思科认证考试
What are two advantages of Layer 2 Ethernet switches over hubs?（）A、decreasing the number of collision domainsB、filtering frames based on MAC addressesC、allowing simultaneous frame transmissionsD、increasing the size of broadcast domainsE、increasing the max
题目
What are two advantages of Layer 2 Ethernet switches over hubs?（）
- A、decreasing the number of collision domains
- B、filtering frames based on MAC addresses
- C、allowing simultaneous frame transmissions
- D、increasing the size of broadcast domains
- E、increasing the maximum length of UTP cabling between devices
参考答案和解析
相似问题和答案
第1题：
A. end-to-end communications path
B. hosts on the same Layer 2 broadcast domain
C. hosts on the same Layer 3 broadcast domain
D. routing information on participating Layer 3 devices
第2题：
A. decreasing the number of collision domains
B. filtering frames based on MAC addresses
C. allowing simultaneous frame transmissions
D. increasing the size of broadcast domains
E. increasing the maximum length of UTP cabling between devices
第3题：
The Ezonexam network administrator wants to use a router named VE1 to segment the local network. 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
B,C
第4题：
What are two functions of the Intel IXP processors？（）
- A、keepalives
- B、route-lookup
- C、CRC validation
- D、Layer 2 decapsulation
正确答案:A,C
第5题：
What are two advantages that the Cisco 3900 Series Integrated Services Routers have over the rest of the integrated services routers？ （）
- A、 Telepresence-capable
- B、 high-density service virtualization
- C、 intelligent integration of security
- D、 wireless services
- E、 unified communications
正确答案:A,B
第6题：
A.Optimized processing of error notification
B.Optimized processing of bandwidth requests
C.Optimized processing of content delivery
D.Optimized processing of content requests
第7题：
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.
第8题：
A. It can reduce routing table size.
B. It allows for optimal route selection.
C. It can reduce the number of routing updates.
D. It always shortens the attribute list for the aggregated route.
第9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 learning
- B、 Loop mitigation with TTL in the frame field
- C、 STPl independence
- D、 10 Gbps bandwidth
- E、 Layer 2 extensions between data centers
正确答案:A,B,C
第10题：
What are two advantages of BGP route aggregation?（） (Choose two.)
- A、It can reduce routing table size.
- B、It allows for optimal route selection.
- C、It can reduce the number of routing updates.
- D、It always shortens the attribute list for the aggregated route.
正确答案:A,C