网友您好， 请在下方输入框内输入要搜索的题目：
题目内容
（请给出正确答案）
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
更多 “What are some common layer 2 encapsulations for a WAN link?（）A、EthernetB、PPPC、Token RingD、HDLCE、Frame RelayF、POTS” 相关考题
考题
E-UTRAN接口通用协议包括『____』层和『____』层两个部分。(The common interface protocol of E-UTRAN include two parts:『____』layer and『____』layer.)
考题
But the Internet can bring some()effects, too. The most common one, some teenagers are addicted to computer games on the Internet.A. negativeB. positiveC. important
考题
听力原文：M: I want to apply for a credit card. What are the common credit cards?W: Master Card, Visa, Discover, and American Express. Apply for the ones without annual fees. Some credit cards even pay you back about 1% - 2% of what you spend.Q: Which type of credit card is not mentioned in the conversation?(19)A．Smart Card.B．Master Card.C．Visa Card.D．American Express.
考题
What are two routing requirements for a device to communicate with another device?()
A. end-to-end communications pathB. hosts on the same Layer 2 broadcast domainC. hosts on the same Layer 3 broadcast domainD. routing information on participating Layer 3 devices
考题
After issuing the show interfaces terse command, you notice that the status of one interface is "up down". What does this indicate?"()
A.Layer 1 on the interface is up but Layer 2 is down.B.Layer 2 on the interface is up but Layer 3 has not been configured.C.The interface is administratively up but the link status is down.D.The interface is up but has been administratively turned off.
考题
What are some common layer 2 encapsulations for a WAN link?()
A. EthernetB. PPPC. Token RingD. HDLCE. Frame RelayF. POTS
考题
Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?()
A. source addressB. optionsC. sequence numberD. sourcesE. destination portF. checksum
考题
What are some of the advantages of using a router to segment the network (Choose two.)()。
A.Filtering can occur based on Layer 3 information.B.Broadcasts are eliminated.C.Routers generally cost less than switches.D.Broadcasts are not forwarded across the router.E.Adding a router to the network decreases latency.
考题
Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?（）A、source addressB、optionsC、sequence numberD、sourcesE、destination portF、checksum
考题
FabricPath brings the benefits of routing protocols to layer 2 network Ethernet environments. What are the advantages of using FabricPath technology？ （） A、 FabricPath provides MAC address scalability with conversational learningB、 Loop mitigation with TTL in the frame fieldC、 STPl independenceD、 10 Gbps bandwidthE、 Layer 2 extensions between data centers
考题
What are two functions of the Intel IXP processors？（）A、keepalivesB、route-lookupC、CRC validationD、Layer 2 decapsulation
考题
Bridges and switches are Layer 2 devices that provide the same basic functionality but that also have some differences. Which two traits apply to switches only？（）A、 supports Layer 2 VLANsB、 segment LANsC、 are faster because forwarding decisions are made on hardwareD、 typically have fewer ports because forwarding decisions are made in softwareE、 flood frames out all ports
考题
What is the function of the no switchport catalyst switch interface configuration command?（）A、Disables the interfaces to prevent traffic flowB、Clears all the configurations on the interfaceC、Switches the port from access mode to trunk modeD、Converts the port from physical Layer 2 port to physical Layer 3 port
考题
What is the most common cause of network congestion？（）A、aggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switchesB、speed mismatches when moving from a low-speed LAN environment to a higher speed WAN environmentC、flapping Ethernet interfaces caused by misconfigured LAN interfacesD、flapping serial interfaces caused by misconfigured WAN interfacesE、speed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment
考题
What are some of the advantages of using a router to segment the network? (Choose two.)（）A、Filtering can occur based on Layer 3 information.B、Broadcasts are eliminated.C、Routers generally cost less than switches.D、Broadcasts are not forwarded across the router.E、Adding a router to the network decreases latency.
考题
What are some of the advantages of using a router to segment the network?（）A、Filtering can occur based on Layer 3 information.B、Broadcasts are eliminated.C、Routers generally cost less than switches.D、Broadcasts are not forwarded across the router.E、Adding a router to the network decreases latency.
考题
多选题What are some of the characteristics of a typical VLAN arrangement?（）AVLANs logically divide a switch into multiple, independent switches at Layer 2.BTrunk links can carry traffic for multiple VLANs.CVLAN implementation significantly increases traffic due to added trunking information.DA VLAN can span multiple switches.EVLANs typically increase the number of switches neededFVLANs typically decrease the number of switches needed
考题
单选题What is the most common cause of network congestion？（）A
aggregation congestion occurring at the core layer where the different distribution layer devices feed traffic to the core-layer switchesB
speed mismatches when moving from a low-speed LAN environment to a higher speed WAN environmentC
flapping Ethernet interfaces caused by misconfigured LAN interfacesD
flapping serial interfaces caused by misconfigured WAN interfacesE
speed mismatches when moving from a high-speed LAN environment to a lower speed WAN environment
考题
多选题What can a network administrator utilize by using PPP Layer 2 encapsulation? (Choose three.)（）AVLAN supportBcompressionCauthenticationDsliding windowsEmultilink supportFquality of service
考题
多选题What are two routing requirements for a device to communicate with another device?（）Aend-to-end communications pathBhosts on the same Layer 2 broadcast domainChosts on the same Layer 3 broadcast domainDrouting information on participating Layer 3 devices
考题
多选题What are some of the advantages of using a router to segment the network?（）AFiltering can occur based on Layer 3 information.BBroadcasts are eliminated.CRouters generally cost less than switches.DBroadcasts are not forwarded across the router.EAdding a router to the network decreases latency.
考题
多选题What are some virtues of implementing end-to-end VLANs？（）AEnd-to-end VLANs are easy to manage.BUsers are grouped into VLANs independent of a physical location.CEach VLAN has a common set of security and resource requirements for all members.DResources are restricted to a single location.
考题
单选题What benefit results from implementation of Layer 3 switching versus Layer 2 switching in a fully meshed campus network？（）A
ease of IP address assignment versus use of external routersB
redundancy from trunking between distribution layer switchesC
provides first-hop redundancy to clientsD
allows inter-VLAN communication without requiring complexity of routing protocols
考题
多选题What are some characteristics of the typical VLAN arrangement?（）AVLANs logically divide a switch into multiple, independent switches at Layer 2.BTrunk links can carry traffic for multiple VLANs.CVLAN implementation significantly increases traffic due to added trunking information.DA VLAN can span multiple switches.EVLANs extend the collision domain to include multiple switches.FVLANs typically decrease the number of multiple switches.
考题
多选题What are some common layer 2 encapsulations for a WAN link?（）AEthernetBPPPCToken RingDHDLCEFrame RelayFPOTS
考题
多选题Although TCP segments differ from UDP segments, they both contain some common fields. What two segments do they share in common?（）Asource addressBoptionsCsequence numberDsourcesEdestination portFchecksum
热门标签
最新试卷
