多項(xiàng)選擇題Two stations on a LAN transmit at the same time, resulting in a collision. What happens when a collision occurs on the network?()

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.


您可能感興趣的試卷

你可能感興趣的試題

1.單項(xiàng)選擇題Which of the addresses below is an example of a valid unicast address?()

A.172.31.128.255./18
B.255.255.255.255
C.192.168.24.59/30
D.224.0.0.5
E.All of the above

2.單項(xiàng)選擇題Which one of the protocols below allows a router to respond to an ARP request destined to a remote host?()

A. Gateway DP
B. Reverse ARP
C. proxy ARP
D. Inverse ARP
E. indirect ARP

3.單項(xiàng)選擇題Which of the following processes, is used to find the hardware address of a LAN device?()

A. Inverse-ARP
B. Reverse-ARP
C. Proxy ARP
D. ARP

4.多項(xiàng)選擇題Which of the following are actual varieties of network crosstalk?()

A. near-end crosstalk(NEXT)
B. middle open-end crosstalk(MOEXT)
C. power sum near-end crosstalk(PSNEXT)
D. jitterry crosstalk(JEXT)
E. far end crosstalk(FEXT)

6.單項(xiàng)選擇題What is the maximum data rate specified by the IEEE 802.11B standard for wireless LANS?()

A. 10 Mbps
B. 11 Mbps
C. 54 Mbps
D. 100 Mbps
E. none of the above

7.單項(xiàng)選擇題Which IEEE standard is used to define Wi-Fi?()

A. IEEE 802.3
B. IEEE 802.5
C. IEEE 802.11h
D. IEEE 802.11c
E. IEEE 802.11

8.單項(xiàng)選擇題Which of the following data network would you implement if you wanted a wireless network that had a relatively high data rate, but was limited to very short distances?()

A. Broadband personal comm. Service (PCS)
B. Broadband circuit
C. Infrared
D. Spread spectrum
E. Cable

9.多項(xiàng)選擇題When you compare the differences between half-duplex and full-duplex Ethernet,which of the following characteristics are exclusive to half-duplex?()

A. Half-duplex Ethernet operates in a shared collision domain.
B. Half-duplex Ethernet operates in an exclusive broadcast domain.
C. Half-duplex Ethernet has efficient throughput.
D. Half-duplex Ethernet has lower effective throughput.
E. Half-duplex Ethernet operates in an exclusive collision domain.

10.多項(xiàng)選擇題What are the differences between full-duplex Ethernet and half-duplex Ethernet?()

A. Half-duplex Ethernet operates in a shared collision domain.
B. Full-duplex Ethernet has a lower effective throughput.
C. Half-duplex Ethernet operates in a private collision domain.
D. Full-duplex Ethernet allows two-way communication.
E. Half-duplex Ethernet operates in a private broadcast domain.

最新試題

Which of the following if addresses can be assigned to host devices?()

題型:多項(xiàng)選擇題

All WAN links is side the TestKing.com network use PPP with for authentication security. Which command will display the CHAP authentication process as it occurs between two routers in the network?()

題型:?jiǎn)雾?xiàng)選擇題

What is the purpose of typing o/r 0x2142 during a password recover procedure on a 2500 series router?()

題型:?jiǎn)雾?xiàng)選擇題

Which characteristics are representative of a link-state routing protocol?()

題型:多項(xiàng)選擇題

You are configuring a new Catalyst switch that you want to manage remotely from workstations on other network segments within your enterprise.Which of the following are required to allow remote management of the switch over IP?()

題型:多項(xiàng)選擇題

An administrator would like to configure a switch over a virtual terminal connection from locations outside of the local LAN. Which of the following are required in order for the switch to be configured from a remote location? ()

題型:多項(xiàng)選擇題

Which of the following correctly describe steps in the OSI data encapsulation process?()

題型:多項(xiàng)選擇題

What is a global command?()

題型:?jiǎn)雾?xiàng)選擇題

A technician at TestKing needs to update the network documentation. One of the tasks includes documenting the name of the IOS image file of each router in the network.Which commands could be used to find this information?()

題型:?jiǎn)雾?xiàng)選擇題

Which of the following statements regarding routed and routing protocols are true?()

題型:多項(xiàng)選擇題