were changed, rather than the file's entire contents. |
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Definition
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14) Why do SANS save and retrieve files faster than NAS devices?
a. They use a proprietary network transmission method, rather than Ethernet.
b. They save files with similar characteristics in the same place on a drive.
c. They rely on customized Network and Transport layer protocols.
d. They save only the parts of files that were changed, rather than the file's entire contents. |
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Term
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15) Suppose you are the network manager for an ISP whose network contains five file servers that use software RAID, a NAS installation, and a SAN. You learn that the company is taking on a huge Web hosting client and you need to add 10 TB of storage space as soon as possible. To what part of the network should you add the storage so that it causes the least disruption to the existing network?
a. To one of the server's RAID arrays
b. To all of the servers' RAID arrays
c. To the NAS
d. To the SAN |
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Definition
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15) Suppose you are the network manager for an ISP whose network contains five file servers that use software RAID, a NAS installation, and a SAN. You learn that the company is taking on a huge Web hosting client and you need to add 10 TB of storage space as soon as possible. To what part of the network should you add the storage so that it causes the least disruption to the existing network?
a. To one of the server's RAID arrays
b. To all of the servers' RAID arrays
c. To the NAS
d. To the SAN |
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Term
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16) Which factor must you consider when using cloud backups that you don't typically have to consider when backing up to an external storage device?
a. Number of clients attached to the network
b. Security
c. Future accessibility of data
d. Time to recover |
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Definition
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16) Which factor must you consider when using cloud backups that you don't typically have to consider when backing up to an external storage device?
a. Number of clients attached to the network
b. Security
c. Future accessibility of data
d. Time to recover |
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Term
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17)In a Grandfather-Father-Son backup scheme, the October—week 1 – Thursday backup tape would contain what type of files?
a. Files changed since the previous Thursday
b. Files changed since a month ago Thursday
c. Files changed since Wednesday (a day before)
d. Files changed since the previous Wednesday |
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Definition
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17)In a Grandfather-Father-Son backup scheme, the October—week 1 – Thursday backup tape would contain what type of files?
a. Files changed since the previous Thursday
b. Files changed since a month ago Thursday
c. Files changed since Wednesday (a day before)
d. Files changed since the previous Wednesday
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Term
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18) In the Grandfather-Father-Son backup scheme, how frequently is a full backup performed? (Choose all that apply.)
a. Daily
b. Twice a week
c. Weekly
d. Every other week
e. Monthly |
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Definition
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18) In the Grandfather-Father-Son backup scheme, how frequently is a full backup performed? (Choose all that apply.)
a. Daily
b. Twice a week
c. Weekly
d. Every other week
e. Monthly |
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Term
19) What is the difference between an Incremental backup and a differential backup?
a. An incremental backup saves all the files on a disk, whereas a differential backup saves only the files that have changed since the previous backup.
b. An incremental backup requires the network administrator to choose which should be backed up, whereas a differential backup automatically saves files that have changed since the previous backup.
c. An Incremental backup saves all files that haven't been backed up since a defined date, whereas a differential backup saves all files whose archive bit is set.
d. An incremental backup resets the archive bit after backing up files, whereas a differential backup does not.
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Definition
19) What is the difference between an Incremental backup and a differential backup?
a. An incremental backup saves all the files on a disk, whereas a differential backup saves only the files that have changed since the previous backup.
b. An incremental backup requires the network administrator to choose which should be backed up, whereas a differential backup automatically saves files that have changed since the previous backup.
c. An Incremental backup saves all files that haven't been backed up since a defined date, whereas a differential backup saves all files whose archive bit is set.
d. An incremental backup resets the archive bit after backing up files, whereas a differential backup does not.
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Term
20) You have been charged with creating a disaster recovery contingency plan for the federal benefits agency where you work. Your supervisor has said that the network must have the highest availability possible, no matter what the cost. Which disaster recovery site do you recommend?
a. Cold site
b. Cool site
c. Warm site
d. Hot site |
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Definition
20) You have been charged with creating a disaster recovery contingency plan for the federal benefits agency where you work. Your supervisor has said that the network must have the highest availability possible, no matter what the cost. Which disaster recovery site do you recommend?
a. Cold site
b. Cool site
c. Warm site
d. Hot site |
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For more study material on this topic
click here and go to
my Network+ Cert Study Help page
http://www.share-connect.com
Thanks, mikeypzy |
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Definition
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Some or all material taken from:
Dean, Tamara
“Ensuring Integrity and Availability”
Chap. 14 In Network+ Guide to Networks
6th Edition
Boston: Course Technology, Cengage Learning, 2013
Visit Cengage Learning on the web: http://www.cengagebrain.com/
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