JN0-102
多选题Which two statements are correct about Layer 2 broadcast frames?（）ALayer 2 broadcast frames are processed by all devices on the same VLANBLayer 2 broadcast frames are discarded by routers that connect to multiple VLANsCLayer 2 broadcast frames are rela
题目
Layer 2 broadcast frames are processed by all devices on the same VLAN
Layer 2 broadcast frames are discarded by routers that connect to multiple VLANs
Layer 2 broadcast frames are relayed by routers to all connected VLANs
Layer 2 broadcast frames are relayed by switches to devices on the same VLAN
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：
VE1 is a switch in the Ezonexam network. Why will VE1 never learn the broadcast address?
A. Broadcast frames are never sent to switches
B. A broadcast frame. is never forwarded by a switch
C. Broadcasts only use network layer addressing
D. A broadcast address will never be the source address of a frame
E. Broadcast addresses use an incorrect format for the switching table
F. None of the above
D
第4题：
Which two statements accurately describe a broadcast domain?（）
- A、Broadcast domains consist of devices that connect to a common switch or hub.
- B、Broadcast domains consist of a group of devices that can be reached by sending a frame addressed to the Layer 2 broadcast address.
- C、Broadcast domains require a gateway device such as a router.
- D、Broadcast domains consist of devices that reside on the same sub-network.
正确答案:B,D
第5题：
A.Broadcasts only use network layer addressing.
B.A broadcast frame is never forwarded by a switch.
C.A broadcast address will never be the source address of a frame.
D.Broadcast addresses use an incorrect format for the switching table.
E.Broadcast frames are never sent to switches.
第6题：
A.Routers facilitate communications within a broadcast domain.
B.Routers facilitate communications between broadcast domains.
C.Routers are used to break up broadcast domains into separate networks.
D.Routers are used to connect small broadcast domains and form larger more efficient broadcast domains
第7题：
A.Host 1 addresses the frames to the MAC address of router R1
B.Host 1 looks in its ARP cache for the MAC address of router R1
C.Host 1 addresses the frames to the MAC address of web server 2
D.Host 1 sends the packets to router R1 to be forwarded to web server 2
E.Host 1 sends a broadcast ARP request to obtain the MAC address of webserver2
第8题：
A. Broadcast domains require that the participating devices connect to common switches or hubs.
B. Broadcast domains consist of devices reachable by frames addressed to the Layer 2 broadcast address.
C. Broadcast domains require a gateway device such as a router.
D. Broadcast domains consist of devices that reside on the same VLAN.
第9题：
How are VTP advertisements delivered to switches across the network?（）
- A、anycast frames
- B、multicast frames
- C、broadcast frames
- D、unicast frames
正确答案:B
第10题：
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
正确答案:B,C