A. Full-duplex Ethernet uses CSMA/CD to prevent collisions.
B. Half-duplex Ethernet uses a loopback circuit to detect collisions.
C. A full-duplex Ethernet card allows 20Mbps for data transmission.
D. Full-duplex Ethernet makes use of two pairs of wires for data.
E. An Ethernet hub can operate both half and full duplex simultaneously.

A. The destination host sends a request to the source for retransmission.
B. The jam signal indicates that the collision has been cleared.
C. The hosts will attempt to resume transmission after a time delay has expired.
D. An electrical pulse indicates that the collision has cleared.
E. The router on the segment will signal that the collision has cleared.
F. The hosts will do nothing, as the higher layers are responsible for data error correction and re-transmission.

A. 802.11
B. 802.5
C. 802.3ab
D. 802.3ae
E. 802.3z
F. 802.3u

A. Too many hosts in a broadcast domain
B. Full duplex operation
C. Broadcast storms
D. Multicasting
E. Segmentation
F. Low bandwidth

A. The use of Full-Duplex Mode.
B. The Creation on New Collision Domains.
C. The Creation on New Broadcast Domains.
D. The Addition of Hubs to the Network.
E. The use of switches in the Network.
F. The Amount of ARP or IPX SAP Traffic.

A. Increasing the number of collision domains.
B. Micro-segmenting the network.
C. Adding hubs for connectivity to the network.
D. Putting additional switches in the network.
E. Implementing VLANs in the network.

A. Blocking
B. Listening
C. Forwarding
D. Learning
E. Relaying

A. It is used to provide a mechanism for routing updates in switched environments.
B. It is used to prevent routing loops in networks with redundant routes.
C. It is used to prevent switching loops in networks with redundant switched routes.
D. It is used to manage, the addition, deletion, and naming of VLANs across multiple switches.
E. It is used to segment a network into multiple collision domains.
F. None of the above.
G. All of the above are functions of STP.

A. All switch and bridge ports are in the forwarding state.
B. All switch and bridge ports are in the stand-by state.
C. All switch and bridge ports are assigned as either root or designated ports.
D. All switch and bridge ports are in either the forwarding or blocking state.
E. All switch and bridge are either blocking or looping.

A. Learning
B. Spanning
C. Listening
D. Forwarding
E. Initializing
F. Filtering
G. Permitting