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Cisco discovery d homesb module 10 final exam - v.4 in english.

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  • 1. Cisco Discovery - DHomesb Module 10 Final Exam - V.4in english.Q.1 Which three statements are true about local and network applications? (Choose three.) A local application is loaded in a local computer and can be accessed by a remote computer on thenetwork. A network application is loaded in a local computer and accessed from a remote computer. A local application is loaded in a local computer and accessed only by the local computer. A network application is loaded in a local computer and accessed only by the local computer. An example of a local application is e-mail. An example of a network application is instant messaging.Q.2 A wireless DHCP client cannot connect to the Internet through a Linksys integrated router. Whenyou type ipconfig on the host, no IP address, subnet mask, or default gateway shows. What are two ofthe first things you will check? (Choose two.) SSID if the wireless client is configured for DHCP the cable between client and integrated router the firewall configuration on the integrated router if the correct default gateway is configured on the client if the correct default gateway is configured on the integrated router
  • 2. Q.3 Refer to the graphic. Assume that the command output is from a wireless DHCP client that isconnected to a Linksys integrated router. What can be deduced from the output? The wireless connection is good. The WEP key or SSID needs to be checked. The DHCP configuration on the router needs to be checked. The wireless NIC driver or the NIC itself needs to be reinstalled.Q.4 What measurement is commonly used to describe communication speed when transferring data? bps cps Hz MBQ.5 What is an accurate description of network devices in the distribution layer? They are designed to interconnect individual hosts. They are designed to interconnect multiple companies. They are designed to interconnect local network segments.
  • 3. They are designed to switch data packets as fast as possible.Q.6 When acting as a DHCP server, an integrated router can provide what three types of information toa client? (Choose three.) physical address MAC address default gateway static IP address dynamic IP address DNS server addressQ.7 Where do ISPs get the public addresses that they assign to end users? ISPs create the addresses themselves. ISPs are assigned addresses through the RFC. ISPs obtain their addresses automatically. ISPs obtain address blocks from registry organizations.Q.8 Refer to the graphic. What is the effect of setting the security mode to WEP on the Linksysintegrated router? It identifies the wireless LAN. It allows the access point to inform clients of its presence. It translates IP addresses into easy-to-remember domain names. It encrypts data between the wireless client and the access point.
  • 4. It ensures that only authorized users are allowed access to the WLAN. It translates an internal address or group of addresses into an outside, public address.Q.9 When are leased lines typically used? when low bandwidth is required for home and small business connectivity when a dedicated digital data line is necessary as a less expensive option to cable and DSL modem serviceQ.10 Which wireless protocol is used for encryption? EAP Open PSK WEPQ.11 The area covered by a single AP is known as what? ad-hoc network basic service set independent basic service set extended service set distribution systemQ.12 Which installation option should be chosen when the current operating system is too damaged towork properly? upgrade
  • 5. multi-boot clean install virtualizationQ.13 What layer is the first point of entry for a host into the network? core layer access layer network layer distribution layerQ.14 What two commands can be used to form a new binding if client information does not agree withthe DHCP client table? (Choose two.) ipconfig /release ipconfig /all ipconfig /flushdns ipconfig /renew ipconfig15. What are two advantages of purchasing a custom-built computer? (Choose two.) usually a lower cost no waiting period for assembly user can specify higher performance components supports higher-end graphics and gaming applications fewer components to replaceQ.16 What information within a data packet does a router use, by default, to make forwarding
  • 6. decisions? the destination MAC address the destination IP address the destination host name the destination service requestedQ.17 What is a service pack? an access policy an agreement between a company and a vendor a piece of code created to fix one specific problem a collection of patches and updates released by a vendor a small piece of software designed specifically for security issuesQ.18 What is an ISP? It is a standards body that develops cabling and wiring standards for networking. It is a protocol that establishes how computers within a local network communicate. It is an organization that allows individuals and businesses to connect to the Internet. It is a networking device that combines the functionality of several different networking devices inone.Q.19 Which two statements correctly describe Media Access Control (MAC) addresses? (Choose two.) MAC addresses are used to identify a specific NIC. MAC addresses are physical addresses. MAC addresses contain a network number and unique host identification. MAC addresses are always assigned to network devices by a network administrator. MAC addresses can be dynamically assigned.
  • 7. Q.20 What is the name for the contract between a customer and an ISP that specifies requirements foruptime and service response time? DSL IAB NAP SLAQ.21 What are two ways that a user can interact with an operating system shell? (Choose two.) CLI OS GUI NIC kernelQ.22 Select the connection that would require a straight-through cable. a switch to a hub a router to a switch a switch to a switch a router to a router23. Choose the option that shows the correct sequence of steps in the encapsulation of TCP/IP data thatis passed from a source to a destination host?A. converts data to bits for transmissionB. packages the data for end to end transportC. adds the data-link header and trailerD. adds the network IP address to the header of the frame A,B,C,D
  • 8. A,C,D,B B,D,C,A B,C,D,A D,C,B,AQ.24 What is specified by the network number in an IP address? the network to which the host belongs the physical identity of the computer on the network the node of the subnetwork which is being addressed the broadcast identity of subnetworkQ.25 Refer to the graphic. What is the purpose of assigning a Network Name of Academy? It identifies the wireless LAN. It translates IP addresses into easy-to-remember domain names. It encrypts data between the wireless client and the access point. It allows access to the AP configuration GUI by name rather than address. It translates an internal address or group of addresses into an outside, public address.Q.26 Which of the following statements best describes DNS? DNS servers are used to map an IP address to a physical address. DNS servers are used to map a name to an IP address.
  • 9. DNS servers are used to configure logical address information for host computers. DNS servers are used to translate from private addresses to public addresses.Q.27 Which of the following are the address ranges of the private IP addresses? (Choose three.) 10.0.0.0 to 10.255.255.255 200.100.50.0 to 200.100.25.255 150.150.0.0 to 150.150.255.255 172.16.0.0 to 172.31.255.255 192.168.0.0 to 192.168.255.255 127.16.0.0 to 127.31.255.255Q.28 Which protocol is used to transfer files among network devices and perform file-managementfunctions? DNS FTP HTML HTTPQ.29 Select three statements that correctly describe how DHCP services may be provided. (Choosethree.) An integrated router provides IP configurations for most ISPs. An integrated router can act as both DHCP server and DHCP client. A home PC using a static IP address obtained that address from a DHCP server. Most home network integrated routers receive an IP configuration directly from their ISP. A variety of devices can act as DHCP servers, as long as they run DHCP service software. A home PC is required by standards to obtain an IP address and default gateway from a DHCP server(usually the ISP).
  • 10. Q.30 Refer to the graphic. Based on the information that is shown, what statement is true? This configuration would be commonly found in an ad hoc wireless network. Any wireless client that is attached to this access point would have the same IP address and SSID. All wireless devices that are connected to this access point must have an assigned SSID of Academy. In addition to accepting wireless client requests, this access point must connect to the wirednetwork.Q.31 Identify two causes of physical layer network problems. (Choose two.) logical addressing issues improperly terminated cables cables plugged into wrong ports incorrect MAC address assigned packets received out of sequence incorrect subnet mask on an interfaceQ.32 Which part of the electromagnetic spectrum is commonly used to exchange data between a PDAand a computer? FM radar infrared ultraviolet
  • 11. Q.33 Which of the following are transport layer protocols of the TCP/IP model? (Choose two.) FTP UDP SMTP TFTP TCPQ.34 For the second time in a week, workstations on a LAN are not able to log into the server. Thetechnician fixed the problem the first time, but cannot remember the steps taken to solve it. Whataspect of the troubleshooting process has the technician neglected? identifying the problem asking end-users questions documenting the troubleshooting process using structured techniques to solve a problemQ.35 What action will a router take when it receives a frame with a broadcast MAC address? It will not forward the frame to another network. It forwards the frame back to the sending host with its IP address as a response. It forwards the frame out of all interfaces except the interface where the frame was received. It forwards the frame back out the receiving interface to insure all hosts on the local networkreceive it.Q.36 A network host is accessing a web server. What two protocols are most likely being used as theTCP/IP model application layer protocol and the internetwork layer protocol? (Choose two.) IP
  • 12. FTP TCP DHCP HTTPQ.37 Which statement is true concerning stateful packet inspection? Access is permitted based on IP addresses of the source and destination devices. Access is permitted based on the MAC addresses of the source and destination devices. Access is permitted only if the type of application that is attempting to reach the internal host isallowed. Access is permitted only if it is a legitimate response to a request from an internal host.Q.38 What does the term "attenuation" mean in data communication? loss of signal strength as distance increases time for a signal to reach its destination leakage of signals from one cable pair to another strengthening of a signal by a networking device39. What is the default subnet mask for a class B address? 255.0.0.0 255.255.0.0 255.255.255.0 255.255.255.255
  • 13. Q.40 Refer to the graphic. Based on the configuration information that is shown, which three types of802.11 networks are allowed access to the WLAN? (Choose three.) 802.11a 802.11b 802.11e 802.11g 802.11n 802.11xQ.41 Within a local network, which two items must be unique on a computer for it to successfullyconnect to the network? (Choose two.) IP address subnet mask computer name default gateway address operating system versionQ.42 When considering the purchase of a new operating system, what is meant by "Total Cost ofOwnership?" applications and support costs hardware and support costs hardware and software costs
  • 14. hardware, software, and support costs hardware, operating system, and applications costsQ.43 A computer joins the network and announces itself to all hosts on the LAN. What type of messagedoes the computer send out? broadcast simulcast multicast unicastQ.44 Refer to the graphic. What feature can be installed on the Linksys integrated router to convertprivate IP addresses to Internet-routable addresses? authentication DHCP encryption firewall NAT WEPQ.45 When terminating UTP cabling, why is it important to untwist only a small amount of each wirepair? minimizes crosstalk
  • 15. makes installation faster ensures wires are in correct order makes it easier to fit wires into connectorQ.46 A host sent a message that all other hosts on the local network received and processed. What typeof domain are all these hosts a part of? local domain multicast domain collision domain broadcast domainQ.47 Your school network blocks all websites related to online gaming. What type of security policy isbeing applied? identification and authentication remote access acceptable use incident handling
  • 16. Q.48 Refer to the graphic. Assume that the exhibited output is from a host that is connected to a Linksysintegrated router. What is one of the first things you should check? IP address on the host IP address on the router subnet mask on the host default gateway on the host link status LED on the front of the routerQ.49 How does a crossover cable make it possible for two "like devices" (for example, two switches) tocommunicate? The transmit pins are disconnected and only the receive pins are used. The transmit pins on one device are connected to the transmit pins on the other device. The receive pins on one device are connected to the receive pins on the other device. The transmit pins on one device are connected to the receive pins on the other device.50. What are two examples of storage peripheral devices? (Choose two.) printer flash drive
  • 17. headphones external DVD barcode readerQ.51 What are the two possible values for a digital bit? (Choose two.) 0 1 A F # 9Q.52 What type of computer would most likely use a docking station? laptop server desktop mainframe workstation