FINAL
- Version 1 -
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Refer to the exhibit. Which type of cabling should be used at each of the connection points shown?
*A-straight-through B-crossover C-straight-through D-fiber E-straight-through
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Which combination of network id and subnet mask correctly identifies all IP addresses from 172.16.128.0 through 172.16.159.255?
*172.16.128.0 255.255.224.0
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Which binary number is a representation of the decimal number 248?
*11111000
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What are three characteristics of the TCP protocol? (Choose three.)
*forces the retransmission of unacknowledged packets
*creates a virtual session between end-user applications
*is responsible for breaking messages into segments and reassembling them at their destination
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Refer to the exhibit. A company needs to attach workstation E at a point 150 meters from an existing hub. What device should be placed at location D to allow the new host to connect to the network with the least amount of latency?
*repeater
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Refer to the exhibit. An instructor in the network class has given the students the network diagram and asks the students to select the appropriate network devices. The goals are to provide a collision-free LAN environment and to provide Internet connectivity. What is the correct design?
*Replace Box 1 with a Layer 2 switch and Box 2 with a router.
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A simplified CAM table for Switch1 is shown in the exhibit. If host A sends a frame with a destination MAC address of 66C, how does the switch process this frame?
*The switch sends the frame out ports 2, 3, and 4.
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Refer to the exhibit. A newly hired technician has a task of terminating CAT 5 UTP cables. The network administrator visually examined the cables the technician terminated. Some of the cables have connectors as shown in the exhibit. What should the network administrator explain to the technician about the cables?
*The cable in Graphic A will produce more crosstalk.
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Which of the following increases the potential for a collision to occur?
* an increase in the number of devices attached to the hub
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Which type of address is 223.168.17.167/29?
*multicast address
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Refer to the exhibit. The internetwork in the exhibit has been assigned the IP address 172.20.0.0. What would be the appropriate subnet mask to maximize the number of networks available for future growth?
*255.255.252.0
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Workstation A sends data to workstation B. What will have to be altered as the data passes through the router? (Choose two.)
*Layer 1 bit pattern
*Layer 2 frames
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What should a network administrator consider when migrating to Gigabit Ethernet architecture from Fast Ethernet? (Choose three.)
*Existing NICs might need to be upgraded.
*Existing switches might need to be upgraded.
*Existing UTP must be tested for CAT 5e compatibility.
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What type of routing is it when the network administrator manually configures a route?
*static
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Refer to the exhibit. A network administrator attempts to increase the available bandwidth for workstation A by setting the NIC to full-duplex mode. After the configuration is changed, there are increased collisions and errors occurring. Why is this occurring in the network?
*The hub will be continually producing a jam signal.
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Refer to the received frame in the exhibit. In what two ways is the information from the received frame used by a switch? (Choose two.)
*192.168.10.11 is left intact as the frame is forwarded.
*To make the forwarding decision, the switch looks in its switch table for address aaaa.bbbb.cccc.
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An IT administrator desires to install a Gigabit Ethernet link between the two buildings shown in the exhibit. Conflicting suggestions have been given to the administrator from a variety of sources. Which suggestion should the administrator adopt to ensure the success of this project?
*A combination of UTP, repeaters, and multimode optical fiber will reach 900 meters with Gigabit Ethernet.
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Refer to the exhibit. What is the order of the TCP/IP Protocol Data Units as data is moved as indicated through the OSI model?
*data, segments, packets, frames, bits
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Which technologies are considered to be WAN technologies? (Choose two.)
*DSL
*Frame Relay
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Which statement describes a star topology?
*Each host is connected to a hub or switch, either of which acts as a central point for all network connections.
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Refer to the exhibit. A network administrator is testing a connectivity issue in the network. The administrator discovers that host A cannot communicate with host B, host C, or RouterA. A ping command on host A to 127.0.0.1 succeeds. The NIC link indicator on host A is illuminated. Temporarily, the administrator removes the cable from host A and uses the LAN cable from host B to connect from host A to port 1 on the switch. While using the substitute cable, host A can communicate with host C and RouterA. At which layer of the OSI model was the problem occurring?
*physical
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Refer to the exhibit. What type of cable connects the two routers together without any intermediary device?
*crossover
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Refer to the exhibit. What is an advantage of using this type of topology?
*Network communication continues in the event of a break.
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Refer to the exhibit. Host A is being manually configured for connectivity to the LAN. Which two addressing scheme combinations are possible configurations that can be applied to the host for connectivity? (Choose two.)
*Address - 192.168.1.82 Gateway - 192.168.1.65
*Address - 192.168.1.70 Gateway - 192.168.1.65
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Which of the following devices extend a collision domain? (Choose two.)
*hub
*bridge-(check)
*repeater
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A technician needs to connect a FastEthernet port from a router to a FastEthernet port on a switch. The graphic shows the RJ-45 cable ends for a patch cable. What result can be expected if this cable is used for the link?
*The cable will be able to pass traffic between the devices.
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- Version 2 -
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Refer to the exhibit. How many broadcast domains are shown?
*Three
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When using Category 5 UTP cable, which RJ-45 pin pairs are used to exchange data between hosts on an Ethernet network?
*1 and 2; 3 and 6
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Refer to the exhibit. A network administrator has configuredF a network after subnetting the network number 192.168.0.0/28. Workstation 1 is not able to communicate with Workstation 2. What is the cause of this loss in communications?
*Workstation 1 is not on the same network that the Router 1 LAN interface is on.
=======================3D============================
Refer to the exhibit. The hub and the switch are operating using factory default settings. Which hosts will receive the frame if host A transmits a broadcast frame?
*Workstations B, C, D, E, and the router will receive the data.
=================================3D==================
Refer to the exhibit. A network associate needs to establish an Ethernet connection between Host A and Host B. However, the distance between the two hosts is further than the cabling standards allow. Which two devices that operate at the physical layer of the OSI can be used to allow Host A and Host B to communicate? (Choose two.)
*hub
*repeater
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Refer to the exhibit. A network technician is trying to determine the correct IP address configuration for Host A. What is a valid configuration for Host A?
IP address: 192.168.100.20; Subnet Mask: 255.255.255.240; Default Gateway: 192.168.100.17
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Which devices will create multiple collision domains in an Ethernet network? (Choose two.)
*switch
*router
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Refer to the exhibit. What is the order of the TCP/IP Protocol Data Units as data is moved as indicated through the OSI model?
*bits, frames, packets, segments, data
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Refer to the exhibit. The connections in the exhibit are labeled A through E. Which of these indicate LAN links? (Choose two.)
*link A
*link E
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Refer to the exhibit. Which type of UTP cable should be used to connect Host A to Switch1?
*straight-through
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Based on the graphic above, which of the following occurs as each host system comes on line in the topology?
*The switch adds MAC address to the bridge table as each host sends a frame.
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How does a switch learn the addresses of hosts connected to its ports?
*The switch reads the source MAC address on incoming frames and records it in CAM.
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Refer to the exhibit. Which diagram represents the network topology that an administrator would prefer, and why would the administrator prefer it?
*Diagram A. It will better provide available bandwidth to the hosts.
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After an unsuccessful ping to the local router, the technician decides to investigate the router. The technician observes that the lights and fan on the router are not operational. In which layer of the OSI model is the problem most likely occurring?
*physical
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A user initiates three simultaneous FTP connections from the local host to the same FTP server. Which OSI layer is responsible for establishing and managing these different FTP connections?
*session
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Which technologies are considered to be LAN technologies? (Choose two.)
*Token Ring
*Ethernet
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A router interface has been assigned an IP address of 172.16.192.166 with a mask of 255.255.255.248. To which subnet does the IP address belong?
*172.16.192.160
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What is the correct number of usable subnetworks and hosts for the IP network address 192.168.35.0 subnetted with a /28 mask?
*14 networks / 14 hosts
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In the exhibit, the connections between the devices are labeled A, B, C, D, and E. For each connection, what is the correct UTP cable to use?
*A=rollover, B=straight, C=straight, D=crossover, E=crossover
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A network administrator has added a new switch to the network. The new switch connects to an existing switch that is already installed. Which UTP cable correctly connects the new switch to the existing switch?
*crossover
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Refer to the exhibit. What must be configured on Host B to allow it to communicate with the file server? (Choose three.)
*a unique host IP address
*the subnet mask for the LAN
*the default gateway address
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Refer to the exhibit. Host A pings Host B. What can be concluded about the source and destination addresses contained in the communication sent by Router R5 when it forwards the ping out the Ethernet interface to Host B? (Choose two.)
*source MAC address: 5555.AAAA.6666
*destination IP address: 192.168.10.134
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What is the decimal representation of the binary number 11111000?
*248
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A large company has a network that is constantly changing. The routing tables in the routers need to be adjusted to reflect the changes in the routing paths. What type of routing would the network administrator implement?
*dynamic routing protocols
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Which network device creates the highest amount of latency?
*router
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Why do vendors utilize the OSI model when designing networking products?
*It ensures greater compatibility and interoperability with equipment from different vendors.
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Which type of address is 192.168.170.112/28?
*subnetwork address
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A router determines the path to deliver a packet. What layer of the OSI model does this fact represent?
*network
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What are important characteristics to consider when purchasing a network interface card? (Choose two.)
*media used on the network
*system bus used on the computer
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Which subnet masks could be used when subnetting a Class B IP address? (Choose two.)
*255.255.255.240
*255.255.192.0
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Refer to the exhibit. The network administrator wants to create a subnet for the point-to-point connection between the two routers. Which subnetwork mask would provide enough addresses for the point-to-point link with the least number of wasted addresses?
*255.255.255.252
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Which characteristics are common to both UDP and TCP? (Choose two.)
*uses port numbers
*classified as a transport layer protocol
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Two peer hosts are exchanging data using TFTP. During the current session, a devices fails to arrive at the destination. Which statement is true regarding the retransmission of the devices?
*devices retransmission is controlled by the application.
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Which protocols are TCP/IP applicattion layer protocols? (Choose two.)
*TFTP
*DNS
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Which of the following statements are correct about CSMA/CD? (Choose three.)
*It is a media access method used in LANs.
*When a device needs to transmit, it checks to see i the media is available.
*Only one device can successfully transmit at a time.
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Subject: FINAL 
Tue Nov 13, 2007 11:22 am
:D