640-802 CCNA Study Guide - Elktech.org

Cisco 640-802 Exam
QUESTION NO: 560
Which statement about vlan operation on cisco catalyst switches is true?
A. when a packet is received from an 802.1Q trunk, the vlan id can be determined from the source
MAC address table.
B. Unknown unicast frames are retransmitted only to the ports that belong to the same VLAN.
C. ports between switches should be configured in access mode so that vlans can span across the
ports
D. broadcast and multicast frames are retransmitted to ports that are configured on different vlan.
Answer: B
Explanation:
QUESTION NO: 561
Refer to the exhibit. Explain how the routes in the table are being affected by the status change on
interface Ethernet0.
A. The router is poisoning the routes and multicasting the new path costs via interface Ethernet1.
B. The router is receiving updates about unreachable networks from router that are connected to
interface Ethernet1.
C. The router is poisoning the routes and broadcasting the new path costs via interface Ethernet1.
D. The router is requesting updates for these networks from routers that are connected to interface
Etherne1.
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