Cisco CCNA 4 version 6 Final Exam

  1. 1. Question
    Which statement best describes a WAN?
    •  A WAN interconnects LANs over long distances.
  2. 2. Question
    Connecting offices at different locations using the Internet can be economical for a business. What are two important business policy issues that should be addressed when using the Internet for this purpose? (Choose two.)
    •  privacy
    •  security
  3. 3. Question
    What is a disadvantage of a packet-switched network compared to a circuit-switched network?
    •  higher latency
  4. 4. Question
    A company is considering updating the campus WAN connection. Which two WAN options are examples of the private WAN architecture? (Choose two.)
    •  leased line
    •  Ethernet WAN
  5. 5. Question
    Which statement describes a characteristic of dense wavelength division multiplexing (DWDM)?​
    •  It can be used in long-range communications, like connections between ISPs.
  6. 6. Question
    Which WAN technology can serve as the underlying network to carry multiple types of network traffic such as IP, ATM, Ethernet, and DSL?
  7. 7. Question
    Which two WAN technologies are more likely to be used by a business than by teleworkers or home users? (Choose two.)
    •  MetroE
  8. 8. Question
    The security policy in a company specifies that the staff in the sales department must use a VPN to connect to the corporate network to access the sales data when they travel to meet customers. What component is needed by the sales staff to establish a remote VPN connection?
    •  VPN client software
  9. 9. Question
    A corporation is searching for an easy and low cost solution to provide teleworkers with a secure connection to headquarters. Which solution should be selected?
    •  remote access VPN over the Internet
  10. 10. Question
    How many DS0 channels are bundled to produce a 1.544 Mbps T1 line?
    •  24
  11. 11. Question
    Refer to the exhibit. Which type of Layer 2 encapsulation used for connection D requires Cisco routers?
    CCNA4 v6.0 Final Exam 001
    CCNA4 v6.0 Final Exam 001
  12. 12. Question
    Which three statements are true about PPP? (Choose three.)
    •  PPP can use synchronous and asynchronous circuits.
    •  PPP uses LCPs to establish, configure, and test the data-link connection.
    •  PPP uses LCPs to agree on format options such as authentication, compression, and error detection.
  13. 13. Question

    A network administrator is configuring a PPP link with the commands:
    R1(config-if)# encapsulation ppp 
    R1(config-if)# ppp quality 70
    What is the effect of these commands?
    •  The PPP link will be closed down if the link quality drops below 70 percent.
  14. 14. Question
    What function is provided by Multilink PPP?
    •  spreading traffic across multiple physical WAN links
  15. 15. Question
    The graphic shows two boxes. The first box has the following output:R1(config)# show running-config 
    <output omitted>
    username r2 password 0 Cisco
    !
    interface Serial0/0/0
     ip address 209.165.200.225 255.255.255.252
     encapsulation ppp
     ppp authentication chapThe second box has this output:R2(config)# show running-config 
    <output omitted>
    username r1 password 0 Cisco
    !
    interface Serial0/0/0
     ip address 209.165.200.226 255.255.255.252
     encapsulation ppp
     ppp authentication chap
    Refer to the exhibit. A network administrator is configuring the PPP link between the routers R1 and R2. However, the link cannot be established. Based on the partial output of the show running-config command, what is the cause of the problem?
    CCNA4 v6.0 Final Exam 012
    CCNA4 v6.0 Final Exam 012
    •  The usernames do not match the host names.
  16. 16. Question
    Refer to the exhibit. A network administrator has configured routers RTA and RTB, but cannot ping from serial interface to serial interface. Which layer of the OSI model is the most likely cause of the problem?
    CCNA4 v6.0 Final Exam 005
    CCNA4 v6.0 Final Exam 005
    •  data link
  17. 17. Question
    What advantage does DSL have compared to cable technology?
    •  DSL is not a shared medium.
  18. 18. Question
    Which broadband technology would be best for a user that needs remote access when traveling in mountains and at sea?
    •  satellite
  19. 19. Question
    Which technology requires the use of PPPoE to provide PPP connections to customers?
  20. 20. Question
    Refer to the exhibit. What is the network administrator verifying when issuing the show ip interface brief command on R1 in respect to the PPPoE connection to R2?
    CCNA4 v6.0 Final Exam 006
    CCNA4 v6.0 Final Exam 006
    •  that the Dialer1 interface has been assigned an IP address by the ISP router
  21. 21. Question
    Which technology creates a mapping of public IP addresses for remote tunnel spokes in a DMVPN configuration?
  22. 22. Question
    What is the purpose of the generic routing encapsulation tunneling protocol?
    •  to manage the transportation of IP multicast and multiprotocol traffic between remote sites
  23. 23. Question
    Refer to the exhibit. What is used to exchange routing information between routers within each AS?
    CCNA4 v6.0 Final Exam 007
    CCNA4 v6.0 Final Exam 007
    •  IGP routing protocols
  24. 24. Question
    Refer to the exhibit. All routers are successfully running the BGP routing protocol. How many routers must use EBGP in order to share routing information across the autonomous systems?
    CCNA4 v6.0 Final Exam 008
    CCNA4 v6.0 Final Exam 008
    •  4
  25. 25. Question
    Which IPv4 address range covers all IP addresses that match the ACL filter specified by 172.16.2.0 with wildcard mask 0.0.1.255?
    •  172.16.2.0 to 172.16.3.255
  26. 26. Question
    Refer to the exhibit. A named access list called chemistry_block has been written to prevent users on the Chemistry Network and public Internet from access to Records Server. All other users within the school should have access to this server. The list contains the following statements:
    deny 172.16.102.0 0.0.0.255 172.16.104.252 0.0.0.0
    permit 172.16.0.0 0.0.255.255 172.16.104.252 0.0.0.0
    Which command sequence will place this list to meet these requirements?
    CCNA4 v6.0 Final Exam 002
    CCNA4 v6.0 Final Exam 002
    •  Athena(config)# interface fa0/0
      Athena(config-if)# ip access-group chemistry_block out
  27. 27. Question
    What guideline is generally followed about the placement of extended access control lists?
    •  They should be placed as close as possible to the source of the traffic to be denied.
  28. 28. Question
    In the creation of an IPv6 ACL, what is the purpose of the implicit final command entries, permit icmp any any nd-na and permit icmp any any nd-ns?
    •  to allow IPv6 to MAC address resolution
  29. 29. Question
    A network administrator is testing IPv6 connectivity to a web server. The network administrator does not want any other host to connect to the web server except for the one test computer. Which type of IPv6 ACL could be used for this situation?
    •  only a named ACL
  30. 30. Question
    Refer to the exhibit. The IPv6 access list LIMITED_ACCESS is applied on the S0/0/0 interface of R1 in the inbound direction. Which IPv6 packets from the ISP will be dropped by the ACL on R1?
    CCNA4 v6.0 Final Exam 013
    CCNA4 v6.0 Final Exam 013
    •  ICMPv6 packets that are destined to PC1
  31. 31. Question
    What is a secure configuration option for remote access to a network device?
    •  Configure SSH.
  32. 32. Question
    What protocol should be disabled to help mitigate VLAN attacks?
  33. 33. Question
    Which term describes the role of a Cisco switch in the 802.1X port-based access control?
  34. 34. Question
    What two protocols are supported on Cisco devices for AAA communications? (Choose two.)
    •  TACACS+
  35. 35. Question
    In configuring SNMPv3, what is the purpose of creating an ACL?
    •  to specify the source addresses allowed to access the SNMP agent
  36. 36. Question
    Refer to the exhibit. What feature does an SNMP manager need in order to be able to set a parameter on switch ACSw1?
    CCNA4 v6.0 Final Exam 003
    CCNA4 v6.0 Final Exam 003
    •  a manager who is using host 192.168.0.5
  37. 37. Question
    Which Cisco feature sends copies of frames entering one port to a different port on the same switch in order to perform traffic analysis?
    •  SPAN
  38. 38. Question
    What are two characteristics of video traffic? (Choose two.)
    •  Video traffic is unpredictable and inconsistent.
    •  Video traffic latency should not exceed 400 ms.
  39. 39. Question
    Which QoS mechanism allows delay-sensitive data, such as voice, to be sent first before packets in other queues are sent?
    •  LLQ
  40. 40. Question
    Refer to the exhibit. As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?
    •  traffic shaping
  41. 41. Question
    Which type of QoS marking is applied to Ethernet frames?
  42. 42. Question
    What is the function of a QoS trust boundary?
    •  A trust boundary identifies which devices trust the marking on packets that enter a network.
  43. 43. Question
    A vibration sensor on an automated production line detects an unusual condition. The sensor communicates with a controller that automatically shuts down the line and activates an alarm. What type of communication does this scenario represent?
    CCNA4 v6.0 Final Exam 010
    CCNA4 v6.0 Final Exam 010
    •  machine-to-machine
  44. 44. Question
    Which pillar of the Cisco IoT System allows data to be analyzed and managed at the location where it is generated?
    •  fog computing
  45. 45. Question
    Which Cloud computing service would be best for a new organization that cannot afford physical servers and networking equipment and must purchase network services on-demand?
  46. 46. Question
    A data center has recently updated a physical server to host multiple operating systems on a single CPU. The data center can now provide each customer with a separate web server without having to allocate an actual discrete server for each customer. What is the networking trend that is being implemented by the data center in this situation?
  47. 47. Question
    What is used to pre-populate the adjacency table on Cisco devices that use CEF to process packets? ​
    •  the ARP table
  48. 48. Question
    Which component of the ACI architecture translates application policies into network programming?
    •  the Application Policy Infrastructure Controller
  49. 49. Question
    Which two pieces of information should be included in a logical topology diagram of a network? (Choose two.)
    •  connection type
    •  interface identifier
  50. 50. Question
    Which network performance statistics should be measured in order to verify SLA compliance?
    •  latency, jitter, and packet loss
  51. 51. Question
    Which feature sends simulated data across the network and measures performance between multiple network locations?
    •  IP SLA
  52. 52. Question
    Which troubleshooting tool would a network administrator use to check the Layer 2 header of frames that are leaving a particular host?
    •  protocol analyzer
  53. 53. Question
    Refer to the exhibit. A network administrator is troubleshooting the OSPF network. The 10.10.0.0/16 network is not showing up in the routing table of Router1. What is the probable cause of this problem?
    CCNA4 v6.0 Final Exam 011
    CCNA4 v6.0 Final Exam 011
    •  There is an incorrect wildcard mask statement for network 10.10.0.0/16 on Router2.
  54. 54. Question
    Refer to the exhibit. A user turns on a PC after it is serviced and calls the help desk to report that the PC seems unable to reach the Internet. The technician asks the user to issue the arp –a and ipconfig commands. Based on the output, what are two possible causes of the problem? (Choose two.)
    CCNA4 v6.0 Final Exam 009
    CCNA4 v6.0 Final Exam 009
    •  The IP configuration is incorrect.
    •  The default gateway device cannot be contacted.
  55. 55. Question
    Match OoS techniques with the description. (Not all options are used.)
    CCNA4 v6.0 Final Exam Form A 01
    CCNA4 v6.0 Final Exam Form A 01 

CCNA4 v6.0 Final Exam Form B Full 100% 2017

  1. 1. Question
    Which circumstance would result in an enterprise deciding to implement a corporate WAN?
    •  when its employees become distributed across many branch locations
  2. 2. Question
    What are two types of WAN providers? (Choose two.)
    •  satellite service
    •  telephone company
  3. 3. Question
    Which two types of devices are specific to WAN environments and are not found on a LAN? (Choose two.)
    •  broadband modem
    •  CSU/DSU​
  4. 4. Question
    What is a feature of dense wavelength-division multiplexing (DWDM) technology?
    •  It enables bidirectional communications over one strand of fiber.
  5. 5. Question
    What is a disadvantage of ATM compared to Frame Relay?
    •  less efficient
  6. 6. Question
    Which WAN solution uses labels to identify the path in sending packets through a provider network?
  7. 7. Question
    An intercity bus company wants to offer constant Internet connectivity to the users traveling on the buses. Which two types of WAN infrastructure would meet the requirements? (Choose two.)
    •  public infrastructure
    •  cellular
  8. 8. Question
    What device is needed at a central office to aggregate many digital subscriber lines from customers?
  9. 9. Question
    A corporation is searching for an easy and low cost solution to provide teleworkers with a secure connection to headquarters. Which solution should be selected?
    •  remote access VPN over the Internet
  10. 10. Question
    What is the maximum number of DS0 channels in a 1.544 Mbps T1 line?
    •  24
  11. 11. Question
    Refer to the exhibit. What type of Layer 2 encapsulation will be used for RtrA connection D if it is left to the default and the router is a Cisco router?
    CCNA4 v6.0 Final Exam Form B 001
    CCNA4 v6.0 Final Exam Form B 001
    •  HDLC
  12. 12. Question
    Which two functions are provided by the NCP during a PPP connection? (Choose two.)
    •  bringing the network layer protocol or protocols up and down
    •  negotiating options for the IP protocol
  13. 13. Question
    What PPP information will be displayed if a network engineer issues the show ppp multilink command on Cisco router?
    •  the serial interfaces participating in the multilink
  14. 14. Question
    Refer to the exhibit. Which statement describes the status of the PPP connection?
    CCNA4 v6.0 Final Exam Form B 004
    CCNA4 v6.0 Final Exam Form B 004
    •  Both the link-establishment and network-layer phase completed successfully.
  15. 15. Question
    A network administrator is configuring a PPP link with the commands:
    R1(config-if)# encapsulation ppp 
    R1(config-if)# ppp quality 70
    What is the effect of these commands?
    •  The PPP link will be closed down if the link quality drops below 70 percent.
  16. 16. Question
    How does virtualization help with disaster recovery within a data center?
    •  Power is always provided.
    •  Hardware does not have to be identical.
  17. 17. Question
    Which broadband solution is appropriate for a home user who needs a wired connection not limited by distance?
  18. 18. Question
    What is the protocol that provides ISPs the ability to send PPP frames over DSL networks?
    •  PPPoE
  19. 19. Question
    In software defined network architecture, what function is removed from network devices and performed by an SDN controller?
    •  control plane
  20. 20. Question
    What would a network administrator expect the routing table of stub router R1 to look like if connectivity to the ISP was established via a PPPoE configuration?
    CCNA4 v6.0 Final Exam Form B 005
    CCNA4 v6.0 Final Exam Form B 005
    •  S* 0.0.0.0/0 is directly connected, Dialer1
      ​ 192.168.1.0/32 is subnetted, 2 subnetted
      C 192.168.1.1 is directly connected, Dialer1​
      C 192.168.1.2 is directly connected, Dialer1
  21. 21. Question
    What is a benefit of implementing a Dynamic Multipoint VPN network design?
    •  A DMVPN will support remote peers by providing a mapping database of public IP addresses to each one.
  22. 22. Question
    Which remote access implementation scenario will support the use of generic routing encapsulation tunneling?
    •  a central site that connects to a SOHO site without encryption
  23. 23. Question
    Refer to the exhibit. All routers are successfully running the BGP routing protocol. How many routers must use EBGP in order to share routing information across the autonomous systems?
    CCNA4 v6.0 Final Exam Form B 006
    CCNA4 v6.0 Final Exam Form B 006
    •  4
  24. 24. Question
    Which statement describes a characteristic of standard IPv4 ACLs?
    •  They filter traffic based on source IP addresses only.
  25. 25. Question
    Which three values or sets of values are included when creating an extended access control list entry? (Choose three.)
    •  access list number between 100 and 199
    •  destination address and wildcard mask
    •  source address and wildcard mask
  26. 26. Question
    Refer to the exhibit. A router has an existing ACL that permits all traffic from the 172.16.0.0 network. The administrator attempts to add a new ACE to the ACL that denies packets from host 172.16.0.1 and receives the error message that is shown in the exhibit. What action can the administrator take to block packets from host 172.16.0.1 while still permitting all other traffic from the 172.16.0.0 network?
    CCNA4 v6.0 Final Exam Form B 009
    CCNA4 v6.0 Final Exam Form B 009
    •  Manually add the new deny ACE with a sequence number of 5.
  27. 27. Question
    Which three implicit access control entries are automatically added to the end of an IPv6 ACL? (Choose three.)
    •  deny ipv6 any any
    •  permit icmp any any nd-na
  28. 28. Question
    The computers used by the network administrators for a school are on the 10.7.0.0/27 network. Which two commands are needed at a minimum to apply an ACL that will ensure that only devices that are used by the network administrators will be allowed Telnet access to the routers? (Choose two.)
    •  access-class 5 in
    •  access-list 5 permit 10.7.0.0 0.0.0.31
  29. 29. Question
    A network administrator is adding ACLs to a new IPv6 multirouter environment. Which IPv6 ACE is automatically added implicitly at the end of an ACL so that two adjacent routers can discover each other?
    •  permit icmp any any nd-na
  30. 30. Question
    What would be the primary reason an attacker would launch a MAC address overflow attack?
    •  so that the attacker can see frames that are destined for other hosts
  31. 31. Question
    What are three of the six core components in the Cisco IoT system? (Choose three.)
    •  fog computing
    •  data analytics
    •  cyber and physical security
  32. 32. Question
    What security countermeasure is effective for preventing CAM table overflow attacks?
    •  port security
  33. 33. Question
    What two protocols are supported on Cisco devices for AAA communications? (Choose two.)
    •  TACACS+
  34. 34. Question
    Which SNMP feature provides a solution to the main disadvantage of SNMP polling?
    •  SNMP trap messages
  35. 35. Question
    When SNMPv1 or SNMPv2 is being used, which feature provides secure access to MIB objects?
    •  community strings
  36. 36. Question
    What two features are added in SNMPv3 to address the weaknesses of previous versions of SNMP? (Choose two.)
    •  encryption
    •  authentication
  37. 37. Question
    Refer to the exhibit. What feature does an SNMP manager need in order to be able to set a parameter on switch ACSw1?
    CCNA4 v6.0 Final Exam Form B 002
    CCNA4 v6.0 Final Exam Form B 002
    •  a manager who is using host 192.168.0.5
  38. 38. Question
    Which queuing mechanism supports user-defined traffic classes?
  39. 39. Question
    Which QoS mechanism allows delay-sensitive data, such as voice, to be sent first before packets in other queues are sent?
    •  LLQ
  40. 40. Question
    Refer to the exhibit. As traffic is forwarded out an egress interface with QoS treatment, which congestion avoidance technique is used?
    CCNA4 v6.0 Final Exam Form B 003
    CCNA4 v6.0 Final Exam Form B 003
    •  traffic shaping
  41. 41. Question
    Which field is used to mark Layer 2 Ethernet frames for QoS treatment?
    •  Priority field
  42. 42. Question
    What is the function of a QoS trust boundary?
    •  A trust boundary identifies which devices trust the marking on packets that enter a network.
  43. 43. Question
    Which pillar of the Cisco IoT System allows data to be analyzed and managed at the location where it is generated?
    •  fog computing
  44. 44. Question
    What is an example of cloud computing?
    •  a service that offers on-demand access to shared resources
  45. 45. Question
    Which type of resources are required for a Type 1 hypervisor?
    •  a management console
  46. 46. Question
    A network technician made a configuration change on the core router in order to solve a problem. However, the problem is not solved. Which step should the technician take next?
    •  Restore the previous configuration.
  47. 47. Question
    A user reports that when the corporate web page URL is entered on a web browser, an error message indicates that the page cannot be displayed. The help-desk technician asks the user to enter the IP address of the web server to see if the page can be displayed. Which troubleshooting method is being used by the technician?
    •  divide-and-conquer
  48. 48. Question
    What is a primary function of the Cisco IOS IP Service Level Agreements feature?
    •  to measure network performance and discover a network failure as early as possible
  49. 49. Question
    Which IOS log message level indicates the highest severity level?
    •  level 0
  50. 50. Question
    Which symptom is an example of network issues at the network layer?
    •  Neighbor adjacency is formed with some routers, but not all routers.
  51. 51. Question
    Refer to the exhibit. H1 can only ping H2, H3, and the Fa0/0 interface of router R1. H2 and H3 can ping H4 and H5. Why might H1 not be able to successfully ping H4 and H5?
    CCNA4 v6.0 Final Exam Form B 008
    CCNA4 v6.0 Final Exam Form B 008
    •  Host H1 does not have a default gateway configured.
  52. 52. Question
    Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.)
    CCNA4 v6.0 Final Exam Form B 007
    CCNA4 v6.0 Final Exam Form B 007
    •  There is connectivity between this device and the device at 192.168.100.1.
    •  There are 4 hops between this device and the device at 192.168.100.1.
  53. 53. Question
    Fill in the blanks. Use dotted decimal format.
    The wildcard mask that is associated with 128.165.216.0/23 is 0.0.1.255  .
  54. 54. Question
    Match the characteristic to the appropriate authentication protocol. (Not all options are used.)
    CCNA4 v6.0 Final Exam Form B 01
    CCNA4 v6.0 Final Exam Form B 01
  55. 55. Question
    Match the term to the description. (Not all options are used.)

    CCNA4 v6.0 Final Exam Form B 02
    CCNA4 v6.0 Final Exam Form B 02

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