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test Cisco Final test part1 (Nezařazené)(nezveřejněné)

    Autor: krystofoxik (5vlož. 80vyzk.+2%ø) ... vloženo 10.6.2018
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  1. Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A?
    Refer to the exhibit. If host A sends an IP packet to host B, what will the destination address be in the frame when it leaves host A? (náhled)

  2. What is the function of the shell in an OS?

  3. Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode?
    Refer to the exhibit. A network administrator is configuring access control to switch SW1. If the administrator uses a console connection to connect to the switch, which password is needed to access user EXEC mode? (náhled)

  4. Which frame forwarding method receives the entire frame and performs a CRC check to detect errors before forwarding the frame?

  5. Which statement is true about variable-length subnet masking?

  6. Which type of UTP cable is used to connect a PC to a switch port?

  7. What are two characteristics shared by TCP and UDP? (Choose two.) (vyberte 2)

  8. Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered?
    Refer to the exhibit. What will be the result of entering this configuration the next time a network administrator connects a console cable to the router and no additional commands have been entered? (náhled)

  9. Which example of malicious code would be classified as a Trojan horse?

  10. What is a benefit of using cloud computing in networking?

  11. What are two ways that TCP uses the sequence numbers in a segment? (Choose two.) (vyberte 2)

  12. What protocol is responsible for controlling the size of segments and the rate at which segments are exchanged between a web client and a web server?

  13. A network technician is attempting to configure an interface by entering the following command: SanJose(config)# ip address 192.168.2.1 255.255.255.0. The command is rejected by the device. What is the reason for this?

  14. Which three addresses are valid public addresses? (Choose three.) (vyberte 3)

  15. What purpose does NAT64 serve in IPv6?

  16. Three bank employees are using the corporate network. The first employee uses a web browser to view a company web page in order to read some announcements. The second employee accesses the corporate database to perform some financial transactions. The third employee participates in an important live audio conference with other corporate managers in branch offices. If QoS is implemented on this network, what will be the priorities from highest to lowest of the different data types?

  17. What are two actions performed by a Cisco switch? (Choose two.) (vyberte 2)

  18. An administrator uses the Ctrl-Shift-6 key combination on a switch after issuing the ping command. What is the purpose of using these keystrokes?

  19. Which domain name would be an example of a top-level domain?

  20. What are two benefits of using a layered network model? (Choose two.) (vyberte 2)

  21. What are two characteristics of fiber-optic cable? (Choose two.) (vyberte 2)

  22. What type of IPv6 address is FE80::1?

  23. A wireless host needs to request an IP address. What protocol would be used to process the request?

  24. A technician can ping the IP address of the web server of a remote company but cannot successfully ping the URL address of the same web server. Which software utility can the technician use to diagnose the problem?

  25. Which two OSI model layers have the same functionality as two layers of the TCP/IP model? (Choose two.) (vyberte 2)

  26. What information is added during encapsulation at OSI Layer 3?

  27. Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.) (vyberte 2)
    Refer to the exhibit. On the basis of the output, which two statements about network connectivity are correct? (Choose two.) (náhled)

  28. What is a key characteristic of the peer-to-peer networking model?

  29. A PC obtains its IP address from a DHCP server. If the PC is taken off the network for repair, what happens to the IP address configuration?

  30. What method is used to manage contention-based access on a wireless network?

  31. What are two functions of NVRAM? (Choose two.) (vyberte 2)

  32. Why are port numbers included in the TCP header of a segment?

  33. What are three characteristics of multicast transmission? (Choose three.) (vyberte 3)

  34. Which connection provides a secure CLI session with encryption to a Cisco switch?

  35. How many valid host addresses are available on an IPv4 subnet that is configured with a /26 mask?

  36. What important information is added to the TCP/IP transport layer header to ensure communication and connectivity with a remote network device?

  37. What are two services provided by the OSI network layer? (Choose two.) (vyberte 2)

  38. Which name is assigned to the transport layer PDU?

  39. Which three statements characterize UDP? (Choose three.) (vyberte 3)

  40. What are two examples of the cut-through switching method? (Choose two.) (vyberte 2)

  41. What is the dotted decimal representation of the IPv4 address 11001011.00000000.01110001.11010011?

  42. What are the three ranges of IP addresses that are reserved for internal private use? (Choose three.) (vyberte 3)

  43. What are the three primary functions provided by Layer 2 data encapsulation? (Choose three.) (vyberte 3)

  44. A network administrator is troubleshooting connectivity issues on a server. Using a tester, the administrator notices that the signals generated by the server NIC are distorted and not usable. In which layer of the OSI model is the error categorized?

  45. Which two tasks are functions of the presentation layer? (Choose two.) (vyberte 2)

  46. Which range of link-local addresses can be assigned to an IPv6-enabled interface?

  47. What is the TCP mechanism used in congestion avoidance?

  48. A network administrator is measuring the transfer of bits across the company backbone for a mission critical financial application. The administrator notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.) (vyberte 3)

  49. Refer to the exhibit. Consider the IP address of 192.168.10.0/24 that has been assigned to a high school building. The largest network in this building has 100 devices. If 192.168.10.0 is the network number for the largest network, what would be the network number for the next largest network, which has 40 devices?
    Refer to the exhibit. Consider the IP address of 192.168.10.0/24 that has been assigned to a high school building. The largest network in this building has 100 devices. If 192.168.10.0 is the network number for the largest network, what would be the network number for the next largest network, which has 40 devices? (náhled)

  50. Why does a Layer 3 device perform the ANDing process on a destination IP address and subnet mask?

  51. Which subnet would include the address 192.168.1.96 as a usable host address?

  52. On which switch interface would an administrator configure an IP address so that the switch can be managed remotely?

  53. Which scenario describes a function provided by the transport layer?

  54. A network team is comparing physical WAN topologies for connecting remote sites to a headquarters building. Which topology provides high availability and connects some, but not all, remote sites?

  55. What is an advantage to using a protocol that is defined by an open standard?

  56. How many hosts are addressable on a network that has a mask of 255.255.255.248?

  57. What will a host on an Ethernet network do if it receives a frame with a destination MAC address that does not match its own MAC address?

  58. A network administrator wants to have the same subnet mask for three subnetworks at a small site. The site has the following networks and numbers of devices: Subnetwork A: IP phones – 10 addresses Subnetwork B: PCs – 8 addresses Subnetwork C: Printers – 2 addresses What single subnet mask would be appropriate to use for the three subnetworks?

  59. What addresses are mapped by ARP?

  60. What subnet mask is needed if an IPv4 network has 40 devices that need IP addresses and address space is not to be wasted?

  61. What is a characteristic of the LLC sublayer?

  62. What is a characteristic of a fault tolerant network?

  63. A user opens three browsers on the same PC to access www.cisco.com to search for certification course information. The Cisco web server sends a datagram as a reply to the request from one of the web browsers. Which information is used by the TCP/IP protocol stack in the PC to identify which of the three web browsers should receive the reply?

  64. A site administrator has been told that a particular network at the site must accommodate 126 hosts. Which subnet mask would be used that contains the required number of host bits?

  65. What is a characteristic of UTP cabling?

  66. What is the most compressed representation of the IPv6 address 2001:0000:0000:abcd:0000:0000:0000:0001?

  67. In what two situations would UDP be the preferred transport protocol over TCP? (Choose two.) (vyberte 2)

  68. A network engineer is measuring the transfer of bits across the company backbone for a mission critical database application. The engineer notices that the network throughput appears lower than the bandwidth expected. Which three factors could influence the differences in throughput? (Choose three.) (vyberte 3)

  69. Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured?
    Refer to the exhibit. The network administrator for a small advertising company has chosen to use the 192.168.5.96/27 network for internal LAN addressing. As shown in the exhibit, a static IP address is assigned to the company web server. However, the web server cannot access the Internet. The administrator verifies that local workstations with IP addresses that are assigned by a DHCP server can access the Internet, and the web server is able to ping local workstations. Which component is incorrectly configured? (náhled)

  70. When planning for network growth, where in the network should packet captures take place to assess network traffic?

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