Wednesday, June 22, 2011

CISCO IT Essential v4.1 Chapter 9

1. Which three suggestions are good security password policies that a company or individual should follow? (Choose three.)
*Passwords should have an expiration period.
*Password lockout should be enabled.
*A mix of letters, numbers, and other characters should be used.

2. Which two characteristics describe a worm? (Choose two.)
*Is self-replicating.
*Travels to new computers without any intervention or knowledge of the user.

3.Which type of program causes banners and ads to appear on the desktop without any user intervention?
*adware

4. A network administrator is looking for a technology that includes both hardware and software authentication. Which technology could the administrator use?
*Trusted Platform Module (TPM)

5. When setting up a new wireless access point, which basic security measure should be taken?
*Disable SSID broadcast.

6. Which best practice should be included in a password protection policy?
*Implement lockout rules upon consecutive unsuccessful attempts at accessing the system.

7. Which wireless security technology is a good choice when using Cisco equipment in conjunction with operating systems such as Windows and Linux?
*LEAP

8. A bank is upgrading the hard drives in a server. What should be done to the old hard drives to permanently remove any confidential data?
*Destroy the hard drives with a hammer.

9. Which two statements are true about username and password standards? (Choose two.)
*The username naming convention should be kept simple.
*Rules about password expiration and lockout should be defined.

10. A technician has downloaded the latest Windows XP updates from the Microsoft website. What should the technician do before installing the updates?
*Create a restore point.

11. A financial organization is donating computers to a local charity. What is the best method to remove all data from the hard drives in the computers?
*Use data wiping software and delete any hard drive partitions.

12. Which three security storage features are supported by the TPM hardware module? (Choose three.)
*encryption keys
*digital certificates
*passwords

13. A fingerprint reader is an example of which security technology?
*biometric

14. Where is the safest place to store backups?
*locked server room

15. Which type of authentication is evidenced by the use of a small chip on a card that contains user identification data such as bank account numbers and digital signatures?
*smart card

16. Which two items can be downloaded from the Microsoft website to help protect Windows XP? (Choose two.)
*service packs
*security patches

17. Which threat to security uses traffic from zombie computers to overwhelm servers?
*DDoS

18. What is the preferred wireless encryption technique if the wireless clients support it?
*WPA

19. Which is the best procedure to secure a laptop left at the office while the user is away for an extended period of time?
*Place the laptop in a locked security cage designed to store computer equipment.

20. What is the best method for a company to secure data being transmitted across the Internet between remote sites?
*Use computers secured with smartcard authentication.

21. Which type of software is downloaded onto the computer of a user without the knowledge of the user and causes information about various products to be displayed on the user's monitor?
*adware

22. An attacker has managed to decode the encrypted messages of a wireless network. The network uses Windows XP and Cisco equipment. The security protocol that is used is WEP with 64-bit encryption. Which action can be recommended to the technician for securing the network?
*Upgrade to the LEAP wireless security protocol.

23. What must be done to ensure that the anti-virus software on a computer is able to detect and eradicate the most recent viruses?
*Download the latest signature files on a regular basis.

24. Which statement accurately describes the WEP standard?
*WEP is a first generation security standard for wireless communication.

25. What are two examples of malware? (Choose two.)
*spyware
*grayware

26. An employee for a small company inadvertently allows a visitor to see their username and password. At home, the visitor then uses this information to gain access to the company network. This is an example of what type of threat?
*social engineering

27. An attacker claiming to be a bank representative contacts a potential victim via e-mail and requests disclosure of vital account information. Which security attack is being implemented?
*phishing

CISCO IT Essential v4.1 Chapter 8

1. Refer to the exhibit. Which type of network cable is shown?
*fiber-optic

2.Which term describes the process of adding headers to data as it moves through the layers of the OSI model?
*encapsulation

3. When purchasing Cisco components for a network installation, what are three warning signs that the equipment may be counterfeit? (Choose three.)
*The price is much less than expected.
*The equipment appears to be performing at a substandard level.

*The packaging appears to be substandard compared to the packaging of other Cisco purchases.

4. Which protocol is used to automatically configure network devices?
*DHCP
   
5. Which protocol lacks support for encryption and can be initiated from a computer command prompt?
*Telnet

6. Which broadband technology would be recommended for a business that requires workers to access the Internet while visiting customers at many different locations?
*cellular
    
7. Which two factors are used to determine the different categories of UTP cabling? (Choose two.)
*The number of twists in the wires inside the cable.
*The number of wires inside the cable.

    
8. Which network topology will allow all devices to continue to communicate with each other should a network cable fail?
*mesh
    
9. Which software must be installed and working correctly on a computer to successfully enable a VPN connection to a remote site?
*VPN client

10. A college student is confused. To use online banking, the student types https://www.banking.com, whereas to access the college web page, the student types http://www.college.edu. Why would the two institutions use different protocols?
*The bank encrypts the web page information that is sent and received.
    
11. What is the purpose of the device that uses the 198.133.219.43 address?
*It is the device that translates domain names to IP addresses.
    
12. Which Cisco team can be contacted to help when Cisco equipment is suspected to be counterfeit?
*Cisco Brand Protection Team
    
13. Which digital technology provides an upstream speed that is typically less than the downstream speed?
*ADSL
    
14. Which utility can be used to determine end-to-end connectivity between source and destination?
*Ping

15. Which Windows XP command displays the route taken by packets crossing an IP network?
*tracert

16. Which procedure is normally performed when connecting a computer to an Ethernet network for the first time?
*Manually assign an IP address.
    
17. A student brings a laptop to a school that has wireless access. The laptop is not connecting to the school network. What is the first thing that the student should check?
*the available wireless networks within range
    
18. Which device enables computers to be attached to a network without segmenting the network?
*hub

19. Which topology has only one central point of failure, is easy to troubleshoot, and is most commonly implemented in newer networks?
*star

20. Which layer of the OSI model is primarily concerned with accessing the physical media and physical addressing?
*Data Link
    
21. Which wireless IEEE standard operates in a radio frequency of 2.4 GHz and supports a maximum bandwidth of 54 Mbps?
*802.11g
    
22. A company is investigating the use of an ISDN service to act as backup for the ASDL service they use to communicate with branch offices. They discover that the ISDN BRI service uses two 64 kb/s B channels. Which function do the B channels perform?
*carry the data stream
    
23. What is the maximum range a data signal can travel through a 1000BASE-T network segment?
*328 ft (100 m)

24. A technician is configuring a computer to send print jobs to a network printer. When the technician sends a test print to the printer, the print job fails. The technician tries to ping the network printer, but the technician suddenly remembers a change in Windows that is hampering the troubleshooting process. What change might this be?
*The Windows firewall stops pings.
    
25. What is one difference between a network domain and a workgroup?
*A domain provides centralized control.
    
26. Which three protocols are associated with e-mail? (Choose three.)
*IMAP
*POP3
*SMTP

27. A network administrator wants to connect a new building to an existing network using cable that can provide a secure connection and is not susceptible to electrical interference. The new building is approximately 800 meters away from the existing network. Which cable type should the administrator choose?
*fiber optic

28. Which two characteristics describe Ethernet technology? (Choose two.)
*supported by IEEE 802.3 standards
*uses a bus logical topology
    
29. Which three factors are reasons to choose a client/server model for a network instead of peer-to-peer? (Choose three.)
*The company network requires secure access to confidential information.
*The users need a central database to store inventory and sales information.
*The data gathered by the employees is critical and should be backed up on a regular basis.
    
30. Which technique is used to ensure that data from one computer does not collide with data from any other computer in a CSMA/CD network?
*Computers listen to the network for clearance to send data.

CISCO IT Essential v4.1 Chapter 7

1. Which printing technology uses the vibration of a crystal to control the flow of ink onto the paper to produce an image?
*piezoelectric
2. Which printer technology is used in low-cost, photo-quality printers?
*inkjet
3. What laser printer component could cause streaking?
*drum
4. Which step of the laser printing process involves scanning the photosensitive drum with a laser?
*writing
5. Which software, embedded in a printer, controls how the printer operates and can be upgraded?
*firmware
6. What is a common disadvantage of inkjet printers?
*The nozzles can get obstructed.
7. What is the best source for a Windows-compatible scanner driver?
*website for scanner manufacturer
8. What are two advantages of using impact printers? (Choose two.)
*carbon-copy printing ability
*inexpensive consumables
9. Which standard governs the use of parallel printer ports?
*IEEE 1284
10. Which technology is used by laser printers?
*electrophotographic
11. Which Windows XP command sends a file named example.txt to the default printer?
*print example.txt
12. Instead of the document that was expected, a printer is printing unusual characters. What should be the next steps in solving this printer problem?
*Check the printer data cabling. If the cabling is secure on both ends, replace the print cartridge or ribbon.
13. Which type of printer is commonly used in stores to produce cash register receipts?
*thermal
14. Which two names refer to the IEEE 1394 standard? (Choose two.)
*FireWire
*i.Link
15. Which three functions are commonly included in the all-in-one devices? (Choose three.)
*fax
*printer
*scanne
16. A museum possesses several old paintings that the curators wish to reproduce and sell in the museum gift shop. Which type of scanner can be used to produce the highest-quality reproduction?
*drum
17. Which two modes of operation within the IEEE 1284 standard allow bi-directional communication? (Choose two.)
*ECP
*EPP
18. Which unit is commonly used to measure the print quality of an inkjet printer?
*DPI
19. Which step of the laser printing process is the last step performed by a laser printer when printing a document?
*fusing
20. Which software converts scanned pages into text?
*Optical Character Recognition
21. What is typical of a network printer installation?
*the use of Ethernet or wireless
22. What is the maximum number of devices that can be connected to a single FireWire interface?
*63
23. What is an advantage of using a solid-ink printer instead of an inkjet printer?
*It produces vivid color prints.
24. Which two Wi-Fi standards are used to provide a wireless connection between printers and computers? (Choose two.)
*802.11b
*802.11g
25. Which laser printer component is a metal cylinder that is coated with a light-sensitive insulating material?
*drum

CISCO IT Essential v4.1 Chapter 6

1. What is meant by a laptop device being hot-swappable?
*The laptop does not need to be powered off to install or remove the device.

2. Where can a technician change the power schemes on a laptop running Windows XP?
*Select Power Options from within the Control Panel.

3. What is the proper way to clean optical drives?
*Use a cleaning disc for optical drives.

4. Which generation of cell-phone standards was the first to deal with how to send and receive text, photographs, and video?
*third

5. Which name is given to the collection of settings that control the power settings of a laptop?
*power schemes

6. Refer to the exhibit. What is the correct order of steps to remove a laptop battery?
*2, 3, 4, 1

7. A technician is responding to a helpdesk ticket for a laptop that has a distorted image of the Windows desktop. What is one possible solution?
*change to native resolution.

8. Which three components are interchangeable between desktop and laptop computers? (Choose three.)
*printer
*scanner
*USB flash drive

9. Refer to the exhibit. A laptop has these graphics on specific keys on the keyboard. Which key would be used in conjunction with the Fn key to connect a laptop to an external monitor?
*F8

10. What power mode is commonly known in the Windows environment as suspend mode?
*S3

11. Which Windows XP or Vista control panel is used to reduce power when the computer has not been used by anyone for an hour?
*Power Options

12. Which two characteristics make laptops a better choice than desktop computers? (Choose two.)
*mobility
*size

13. During the set up of a network connection, which option can be double-clicked to configure an IP address on an Ethernet NIC?
*TCP/IP or TCP/IPv4

14. Which type of interface do current laptops use to achieve similar expansion capabilities as desktops?
*PC ExpressCard

15. Which two actions should be performed to clean the surface of CDs and DVDs? (Choose two.)
*Use a lint-free cotton cloth.
*Wipe the disc from the center outward.

16. Which two devices can be individually configured within Windows XP to power off after the laptop has been idle for a given period of time? (Choose two.)
*disk drive
*monitor

17. A technician is replacing a laptop SODIMM. With what component is the technician working?
*RAM

18. Which internal laptop component may be designed as a hot-swappable device?
*optical drive

19. Which two devices are commonly hot-swappable on laptops? (Choose two.)
*PC Card
*USB Drive

20. How should a hot-swappable device normally be removed from a laptop?
*Use the Safely Remove Hardware systray icon.

21. Which option within the Windows Control Panel is used to install a modem?
*Phone and Modem Options

22. Which display technology is most commonly found in modern laptop computers?
*LCD

23. Which two laptop ports are used primarily for communication and network connectivity? (Choose two.)
*Ethernet
*modem

24. What feature is provided by an auto-switching power supply on a laptop?
* laptop can be used in different countries.

25. A technician has been called in to troubleshoot a laptop that fails to power on. The technician repeatedly pushes the power button without any results. What should the technician do next?
*Attach the AC adapter.

26.What is the major difference between desktop and laptop motherboards?
*Desktop motherboards typically have a standard form factor and are interchangeable while laptop motherboards are proprietary.

27. Which three components commonly connect to USB or FireWire ports? (Choose three.)
*camera
*printer
*scanner

28. Refer to the exhibit. Which two form factors are supported by the devices shown in the graphic? (Choose two.)
*34mm wide
*54mm wide

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