Which statement is true about WANs?
A. Switches or concentrators often relay information through the WAN.
B. WANs typically encompass broad geographic areas.
C. In general, WAN technologies function at the middle three layers of the Open System Interconnection
D. Users of WANs do not typically own all transmission facilities.
Which item is not a true disadvantage of the full-mesh topology?
A. Central hub router represents a single point of failure in the network.
B. High level of complexity to implement.
C. Large number of packet replications required.
D. High costs due to number of virtual circuits.
Which IPv4 field are the precedence bits located in?
A. IP destination address
B. Type-of-service field
C. IP options field
D. IP protocol field
Which hierarchical layer has functions such as High availability, port security, and rate limiting?
With which of the following capabilities does RIPv2 improve RIPv1?
A. Multicast updates, authentication, variable-length subnet mask (VLSM)
B. Authentication, VLSM, hop count
C. Multicast updates, authentication, hop count
D. Multicast updates, hop count
Which is the maximum segment distance for Fast Ethernet over unshielded twisted-pair (UTP)?
A. 285 feet
B. 100 feet
C. 500 feet
D. 100 meters
Which term accurately describes a specific measure of delay often used to describe voice and video networks?
Which layer is in charge of fast transport in the hierarchical network model?
SNMP is short for Simple Network Management Protocol. Which version or versions of SNMP specify security extensions as part of the protocol definition?
What is the reason for switching preferred on shared segments?
A. Switched segments provide a collision domain for each host.
B. Switched segments provide a broadcast domain for each host
C. Shared segments provide a broadcast domain for each host.
D. Shared segments provide a collision domain for each host.
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