exam CCNA 640-802

sashariel

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exam CCNA 640-802

« en: 14 de Junio de 2008, 10:56:45 »

Ke ondaz a toda la komunidad ....... iio soy noevo pero kiero hazer una gran aportazion a todos asi es ke aky les presentare un pekeño num de presguntas y respoestas del exam CCNA 640-802 ....nada mas 712 Q&A...

jajjjajjaaaaa,,,,,,,..... Sonreir

aky sta perte de mi primera publicacion ...no se desesperen si a un no ven todas las preguntas, pronto las tendran Cool

................. ccna exam certification coming soon!!

_______________________________________________________________________________________________

640-802 Q&A. 712 (primera parte)
Question: 1
What are two reasons that a network administrator would use access lists? (Choose two.)
A). to control vty access into a router
B). to control broadcast traffic through a router
C). to filter traffic as it passes through a router
D). to filter traffic that originates from the router
E). to replace passwords as a line of defense against security incursions
Answer: A, C
Question: 2
A default Frame Relay WAN is classified as what type of physical network?
A). point-to-point
B). broadcast multi-access
C). nonbroadcast multi-access
D). nonbroadcast multipoint
E). broadcast point-to-multipoint
Answer: C
Question: 3
A single 802.11g access point has been configured and installed in the center of a square office. A few wireless users are experiencing slow performance and drops while most users are operating at peak efficiency. What are three likely causes of this problem? (Choose three.)
A). mismatched TKIP encryption
B). null SSID
C). cordless phones
D). mismatched SSID
E). metal file cabinets
F). antenna type or direction
Answer: C, E, F
Question: 4
The command frame-relay map ip 10.121.16.8 102 broadcast was entered on the router. Which of the following statements is true concerning this command?
A). This command should be executed from the global configuration mode.
B). The IP address 10.121.16.8 is the local router port used to forward data.
C). 102 is the remote DLCI that will receive the information.
D). This command is required for all Frame Relay configurations.
E). The broadcast option allows packets, such as RIP updates, to be forwarded across the PVC.
Answer: E
Question: 5
Which type of attack is characterized by a flood of packets that are requesting a TCP connection to a server?
A). denial of service
B). brute force
C). reconnaissance
D). Trojan horse
Answer: A
Question: 6
Which of the following are associated with the application layer of the OSI model? (Choose two.)
A). ping
B). Telnet
C). FTP
D). TCP
E). IP
Answer: B, C
Question: 7
For security reasons, the network administrator needs to prevent pings into the corporate networks from hosts outside the internetwork. Which protocol should be blocked with access control lists?
A). IP
B). ICMP
C). TCP
D). UDP
Answer: B
Question: 8
What are two recommended ways of protecting network device configuration files from outside network security threats? (Choose two.)
A). Allow unrestricted access to the console or VTY ports.
B). Use a firewall to restrict access from the outside to the network devices.
C). Always use Telnet to access the device command line because its data is automatically encrypted.
D). Use SSH or another encrypted and authenticated transport to access device configurations.
E). Prevent the loss of passwords by disabling password encryption.
Answer: B, D
Question: 9
What are two security appliances that can be installed in a network? (Choose two.)
A). ATM
B). IDS
C). IOS
D). IOX
E). IPS
F). SDM
Answer: B, E
Question: 10
Which spread spectrum technology does the 802.11b standard define for operation?
A). IR
B). DSSS
C). FHSS
D). DSSS and FHSS
E). IR, FHSS, and DSSS
Answer: B
Question: 11
A network interface port has collision detection and carrier sensing enabled on a shared twisted pair network. From this statement, what is known about the network interface port?
A). This is a 10 Mb/s switch port.
B). This is a 100 Mb/s switch port.
C). This is an Ethernet port operating at half duplex.
D). This is an Ethernet port operating at full duplex.
E). This is a port on a network interface card in a PC.
Answer: C
Question: 12
A company is installing IP phones. The phones and office computers connect to the same device. To ensure maximum throughput for the phone data, the company needs to make sure that the phone traffic is on a different network from that of the office computer data traffic. What is the best network device to which to directly connect the phones and computers, and what technology should be implemented on this device? (Choose two.)
A). hub
B). router
C). switch
D). STP
E). subinterfaces
F). VLAN
Answer: C, F
Question: 13
Which routing protocol by default uses bandwidth and delay as metrics?
A). RIP
B). BGP
C). OSPF
D). EIGRP
Answer: D
Question: 14
In the implementation of VLSM techniques on a network using a single Class C IP address, which subnet mask is the most efficient for point-to-point serial links?
A). 255.255.255.0
B). 255.255.255.240
C). 255.255.255.248
D). 255.255.255.252
E). 255.255.255.254
Answer: D
Question: 15
Which two values are used by Spanning Tree Protocol to elect a root bridge? (Choose two.)
A). amount of RAM
B). bridge priority
C). IOS version
D). IP address
E). MAC address
F). speed of the links
Answer: B, E
Question: 16
While troubleshooting a network connectivity problem, a technician observes steady link lights on both the workstation NIC and the switch port to which the workstation is connected. However, when the ping command is issued from the workstation, the output message "Request timed out." is displayed. At which layer of the OSI model does the problem most likely exist?
A). the session layer
B). the protocol layer
C). the data link layer
D). the access layer
E). the network layer
F). the application layer
Answer: E
Question: 17
In order to allow the establishment of a Telnet session with a router, which set of commands must be configured?
A). router(config)# line console 0
router(config-line)# enable password cisco
B). router(config)# line console 0
router(config-line)# enable secret cisco
router(config-line)# login
C). router(config)# line console 0
router(config-line)# password cisco
router(config-line)# login
D). router(config)# line vty 0
router(config-line)# enable password cisco
E). router(config)# line vty 0
router(config-line)# enable secret cisco
router(config-line)# login
F). router(config)# line vty 0
router(config-line)# password cisco
router(config-line)# login
Answer: F
Question: 18
On point-to-point networks, OSPF hello packets are addressed to which address?
A). 127.0.0.1
B). 172.16.0.1
C). 192.168.0.5
D. 223.0.0.1
E. 224.0.0.5
F. 254.255.255.255
Answer: E
Question: 19
While troubleshooting a connectivity problem, a network administrator notices that a port status LED on a Cisco Catalyst series switch is alternating green and amber. Which condition could this indicate?
A). The port is experiencing errors.
B). The port is administratively disabled.
C). The port is blocked by spanning tree.
D). The port has an active link with normal traffic activity.
Answer: A
Question: 20
What is the maximum data rate specified for IEEE 802.11b WLANs?
A). 10 Mbps
B). 11 Mbps
C). 54 Mbps
D). 100 Mbps
Answer: B
Question: 21


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sashariel

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exam CCNA 640-802

« Respuesta #1 en: 14 de Junio de 2008, 10:59:56 »

mas de la primera parte ,,,,,,,,,,, espero ke los konvenza ,,,,,,,,,,,jajajajaja....
Question: 21
Which of the following describe the process identifier that is used to run OSPF on a router? (Choose two.)
A). It is locally significant.
B). It is globally significant.
C). It is needed to identify a unique instance of an OSPF database.
D). It is an optional parameter required only if multiple OSPF processes are running on the router.
E). All routers in the same OSPF area must have the same process ID if they are to exchange routing information.
Answer: A, C
Question: 22
Which two statements are true about the command ip route 172.16.3.0 255.255.255.0 192.168.2.4? (Choose two.)
A). It establishes a static route to the 172.16.3.0 network.
B). It establishes a static route to the 192.168.2.0 network.
C). It configures the router to send any traffic for an unknown destination to the 172.16.3.0 network.
D). It configures the router to send any traffic for an unknown destination out the interface with the address 192.168.2.4.
E). It uses the default administrative distance.
F). It is a route that would be used last if other routes to the same destination exist.
Answer: A, E
Question: 23
Which three statements are correct about RIP version 2? (Choose three.)
A). It has the same maximum hop count as version 1.
B). It uses broadcasts for its routing updates.
C). It is a classless routing protocol.
D). It has a lower default administrative distance than RIP version 1.
E). It supports authentication.
F). It does not send the subnet mask in updates.
Answer: A, C, E
Question: 24
What should be part of a comprehensive network security plan?
A). Allow users to develop their own approach to network security.
B). Physically secure network equipment from potential access by unauthorized individuals.
C). Encourage users to use personal information in their passwords to minimize the likelihood of passwords being forgotten.
D). Delay deployment of software patches and updates until their effect on end-user equipment is well known and widely reported.
E). Minimize network overhead by deactivating automatic antivirus client updates.
Answer: B
Question: 25
How should a router that is being used in a Frame Relay network be configured to avoid split horizon issues from preventing routing updates?
A). Configure a separate sub-interface for each PVC with a unique DLCI and subnet assigned to the sub-interface.
B). Configure each Frame Relay circuit as a point-to-point line to support multicast and broadcast traffic.
C). Configure many sub-interfaces on the same subnet.
D). Configure a single sub-interface to establish multiple PVC connections to multiple remote router interfaces.
Answer: A
Question: 26
Which two statements best describe the wireless security standard that is defined by WPA? (Choose two.)
A). It specifies use of a static encryption key that must be changed frequently to enhance security.
B). It requires use of an open authentication method.
C). It specifies the use of dynamic encryption keys that change each time a client establishes a connection.
D). It requires that all access points and wireless devices use the same encryption key.
E). It includes authentication by PSK.
Answer: C, E
Question: 27
What can a network administrator utilize by using PPP Layer 2 encapsulation? (Choose three.)
A). VLAN support
B). compression
C). authentication
D). sliding windows
E). multilink support
F). quality of service
Answer: B, C, E
Question: 28
What is the function of the Cisco IOS command ip nat inside source static 10.1.1.5 172.35.16.5?
A). It creates a global address pool for all outside NAT transactions.
B). It establishes a dynamic address pool for an inside static address.
C). It creates dynamic source translations for all inside local PAT transactions.
D). It creates a one-to-one mapping between an inside local address and an inside global address.
E). It maps one inside source address to a range of outside global addresses.
Answer: D
Question:29
An administrator issues the command ping 127.0.0.1 from the command line prompt on a PC. If a reply is received, what does this confirm?
A). The PC has connectivity with a local host.
B). The PC has connectivity with a Layer 3 device.
C). The PC has a default gateway correctly configured.
D). The PC has connectivity up to Layer 5 of the OSI model.
E). The PC has the TCP/IP protocol stack correctly installed.
Answer: E
Question: 30
What are some of the advantages of using a router to segment the network? (Choose two.)
A). Filtering can occur based on Layer 3 information.
B). Broadcasts are eliminated.
C). Routers generally cost less than switches.
D). Broadcasts are not forwarded across the router.
E). Adding a router to the network decreases latency.
Answer: A, D
Question: 31
There are no boot system commands in a router configuration in NVRAM. What is the fallback sequence that the router will use to find an IOS during reload?
A). TFTP server, Flash, NVRAM
B). ROM, NVRAM, TFTP server
C). NVRAM, TFTP server, ROM
D). Flash, TFTP server, ROM
E). Flash, NVRAM, ROM
Answer: D
Question: 32
In which circumstance are multiple copies of the same unicast frame likely to be transmitted in a switched LAN?
A). during high traffic periods
B). after broken links are re-established
C). when upper-layer protocols require high reliability
D). in an improperly implemented redundant topology
E). when a dual ring topology is in use
Answer: D
Question: 33
Which of the following describe private IP addresses? (Choose two.)
A). addresses chosen by a company to communicate with the Internet
B). addresses that cannot be routed through the public Internet
C). addresses that can be routed through the public Internet
D). a scheme to conserve public addresses
E). addresses licensed to enterprises or ISPs by an Internet registry organization
Answer: B, D
Question: 34
Which of the following statements are true regarding bridges and switches? (Choose 3.)
A). Switches are primarily software based while bridges are hardware based.
B). Both bridges and switches forward Layer 2 broadcasts.
C). Bridges are frequently faster than switches.
D). Switches have a higher number of ports than most bridges.
E). Bridges define broadcast domains while switches define collision domains.
F). Both bridges and switches make forwarding decisions based on Layer 2 addresses.
Answer: B, D, F
Question: 35
Which of the following describes the roles of devices in a WAN? (Choose three.)
A). A CSU/DSU terminates a digital local loop.
B). A modem terminates a digital local loop.
C). A CSU/DSU terminates an analog local loop.
D). A modem terminates an analog local loop.
E). A router is commonly considered a DTE device.
F). A router is commonly considered a DCE device.
Answer: A, D, E
Question: 36
A router receives information about network 192.168.10.0/24 from multiple sources. What will the router consider the most reliable information about the path to that network?
A). a directly connected interface with an address of 192.168.10.254/24
B). a static route to network 192.168.10.0/24
C). a RIP update for network 192.168.10.0/24
D). an OSPF update for network 192.168.0.0/16
E). a default route with a next hop address of 192.168.10.1
F). a static route to network 192.168.10.0/24 with a local serial interface configured as the next hop
Answer: A
Question: 37
Which three Layer 2 encapsulation types would be used on a WAN rather than a LAN? (Choose three.)
A). HDLC
B). Ethernet
C). Token Ring
D). PPP
E). FDDI
F). Frame Relay
Answer: A, D, F
Question: 38
Which additional configuration step is necessary in order to connect to an access point that has SSID broadcasting disabled?
A). Set the SSID value in the client software to public.
B). Configure open authentication on the AP and the client.
C). Set the SSID value on the client to the SSID configured on the AP.
D). Configure MAC address filtering to permit the client to connect to the AP.
Answer: C
Question: 39
Why will a switch never learn a broadcast address?
A). Broadcasts only use network layer addressing.
B). A broadcast frame is never forwarded by a switch.
C). A broadcast address will never be the source address of a frame.
D). Broadcast addresses use an incorrect format for the switching table.
E). Broadcast frames are never sent to switches.
Answer: C
Question: 40
What are two reasons a network administrator would use CDP? (Choose two.)
A). to verify the type of cable interconnecting two devices
B). to determine the status of network services on a remote device
C). to obtain VLAN information from directly connected switches
D). to verify Layer 2 connectivity between two devices when Layer 3 fails
E). to obtain the IP address of a connected device in order to telnet to the device
F). to determine the status of the routing protocols between directly connected routers
Answer: D, E
Question: 41
What is the purpose of the command shown below? vtp password Fl0r1da
A). It is used to validate the sources of VTP advertisements sent between switches.
B). It is used to access the VTP server to make changes to the VTP configuration.
C). It allows two VTP servers to exist in the same domain, each configured with different passwords.
D). It is the password required when promoting a switch from VTP client mode to VTP server mode.
E). It is used to prevent a switch newly added to the network from sending incorrect VLAN information to the other switches in the domain.
Answer: A
Question: 42
A network administrator needs to force a high-performance switch that is located in the MDF to become the root bridge for a redundant path switched network. What can be done to ensure that this switch assumes the role as root bridge?
A). Establish a direct link from the switch to all other switches in the network.
B). Assign the switch a higher MAC address than the other switches in the network have.
C). Configure the switch so that it has a lower priority than other switches in the network.
D). Configure the switch for full-duplex operation and configure the other switches for half-duplex operation.
E). Connect the switch directly to the MDF router, which will force the switch to assume the role of root bridge.
Answer: C
Question: 43
What is the effect of the following access list condition?
access-list 101 permit ip 10.25.30.0 0.0.0.255 any
A). permit all packets matching the first three octets of the source address to all destinations
B). permit all packets matching the last octet of the destination address and accept all source addresses
C). permit all packets from the third subnet of the network address to all destinations
D). permit all packets matching the host bits in the source address to all destinations
E). permit all packets to destinations matching the first three octets in the destination address
Answer: A
Question: 44
Why would a network administrator configure port security on a switch?
A). to prevent unauthorized Telnet access to a switch port
B). to limit the number of Layer 2 broadcasts on a particular switch port
C). to prevent unauthorized hosts from accessing the LAN
D). to protect the IP and MAC address of the switch and associated ports
E). to block unauthorized access to the switch management interfaces over common TCP ports
Answer: C
Question: 45
On which types of network will OSPF elect a backup designated router?
A). point-to-point and multiaccess
B). point-to-multipoint and multiaccess
C). point-to-point and point-to-multipoint
D). nonbroadcast and broadcast multipoint
E). nonbroadcast and broadcast multiaccess
Answer: E
Question: 46
Which statement accurately describes a benefit provided by VTP?
A). VTP allows routing between VLANs.
B). VTP allows a single port to carry information to more than one VLAN.
C). VTP allows physically redundant links while preventing switching loops.
D). VTP allows switches to share VLAN configuration information.
Answer: D
Question: 47
What does the "Inside Global" address represent in the configuration of NAT?
A). the summarized address for all of the internal subnetted addresses
B). the MAC address of the router used by inside hosts to connect to the Internet
C). a globally unique, private IP address assigned to a host on the inside network
D). a registered address that represents an inside host to an outside network
Answer: D
Question: 48
During startup, the router displays the following error message:
boot: cannot open "flash:"
What will the router do next?
A). Because of damaged flash memory, the router will fail the POST.
B). It will attempt to locate the IOS from a TFTP server. If this fails, it will initiate the setup dialog.
C). It will attempt to locate the IOS from a TFTP server. If this fails, it will load a limited IOS from ROM.
D). It will attempt to locate the configuration file from a TFTP server. If this fails, it will initiate the setup dialog.
E). It will attempt to locate the configuration file from a TFTP server. If this fails, it will load a limited configuration from ROM.
Answer: C
Question: 49
You and a co-worker have established wireless communication directly between your wireless laptops. What type of wireless topology has been created?
A). BSS
B). ESS
C). IBSS
D). SSID
Answer: C
Question: 50
What three pieces of information can be used in an extended access list to filter traffic? (Choose three.)
A). protocol
B). VLAN number
C). TCP or UDP port numbers
D). source switch port number
E). source IP address and destination IP address
F). source MAC address and destination MAC address
Answer: A, C, E


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Re: exam CCNA 640-802

« Respuesta #2 en: 17 de Junio de 2008, 11:47:36 »

Y vamos por mas Giñar

...... Una cosa estimadoz kolegas de la comunidad por el moento solo les estoy pazando akeyas preguntas ke no tienen imagenes .... asi es ke no dezezperen.........ok Cool

Question: 51
What is the effect of using the service password-encryption command?
A). Only the enable password will be encrypted.
B). Only the enable secret password will be encrypted.
C). Only passwords configured after the command has been entered will be encrypted.
D). It will encrypt the secret password and remove the enable secret password from the configuration.
E). It will encrypt all current and future passwords.
Answer: E
Question: 52
At which OSI layer is a logical path created between two host systems?
A). session
B). transport
C). network
D). data link
E). physical
Answer: C
Question: 53
What functions do routers perform in a network? (Choose two.)
A). packet switching
B). access layer security
C). path selection
D). VLAN membership assignment
E). bridging between LAN segments
F). microsegmentation of broadcast domains
Answer: A, C
Question: 54
What is the function of the command switchport trunk native vlan 999 on a Cisco Catalyst switch?
A). It creates a VLAN 999 interface.
B). It designates VLAN 999 for untagged traffic.
C). It blocks VLAN 999 traffic from passing on the trunk.
D). It designates VLAN 999 as the default for all unknown tagged traffic.
Answer: B
Question: 55
When a new trunk is configured on a 2950 switch, which VLANs by default are allowed over the trunk link?
A). no VLANs
B). all VLANs
C). only VLANs 1 - 64
D). only the VLANs that are specified when creating the trunk
Answer: B
Question: 56
At which layers of the OSI model do WANs operate? (Choose two.)
A). application layer
B). session layer
C). transport layer
D). network layer
E). datalink layer
F). physical layer
Answer: E, F
Question: 57
A network administrator wants to ensure that only the server can connect to port Fa0/1 on a Catalyst switch. The server is plugged into the switch Fa0/1 port and the network administrator is about to bring the server online. What can the administrator do to ensure that only the MAC address of the server is allowed by switch port Fa0/1? (Choose two.)
A). Configure port Fa0/1 to accept connections only from the static IP address of the server.
B). Employ a proprietary connector type on Fa0/1 that is incompatible with other host connectors.
C). Configure the MAC address of the server as a static entry associated with port Fa0/1.
D). Bind the IP address of the server to its MAC address on the switch to prevent other hosts from spoofing the server IP address.
E). Configure port security on Fa0/1 to reject traffic with a source MAC address other than that of the server.
F). Configure an access list on the switch to deny server traffic from entering any port other than Fa0/1.
Answer: C, E
Question: 58
The OSPF Hello protocol performs which of the following tasks? (Choose two.)
A). It provides dynamic neighbor discovery.
B). It detects unreachable neighbors in 90 second intervals.
C). It maintains neighbor relationships.
D). It negotiates correctness parameters between neighboring interfaces.
E). It uses timers to elect the router with the fastest links as the designated router.
F). It broadcasts hello packets throughout the internetwork to discover all routers that are running OSPF.
Answer: A, C
Question: 59
An inbound access list has been configured on a serial interface to deny packet entry for TCP and UDP ports 21, 23 and 25. What types of packets will be permitted by this ACL? (Choose three.)
A). FTP
B). Telnet
C). SMTP
D). DNS
E). HTTP
F). POP3
Answer: D, E, F
Question: 60
Why does the data communication industry use the layered OSI reference model? (Choose two.)
A). It divides the network communication process into smaller and simpler components, thus aiding component development, design, and troubleshooting.
B). It enables equipment from different vendors to use the same electronic components, thus saving research and development funds.
C). It supports the evolution of multiple competing standards, and thus provides business opportunities for equipment manufacturers.
D). It encourages industry standardization by defining what functions occur at each layer of the model.
E). It provides a means by which changes in functionality in one layer require changes in other layers.
Answer: A, D
Question: 61
The network security policy requires that only one host be permitted to attach dynamically to eachswitch interface. If that policy is violated, the interface should shut down. Which two commands must the network administrator configure on the 2950 Catalyst switch tomeet this policy? (Choose two.)
A). Switch1(config-if)# switchport port-security maximum 1
B). Switch1(config)# mac-address-table secure
C). Switch1(config)# access-list 10 permit ip host
D). Switch1(config-if)# switchport port-security violation shutdown
E). Switch1(config-if)# ip access-group 10
Answer: A, D
Question: 62
Which statements are true about EIGRP successor routes? (Choose two.)
A). A successor route is used by EIGRP to forward traffic to a destination.
B). Successor routes are saved in the topology table to be used if the primary route fails.
C). Successor routes are flagged as "active" in the routing table.
D). A successor route may be backed up by a feasible successor route.
E). Successor routes are stored in the neighbor table following the discovery process.
Answer: A, D
Question: 63
Which of the following is true regarding the use of switches and hubs for network connectivity?
A). Switches take less time to process frames than hubs take.
B). Switches do not forward broadcasts.
C). Hubs can filter frames.
D). Using hubs can increase the amount of bandwidth available to hosts.
E). Switches increase the number of collision domains in the network.
Answer: E
Question: 64
What are two characteristics of Telnet? (Choose two.)
A). It sends data in clear text format.
B). It is no longer supported on Cisco network devices.
C). It is more secure than SSH.
D). It requires an enterprise license in order to be implemented.
E). It requires that the destination device be configured to support Telnet connections.
Answer: A, E
Question: 65
Which of the following are key characteristics of PPP? (Choose three.)
A). can be used over analog circuits
B). maps Layer 2 to Layer 3 address
C). encapsulates several routed protocols
D). supports IP only
E). provides error correction
Answer: A, C, E
Question: 66
What will an Ethernet switch do if it receives a unicast frame with a destination MAC that is listed in the switch table?
A). The switch will not forward unicast frames.
B). The switch will forward the frame to a specific port.
C). The switch will return a copy of the frame out the source port.
D). The switch will remove the destination MAC from the switch table.
E). The switch will forward the frame to all ports except the port on which it was received.
Answer: B
Question: 67
A Cisco router that was providing Frame Relay connectivity at a remote site was replaced with a different vendor's frame relay router. Connectivity is now down between the central and remote site. What is the most likely cause of the problem?
A). mismatched LMI types
B). incorrect DLCI
C). mismatched encapsulation types
D). incorrect IP address mapping
Answer: C
Question: 68
If an ethernet port on a router was assigned an IP address of 172.16.112.1/20, what is the maximum number of hosts allowed on this subnet?
A). 1024
B). 2046
C). 4094
D). 4096
E). 8190
Answer: C
Question: 69
Which tables of EIGRP route information are held in RAM and maintained through the use of hello and update packets? (Choose two.)
A). neighbor table
B). SPF table
C). RTP table
D). topology table
E). query table
F). DUAL table
Answer: A, D
Question: 70
A router learns about a remote network from EIGRP, OSPF, and a static route. Assuming all routing protocols are using their default administrative distance, which route will the router use to forward data to the remote network?
A). The router will use the static route.
B). The router will use the OSPF route.
C). The router will use the EIGRP route.
D). The router will load balance and use all three routes.
Answer: A
Question: 71
What is one reason that WPA encryption is preferred over WEP?
A). A WPA key is longer and requires more special characters than the WEP key.
B). The access point and the client are manually configured with different WPA key values.
C). WPA key values remain the same until the client configuration is changed.
D). The values of WPA keys can change dynamically while the system is used.
Answer: D
Question: 72
When a router is connected to a Frame Relay WAN link using a serial DTE interface, how is the interface clock rate determined?
A). It is supplied by the CSU/DSU.
B). It is supplied by the far end router.
C). It is determined by the clock rate command.
D). It is supplied by the Layer 1 bit stream timing.
Answer: A
Question: 73
When a new trunk link is configured on an IOS based switch, which VLANs are allowed over the link?
A). By default, all defined VLANs are allowed on the trunk.
B). Each single VLAN, or VLAN range, must be specified with the switchport mode command.
C). Each single VLAN, or VLAN range, must be specified with the vtp domain command.
D). Each single VLAN, or VLAN range, must be specified with the vlan database command.
Answer: A
Question: 74
Acknowledgements, sequencing, and flow control are characteristics of which OSI layer?
A). Layer 2
B). Layer 3
C). Layer 4
D). Layer 5
E). Layer 6
F). Layer 7
Answer: C
Question: 75
Which of the following are types of flow control? (Choose three.)
A). buffering
B). cut-through
C). windowing
D). congestion avoidance
E). load balancing
Answer: A, C, D
Question: 76
Which protocol provides a method of sharing VLAN configuration information between switches?
A). VTP
B). STP
C). ISL
D). 802.1Q
E). VLSM
Answer: A
Question: 77
Which two devices can interfere with the operation of a wireless network because they operate on similar frequencies? (Choose two.)
A). copier
B). microwave oven
C). toaster
D). cordless phone
E). IP phone
F). AM radio
Answer: B, D
Question: 78
Which statement is true about full-duplex Ethernet in comparison to half-duplex Ethernet?
A). Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link.
B). Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex Ethernet uses a jam signal.
C). Full-duplex Ethernet can provide higher throughput than can half-duplex Ethernet of the same bandwidth.
D). Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive.
Answer: C
Question: 79
Which are valid modes for a switch port used as a VLAN trunk? (Choose three.)
A). transparent
B). auto
C). on
D). desirable
E). blocking
F). forwarding
Answer: B, C, D
Question: 80
A routing protocol is required that supports:
1) routing update authentication
2) an addressing scheme that conserves IP addresses
3) multiple vendors
4) a network with over 50 routers
Which routing protocol fulfills these requirements?
A). RIPv1
B). RIPv2
C). EIGRP
D). OSPF
Answer: D


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jorgeldd

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Re: exam CCNA 640-802

« Respuesta #3 en: 18 de Junio de 2008, 07:22:08 »

hola....no sera mas practico si lo haces en un archivo pdf o doc? imaginate de aquellos q no tienen internet todavia?...y asi es mas adecuado para imprimirlo...si tienes el documento donde estan estas preguntas publicalo...estaremos muy complacidos....gracias por el aporte igualmente?


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sashariel

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Mexico

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Re: exam CCNA 640-802

« Respuesta #4 en: 19 de Junio de 2008, 12:34:54 »

estimado jorgeldd zabez este test lo poedes comprar en la pag de testking.com pero komo iia lo tengo iio poez les comparto eza info.... y a mi seme fazilito mas pazarles esta primera parte para ke shekaran el contenido y vieran que esta muy bien.... y si les publico ligas o lo subo a alguna pag oviamente la mayoria estan virulientaz y aparte el pdf peza 16megaz..... imaginate akellos ke no tienen boen ansho de banda .... ahy ze pierden jajajajjajaaaaaa..............


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DAC

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Re: exam CCNA 640-802

« Respuesta #5 en: 19 de Junio de 2008, 09:40:17 »

Que version del Testking es esa?? y estaria bien que la postiara en pdf, creo que lo que pesa no es mucho asi que lo esperamos, y claro si es la ultima version...


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sashariel

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Mexico

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Re: exam CCNA 640-802

« Respuesta #6 en: 20 de Junio de 2008, 11:36:08 »

ke ondaz aky de new iio ............... la version ke tengo es la ultima la version 13 del testking------............. de ratiiio la zuvo ................va¿?
no se me desesperen


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anchpwz

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Peru

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Re: exam CCNA 640-802

« Respuesta #7 en: 01 de Julio de 2008, 07:52:33 »

debes ser mas especifico para q version, son esas preguntas de testking


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DAC

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Re: exam CCNA 640-802

« Respuesta #8 en: 03 de Julio de 2008, 12:19:42 »

he dejado en formato pdf la version 17 del Testking en este mismo foro de CCNA


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L0C0C15C0

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Re: exam CCNA 640-802

« Respuesta #9 en: 04 de Septiembre de 2008, 07:59:10 »

TENGO TODOS LOS EXAMENES colgados en esta pagina:
[No tienes permiso para ver los links: Ingrese o Registrese] chequenlo, ademas tengo las curriculas del discovery y del exploration listas para bajar


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