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 the network.**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.2A wireless DHCP client cannot connect to the Internet through a Linksys integrated router. When you type ipconfig onthe host, no IP address, subnet mask, or default gateway shows. What are two of the first things you will check?(Choose two.)**SSID**if the wireless client is configured for DHCPthe cable between client and integrated routerthe firewall configuration on the integrated routerif the correct default gateway is configured on the clientif the correct default gateway is configured on the integrated router3Refer to the graphic. Assume that the command output is from a wireless DHCP client that is connected to a Linksysintegrated 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.4What measurement is commonly used to describe communication speed when transferring data?**bps cpsHzMB5What 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.They are designed to switch data packets as fast as possible.6When acting as a DHCP server, an integrated router can provide what three types of information to a client? (Choosethree.)physical addressMAC address**default gatewaystatic IP address**dynamic IP address**DNS server address7Where 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.8Refer to the graphic. What is the effect of setting the security mode to WEP on the Linksys integrated 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.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.9When are leased lines typically used?when low bandwidth is requiredfor home and small business connectivity**when a dedicated digital data line is necessaryas a less expensive option to cable and DSL modem service
10Which wireless protocol is used for encryption?EAPOpenPSK**WEP11The area covered by a single AP is known as what?**ad-hoc networkbasic service setindependent basic service setextended service setdistribution system12Which installation option should be chosen when the current operating system is too damaged to work properly?upgrademulti-boot**clean installvirtualization13What layer is the first point of entry for a host into the network?core layer**access layernetwork layerdistribution layer14What two commands can be used to form a new binding if client information does not agree with the DHCP clienttable? (Choose two.)**ipconfig /releaseipconfig /allipconfig /flushdns**ipconfig /renewipconfig15What are two advantages of purchasing a custom-built computer? (Choose two.)**usually a lower costno waiting period for assembly**user can specify higher performance componentssupports higher-end graphics and gaming applicationsfewer components to replace16What information within a data packet does a router use, by default, to make forwarding decisions?**the destination MAC addressthe destination IP addressthe destination host namethe destination service requested17What is a service pack?an access policyan agreement between a company and a vendora piece of code created to fix one specific problem**a collection of patches and updates released by a vendora small piece of software designed specifically for security issues18
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 in one.19Which 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.20What is the name for the contract between a customer and an ISP that specifies requirements for uptime and serviceresponse time?DSLIABNAP**SLA21What are two ways that a user can interact with an operating system shell? (Choose two.)**CLIOS**GUINICkernel22Select the connection that would require a straight-through cable.a switch to a hub**a router to a switcha switch to a switcha router to a router23Choose the option that shows the correct sequence of steps in the encapsulation of TCP/IP data that is passed froma 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 frameA,B,C,DA,C,D,BB,D,C,AB,C,D,A**D,C,B,A24What is specified by the network number in an IP address?**the network to which the host belongsthe physical identity of the computer on the networkthe node of the subnetwork which is being addressedthe broadcast identity of subnetwork
25Refer 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.26Which 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.DNS servers are used to configure logical address information for host computers.DNS servers are used to translate from private addresses to public addresses.27Which of the following are the address ranges of the private IP addresses? (Choose three.)**10.0.0.0 to 10.255.255.255220.127.116.11 to 18.104.22.16822.214.171.124 to 126.96.36.199**172.16.0.0 to 172.31.255.255**192.168.0.0 to 192.168.255.255127.16.0.0 to 127.31.255.25528Which protocol is used to transfer files among network devices and perform file-management functions?DNS**FTPHTMLHTTP29Select three statements that correctly describe how DHCP services may be provided. (Choose three.)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 theISP).
30Refer 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 wired network.31Identify two causes of physical layer network problems. (Choose two.)logical addressing issues**improperly terminated cables**cables plugged into wrong portsincorrect MAC address assignedpackets received out of sequenceincorrect subnet mask on an interface32Which part of the electromagnetic spectrum is commonly used to exchange data between a PDA and a computer?FMradar**infraredultraviolet33Which of the following are transport layer protocols of the TCP/IP model? (Choose two.)FTP**UDPSMTPTFTP**TCP34For the second time in a week, workstations on a LAN are not able to log into the server. The technician fixed theproblem the first time, but cannot remember the steps taken to solve it. What aspect of the troubleshooting processhas the technician neglected?identifying the problemasking end-users questions**documenting the troubleshooting processusing structured techniques to solve a problem35What 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 network receive it.
36A network host is accessing a web server. What two protocols are most likely being used as the TCP/IP modelapplication layer protocol and the internetwork layer protocol? (Choose two.)IPFTP**TCPDHCP**HTTP37Which 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 is allowed.**Access is permitted only if it is a legitimate response to a request from an internal host.38What does the term "attenuation" mean in data communication?**loss of signal strength as distance increasestime for a signal to reach its destinationleakage of signals from one cable pair to anotherstrengthening of a signal by a networking device39What is the default subnet mask for a class B address?255.0.0.0**255.255.0.0255.255.255.025188.8.131.5240Refer to the graphic. Based on the configuration information that is shown, which three types of 802.11 networks areallowed access to the WLAN? (Choose three.)802.11a**802.11b802.11e**802.11g**802.11n802.11x41Within a local network, which two items must be unique on a computer for it to successfully connect to the network?(Choose two.)
**IP addresssubnet mask**computer namedefault gateway addressoperating system version42When considering the purchase of a new operating system, what is meant by "Total Cost of Ownership?"applications and support costshardware and support costshardware and software costs**hardware, software, and support costshardware, operating system, and applications costs43A computer joins the network and announces itself to all hosts on the LAN. What type of message does the computersend out?**broadcastsimulcastmulticastunicast44Refer to the graphic. What feature can be installed on the Linksys integrated router to convert private IP addresses toInternet-routable addresses?authenticationDHCPencryptionfirewall**NATWEP45When terminating UTP cabling, why is it important to untwist only a small amount of each wire pair?**minimizes crosstalkmakes installation fasterensures wires are in correct ordermakes it easier to fit wires into connector46A host sent a message that all other hosts on the local network received and processed. What type of domain are allthese hosts a part of?
local domainmulticast domaincollision domain**broadcast domain47Your school network blocks all websites related to online gaming. What type of security policy is being applied?identification and authenticationremote access**acceptable useincident handling48Refer to the graphic. Assume that the exhibited output is from a host that is connected to a Linksys integrated router.What is one of the first things you should check?IP address on the hostIP address on the routersubnet mask on the hostdefault gateway on the host**link status LED on the front of the router49How does a crossover cable make it possible for two "like devices" (for example, two switches) to communicate?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.50What are two examples of storage peripheral devices? (Choose two.)printer**flash driveheadphones**external DVD
barcode reader51What are the two possible values for a digital bit? (Choose two.)**0**1AF#952What type of computer would most likely use a docking station?**laptopserverdesktopmainframeworkstation