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adamwahal (adamwahal)
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Date Posted: 03:39:07 01/17/08 Thu
In reply to:
rrt
's message, "Re: to give free ccna questions and answers" on 23:35:25 10/11/07 Thu
>>>please send me ccna voucher and industry 801 exames
>> exam please to this email:
>>adamwahal@yahoo.com
>Posted: Tue Aug 29, 2006 11:27 am Post subject: Re:
>VOUCHER CCNA!!!!
>
>-------------------------------------------------------
>-------------------------
>
>ANSwer of ur Question
>
>Aiman
>aaiman@banglacafe.com
>
>
>================
>1 What is the term for the cabling that connects the
>customer premises equipment to the CO switch?
>
>demarc
>*local loop
>final mile
>DTE
>trunk line
>
>
>2 A network administrator wants to reconfigure a
>router. Which of the following will clear the
>running-configuration in preparation for the
>reconfiguration?
>
>erase running-config and then reload
>erase running-config
>reload
>no running-config and then reload
>*erase startup-config and then reload
>delete running-config
>
>
>3 A ping 192.1.1.20 command is issued on workstation A
>to determine if workstation B can be reached. What
>events will occur if this command is successful?
>(Choose two.)
>
>The router will block the ping request message.
>The router will reply to the echo request with a proxy
>ping response.
>Workstation A will send a UDP ping request message to
>workstation B.
>Workstation B will send a UDP ping reply message to
>workstation A.
>*Workstation A will send an ICMP echo request message
>to workstation B.
>*Workstation B will send an ICMP echo reply message to
>workstation A.
>
>
>4 How is spanning-tree path cost determined by
>default?
>
>total hop count
>*sum of the costs based on bandwidth
>dynamically determined based on load
>individual link cost based on latency
>
>
>5 Which of the following statements describes the
>operation of routing with EIGRP? (Choose three.)
>
>*As new neighbors are discovered, entries are placed
>in a neighbor table.
>If the feasible successor has a higher advertised cost
>than the current successor route, then it becomes the
>primary route.
>*If hello packets are not received within the hold
>time, DUAL must recalculate the topology.
>*The reported distance is the distance to a
>destination as advertised by a neighbor.
>Routes learned through IGRP are identified as internal
>routes.
>EIGRP builds one routing table that contains routes
>for all configured routed protocols.
>
>
>6 What are the two basic functions that a router uses
>to relay packets?
>
>filtering and switching
>path determination and filtering
>*path determination and switching
>traffic analysis and filtering
>
>
>7 A partial configuration of a Catalyst 1900 switch is
>shown in the graphic. Why do the following commands
>fail to delete VLAN1 and VLAN2? (Choose two.)
>
>no vlan 1
>no vlan 2
>
>VLAN 1 is not configured on the switch.
>*VLAN 1 is the default VLAN and cannot be removed.
>The network administrator is using the wrong command.
>*The switch is configured in VTP client mode.
>Ports are still assigned to VLAN 1 and VLAN 2 and the
>VLANs cannot be deleted until those assignments are
>removed.
>
>
>8 How many host addresses may be assigned on each
>subnetwork when using the 130.68.0.0 network address
>with a subnet mask of 255.255.248.0?
>
>30
>256
>*2046
>2048
>4094
>4096
>
>
>9 What is another term for latency?
>
>backoff algorithm
>hold-down timer
>*propagation delay
>redundancy
>
>
>10 What are the two authentication options supported
>by PPP?
>
>PAP and clear text
>*PAP and CHAP
>CHAP and clear text
>PPP does not support authentication
>
>
>11 Which statement best describes the difference
>between exterior routing protocols and interior
>routing protocols?
>
>Exterior routing protocols are used for communications
>within a single autonomous system, and interior
>routing protocols are used for communications between
>autonomous systems.
>Interior routing protocols are used between neighbor
>routers, and exterior routing protocols are used
>between peer routers.
>Interior routing protocols are used by mid size
>companies, and exterior routing protocols are used by
>large organizations.
>*Interior routing protocols are used for
>communications within a single autonomous system, and
>exterior routing protocols are used for communications
>between autonomous systems.
>
>
>12 Which of the following is a non-ISDN compatible
>device that requires a terminal adapter to connect to
>an ISDN network?
>
>NT1
>NT2
>TA1
>TA2
>TE1
>*TE2
>
>
>13 Which device imposes boundaries on broadcast
>traffic?
>
>bridge
>repeater
>*router
>transceiver
>
>
>14
>Refer to exhibit. Given the topology shown in the
>exhibit, what three commands are needed to configure
>EIGRP on the Paris router? (Choose three.)
>
>*Paris(config)# router eigrp 100
>Paris(config)# router eigrp
>Paris(config-router)# network 192.168.6.0
>Paris(config-router)# network 192.168.7.0
>Paris(config-router)# network 192.168.8.0
>Paris(config-router)# network 192.168.9.0
>
>
>15 Which ISDN channel is used for call setup?
>
>B
>*D
>X
>SS-7
>PRI
>BRI
>
>
>16
>Host A in the graphic has received its DHCP
>configuration from R1. Host A is unable to reach the
>Internet. What could cause this problem?
>
>The DNS server is not on the same LAN as Host A.
>The ip helper-address command must be configured on
>the Ethernet interface.
>*Host A did not receive the correct gateway address.
>The DHCP service has not been enabled on interface e0.
>The router IP address has been excluded from the DHCP
>pool.
>The subnet mask in the network command is incorrect.
>
>
>17 Which utility can be used to verify connectivity
>through all seven layers of the OSI model?
>
>netstat
>ping
>*Telnet
>traceroute
>
>
>18 Which OSI model layer is responsible for regulating
>the flow of information from source to destination,
>reliably and accurately?
>
>application
>presentation
>session
>*transport
>network
>
>
>19 Which of the following represents a group of
>routers under a common administration and is required
>when configuring routing protocols such as EIGRP?
>
>control group
>*autonomous system
>corporate system
>Domain Name System
>local-area network
>wide-area network
>
>
>20 How is RIP configured on a router?
>
>RIP is configured globally and then assigned an IP
>address and subnet mask.
>RIP is configured globally and then applied to each
>interface that will participate in the RIP routing
>process.
>RIP is configured individually on each interface that
>will participate in the RIP routing process.
>*RIP is enabled globally and then networks are
>associated with the RIP routing process.
>
>
>21 What are the advantages of OSPF in comparison with
>RIP v2? (Choose two.)
>
>OSPF provides support for Classless Interdomain
>Routing but RIP v2 does not.
>*OSPF may result in faster convergence, due to
>triggered updates.
>OSPF's built-in features make it easy to design,
>implement, and troubleshoot.
>*OSPF routers build a complete view of the network,
>reducing the potential for routing loops.
>OSPF sends periodic link state advertisements to keep
>the link active.
>OSPF routers have lower memory and processor
>requirements.
>
>
>22 Which protocol of the TCP/IP model internet layer
>provides connectionless, best-effort-delivery of
>datagrams?
>
>ARP
>ICMP
>*IP
>RARP
>TCP
>DNS
>
>
>23 Which of the following is an alternative to a
>dedicated WAN link?
>
>X.25
>ISDN
>*T1
>DS3
>
>
>24
>The internetwork in the diagram is assigned a Class B
>network address of 130.68.0.0. The network cannot use
>subnet zero but will use a single network mask for the
>internetwork. What subnet mask should be assigned to
>ensure the maximum number of host addresses are
>available for use on each subnetwork?
>
>255.255.224.0
>255.255.240.0
>255.255.248.0
>255.255.252.0
>255.255.255.224
>255.255.255.240
>
>
>25
>A packet destined for 10.188.12.12 is received by a
>router with the configuration shown in the graphic.
>The routing table displays the following lines:
>
>10.0.0.0/24 is subnetted, 3 subnets
>R 10.5.5.0 [120/1] via 10.20.20.2, 00:00:18, Serial0/0
>C 10.20.20.0 is directly connected, Serial0/0
>C 10.10.10.0 is directly connected, FastEthernet0/0
>
>What will happen?
>
>The packet will be forwarded to the next hop.
>The router will forward the packet out all ports.
>*The packet will be dropped.
>The router will forward the packet out all ports
>except the receiving port.
>
>
>26 How is an access list implemented in a router?
>
>Enter the access list statements globally and apply
>the list globally.
>*Enter the access list statements globally and apply
>the list to a specific interface.
>Enter the access list statements on a specific
>interface and apply the list globally.
>Enter the access list statements on a specific
>interface and apply the list to that same interface.
>
>
>27 What are the primary functions of a Layer 2
>Ethernet switch? (Choose three.)
>
>*filters traffic between LAN segments
>*achieves greater bandwidth per user
>prevents hosts from sending broadcasts
>*increases the number of broadcast domains through
>VLANs
>decreases the number of collision domains through
>VLANs
>
>
>28 Which of the following describes the CIR in a Frame
>Relay network?
>
>*guaranteed data rate that the service provider
>commits to providing
>maximum data burst rate that the switch can handle
>number of simultaneous virtual circuits available from
>a service provider
>number of simultaneous DLCIs that can be established
>across the cloud
>
>
>29 Which statements reflect the process of common LAN
>protocols accessing the media? (Choose three.)
>
>*Ethernet is a non-deterministic protocol that allows
>the first node that accesses the medium to transmit
>its data.
>*Token Ring is a deterministic protocol that allows
>only one node within the ring a turn to transmit data
>before passing control to the next node.
>Token Ring is a non-deterministic protocol that uses a
>first-come, first-serve approach for nodes to seize
>the token and transmit data.
>FDDI networks use a deterministic approach to assure
>that each node has fair access to the medium.
>*Ethernet and Token Ring networks avoid collisions by
>allowing only one node to transmit at a time.
>Ethernet is a deterministic protocol that uses CSMA/CD
>to assure that each node takes turns to access the
>medium.
>
>
>30 What is the purpose of DLCIs in Frame Relay?
>
>They determine the Frame Relay encapsulation type.
>*They identify the logical circuit between a local
>router and a Frame Relay WAN switch.
>They represent the keepalives used to maintain the PVC
>in an active state.
>They represent the physical address of the router
>attached to a Frame Relay network.
>
>
>31 An administrator has an older 1900 switch located
>on the edge of the network. What can the network
>administrator do to ensure that it does not become the
>root bridge of the spanning-tree network?
>
>decrease the BPDU hello timer update on the 1900
>assign the highest IP address to the switch that
>should be the root
>assign the lowest IP address to new root bridge
>*assign the lowest priority to the switch that should
>be the root
>assign the highest priority to the new root bridge
>decrease the BID on the 1900 switch
>
>
>32 What command is used to verify that a Frame Relay
>link is up and operational?
>
>Router# show line
>Router# show version
>*Router# show interface
>Router# show frame-relay
>Router# show frame-relay status
>
>
>33 Which of the following are true regarding bridges
>and switches? (Choose two.)
>
>Bridges are faster than switches because they have
>fewer ports.
>*A switch is a multiport bridge.
>*Bridges and switches learn MAC addresses by examining
>the source MAC address of each frame received.
>A bridge will forward a broadcast but a switch will
>not.
>Bridges and switches increase the size of a collision
>domain.
>
>
>34 Which of the following does CHAP authentication use
>to increase security on a PPP link? (Choose three.)
>
>periodic verification of identity while the link is
>established
>*secure recording of playback attacks
>transmission of the CHAP password in plain text
>*the use of a unique and random challenge value
>the use of a two-way handshake of CHAP exchanges
>*identity verification at the startup of a link
>
>
>35 When a user generates information to be sent on a
>network, in what order does data encapsulation occur?
>
>data, frame, segment, packet, bits
>data, packet, frame, segment, bits
>data, packet, segment, frame, bits
>*data, segment, packet, frame, bits
>
>
>36 Which of the following are characteristics of
>RIPv2? (Choose two.)
>
>requires classful addressing for configured interfaces
>*forwards routing updates using multicasts
>forwards routing updates using broadcasts
>operates as a hybrid routing protocol
>*supports variable-length subnet masking
>
>
>37 Which command will verify that a router is
>configured with RIPv2 and that the hold-down timer and
>administrative distance are set to the default values?
>
>show ip route
>show interface brief
>*show ip protocols
>show interface
>
>
>38
>The network in the graphic is using EIGRP with the
>metrics shown. Router A has a route to network
>210.67.130.0 through Router C, with a feasible
>distance of three. What will happen if the direct link
>between A and C becomes unavailable? (Choose two.)
>
>DUAL will immediately promote the feasible successor
>route through Router B to successor route status.
>The route to Network C on Router A will be placed in
>Active status.
>The route to Network C on Router A will be placed in
>Passive status.
>Router A will send query packets to all neighbor
>routers.
>Router A will mark the link as down until regularly
>scheduled update packets are received.
>
>
>39 What operations can be executed from the Router>
>prompt? (Choose two.)
>
>*enter privileged mode with the enable command
>modify passwords
>modify the router name with the hostname command
>*view basic router status
>view passwords
>view the running-configuration with the show
>running-config command
>
>
>40 What is the reference point for a connection
>between a TA and a non-ISDN-compatible device?
>
>*R
>S
>T
>U
>
>
>41 Which item is a commonly used metric?
>
>ARP
>*Hop Count
>Acknowledgment Number
>Time
>
>
>42 Which ISDN channels are used for voice, video, and
>data?
>
>A channels
>*B channels
>E channels
>D channels
>Q channels
>E channels
>
>
>43 A static route needs to be configured to network
>192.17.10.0/24. This route should have an
>administrative distance of 180. Which command will
>configure this route if the IP address of the next hop
>interface is 10.15.0.1?
>
>Router(config)# ip route 192.17.10.1 255.255.255.0
>10.15.0.0 180
>*Router(config)# ip route 192.17.10.0 255.255.255.0
>10.15.0.1 180
>Router(config)# ip route 10.15.0.1 192.17.10.0
>255.255.255.0 180
>Router (config)# ip static-route 192.17.10.0
>255.255.255.255 10.15.0.1 180
>Router (config)# ip default-route 192.17.10.0
>255.255.255.255 10.15.0.1 180
>
>
>44 Which statements are true regarding OSPF DR and BDR
>elections? (Choose three.)
>
>*The command ip ospf prioritypriority number is used
>to set the priority value that determines the DR.
>The default priority value for a router connected to a
>multiaccess network is 0.
>The router with the highest MAC address is elected as
>the DR when the default priority values are used.
>The loopback interface must be configured on the DR.
>*The BDR is selected from remaining routers and uses
>the same criteria applied in the DR election.
>*There are no DRs or BDRs on point-to-point links.
>
>
>45 Which packet-switched WAN technologies are
>characterized by the use of Permanent Virtual Circuits
>(PVCs)?
>
>Frame Relay and ISDN
>*Frame Relay and X.25
>ISDN and X.25
>ISDN only
>
>
>46 Which statement describes the store and forward
>transmission mode of an Ethernet switch?
>
>It is also referred to as a hybrid mode or as error
>sensing mode.
>It requires the switch to read the first 64 bytes of
>an Ethernet frame and then begins to forward the data.
>It decreases the latency of the transmission but has
>very little error detection.
>*It increases latency with large frames, but error
>detection is high.
>
>
>47 Which configuration parameters can a host receive
>from a DHCP server? (Choose three.)
>
>MAC address
>outside global address
>*DNS server address
>DHCP helper address
>*default gateway address
>*IP address/subnet mask
>
>
>48 Which layer of the OSI model can provide
>connection-oriented and reliable data transfer between
>two hosts?
>
>application
>presentation
>session
>*transport
>
>
>49 Which utility shows the route a packet takes to
>reach its destination?
>
>netstat
>ping
>Telnet
>*traceroute
>
>
>50 Which command displays the active configuration of
>a router?
>
>Router# show flash
>Router# show configuration
>*Router# show running-config
>Router# show startup-config
>
>
>51 In an IPv4 environment, what information is used by
>the router to forward data packets from one interface
>of a router to another?
>
>*destination network address
>source network address
>source MAC address
>well known port destination address
>
>
>52
>In an effort to minimize traffic, an administrator
>decided to keep web traffic from causing the ISDN link
>to come up by denying WWW traffic to the 192.168.20.5
>remote server. Two minutes after making changes to the
>configuration as shown in the graphic, the
>administrator notices that web traffic is still
>passing over the link. What is the most likely cause
>of the problem?
>
>The dialer-group has not been applied to outbound
>traffic.
>The access-list is incorrectly configured.
>Broadcasts are creating "interesting" traffic and
>keeping the link active.
>The command ip access-group 128 out is missing from
>the bri0/0 interface.
>
>
>53 Which layer of the OSI model establishes, manages,
>and terminates sessions between applications?
>
>Layer 7
>Layer 6
>*Layer 5
>Layer 4
>Layer 3
>Layer 2
>
>
>54 When using distance-vector routing protocols in a
>frame relay environment with multiple DLCIs on a
>single physical router interface, split-horizon issues
>must be resolved. According to Cisco best practices,
>what should be configured to manage these issues?
>
>a single network address
>multiple LMIs
>*subinterfaces
>multiple IP addresses on the same subnet
>
>
>55 Which automatic process is started first whenever
>power is applied to a Cisco router?
>
>empties contents of NVRAM
>looks for the configuration file
>*performs a POST
>starts the operating system
>
>
>56 What is the length of a MAC address?
>
>12 bits
>24 bits
>38 bits
>*48 bits
>
>
>57 Identify the correct pairing of protocols and their
>classifications.
>
>Routed - IP, RIP
>Routed - RIP, OSPF
>Routing - IPX, RIP
>*Routing - OSPF, RIP
>
>
>58 Which protocols or applications allow a network
>administrator to monitor a network? (Choose three.)
>
>FTP
>*SNMP
>*RMON
>*syslog
>DHCP
>SMTP
>
>
>59 Which type of encapsulation is recommended to be
>used to connect two routers from different vendors
>through a dedicated point-to-point connection?
>
>CIR
>FCS
>ANSI
>*PPP
>HDLC
>
>
>60 Which command will display statistics for all
>interfaces configured on a router?
>
>list interfaces
>*show interfaces
>show processes
>show statistics
>
>
>61 What is the correct order of the layers of the OSI
>reference model, starting at the lowest layer and
>working up the model?
>
>data link, physical, transport, network, presentation,
>session, application
>physical, data link, network, session, transport,
>presentation, application
>physical, data link, network, transport, presentation,
>session, application
>*physical, data link, network, transport, session,
>presentation, application
>application, session, presentation, transport, data
>link, network, physical
>
>
>62 What is the purpose of the IOS enable secret
>command?
>
>to set password protection on incoming Telnet sessions
>*to set password protection on the console terminal
>to allow a user access to User mode
>to allow a user to enter a password that will be
>encrypted
>
>
>63 How are VLANs configured?
>
>by moving switches to different router ports
>by changing switchports for each host on the segment
>by physically moving equipment to a different network
>*through software
>through hardware
>automatically with a plug and play module
>
>
>64
>The administrator of the network shown in the graphic
>would like to use VLSM to subnet the company's Class C
>address. Which subnet masks should be used on the LANs
>and serial links to waste the fewest host addresses?
>(Choose three.)
>
>255.255.255.0
>255.255.255.192
>255.255.255.224
>255.255.255.240
>255.255.255.248
>*255.255.255.252
>
>
>65 Which fields are common to the TCP and the UDP
>segments? (Choose two.)
>
>*source address
>sequence number
>acknowledgement number
>options
>checksum
>*destination port
>
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