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20 Cards in this Set
- Front
- Back
What type of info must a protocol suite supply to be routable?
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network layer address
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Which protocol suite grew popular in part because software developers have always been able to modify it freely?
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TCP/IP
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What field in an IP datagram can be used to indicate that a packet should be routed before any other packets?
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differentiated services field
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What happens to an IP datagram when its TTL reaches 1?
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it is discarded by the connectivity device
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What is the function of ARP?
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to obtain the IP address of a host, then map that IP address to a registered domain name
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What application would be best suited to using UDP?
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video transmission over the web
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Suppose you have a workstation that uses the IP address 203.12.176.55. To what network class does the workstation belong?
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C
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How many bytes are used for an IPv4 address?
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4
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Suppose your computer's address is 155.61.9.188, what is your computer's subnet mask?
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255.255.255.0
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Supose you send data to the 11111111 11111111 11111111 11111111 IP address. To what device are you transmitting?
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all devices on your network segment
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What is the main difference between BOOTP and DHCP?
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BOOTP relies on a static table to associate IP addresses with MAC addresses, wehreas DHCP does not
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What command terminates the workstation's DHCP lease?
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ipconfig /release
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At a minimum, what fields would you find in a hosts file?
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IP address and host name
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What devices are the highest authorities in the domain name system hierarchy?
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root servers
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On a client/server network, what computer initiates the process of assigning an IP address through DHCP?
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the client
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Why is TFTP a less secure protocol than FTP?
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because TFTP does not require a logon ID and password to connect to the server, and FTP does
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Which of the following protocols will assist in determining whether packets reached their destination?
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ICMP
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If you want to determine only whether the TCP/IP protocols are installed and functioning properly on your workstation, you could:
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attempt to ping the loopback address
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Which IPX/SPX core protocol provides data reliability services?
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SPX
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Why is NetBEUI unsuitable for Internet connections?
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It's not routable
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