With regard to Ethernet media access methods, which of the following are true?()
第1题:
A. The source device will only retransmit lost packets on the request of the destination device.
B. The source device starts a timer when it sends a segment and retransmits if an acknowledgment is not received before the timer expires.
C. The destination device acknowledges receipt of a segment by sending a packet with a new sequence number and the ACK bit sent.
D. The destination device acknowledges receipt of a segment by sending a packet that indicates the next sequence number it expects.
E. If the destination device does not receive a segment, all segments are retransmitted.
F. The source device keeps a record of all segments sent and expects and acknowledgment of each.
第2题:
A. Hubs
B. Repeaters
C. Switches
D. Bridges
E. Routers
F. Media Converters
G. All of the above
第3题:
Two stations on the Ezonexam LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network? (Choose all that apply)
A.Each device on the Ethernet segment stops transmitting for a short time.
B.A jam signal informs all devices that a collision occurred.
C.When data transmission resumes, the devices that were involved in the collision have priority to transmit.
D.The devices that are involved in the collision stops transmitting for a short time.
E.The collision invokes a random back-off algorithm.
第4题:
Which two statements are true regarding an Ethernet collision domain?()
第5题:
Which statement about VPLS is true?()
第6题:
A. Each device on the Ethernet segment stops transmitting for a short time.
B. A jam signal informs all devices that a collision occurred.
C. When data transmission resumes, the devices that were involved in the collision have priority to transmit.
D. The devices that are involved in the collision stops transmitting for a short time.
E. The collision invokes a random back-off algorithm.
第7题:
Which of the following statements are true for routers but not true for Layer 3 Ethernet switches?(Choose all that apply.)()
第8题:
With regard to Ethernet media access methods, which of the following are true?
(Choose all that apply.)
A.A device waits for an electronic signal before transmitting.
B.A device listens and waits until the media is not busy before transmitting.
C.All devices on an Ethernet segment see data that passes on the network medium.
D.Only the sender and the receiver devices see data that passes on the network medium.
E.Ethernet networks allow you to configured devises with higher transmission priority.
第9题:
Which of the following problems has occurred when a menu appears and prompts the user to "copy a dump to external media?()
第10题:
Which of the following are true of Ethernet technology?()