640-802 CCNA Study Guide - Elktech.org

Cisco 640-802 Exam
Answer: C
Explanation:
A good example of the range of an infrared is a television remote control or a garage door opener.
Infrared networks are capable of high data rates, but they are limited in the distance between the
infrared points, and also by the fact that a line of sight between the nodes is usually required.
QUESTION NO: 377
Which of the following are associated with the application layer of the OSI model? (Choose two.)
A. Ping
B. Telnet
C. FTP
D. TCP
E. IP
Answer: B,C
Explanation:
QUESTION NO: 378
When are packets processed by an inbound access list?
A. Before they are routed to an outbound interface
B. After they are routed to an outbound interface
C. Before and after they are routed to an outbound interface
D. After they are routed to an outbound interface but before being placed in the outbound queue
Answer: A
Explanation:
For inbound ACL, before the router forwards groups to other interface, the router will compare
group and interface ACL. ACL statement will process in top-down order, until a match item is
found; the follow-up statement will no longer be handled. If no matching item is found in ACL,
groups will be discarded (implicit refusal).
When a packet is received on an interface with an inbound access list configured, the packets are
matched against the access list to determine if they should be permitted or denied. After this
check, the packets are processed by the routing function. The access list check is always done
first.
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