Comptia Network+ Certification Exam Guide (Mike Meyers) - Review Questions And Answers, Exams of Network and System Administration

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Guide (Mike Meyers) - Review Questions

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Where does a hub send data? A. Only to the receiving system B. Only to the sending system C. To all the systems connected to the hub D. Only to the server

• correct answer C What uniquely identifies every NIC? A. IP address B. Media access control address C. ISO number D. Packet ID number
• correct answer B What Windows utility do you use to find the MAC address for a system? A. ipconfig /all B. ipcfg /all C. ping D. mac
• correct answer A

Guide (Mike Meyers) - Review Questions

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A MAC address is known as a(n) __________ address. A. IP B. logical C. physical D. OEM

• correct answer C A NIC sends data in discrete chunks called __________. A. segments B. sections C. frames D. layers
• correct answer C Which MAC address begins a frame? A. Receiving system B. Sending system C. Network D. Router
• correct answer A

Guide (Mike Meyers) - Review Questions

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A frame ends with a special bit called the frame check sequence (FCS). What does the FCS do? A. Cycles data across the network B. Verifies that the MAC addresses are correct C. Verifies that the data arrived correctly D. Verifies that the IP address is correct

• correct answer C Which of the following is an example of a MAC address? A. 0- B. 00-50-56-A3-04-0C C. SBY3M D. 192.168.4.
• correct answer B Which layer of the TCP/IP model controls the assembly and disassembly of data? A. Application layer B. Presentation layer C. Session layer D. Transport layer
• correct answer D

Guide (Mike Meyers) - Review Questions

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Which layer of the OSI seven-layer model keeps track of a system's connections to send the right response to the right computer? A. Application layer B. Presentation layer C. Session layer D. Transport layer

• correct answer C Which of the following topologies requires termination? A. Star B. Bus C. Mesh D. Ring
• correct answer B Star-bus is an example of a _______________ topology. A. transitional B. system C. hybrid

Guide (Mike Meyers) - Review Questions

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D. rampant

• correct answer C Of the topologies listed, which one is the most fault- tolerant? A. Point-to-point B. Bus C. Star D. Ring
• correct answer C What term is used to describe the interconnectivity of network components? A. Segmentation B. Map C. Topology D. Protocol
• correct answer C Coaxial cables all have a(n) _______________ rating. A. resistance B. watt

Guide (Mike Meyers) - Review Questions

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C. speed D. ohm

• correct answer D Which of the following is a type of coaxial cable? A. RJ- B. RG- C. BNC D. Barrel
• correct answer B Which network topology connects nodes with a ring of cable? A. Star B. Bus C. Ring D. Mesh
• correct answer C Which network topology is most commonly seen only in wireless networks? A. Star

Guide (Mike Meyers) - Review Questions

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B. Bus C. Ring D. Mesh

• correct answer D Which of the following is a duplex fiber-optic connection? A. LC B. RJ- C. ST D. SC
• correct answer A What is the most common category of UTP used in new cabling installations? A. CAT 5 B. CAT 5e C. CAT 6 D. CAT 6a
• correct answer B Ethernet hubs take an incoming packet and _______________ it out to the other connected ports.

Guide (Mike Meyers) - Review Questions

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A. amplify B. repeat C. filter D. distort

• correct answer B What is appended to the beginning of the Ethernet frame? A. MAC address B. Length C. Preamble D. FCS
• correct answer C What type of bus does 10BaseT use? A. Bus B. Ring C. Star bus D. Bus ring
• correct answer C

Guide (Mike Meyers) - Review Questions

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What is the maximum distance that can separate a 10BaseT node from its hub? A. 50 meters B. 100 meters C. 185 meters D. 200 meters

• correct answer B When used for Ethernet, unshielded twisted pair uses what type of connector? A. RG- B. RJ- C. RJ- D. RS-
• correct answer B What is the maximum number of nodes that can be connected to a 10BaseT hub? A. 1024 B. 500 C. 100

Guide (Mike Meyers) - Review Questions

And Answers

D. 185

• correct answer A Which of the following is not true of crossover cables? A. They are a type of twisted-pair cabling. B. They reverse the sending and receiving wire pairs. C. They are used to connect hubs. D. Both ends of a crossover cable are wired according to the TIA/EIA 568B standard.
• correct answer D Which of the following connectors are used by 10BaseFL cable? (Select two.) A. SC B. RJ- C. RJ- D. ST
• correct answer AD Which networking devices can use the Spanning Tree Protocol (STP)? A. Hubs

Guide (Mike Meyers) - Review Questions

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B. Media converters C. UTP cables D. Switches

• correct answer D What device directs packets based on MAC addresses? A. Router B. Hub C. Repeater D. Switch
• correct answer D With 100BaseT, what is the maximum distance between the switch and the node? A. 1000 meters B. 400 meters C. 100 meters D. 150 meters
• correct answer C What type of cable and connector does 100BaseFX use? A. Multimode fiber with ST or SC connectors

Guide (Mike Meyers) - Review Questions

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B. STP CAT 6 with RJ-45 connectors C. Single-mode fiber with MT-RJ connectors D. UTP CAT 5e with RJ-45 connectors

• correct answer A How many pairs of wires do 10BaseT and 100BaseT use? A. 4 B. 1 C. 3 D. 2
• correct answer D What standard does IEEE 802.3ab describe? A. 1000BaseLX B. 1000BaseT C. 1000BaseCX D. 1000BaseSX
• correct answer B What is the big physical difference between 1000BaseSX and 100BaseFX? A. 1000BaseSX uses the SC connector exclusively.

Guide (Mike Meyers) - Review Questions

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B. 1000BaseSX is single-mode, whereas 100BaseFX is multimode. C. 1000BaseSX uses the ST connector exclusively. D. There is no difference.

• correct answer A What is the maximum distance for 1000BaseLX without repeaters? A. 1 mile B. 2500 meters C. 20,000 feet D. 5000 meters
• correct answer D What is a big advantage to using fiber-optic cable? A. Fiber is common glass; therefore, it's less expensive. B. Fiber is not affected by EMI. C. Making custom cable lengths is easier with fiber. D. All that orange fiber looks impressive in the network closet.
• correct answer B

Guide (Mike Meyers) - Review Questions

And Answers

How many wire pairs does 1000BaseT use? A. 1 B. 2 C. 3 D. 4

• correct answer D What is the standard connector for the 10 GbE fiber standard? A. ST B. SC C. MT-RJ D. There is no standard.
• correct answer D What is the maximum cable length of 10GBaseT on CAT 6? A. 55 meters B. 100 meters C. 20 meters D. 70 meters
• correct answer A

Guide (Mike Meyers) - Review Questions

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Which of the following cables should never be used in a structured cabling installation? A. UTP B. STP C. Fiber-optic D. Coax

• correct answer D Which of the following enables you to use multiple NICs in a computer to achieve a much faster network speed? A. Bonding B. Linking C. SLI D. Xing
• correct answer A How many pairs of wires are in a CAT 5e-rated cable? A. 2 B. 4 C. 8

Guide (Mike Meyers) - Review Questions

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D. It doesn't specify.

• correct answer B A(n) _______________ organizes and protects the horizontal cabling in the telecommunications room. A. rack B. patch panel C. outlet D. 110 jack
• correct answer B Which of the following would never be seen in an equipment rack? A. Patch panel B. UPS C. PC D. All of the above may be seen in an equipment rack.
• correct answer D What are patch cables used for? (Select two.) A. To connect different telecommunications rooms. B. To connect the patch panel to the switch.

Guide (Mike Meyers) - Review Questions

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C. They are used as crossover cables. D. To connect PCs to outlet boxes.

• correct answer BD Which of the following network technologies use UTP cabling in a star topology? (Select two.) A. 10Base B. Fiber optics C. 10BaseT D. 100BaseT
• correct answer CD Jane needs to increase network throughput on a 10BaseT network that consists of one hub and 30 users. Which of the following hardware solutions would achieve this most inexpensively? A. Add a fiber backbone. B. Upgrade the network to 100BaseT. C. Replace the hub with a switch. D. Add a router.
• correct answer C

Guide (Mike Meyers) - Review Questions

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What two devices together enable you to pick a single cable out of a stack of cables? (Select two.) A. Tone aggregator B. Tone binder C. Tone generator D. Tone probe

• correct answer CD Rack-mounted equipment has a height measured in what units? A. Mbps B. MBps C. Inches D. U
• correct answer D How many bits does an IPv4 address consist of? A. 16 B. 32 C. 64 D. 128
• correct answer B

Guide (Mike Meyers) - Review Questions

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Identify the network ID section of the following IP address and subnet mask: 10.14.12.43-255.255.255.0. A. 10. B. 43 C. 10.14. D. 14.12.

• correct answer C Which of the following is a proper subnet mask? A. 11111111111111111111111100000000 B. 00000000000000000000000011111111 C. 10101010101010101010101011111111 D. 01010101010101010101010100000000
• correct answer A What does ARP stand for? A. Address Reconciliation Process B. Automated Ranking Protocol C. Address Resolution Protocol D. Advanced Resolution Protocol
• correct answer C

Guide (Mike Meyers) - Review Questions

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Identify the class of the following IP address: 146.203.143.101. A. Class A B. Class B C. Class C D. Class D

• correct answer B Which of the following are valid subnet masks? (Select two.) A. 11111111.11111111.11100000. B. 11111111.11111111.11111111. C. 11111111.00000000.11111111. D. 00000000.00000000.11111111.
• correct answer AB What is the maximum number of hosts in a /19 subnet? A. 254 B. 8, C. 16,

Guide (Mike Meyers) - Review Questions

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D. 8,190

• correct answer D What is the number 138 in binary? A. 10001010 B. 10101010 C. 10000111 D. 11001010
• correct answer A When DHCP Discover fails, what process will the client use to generate an address for itself? A. ATAPI (Automatic Temporary Address Program Initiator) B. APIPA (Automatic Private IP Addressing) C. ATIPA (Automatic Temporary IP Address) D. APFBA (Automatic Programmable Fall Back Address)
• correct answer B Which of the following is a valid loopback address? A. 128.0.0.1 B. 127.0.0.0 C. 128.0.0.255

Guide (Mike Meyers) - Review Questions

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D. 127.24.0.1

• correct answer D What is a router? A. A piece of hardware that forwards packets based on IP address B. A device that separates your computers from the Internet C. A piece of hardware that distributes a single Internet connection to multiple computers D. A synonym for a firewall
• correct answer A Routers must use the same type of connection for all routes, such as Ethernet to Ethernet or ATM to ATM. A. True B. False
• correct answer B What technology allows you to share a single public IP address with many computers? A. Static Address Translation B. Natural Address Translation

Guide (Mike Meyers) - Review Questions

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C. Computed Public Address Translation D. Port Address Translation

• correct answer D Given the routing table where would a packet with the address 64.165.5.34 be sent? A. To the default gateway on interface WAN. B. To the 10.11.12.0/24 network on interface LAN. C. To the 64.165.5.0/24 network on interface WAN. D. Nowhere; the routing table does not have a route for that address.
• correct answer C Distance vector routing protocols such as RIP rely on what metric to determine the best route? A. Hop count. B. Link speed. C. Ping time. D. Routes are chosen at random.
• correct answer A What are two big advantages to using OSPF over RIP or BGP? (Select two.)

Guide (Mike Meyers) - Review Questions

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A. OSPF is a modern protocol that does not have legacy problems. B. OSPF chooses routes based on link speed, not hop count. C. OSPF runs on all routers, big and small. D. OSPF sends only routing table changes, reducing network traffic.

• correct answer BD What is Area 0 called in OSPF? A. Local Area B. Primary Zone C. Trunk D. Backbone
• correct answer D What is the name of the cable that you use to connect to the console port on Cisco routers? A. Router console cable B. Yost cable C. That funny blue Cisco cable D. Null modem cable
• correct answer B

Guide (Mike Meyers) - Review Questions

And Answers

When you are first setting up a new router, you should never plug it into an existing network. A. True B. False

• correct answer A The traceroute utility is useful for? A. Configuring routers remotely B. Showing the physical location of the route between you and the destination C. Discovering information about the routers between you and the destination address D. Fixing the computer's local routing table
• correct answer C The protocol developed by Netscape for transmitting private documents over the Internet is known as ___________. A. SSS B. SSA C. SSL