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[主观题]

The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is tr

ue about full-duplex Ethernet in comparison to half-duplex Ethernet?

A.Full-duplex Ethernet uses two wires to send and receive. Half-duplex Ethernet uses one wire to send and receive

B.Full-duplex Ethernet consists of a shared cable segment. Half-duplex Ethernet provides a point-to-point link

C.Full-duplex Ethernet can provide higher throughout than can half-duplex Ethernet of the same bandwidth

D.Full-duplex Ethernet uses a loopback circuit to detect collisions. Half-duplex ethernet uses a jam signal

E.None of the above

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更多“The Ezonexam LAN is upgrading all devices to operate in full duplex. Which statement is tr”相关的问题

第1题

In the Ezonexam switched LAN environment, what does the IEEE 802.1Q standard describe?A. V

In the Ezonexam switched LAN environment, what does the IEEE 802.1Q standard describe?

A. VLAN pruning

B. A method of VLAN trunking

C. An approach to wireless LAN communication

D. The operation of VTP

E. The process for root bridge selection

F. None of the above

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第2题

The LAN needs are expanding at the Ezonexam corporate office, which is quickly growing. Yo
u are instructed to enlarge the area covered by a single LAN segment on the Ezonexam network.

Which of the following are layer 1 devices that you can use? (Choose all that apply.)

A.A switch

B.A router

C.A network adapter card

D.A hub

E.A repeater

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第3题

The network administrator has configured port security on a Ezonexam switch. Why would a n
etwork administrator configure port security on this Ezonexam device?

A.To prevent unauthorized hosts from getting access to the LAN

B.To limit the number of Layer 2 broadcasts on a particular switch port

C.To prevent unauthorized Telnet or SSH access to a switch port

D.To prevent the IP and MAC address of the switch and associated ports

E.None of the above

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第4题

The Ezonexam corporate LAN consists of one large flat network. You decide to segment this
LAN into two separate networks with a router. What will be the affect of this change?

A.The number of broadcast domains will be decreased.

B.It will make the broadcasting of traffic between domains more efficient between segments.

C.It will increase the number of collisions.

D.It will prevent segment 1's broadcasts from getting to segment 2.

E.It will connect segment 1's broadcasts to segment 2.

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第5题

In which circumstance are multiple copies of the same unicast frame. likely to be transmit
ted in the Ezonexam Switched LAN?

A. During high traffic periods

B. In an improperly implemented redundant topology

C. After broken links are re-established

D. When upper-layer protocols require high reliability

E. When a dual ring topology is in use

F. None of the above

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第6题

At which OSI layer is a logical path created between two host systems named VE1 and VE2 on
the Ezonexam LAN?

A. Physical

B. Session

C. Data link

D. Transport

E. Network

F. Application

G. Presentation

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第7题

The Ezonexam network administrator needs to determine what LAN devices to install on the E
zonexam network. What are two advantages of using Layer 2 Ethernet switches over hubs? (Choose two)

A.Allowing simultaneous frame. transmissions

B.Increasing the size of broadcast domains

C.Increasing the maximum length of UTP cabling between devices

D.Filtering frames based on MAC addresses

E.Decreasing the number of collision domains

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第8题

You need to decide on which trunking method to implement in the Ezonexam network. What is
a characteristic of ISL and 802.1q frame. tagging in a switched LAN environment?

A.They are used to find the best path through a network.

B.They allow the exchange of filtering tables.

C.They specify different implementations of the Spanning-Tree Protocol.

D.They allow the exchange of routing tables

E.They provide inter-switch VLAN communication.

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第9题

You are experiencing intermittent issues relating to congestion within the Ezonexam networ
k. What are the possible causes of congestion on this LAN? (Choose all that apply)

A. A broadcast domain with too many hosts.

B. Full duplex operation.

C. Broadcast storms.

D. Multicasting.

E. Network Segmentation.

F. Low bandwidth.

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第10题

A new Ezonexam switch is installed into an existing LAN and a new VTP trunk is set up with
an existing switch. Which VLANs will be allowed on this new trunk?

A.All defined VLANs are allowed on the trunk by default.

B.Each VLAN, or VLAN range, that is specified with the switchport mode command.

C.Each VLAN, or VLAN range, that is specified with the vtp domain command.

D.Each VLAN, or VLAN range, that is specified with the vlan database command.

E.None of the above

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第11题

The Ezonexam network administrator wants to use a router named VE1 to segment the local ne
twork. What are some of the advantages of using VE1 to segment the network? (Choose two)

A. Routers generally cost less than switches

B. Filtering can occur based on Layer 3 information

C. Broadcasts are not forwarded across the router

D. Broadcasts are eliminated

E. Adding a router to the network decreases latency

F. Routers can generally support more LAN ports than switches

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