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Network+ Guide To Networks, 8th Edition Solution Manual - Document preview page 1

Network+ Guide To Networks, 8th Edition Solution Manual - Page 1

Document preview content for Network+ Guide To Networks, 8th Edition Solution Manual

Network+ Guide To Networks, 8th Edition Solution Manual

Network+ Guide To Networks, 8th Edition Solution Manual provides chapter-by-chapter insights to help you study smarter.

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Network+ Guide To Networks, 8th Edition Solution Manual - Page 1 preview image1Chapter1Introduction to NetworkingReviewQuestions1.In the client-servermodel, what is the primary protocol used for communicationbetween a browser and web server?a.FTPb.TCPc.HTTPd.SSLAnswer:c. HTTP2.Which two encryption protocols might be used toprovide secure transmissionsfor browser and web server communications?a.HTTP and HTTPSb.SSL and TLSc.SSL and HTTPd.TCP and UDPAnswer:b. SSL and TLS
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 2 preview image
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 3 preview image23.Which email protocol allows an email client to download email messages to thelocal computer?a.IMAP4b.SMTPc.TCPd.POP3Answer:d. POP34.Which email protocol allows an email client to read mail stored on the mailserver?a.IMAP4b.SMTPc.TCPd.POP3Answer:a. IMAP45.Which application embedded in Windows operating systems allows remotecontrol of a computer and uses the RDPsecure protocol for transmissions?a.Telnetb.Remote Desktopc.SFTPd.SSH
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 4 preview image3Answer:b. Remote Desktop6.A network consists offivecomputers, all running Windows 10 Professional.Allthe computers are connected to a switch, which is connected to a router, which isconnected to the Internet. Which networking model does the network use?a.Star-busb.Ringc.Hybridd.Peer-to-peerAnswer:d. Peer-to-peer7.In Question 6, suppose one computer is upgraded from Windows 10 Professionalto Windows Server 2016. Which networking model can the network now supportthat it could not support without the upgrade?a.Hybridb.Client-serverc.Star-busd.RingAnswer:b. Client-server8.A network consists of seven computers and a network printer, all connecteddirectly to one switch. Which network topology does this network use?a.Hybrid
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 5 preview image4b.Meshc.Star-busd.StarAnswer:d. Star9.In Question 8, suppose a new switch is connected to the first switch by way of anetwork cable, and three computers are connected to the new switch. Whichnetwork topology is now used?a.Hybridb.Meshc.Star-busd.StarAnswer:c. Star-bus10.Which type of address is used at the Transport layer to identify the receivingapplication?a.IP addressb.Portc.MAC addressd.ProtocolAnswer:b.Port
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 6 preview image511.What is the name of the domain controller database thatWindows Server 2016uses to store data about user access and resources on the network?Answer:Active Directory12.What is the fundamental distinction between a Layer 2 switch and a router?Answer: A Layer 2 switch belongs only to its local network, and a router belongs to twoor more networks.13.What is the fundamental distinction between a node and a host?Answer: A host is a computer that hosts a resource on the network, and a node is anycomputer or device that can be addressed on the network.14.What is the fundamental distinction between a MAN and a WAN?Answer: A MAN covers a small geographical area, and a WAN covers a largegeographical area.15.What is a message called that is delivered by TCP? What is a message called thatis delivered by UDP? At whichlayer do the two protocols work?Answer: SegmentAnswer: DatagramAnswer: Transport layer16.At the Network layer, what type of address is used to identify the receiving host?Answer: IP address
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 7 preview image617.At theDataLink layer, which type of network address is used to identify thereceiving node?Answer: Physical address, MAC address, hardware address, or DataLink layer address18.A computer is unable to access the network. When you check the LED lights nearthe computer’s network port, you discover the lights are notlit. Which layer of theOSI model are you using to troubleshoot this problem? At which two layers doesthe network adapter work?Answer: Physical layerAnswer: DataLink layer and Physical layer19.A user complains that he cannot access a particular website, although he is able toaccess other websites. At which layer of the OSI model should you begintroubleshooting this problem?Answer: Application layer20.A user complains that Skype drops her videoconference calls and she mustreconnect. At which layer of the OSI model should you begin troubleshooting?Which OSI layer is responsible for not dropping the Skype connection?Answer: Application layerAnswer:Session layer
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 8 preview image1Chapter2NetworkInfrastructureand DocumentationReviewQuestions1.A technician from your ISP has arrived to help you troubleshoot a weak WANconnection. To what location do you take her?a.DFb.Work areac.CEO’s officed.Entrance facilityAnswer:d.Entrance facility2.A transceiver was recently damaged by a lightning strike during a storm. Howmight you decide whether the ISP is responsible for replacing this device, orwhether your company must foot the bill?a.Look at whether the device is located on the ISP’s side of the demarc.b.Look at the manufacturer information on the device’s label.c.Look at purchase records for the device to determine when it wasacquired.d.Look at what kinds of cables are connected to this device.
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 9 preview image2Answer: a. Look at whether the device is located on the ISP’s side of the demarc.3.Which of the following devices are you likely to find in the MDF?Choose all thatapply.a.Routersb.Switchesc.Network printerd.KVM switchAnswer: a. Routers, b. Switches, and d. KVM switch4.Which deviceconverts signals from a campus’s analog phone equipment into IPdata that can travel over the Internet?a.VoIP PBXb.VoIP endpointc.VoIP gatewayd.VoIP switchAnswer:c. VoIP gateway5.If you’re shopping for a rack switch, what component on the switch tells you itcan be mounted to a rack?a.AC adapterb.Rack earsc.Padded feet
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 10 preview image3d.Large fansAnswer: b. Rack ears6.You need to connect a new network printer to a nearby wall jack. What kind ofcable should you use?a.Fiber-optic cableb.Patch cablec.Backbone cabled.Plenum-rated cableAnswer: b. Patch cable7.You’ve decided to run an Nmap scan on your network. What app could you opento perform this task?Choose all that apply.a.Zenmapb.Microsoft Edgec.Command Promptd.PowerShellAnswer: a. Zenmap, c. Command Prompt, and d. PowerShell8.Whattype of diagram shows a graphical representation of a network’s wiredinfrastructure?a.Rack diagramb.Wiring schematic
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 11 preview image4c.Network mapd.Network topologyAnswer:b. Wiring schematic9.Which of these is considered a secure place to store a list of documentednetworkpasswords?a.The CEO’s smartphoneb.A sticky note under the keyboardc.A password managerd.The MDFAnswer: c. A password manager10.What is the first step of inventory management?a.Interview users.b.Back up network data.c.List an administrative account’s username and password for each deviceon a network.d.List all components on the network.Answer: d. List all components on the network.11.There is only one ________ pernetwork, but there can be many ________connecting internal portions of the network.Answer:MDF, IDFs
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 12 preview image512.Why is it important to use a structured cabling standard when installing andmanaging cabling systems?Answer:The standard suggests how networking media can best be installed to maximizeperformance and minimize upkeep.13.Why is it important to use plenum-rated cabling in the area above the ceiling tile?Answer:A plenum-rated cable is coated with a flame-resistant jacket that produces lesssmoke than regular cable coated withPVC (polyvinyl chloride). In the event of a fire,smoke produced by plenum cabling is less toxic than that produced by PVC cabling.14.What is the unit of measurement that defines the space available in a rack? Howtall are standard racks?Answer:Rack unit; the industry standard height is 42U (about 6 feet)15.Why is itimportant to minimize cable clutter in a rack?Answer:To help prevent airflow blockages and heat buildup16.What are some elements that are typically included in network diagrams?Answer:Answers may include: physical layout, logical topology,IP address reserves,names of major network devices, and types of transmission media17.How can you go about gathering the information needed to assemble a thoroughoperations manual?Answer: Answers may include:visits to data rooms, an examination of servers anddesktops, a review of receipts for software and hardware purchases, andthe use of aprotocol analyzer or network management software package
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 13 preview image618.List some good names fordevices on your home network or on the network inyour school’s lab.Demonstrate the use of best practices when creating a namingscheme fordevices ona computernetwork.Answer: Answers may vary.19.For what time period should you schedule a network change?Answer: During off-hours (unless it’s an emergency)20.In a large organization, how do you typically request permission to perform anetwork change?Answer: Submit a change request document.
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 14 preview image1Chapter3Addressing on NetworksReviewQuestions1.Which part of a MAC address is unique to each manufacturer?a.The network identifierb.The OUIc.The device identifierd.The physical addressAnswer: b. The OUI2.What type of device does a computer turn to first when attempting to makecontact with a hostwith a known IP addresson another network?a.Default gatewayb.DNS serverc.Root serverd.DHCP serverAnswer: a. Default gateway3.What decimal number corresponds to the binary number 11111111?a.255
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 15 preview image2b.256c.127d.11,111,111Answer: a. 2554.Suppose you send data to the 11111111 11111111 11111111 11111111 IPaddress on an IPv4 network. To which device(s) are you transmitting?a.All devices on the Internetb.All devices on your localnetworkc.The one device that is configured with this IP addressd.No devicesAnswer: b. All devices on your local network5.When your computer first joins an IPv6 network, what is the prefix of the IPv6address the computer first configures for itself?a.FF00::/8b.2001::/64c.2001::/3d.FE80::/10Answer:d. FE80::/106.If you are connected to a network that uses DHCP, and you need to terminateyour Windows workstation’s DHCP lease, which command would you use?
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Network+ Guide To Networks, 8th Edition Solution Manual - Page 16 preview image3a.ipconfig /releaseb.ipconfig /renewc.ifconfig /released.ifconfig /renewAnswer: a.ipconfig /release7.Whichof these commands is available only in Linux?a.pingb.ipconfigc.digd.nslookupAnswer: c.dig8.Which computers are the highest authorities in the Domain Name Systemhierarchy?a.Authoritative name serversb.Rootserversc.Top-level domain serversd.Primary DNS serversAnswer: b. Root servers
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