CCNA 4 Chapter 1 Hierarchical Network Design Exam Answers 2017 (v5.0.3 + v6.0)

CCNA 4 Chapter 1 Hierarchical Network Design Exam Answers 2017 (v5.0.3 + v6.0)

1.A small company with 10 employees uses a single LAN to share information between computers. Which type of connection to the Internet would be appropriate for this company?

  • private dedicated lines through their local service provider
  • a dialup connection that is supplied by their local telephone service provider
  • Virtual Private Networks that would enable the company to connect easily and securely with employees
  • a broadband service, such as DSL, through their local service provider*

2. Which network scenario will require the use of a WAN?

  • Employees need to connect to the corporate email server through a VPN while traveling.*
  • Employees in the branch office need to share files with the headquarters office that is located in a separate building on the same campus network.
  • Employees need to access web pages that are hosted on the corporate web servers in the DMZ within their building.
  • Employee workstations need to obtain dynamically assigned IP addresses.

3. Which statement describes a characteristic of a WAN?

  • A WAN operates within the same geographic scope of a LAN, but has serial links.
  • A WAN provides end-user network connectivity to the campus backbone.
  • WAN networks are owned by service providers.*
  • All serial links are considered WAN connections.

4. What are two common types of circuit-switched WAN technologies? (Choose two.)

  • ISDN*
  • DSL
  • PSTN*
  • ATM
  • Frame Relay

5. Which two devices are needed when a digital leased line is used to provide a connection between the customer and the service provider? (Choose two.)

  • dialup modem
  • access server
  • DSU*
  • Layer 2 switch
  • CSU*

6. What is a requirement of a connectionless packet-switched network?

  • Full addressing information must be carried in each data packet.*
  • A virtual circuit is created for the duration of the packet delivery.
  • The network predetermines the route for a packet.
  • Each packet has to carry only an identifier.

7. What is an advantage of packet-switched technology over circuit-switched technology?

  • Packet-switched networks do not require an expensive permanent connection to each endpoint.
  • Packet-switched networks can efficiently use multiple routes inside a service provider network.*
  • Packet-switched networks are less susceptible to jitter than circuit-switched networks are.
  • Packet-switched networks usually experience lower latency than circuit-switched networks experience.

8. A new corporation needs a data network that must meet certain requirements. The network must provide a low cost connection to sales people dispersed over a large geographical area. Which two types of WAN infrastructure would meet the requirements? (Choose two.)

  • private infrastructure
  • public infrastructure*
  • satellite
  • Internet*
  • dedicated

9. What is a long distance fiber-optic media technology that supports both SONET and SDH, and assigns incoming optical signals to specific wavelengths of light?

  • DWDM*
  • ISDN
  • MPLS
  • ATM

10. What are two common high-bandwidth fiber-optic media standards? (Choose two.)

  • SONET*
  • SDH*
  • ANSI
  • ATM
  • ITU

11. Which WAN technology is cell-based and well suited to carry voice and video traffic?

  • VSAT
  • Frame Relay
  • ISDN
  • ATM*

12. Which two technologies use the PSTN network to provide an Internet connection? (Choose two.)

  • MPLS
  • ATM
  • dialup*
  • Frame Relay
  • ISDN*

13. A company needs to interconnect several branch offices across a metropolitan area. The network engineer is seeking a solution that provides high-speed converged traffic, including voice, video, and data on the same network infrastructure. The company also wants easy integration to their existing LAN infrastructure in their office locations. Which technology should be recommended?

  • Frame Relay
  • ISDN
  • VSAT
  • Ethernet WAN*

14. Which solution can provide Internet access to remote locations where no regular WAN services are available?

  • WiMAX
  • VSAT*
  • Ethernet
  • municipal Wi-Fi

15. Which WAN technology establishes a dedicated constant point-to-point connection between two sites?

  • ATM
  • Frame Relay
  • ISDN
  • leased lines*

16. A customer needs a metropolitan area WAN connection that provides high-speed, dedicated bandwidth between two sites. Which type of WAN connection would best fulfill this need?

  • MPLS
  • Ethernet WAN*
  • circuit-switched network
  • packet-switched network

17. Which feature is used when connecting to the Internet using DSL?

  • DSLAM*
  • LTE
  • CMTS
  • IEEE 802.16

18. Which connectivity method would be best for a corporate employee who works from home two days a week, but needs secure access to internal corporate databases?

  • WiMAX
  • DSL
  • VPN*
  • cable

19. Which wireless technology provides Internet access through cellular networks?

  • LTE*
  • municipal WiFi
  • satellite
  • WiMAX

20. A home user lives within 10 miles (16 kilometers) of the Internet provider network. Which type of technology provides high-speed broadband service with wireless access for this home user?

  • municipal Wi-Fi
  • DSL
  • WiMAX*
  • 802.11

21. What is the recommended technology to use over a public WAN infrastructure when a branch office is connected to the corporate site?

  • VPN*
  • ATM
  • ISDN
  • municipal Wi-Fi

22. What can cause a reduction in available bandwidth on a cable broadband connection?

  • committed information rate
  • number of subscribers*
  • distance from the central office of the provider
  • smaller cells

23. Which equipment is needed for an ISP to provide Internet connections through cable service?

  • access server
  • CMTS*
  • CSU/DSU
  • DSLAM

24. Which geographic scope requirement would be considered a distributed WAN scope?

  • one-to-many
  • global
  • regional
  • local
  • many-to-many*
  • one-to-one

25. A corporation is looking for a solution to connect multiple, newly established remote branch offices. Which consideration is important when selecting a private WAN connection rather than a public WAN connection?

  • higher data transmission rate
  • lower cost
  • data security and confidentiality during transmission*
  • website and file exchange service support

26. Question as presented:
ccna-4-chapter-1-hierarchical-network-design-exam-answers-26
ccna-4-chapter-1-hierarchical-network-design-exam-answers-26-1

27. Question as presented:

Older Version

28. What are two structured engineering principles necessary for successful implementation of a network design? (Choose two.)
ccna-4-chapter-1-hierarchical-network-design-exam-answers-27
ccna-4-chapter-1-hierarchical-network-design-exam-answers-27-1

  • quality of service
  • resiliency *
  • modularity *
  • security
  • availability

29. What is an important first consideration when starting to design a network?

  • access security
  • type of applications
  • size of the network*
  • protocols to be used

30. Which two devices would commonly be found at the access layer of the hierarchical enterprise LAN design model? (Choose two.)

  • access point*
  • firewall
  • Layer 2 switch*
  • Layer 3 device
  • modular switch

31. In which layer of the hierarchical enterprise LAN design model would PoE for VoIP phones and access points be considered?

  • access*
  • core
  • data link
  • distribution
  • physical

32. Refer to the exhibit. Which type of Cisco hierarchical LAN design model is used at school site 1?
ccna-4-chapter-1-hierarchical-network-design-exam-answers-32

  • 3 layer
  • 7 layer
  • two-tier collapsed core*
  • three-tier

33. In a hierarchical network design, which layers may be combined into a collapsed core for smaller networks?

  • core and access
  • core and distribution*
  • distribution and access
  • core, distribution, and access

34. The network design for a college with users at five sites is being developed. Where in the campus network architecture would servers used by all users be located?

  • access-distribution
  • data center*
  • enterprise edge
  • services

35. What is one advantage to designing networks in building block fashion for large companies?

  • failure isolation*
  • increased network access time
  • mobility
  • redundancy

36. A network engineer wants to redesign the wireless network and make use of wireless network controllers that manage the many deployed wireless access points. In which network design module of the campus network architecture would the centralized wireless network controllers be found?

  • access-distribution
  • data center
  • enterprise edge
  • services*

37. Which network module is the fundamental component of a campus design?

  • access-distribution module*
  • services module
  • data center
  • enterprise edge

38. Which approach in networking allows for network changes, upgrades, or the introduction of new services in a controlled and staged fashion?

  • borderless
  • static
  • modular*
  • network module

39. Refer to the exhibit. Which type of ISP connectivity to the service provider edge is being used by company A?
ccna-4-chapter-1-hierarchical-network-design-exam-answers-39

  • single-homed
  • dual-homed
  • multihomed*
  • dual-multihomed

40. Which three network architectures have been introduced by Cisco to address the emerging technology challenges created by the evolving business models? (Choose three.)

  • Cisco Borderless*
  • Cisco Enterprise Edge
  • Cisco Data Center*
  • Cisco Enterprise Campus
  • Cisco Collaboration*
  • Cisco Enterprise Branch

41. Which layer of the Cisco Collaboration Architecture contains unified communications and conference software such as Cisco WebEx Meetings, WebEx Social, Cisco Jabber, and TelePresence?

  • applications and devices*
  • enterprise WAN
  • services module
  • service provider edge

42. Which Cisco technology allows diverse network devices to connect securely, reliably, and seamlessly to enterprise network resources?

  • building distribution
  • Cisco AnyConnect*
  • enterprise edge
  • service provider edge

43. What is creating a new challenge for IT departments by changing the border of the enterprise network?

  • company-owned desktops
  • access layer switching
  • tablets*
  • energy costs

44. Which network architecture functions through a combination of technologies that include wired, wireless, security, and more?

  • Cisco Enterprise Campus
  • Cisco Enterprise Branch
  • Cisco Borderless*
  • Cisco Enterprise Edge

45. Which network architecture combines individual components to provide a comprehensive solution allowing people to cooperate and contribute to the production of something?

  • Cisco Enterprise Campus Architecture
  • Cisco Enterprise Branch Architecture
  • Cisco Borderless Network Architecture
  • Cisco Collaboration Architecture*

46. Fill in the blank.
Reducing the complexity of network design by dividing a network into smaller areas is an example of a hierarchical network model.

47. Fill in the blank. Use the abbreviation.
Under the Cisco Enterprise Edge module, the submodule that provides remote access including authentication and IPS appliances is the VPN and remote access submodule.

48. Fill in the blank.
Reducing the complexity of network design by dividing a network into smaller
areas is an example of a ” hierarchical ” network model.​

49. Match the layer to the corresponding device. (Not all options are used.)
ccna-4-chapter-1-hierarchical-network-design-exam-answers-49

Place the options in the following order:
– not scored – 

  • core -> high-speed switches
  • access -> Layer 2 switches
  • distribution -> Layer 3 switches

50. Match the submodule to the correct Cisco Enterprise Architecture module. (Not all options are used.)
ccna-4-chapter-1-hierarchical-network-design-exam-answers-50

Place the options in the following order:
Cisco Enterprise Campus
[+] campus core 
[+] building distribution 
[+] data center
Cisco Enterprise Edge
[#] VPN and remote access 
[#] DMZ 
[#] e-commerce

51. What are two of the top trends that affect network architecture design? (Choose two.)

  • Internet security
  • internal security attacks
  • speed of Internet connectivity
  • cloud computing*
  • BYOD*

52. Why would a company want network engineers to adhere to structured engineering principles when designing networks?

  • The resiliency of a network depends on being able to modify portions of the network, add services, or increase network capacity without adding new hardware devices.
  • The network is not expected to remain available under abnormal conditions such as extreme traffic loads or denial-of-service events.
  • The network can be easily designed because of the separation of the various functions that exist on a network into modules.*
  • A hierarchical network model is a useful high-level tool for designing a reliable network infrastructure, although it increases the complexity of network design.

53. Refer to the exhibit. 
ccna-4-chapter-1-hierarchical-network-design-exam-answers-53
Which Cisco Enterprise Architecture module is shown?

 

  • campus infrastructure
  • enterprise campus*
  • enterprise edge
  • remote
  • service provider edge

 

54. What feature is more important at the core layer than at any other hierarchical network design layer?

 

  • easy access of end devices
  • aggregation of network links
  • QoS classification and marking
  • data security
  • packet switching speed*

 

55. Which product corresponds to a layer of the Cisco Collaboration Architecture?

  • Mobility with Cisco Motion
  • Cisco Unified Management Solutions
  • Network and Computer Infrastructure*
  • Unified Fabric Solutions

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