1. Identify the factors that contribute to congestion on an Ethernet LAN. (Choose
three.)
• improper placement of enterprise level servers
• addition of hosts to a physical segment
replacement of hubs with workgroup switches
• increasing use of bandwidth intensive network applications
migration to full-duplex Ethernet within the LAN
2. Which of the following are examples of TCP/IP application layer protocols?
(Choose three.)
• a terminal emulation protocol that supports remote console connections with
various network devices
a protocol created by IBM that makes it easier for mainframes to connect to remote
offices
• a protocol responsible for transporting electronic mail on TCP/IP networks and the
Internet
a protocol that controls the rate at which data is sent to another computer
• a protocol that exchanges network management information between a network
device and a management console
3. Which of the following eliminates switching loops?
hold-down timers
poison reverse
• spanning tree protocol
time to live
split horizon protocol
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