What is A WAN?（）A、A network that is restricted.to A single building ,A group of buildings, or even A single room.B、A network that encompasses an entire city or metropolitanared and connects multiple LANs.C、A network that connects client devices wirelessly

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What is A WAN?（）

A、A network that is restricted.to A single building ,A group of buildings, or even A single room.
B、A network that encompasses an entire city or metropolitanared and connects multiple LANs.
C、A network that connects client devices wirelessly using radio waves.
D、A network that crosses metropolitan, regional, or national boundaries.

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相似问题和答案

第1题：

What does a router do?()

A.Routes traffic down alternative paths and connects the local-area network (LAN) to the wide- area network (WAN)

B.Reads Media Access Control (MAC) addresses to forward messages to the correct location and connects the local-area network (LAN) to the wide-area network (WAN)

C.Stores data on the network and connects the local-area network (LAN) to the wide-area network (WAN)

D.Broadcasts data to all devices that are connected to it across the local-area network (LAN) and wide-area network (WAN)

参考答案：A

第2题：

What are three factors a network administrator must consider before implementing Netflow in the network?()

A.CPU utilization

B.where Netflow data will be sent

C.number of devices exporting Netflow data

D.port availability

E.SNMP version

F.WAN encapsulation

参考答案：A, B, C

第3题：

以下不属于局域网(LAN)、广域网(WAN)的网际互连类型是( )。

A.LAN-WAN

B.LAN-LAN

C.IAN-WAN-LAN

D.WAN-LAN-WAN

参考答案：D

第4题：

What happens when you enable QoS bandwidth detection? （）(Choose two.)

A、Circuit speed is reduced by 2% for overhead.
B、WAN speed can be configured to the LAN speed.
C、Bandwidth is adjusted based on minimum and maximum settings
D、WAN bandwidth is detected based on acknowledgement of metapackets.

正确答案:B,D

第5题：

The Acme company has determined that during its busiest hours， the average number of internal VoIP calls across the WAN link is four （4）. Since this is an average， the WAN link has been sized for six （6） calls with no call admission control. What will happen when a seventh call is attempted across the WAN link？（）

A、the seventh call is routed via the PSTN
B、the call is denied and the original six （6） calls remain
C、the call is completed and the first call is dropped
D、the call is completed， but all calls have quality issues
E、the call is completed but the seventh call has quality issues

正确答案:D

第6题：

What are some common layer 2 encapsulations for a WAN link?()

A. Ethernet

B. PPP

C. Token Ring

D. HDLC

E. Frame Relay

F. POTS

参考答案：B, D, E

第7题：

What are some common layer 2 encapsulations for a WAN link?（）

A、Ethernet
B、PPP
C、Token Ring
D、HDLC
E、Frame Relay
F、POTS

正确答案:B,D,E

第8题：

What must be enabled to view the WAN performance reports?()

A. Monitor > WAN > WAN Throughput

B. Monitor > WAN > WAN Performance

C. Device Setup > Applications > Monitoring

D. Device Setup > Advanced > WAN Performance Monitor

参考答案：D

第9题：

What are three factors a network administrator must consider before implementing Netflow in the network?（）

A、CPU utilization
B、where Netflow data will be sent
C、number of devices exporting Netflow data
D、port availability
E、SNMP version
F、WAN encapsulation

正确答案:A,B,C

第10题：

If voice and data traffic will be sent and received via a WAN links， what must be configured to provide a certain amount of dedicated bandwidth and to prioritize the voice traffic over other types of network traffic？（）

A、IPSec VPN
B、QoS mechanism
C、Firewall
D、NAT
E、EIGRP routing protocol
F、Static routing

正确答案:B

What is A WAN?（）

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