Exam 9: Computer Networks

​____ is based on the 802.3z standard and the 802.3ab standard.

​____ make forwarding decisions by using layer 2 addresses.

​WiMAX is a replacement for and an extension to the IEEE 802.11 standards.

The VoIP user perceives ____ as periods of silence mixed with overlapped voice signals.

​The term ____ describes transmission situations involving multiple senders and receivers.

​To connect four end nodes in a mesh technology, three transmission lines and six connections per node are required.

​____________________ is a group of wireless networking standards developed by the WiMAX Forum and codified in the IEEE 802.16 standard.

​Guaranteeing service quality is a simple matter in most IP networks.

​What was ARPANET?

​A(n) ____________________ topology directly connects every node to a single shared transmission line.

A(n) ____________________ topology is one in which every node pair is connected by a point-to-point link.

​Networks using bus and ring physical topologies are commonly used today.

Most large-scale delivery services use a ____ system to connect source and destination nodes.

A network for an entire campus is known as a(n) ____ and includes end nodes, LANs, zone networks, the campus backbone network, and central nodes.

The ____ layer is the interface between network software and hardware.

Newer Ethernet standards used a bus logical topology, Category 5 twisted-pair cable, and CSMA/CD.

The ____________________ layer formats messages into packets suitable for transmission over the network.

____ topology is the path messages traverse as they travel between end and central nodes.

​The IEEE has drafted a number of network standards, collectively referred to as the IEEE ____________________ standards.

​VoIP equipment and software can be loosely divided into two groups: end nodes and ____.