Computer Networking
What information is displayed by the show hosts command?1. Temporary DNS entries2. The names of the routers created using the hostname command3. The IP addresses of workstations allowed to access the router4. Permanent name-to-address mappings created using the ip host command5. The length of time a host has been connected to the router via Telnet

All of these
3, 4, and 5
1, 2 and 3
1 and 4

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Computer Networking
The research and development department at your office has been experimenting with different technologies to help improve the performance of the network. One group has been examining the use of a broadband network versus a based band network. Select the correct statement about broadband and baseband.

Baseband networks carry a single channel on a single cable, whereas broadband networks carry several channels on a single cable
Broadband networks carry several channels on a single cable, whereas in a baseband network several cables carry one channel
Baseband operates at a standard bit rate, whereas broadband may operate at different rates as needed
Broadband and baseband refer to the different frequencies at which infrared operates then transmitting signals in certain conditions
Baseband refers to local area networks, and broadband refers to wide area networks.

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Computer Networking
To configure the VLAN trunking protocol to communicate VLAN information between two switches, what two requirements must be met?1. Each end of the trunk link must be set to the IEEE 802.1e encapsulation.2. The VTP management domain name of both switches must be set the same.3. All ports on both the switches must be set as access ports.4. One of the two switches must be configured as a VTP server.5. A rollover cable is required to connect the two switches together.6. A router must be used to forward VTP traffic between VLANs.

1 and 6
1, 2 and 4
2 and 4
3, 5 and 6

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Computer Networking
Error detecting code is

the ratio of the data units in error to the total number of data units
an error-detecting code based on a summation operation performed on the bits to be checked
None of these
a code in which each expression conforms to specify rules of construction, so that if certain errors occur in an expression, the resulting expression will not conform to the rules of construction and
a check bit appended to an array of binary digits to make the sum of all the binary digits.

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