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Nigel Skurrie network+ tert Inglês 99 flashcards

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  1. 1what is the maximum cable length in a 10GBaseLR network?10KM
  2. 2what is the maximum cable length when 50 micron multi-mode, half duplex fibre optic cable is used in a 1000BaseSX network?550m
  3. 3what device or tool can be used to determine the length of cables used on a fiber optic network?Optical Time Domain Reflectometer (OTDR)
  4. 4which backup type contains all the data on a hard drive?a full backup
  5. 5what does the acronym ADSL denote?Asymmetric Digital Subscriber Line
  6. 6what does the acronym DSL denote?Digital Subscriber Line
  7. 7what ports does MGCP use?2427 / 2727
  8. 8can you specify the IP address of a DHCP server when configuring DHCP on a windows client?no
  9. 9which two connectivity devices are designed to increase unstable bandwidth within a network?a bridge and a switch
  10. 10what does the acronym D0S denote?denial of service
  11. 11what condition is indicated by a small amber-coloured LED that stays continuously lit on a hub?excessive network collisions
  12. 12how to VLANs affect the number and size of broadcast domains?VLANs increase the number of broadcast domains while decreasing the size of broadcast domains
  13. 13which port does SMB use?port 445
  14. 14what is the subnet mask of IP network 118/35/0/0/16?255.255.0.0
  15. 15what is the maximum speed of a T1 data connection?1.544 Mbps
  16. 16which security protocol provides encryption and authentication over the internet and is compatible with both IPv4 and IPv6?IP security (IPSec)
  17. 17what is point-to-point protocol over ethernet (PPPoE)?a protocol that encapsulates PPP within ethernet frames
  18. 18which telecom standard is used to send voice, data and video signals digitally over the same line?integrated Services Digital Network (ISDN)
  19. 19what does the acronym MUMIMO denote?Multiuser multiple input multiple output
  20. 20what is the maximum length of a network segment using Gigabit ethernet and 50-micron multimode fiber?550M
  21. 21a fixed payload typically has which benefits or characteristics?1. they are always the same size
    2. they can be more efficient than a variable payload
  22. 22Which statement correctly characterizes the functions of the OSI Model?It is a method of describing the functions of a networking system to allow communication
  23. 23Which command can be used to determine the MTU optimal size?Ping
  24. 24If you needed to be certain that your data transmissions are being received, which type of connection and protocol should be used?Connection-oriented and TCP
  25. 25Which common services occur at the presentation layer of the OSI Model?encryption and compression
  26. 26Which type of communication would be analogous to a half duplex transmission?Two people using walkie-talkies
  27. 27The TCP header specifies which value to ensure that data is processed by the correct application?Port
  28. 28Which protocols operate at the application layer of the OSI Model?HTTP and SMTP
  29. 29Which device or service would not operate at the physical layer of the OSI Model?IP Address
  30. 30Which TCP flag is used to gracefully terminate a session between two systems?FIN
  31. 31Which type of traffic management service occurs at the network layer of the OSI Model?Routing
  32. 32The physical address applied by the data link layer of the OSI Model has which features?1. It is a static address that can’t be changed
    2. It is expressed using a 12-character hexadecimal value
    3. It is unique to every network interface
  33. 33Which statement would best characterize the route that packets will take when using multiprotocol label switching?Dedicated or specified
  34. 34In a networking environment with a corporate headquarters, and four branch offices, how many tunnel interfaces would need to be configured so that each branch could connect to headquarters, and to each other if using multipoint generic routing encapsulation?5
  35. 35Which type of network provider service was available in both asynchronous and synchronous modes?DSL
  36. 36A wired network that is implemented in your home or a small office would be most appropriately categorized as which type of network?PAN
  37. 37A SAN would typically be implemented in which type of networking environment?Enterprise-level organization
  38. 38A Workgroup is best described in which manner?A Microsoft implementation of a peer-to-peer network
  39. 39Which statement best characterizes the purpose and functionality of a virtual switch?It allows virtual machines to communicate with the other systems on the real network
  40. 40Satellite internet service has which primary advantage over most other types of services?Global availability
  41. 41In a star network topology, by which means do systems connect to each other?All systems connect to a central connection device
  42. 42The use of a smartjack provides which capabilities for a demarcation point?Diagnostic and monitoring
  43. 43A hybrid network topology is created by combining which other topologies?Any combination of two or more topologies of any type
  44. 44Which type of network would typically be used to cover very large geographical areas such as from country to country?WAN
  45. 45If a single link between system A and system B were to fail in a full mesh network with 5 nodes, how would it affect overall communications on the network?All communication among all nodes would still be possible
  46. 46In a bus network topology, by which means do systems connect to each other?Each system connects to adjacent systems only in a linear fashion
  47. 47Which type of fiber cabling would be needed to connect two data centers that are 8 km apart?10GBASE-LR
  48. 48In which situations would a crossover cable be required?1. PC to PC
    2. Switch to switch
  49. 49The area of a patch panel where cable connections are hard-wired is referred to as what?Punchdown block
  50. 50Which transceiver would be required to support speeds of 10 Gbps over 4 channels?QSFP+
  51. 51Which optical multimode fiber specification would be the minimum required to support at least 40 Gbps speeds over distances of 100 meters?OM3
  52. 52Category 5 cable could also be expressed using which cable specification?100BaseTX
  53. 53An ST connector would be found on which type of cabling?Fiber
  54. 54Which categories of UTP cable are able to support speeds of at least 100 Mbps?CAT 5e and CAT 5
  55. 55Which statement best characterizes the function of network address translation?It maps a private IP address to a public IP address, when you need to communicate with another system on the Internet
  56. 56What is the correct range of possible addresses that can be created for the first subnet based on the expression of 192.168.0.1/26?192.168.0.0 – 192.168.0.63
  57. 57What are the benefits of using the IPv6 addressing scheme?1. It provides capability for automatic configuration of IPs
    2. It provides better routing since the size of routing tables are reduced
  58. 58Which IP addresses would be private?172.16.0.1
    10.0.0.1
    192.168.0.1
  59. 59Which subnet mask is required to create a single network from four class C networks?255.255.252.0
  60. 60If a network configuration is expressed by the value 192.168.0.1/24, which characteristics can be ascertained about the state of this network?1. The network is a class C network
    2. The network has not been subnetted
  61. 61By which manner can a subinterface be created?By assigning more than one IP address to a single physical network adapter
  62. 62Which statement best characterizes the purpose and functionality of a virtual IP address?It presents a single IP address to client systems, but it represents multiple IP addresses
  63. 63Which subnet mask will subdivide a class C network into 8 subnets?255.255.255.224
  64. 64What is meant by the fact that the IP protocol is characterized as dual stack?It refers to the fact that either version 4 or version 6 can be used to communicate
  65. 65An IPv4 address that has been assigned through the APIPA process usually indicates what condition on a network?A DHCP server could not be found
  66. 66Which binary value represents the decimal value of 150?10010110
  67. 67Which type of transmission would be used for a client system requesting email from its messaging server?Unicast
  68. 68Which address is used as the loopback address in all IPv4 configurations?127.0.0.1
  69. 69Which subnet mask in a class A network will reduce any single subnet to the size of a class C network?255.255.255.0
  70. 70A subnet mask of 255.255.248.0 accommodates approximately how many hosts per subnet?2000
  71. 71“Computername=Client1” would represent which component of the Lightweight Directory Access Protocol?Attribute
  72. 72Place each DHCP phase in the correct sequence.1. discover
    2. Offer
    3. Request
    4. Acknowledgment
    5. Address allocation
  73. 73In which situation might FTP need to use a passive mode connection?If a firewall is present on the client system
  74. 74Which characteristic of the TFTP protocol distinguishes it from FTP?It uses UDP as the transport protocol
  75. 75Which SSH command would be used to establish a session with a specific server using an account other than the account being used to execute the SSH command?ssh remote_host_userID@server.example.org
  76. 76Secure LDAP would most likely be used in which type of communication?A server in a perimeter network communicating with a server in your internal network
  77. 77Which port is used to secure POP3 over SSL communications?995
  78. 78Which Syslog severity code would be used for informational messages only?6
  79. 79The DNS protocol resolves which types of names and/or addresses?IP address to domain name
  80. 80Which port is used to secure IMAP over SSL communications?993
  81. 81What is the correct configuration of the encryption keys used to secure a transaction such as ordering a product with a credit card on a website?Private key held by the server – public key held by the client
  82. 82Which HTTP messages are only included in response messages?1. Status code
    2. Status message
  83. 83Which primary concerns in a networking environment can be addressed by the Network Time Protocol?1. Performing task sequences or applying updates
    2. Network Security
  84. 84Which component of SMTP TLS refers to the fact that users can be assured that the original content of a message has not been altered during transit?Data integrity
  85. 85The POP3 protocol is used in which manner when exchanging email?A client system receiving email from a server
  86. 86The secure file transfer protocol runs over which other utility or protocol by default?SSH
  87. 87Which component of SNMP would typically be located on a centralized server?Manager
  88. 88The SMB protocol is used primarily for which type of networking service?Sharing resources such as files or printers
  89. 89What is the default port for SMTP?25
  90. 90Which telnet command is used to open the help menu??
  91. 91The IMAP protocol uses which port by default?143
  92. 92Which file is used to configure a database server to accept client requests using SQLnet?listener.ora
  93. 93The MySQL protocol operates over which TCP port?3306
  94. 94The Remote Desktop Protocol is primarily used for which activities?1. Accessing a remote system to run an application
    2. Managing and administering a remote computer from your local computer
  95. 95Which types of applications or services make use of the Session Initiation Protocol?1. Chat or instant messaging applications
    2. Video conferencing applications
    3. Voice over IP devices
  96. 96What is the primary advantage of using the User Datagram Protocol over a connectionless communication channel?Speed
  97. 97Which protocol is used as an error messaging standard and can provide feedback as to the state of communications?ICMP
  98. 98The Microsoft implementation of the Structured Query Language operates over which port by default?1433
  99. 99—

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tert network+ FlashCards sobre Sem título, criado por Nigel Skurrie em 23-08-2023.
Criado por
Nigel Skurrie
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