Tuesday, February 5, 2008

Final Exam (versi 2)

Which cable diagram displays the end to end pinout for a console cable used with Cisco devices?
*Cable B

How many broadcast domains are shown in the diagram?

Refer to the exhibit. What device does Device X represent in the graphic to allow PC1 to ping PC4?

Refer to the exhibit. How many collision domains are present in the topology?

What can be verified by successfully pinging the reserved loopback address on a host?
*The TCP/IP stack of the local host is installed correctly.

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

A collision has occurred on an Ethernet network. Which three statements explain the CSMA/CD process? (Choose three.)
*After the jam signal, all transmission stops for a random period.
*When the backoff period expires, each host checks to see whether the networking media is idle and then attempts to transmit.
*When the collision is detected, the hosts continue to transmit using a jam pattern for a short time to ensure that all hosts detect the collision.

A workstation is browsing a web server. What will be the partial contents of the segment sent from the workstation to the web server?
*source port 1026, destination port 80, sequence number 1, ack number 0

Which protocols are TCP/IP application layer protocols? (Choose two.)

A company has the following addressing scheme requirements:-currently has 25 subnets-uses a Class B IP address-has a maximum of 300 computers on any network segment-needs to leave the fewest unused addresses in each subnetWhat subnet mask is appropriate to use in this company?

Refer to the exhibit. Host A has been added to the network. However, host A cannot communicate with the server B or the Internet. All cables have been tested and are functioning to standards. At which layer of the OSI model is this problem occurring?
*Layer 3

Refer to the exhibit. Workstation 1 pings the Fa0/1 interface of Router 1. Which MAC address will workstation 1 obtain during the ARP request for this communication?

When the receiving workstation detects an error in the data it has received, it does not acknowledge receipt of the data. The source workstation retransmits the unacknowledged data. Which layer of the OSI model supports this process of retransmission?

Which subnet masks would be valid for a subnetted Class B address? (Choose two.)*

A network user is using the FTP protocol to transfer data from the local host to an FTP server. The local host is also using the SNMP protocol to report the system status to the network management system. Which statement describes the communication from the host?
*FTP uses TCP to establish a session before any data is transferred.

A NIC of a computer has been assigned an IP address of with a mask of To which subnet does the IP address belong?

Which devices segment collision domains? (Choose two.)

Refer to the exhibit. Which type of Category 5 cable is used to make an Ethernet connection between Host A and Host B?
*crossover cable

Refer to the exhibit. What must be configured on Host B to allow it to communicate with the Host C? (Choose three.)
*a unique host IP address
*the default gateway address
*the subnet mask for the LAN

Refer to the exhibit. The connections in the exhibit are labeled A through E. Which of these indicate WAN links? (Choose three.)
*link B
*link C
*link D

Refer to the exhibit. Which type of UTP cable should be used to connect Switch1 to Switch2?*crossover

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

Which layer of the OSI model defines the process of adding the source and destination IP address to a data packet?

Refer to the exhibit. What is the purpose of the highlighted address?
*It allows the NIC to communicate with other devices on the same network.

What is the correct number of usable subnetworks and hosts for the IP network address subnetted with a /29 mask?
*30 networks / 6 hosts

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

Which combination of network id and subnet mask correctly identifies all IP addresses from through
* to

Which binary number is a representation of the decimal number 248?

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.

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?

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.

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.

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.

Which of the following increases the potential for a collision to occur?
*an increase in the number of devices attached to the hub

Which type of address is
*multicast address

Refer to the exhibit. The internetwork in the exhibit has been assigned the IP address What would be the appropriate subnet mask to maximize the number of networks available for future growth?

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

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.

What type of routing is it when the network administrator manually configures a route?

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.

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.)
* 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.

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.

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

Which technologies are considered to be WAN technologies? (Choose two.)
*Frame Relay

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.

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 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?

Refer to the exhibit. What type of cable connects the two routers together without any intermediary device?

Refer to the exhibit. What is an advantage of using this type of topology?
*Network communication continues in the event of a break.

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 - Gateway -
*Address - Gateway -

Which of the following devices extend a collision domain? (Choose two.)

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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