ccna 4 final 2012ccna 4 final 2012ccna 4 final exam (95%)EWAN Final Exam – CCNA Exploration: Accessing the WAN (Version 4.0)1Refer to the exhibit. Communication between two peers has failed. Based on the output thatis shown, what is the most likely cause?ccna 4 final 2012ccna 4 final 2012interface resetunplugged cableimproper LMI typePPP negotiation failure2Refer to the exhibit. A network administrator is tasked with completing the Frame Relaytopology that interconnects two remote sites. How should the point-to-point subinterfaces beconfigured on HQ to complete the topology?ccna 4 final 2012ccna 4 final 2012frame-relay interface-dlci 103 on Serial 0/0/0.1frame-relay interface-dlci 203 on Serial 0/0/0.2frame-relay interface-dlci 301 on Serial 0/0/0.1frame-relay interface-dlci 302 on Serial 0/0/0.2frame-relay map ip 192.168.1.1 103 broadcast on Serial 0/0/0.1frame-relay map ip 192.168.2.2 203 broadcast on Serial 0/0/0.2
frame-relay map ip 192.168.1.1 301 broadcast on Serial 0/0/0.1frame-relay map ip 192.168.2.2 302 broadcast on Serial 0/0/0.23Which data link layer encapsulation protocol is used by default for serial connectionsbetween two Cisco routers?ATMFrame RelayHDLCPPPSDLC4Refer to the exhibit. Company ABC expanded its business and recently opened a newbranch office in another country. IPv6 addresses have been used for the company network.The data servers Server1 and Server2 run applications which require end-to-endfunctionality, with unmodified packets that are forwarded from the source to the destination.The edge routers R1 and R2 support dual stack configuration. What solution should bedeployed at the edge of the company network in order to successfully interconnect bothoffices?ccna 4 final 2012a new WAN service supporting only IPv6NAT overload to map inside IPv6 addresses to outside IPv4 addressa manually configured IPv6 tunnel between the edge routers R1 and R2static NAT to map inside IPv6 addresses of the servers to an outside IPv4 address anddynamic NAT for the rest of the inside IPv6 addresses5Which variable is permitted or denied by a standard access control list?protocol type
source IP addresssource MAC addressdestination IP addressdestination MAC address6Refer to the exhibit. The link between the CTRL and BR_1 routers is configured as shown inthe exhibit. Why are the routers unable to establish a PPP session?ccna 4 final 2012The clock rate must be 56000.The usernames are misconfigured.The IP addresses are on different subnets.The clock rate is configured on the wrong end of the link.The CHAP passwords must be different on the two routers.Interface serial 0/0/0 on CTRL must connect to interface serial 0/0/1 on BR_1.7Which three statements accurately describe a security policy? (Choose three.)It creates a basis for legal action if necessary.It defines a process for managing security violations.It defines acceptable and unacceptable use of network resources.The remote access policy is a component of the security policy that governs acceptable useof e-mail systems.It is kept private from users to prevent the possibility of circumventing security measures.It provides step-by-step procedures to harden routers and other network devices.
8A network administrator has changed the VLAN configurations on his network switches overthe past weekend. How can the administrator determine if the additions and changesimproved performance and availability on the company intranet?Conduct a performance test and compare with the baseline that was established previously.Interview departmental secretaries and determine if they think load time for web pages hasimproved.Determine performance on the intranet by monitoring load times of company web pages fromremote sites.Compare the hit counts on the company web server for the current week to the values thatwere recorded in previous weeks.9Refer to the exhibit. Headquarters is connected through the Internet to branch office A andbranch office B. Which WAN technology would be best suited to provide secure connectivitybetween headquarters and both branch offices?ccna 4 final 2012ccna 4 final 2012ATMVPNISDNFrame Relaybroadband DSL10Which statement about a VPN is true?VPN link establishment and maintenance is provided by LCP.DLCI addresses are used to identify each end of the VPN tunnel.
VPNs use virtual Layer 3 connections that are routed through the Internet.Only IP packets can be encapsulated by a VPN for tunneling through the Internet.11A company is deciding which WAN connection type it should implement between its mainoffice and branch offices. The company wants to use a cost-effective service that providesvirtual circuits between each office. The company also wants to be able to transmit variable-length packets on these circuits. Which solution best meets these requirements?ATMHDLCISDNFrame Relay12A technician is talking to a colleague at a rival company and comparing DSL transfer ratesbetween the two companies. Both companies are in the same city, use the same serviceprovider, and have the same rate/service plan. What is the explanation for why company 1reports higher download speeds than company 2 reports?Company 1 only uses microfilters at branch locations.Company 1 has a lower volume of POTS traffic than company 2 has.Company 2 is located farther from the service provider than company 1 is.Company 2 shares the connection to the DSLAM with more clients than company 1 shareswith.13Refer to the exhibit. What is placed in the address field in the header of a frame that willtravel from the DC router to the Orlando router?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final13.jpgDLCI 123DLCI 321
10.10.10.2510.10.10.26MAC address of the Orlando router14Refer to the exhibit. This router is being configured to use SDM, but the SDM interface of therouter cannot be accessed. What is the cause of the problem?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final14.jpgThe VTY lines are not configured correctly.The HTTP timeout policy is not configured correctly.The authentication method is not configured correctly.The username and password are not configured correctly.15Which two devices can be used by teleworkers who need to connect to the company networkacross the PSTN for a few hours a day? (Choose two.)routerCSU/DSUDSL modemcable modemaccess serverdialup modem16An administrator is configuring a dual stack router with IPv6 and IPv4 using RIPng. Theadministrator receives an error message when trying to enter the IPv4 routes into RIPng.What is the cause of the problem?
When IPv4 and IPv6 are configured on the same interface, all IPv4 addresses are over-written in favor of the newer technology.Incorrect IPv4 addresses are entered on the router interfaces.RIPng is incompatible with dual-stack technology.IPv4 is incompatible with RIPng.17What is the function of an intrusion detection system on a network?to restrict access to only authorized usersto detect attacks against a network and send logs to a management consoleto prevents attack against the network and provide active defense mechanismsto detect and prevent most viruses and many Trojan horse applications from spreading in thenetwork18Refer to the exhibit. All devices are configured as shown in the exhibit. PC1 is unable to pingthe default gateway. What is the cause of the problem?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final18.jpgThe default gateway is in the wrong subnet.STP has blocked the port that PC1 is connected to.Port Fa0/2 on S2 is assigned to the wrong VLAN.S2 has the wrong IP address assigned to the VLAN30 interface.19When Frame Relay encapsulation is used, what feature provides flow control and exchangesinformation about the status of virtual circuits?LCPLMI
DLCIInverse ARP20A system administrator must provide Internet connectivity for ten hosts in a small remoteoffice. The ISP has assigned two public IP addresses to this remote office. How can thesystem administrator configure the router to provide Internet access to all ten users at thesame time?Configure DHCP and static NAT.Configure dynamic NAT for ten users.Configure static NAT for all ten users.Configure dynamic NAT with overload.21A company is looking for a WAN solution to connect its headquarters site to four remotesites. What are two advantages that dedicated leased lines provide compared to a sharedFrame Relay solution? (Choose two.)reduced jitterreduced costsreduced latencythe ability to burst above guaranteed bandwidththe ability to borrow unused bandwidth from the leased lines of other customers22What will be the result of adding the command ip dhcp excluded-address 192.168.24.119126.96.36.199 to the configuration of a local router that has been configured as a DHCPserver?Traffic that is destined for 192.168.24.1 and 192.168.24.5 will be dropped by the router.Traffic will not be routed from clients with addresses between 192.168.24.1 and192.168.24.5.
The DHCP server will not issue the addresses ranging from 192.168.24.1 to 192.168.24.5.The router will ignore all traffic that comes from the DHCP servers with addresses192.168.24.1 and 192.168.24.5.23Refer to the exhibit. A host connected to Fa0/0 is unable to acquire an IP address from theDHCP server. The output of the debug ip dhcp server command shows “DHCPD: there is noaddress pool for 192.168.3.17. What is the problem?The address 192.168.3.17 address is already in use by Fa0/0.The pool of addresses for the 192Network pool is configured incorrectly.The ip helper-address command should be used on the Fa0/0 interface.The 192.168.3.17 address has not been excluded from the 192Network pool.24Refer to the exhibit. From the output of the show interfaces and ping commands, at whichlayer of the OSI model is a fault indicated?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final24.jpgapplicationtransportnetworkdata linkphysical25What three questions can be answered using data gathered from a baseline on a newnetwork? (Choose three.)Are areas of the network experiencing high error rates?
Will the disaster recovery procedures work correctly?What parts of the network have the highest volume?Does the organization require more network technicians?How does the network perform during peak periods?Are there any devices working at top capacity?What networks are the most susceptible to security attacks?26Which type of ACL will permit traffic inbound into a private network only if an outboundsession has already been established between the source and destination?extendedreflexivestandardtime-based27Refer to the exhibit. R1 is performing NAT overload for the 10.1.1.0/24 inside network. HostA has sent a packet to Web Server. What is the destination IP address of the return packetfrom Web Server when received at R1?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final27.jpg10.1.1.2:8010.1.1.2:1234172.30.20.1:1234172.30.20.1:333328An administrator issues the command show interfaces s0/1/0 on a router that is configuredfor Frame Relay. Which console output may indicate an LMI mismatch?
Serial0/1/0 is administratively downSerial0/1/0 is up, line protocol is upSerial0/1/0 is up, line protocol is downSerial0/1/0 is down, line protocol is down29A recently patched application server is experiencing response time problems. The networkon which the application server is located has been experiencing occasional outages that thenetwork team believes may be related to recent routing changes. Network and applicationteams have been notified to work on their respective issues. Which statement applies to thissituation?Only results from the software package should be tested as the network is designed toaccommodate the proposed software platform.Scheduling will be easy if the network and software teams work independently.It will be difficult to isolate the problem if two teams are implementing changes independently.Results from changes will be easier to reconcile and document if each team works inisolation.30Refer to the exhibit. Branch A has a non-Cisco router that is using IETF encapsulation andBranch B has a Cisco router. After the commands that are shown are entered, R1 and R2 failto establish the PVC. The R2 LMI is Cisco, and the R1 LMI is ANSI. The LMI is successfullyestablished at both locations. Why is the PVC failing?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final30.jpgThe PVC to R1 must be point-to-point.LMI types must match on each end of a PVC.The frame relay PVCs cannot be established between Cisco and non-Cisco routers.The IETF parameter is missing from the frame-relay map ip 10.10.10.1 201 command.
31Refer to the exhibit. Which VLAN will carry untagged traffic on FastEthernet 0/1?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final31.jpgVLAN 1VLAN 2VLAN 11VLAN 12VLAN 30VLAN 99932What is an accurate description of CHAP when used with PPP on a serial connectionbetween two routers?A username and password are sent to the peer router, which replies with an accept or rejectmessage.A username and password are sent to the peer router. If these match the configuration in thepeer, the peer in turn provides a username and password to the initiating router.A challenge message is sent to the peer router, which responds with its username and acalculated value based on a shared secret. This value is then compared by the challenger toits own calculations.An encrypted password is sent to the peer router, which decrypts it and compares it to ashared secret. If the decrypted passwords match, the peer sends the encrypted passwordback to the initiating router.33Where does a service provider assume responsibility from a customer for a WANconnection?local loopDTE cable on router
demarcation pointdemilitarized zone34Refer to the exhibit. An ACL called Managers already exists on this router. What happens ifthe network administrator issues the commands as shown in the exhibit?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final34.jpgThe commands are added to the end of the existing ACL.The existing Managers ACL will be overwritten by the new ACL.The router will output an error message and no changes will be made.A duplicate Managers ACL will be created that will contain only the new commands.35Which statement is true about PAP in the authentication of a PPP session?PAP uses a two-way handshake.The password is unique and random.PAP conducts periodic password challenges.PAP uses MD5 hashing to keep the password secure.36Which combination of Layer 2 protocol and authentication should be used to establish a linkwithout sending authentication information in plain text between a Cisco and a non-Ciscorouter?PPP with PAPPPP with CHAPHDLC with PAPHDLC with CHAP
37Which option correctly defines the capacity through the local loop guaranteed to a customerby the service provider?BEDECIRCBIR38Which wireless solution can provide mobile users with non line-of-sight broadband Internetaccess at speeds comparable to DSL or cable?Wi-FiWiMAXsatelliteMetro Ethernet39Refer to the exhibit. EIGRP has been configured as a routing protocol on the network. Userson the 192.168.1.0/24 network should have full access to the web server that is connected to192.168.3.0/24 but should not be allowed to telnet to router R3. Verifying the configuration,the network administrator realizes that users on network 192.168.1.0/24 can successfullytelnet to the router. What should be done to remedy the problem?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final39.jpgThe ACL 101 statements 10 and 20 should be reversed.The ACL 101 should be applied on R3 VTY lines 0 4 in the inbound direction.The ACL 101 should be applied on R3 VTY lines 0 4 in the outbound direction.The ACL 101 should be applied on R3 Serial0/0/1 interface in the outbound direction.
The ACL 101 statement 10 should be changed to: permit ip 192.168.1.0 0.0.0.255 any40What does an access control list determine when used with NAT on a Cisco router?addresses that are to be translatedaddresses that are assigned to a NAT pooladdresses that are allowed out of the routeraddresses that are accessible from the inside network41Which IP address and wildcard mask combination can be used in an ACL statement to matchthe 172.16.0.0/30 network?172.16.0.0 0.0.0.117188.8.131.52 0.0.0.31184.108.40.206 0.0.0.71220.127.116.11 255.255.255.25242Which security solution has the responsibility of monitoring suspicious processes that arerunning on a host and that might indicate infection of Trojan horse applications?antivirus applicationoperating system patchesintrusion prevention systemCisco Adaptive Security Appliance43Refer to the exhibit. A network administrator is trying to connect R1 remotely to makeconfiguration changes. Based on the exhibited command output, what will be the result whenattempting to connect to R1?
http://www.ccna4u.org/wp-content/uploads/2011/12/43.jpgfailure to connect due to Telnet not being enabledfailure to connect due to incomplete configuration for Telneta successful connection and ability to make configuration changesa successful connection but inability to make configuration changes because of the absenceof an enable secret password44Refer to the exhibit. Results of the show vlan and show vtp status commands for switches S1and S2 are displayed in the exhibit. VLAN 11 was created on S1. Why is VLAN 11 missingfrom S2?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final44.jpgThere is a Layer 2 loop.The VTP domain names do not match.Only one switch can be in server mode.S2 has a higher spanning-tree priority for VLAN 11 than S1 does.45A technician has been asked to run the Cisco SDM one-step lockdown on a customer router.What will be the result of this process?Traffic is only accepted from and forwarded to SDM-trusted Cisco routers.Security testing is performed and the results are saved as a text file stored in NVRAM.All traffic that enters the router is quarantined and checked for viruses before beingforwarded.The router is tested for any potential security problems and all recommended security-relatedconfiguration changes will be automatically applied.46
Refer to the exhibit. Which data transmission technology is being represented?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final46.jpgTDMPPPHDLCSLIP47A network administrator is instructing a technician on best practices for applying ACLs.Which two suggestions should the administrator provide? (Choose two.)Named ACLs are less efficient than numbered ACLs.Standard ACLs should be applied inside the core layer.Place standard ACLs as close to the destination as possible.ACLs applied to outbound interfaces require fewer router resources.Extended ACLs should be applied closest to the source that is specified by the ACL.48Refer to the exhibit. Which configuration command would result in the output in the exhibit?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final48.jpgip nat inside source static 10.1.200.254 172.16.76.3ip nat inside source static 10.1.200.254 192.168.0.10ip nat inside source static 172.16.76.3 10.1.200.254ip nat inside source static 172.16.76.3 192.168.0.10ip nat inside source static 192.168.0.10 172.16.76.3ip nat inside source static 192.168.0.10 10.1.200.254
49What are three important reasons to establish a network baseline? (Choose three.)to determine the time it takes for the network to self recover from a failureto determine which areas in the network are underutilized or overutilizedto determine the performance of the network during the normal hours of operationto determine what thresholds should be set for the devices that need to be monitoredto determine the areas in the network which should not be included in the monitoring processto determine the number of users whose access to network resources should be restricted50Which two statements are true about creating and applying access lists? (Choose two.)There is an implicit deny at the end of all access lists.One access list per port, per protocol, per direction is permitted.Access list entries should filter in the order from general to specific.The term “inbound” refers to traffic that enters the network from the router interface where theACL is applied.Standard ACLs should be applied closest to the source while extended ACLs should beapplied closest to the destination.51While troubleshooting a problem with an e-mail server, an administrator observes that theswitch port used by the server shows “up, line protocol up”. The administrator cannot ping theserver. At which layer of the OSI model is the problem most likely to be found?application layernetwork layerdata link layerphysical layer
52Refer to the exhibit. Router RT is not receiving routing updates from router RTA. What iscausing the problem?http://www.ccna4u.org/wp-content/uploads/2011/12/ccna4final52.jpgThe ip rip authentication key-chain command specifies exam rather than test.The name of the keystring is not the name of the neighboring router.The key chains are given the same name on both routers.The passive-interface command was issued for RTA.Domain Knowledge – Weighted ScoreMax Points: 102Earned Points: 97Percentage: 95.1%