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Tests on computer networks with answers - Part 6

  1. 1. In the following models, which model is the most commonly used network model today:
      1. Peer - to -Peer
      1. RemoteAccess
      1. Terminal -Mainframe
    4. Client - Server
  2. 2. DNS network service used to:

    1. Addressing the workstations

      1. Resolution name and address
      1. Transfer files and data
      1. Send emails
  3. 3. DHCP protocol can provide the following parameters for client workstations:
      1. IPAddress
      1. SubnetMask
      1. DNSServer
      1. DefaultGateway
  4. 4. A C class subnet lends 2 bits to divide the Subnet, the Subnet Mask will be:
      1. 255,224.0

    2. 255.255.255.192 (because: 110000002 = 192)

    3. 255.255.255.240

    4. 255.255.255.128

  5. 5. How many bits of IPv6 address?
      1. 32
      1. 48

    3. sixty four

      1. 128
  6. 6. Which network devices reduce collisions?
      1. Hub
      1. NIC
      1. Switch
      1. Transceiver
  7. 7. MAC address is:
      1. The layer 3 address is processed by the Router for routing

    2. Class 4 address is attached to the service port

      1. Can be changed with Windows TCP / IP Properties

    4. Layer 2 addresses are hardened to the Network Card

  8. 8. Among the following operating systems, the network operating system is:
      1. Windows 98
      1. Windows 2003 Professional
      1. Windows 2003 Server
      1. Windows XP
  9. 9. SMTP network service used to:
      1. Send emails
      1. Receive email
      1. Resolving names and addresses

    4. Addressing the workstation

  10. 10. Static routing is a routing type:
      1. Used for small networks with simple structure

    2. Administrators simply configure the Router routing protocol

      1. The administrator must configure each command line for the necessary destination networks
      1. The router can help select the shortest path on the network
  11. 11. Among the following service and protocol pairs, which pair is correct:
      1. SMTP: TCP Port 21

    2. Telnet: UDP Port 23

      1. HTTP: TCP Port80
      1. TFTP: TCP Port69
  12. 12. To resolve the IP address into a MAC address, use the protocol:
      1. ARP
      1. DHCP
      1. RARP
      1. ICMP
  13. 13. Routing capability is implemented by the device:
      1. Switch
      1. Hub
      1. NIC
      1. Router
  14. 14. Which dial-up services use the device to convert digital signals to analog signals?
      1. Repeater
      1. Modem
      1. Router
      1. NIC
  15. 15. Which service allows host reference by name instead of using IP address when browsing the Internet?
      1. POTS
      1. DNS
      1. HTTP
      1. FTP
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